重构了目录结构

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dmy
2025-12-27 10:49:32 +08:00
parent e52b267a57
commit a522132ede
9 changed files with 4249 additions and 0 deletions

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@@ -13,6 +13,10 @@ import matplotlib.pyplot as plt
import numpy as np import numpy as np
import pandas as pd import pandas as pd
from datetime import datetime from datetime import datetime
import sys
import os
sys.path.append(os.path.join(os.path.dirname(__file__), 'src'))
from storage_optimization import optimize_storage_capacity, SystemParameters from storage_optimization import optimize_storage_capacity, SystemParameters
from excel_reader import read_excel_data, create_excel_template, analyze_excel_data from excel_reader import read_excel_data, create_excel_template, analyze_excel_data

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scripts/example_usage.py Normal file
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@@ -0,0 +1,533 @@
"""
多能互补系统储能容量优化计算程序使用示例
该文件展示了如何使用储能优化程序处理不同的实际场景。
作者: iFlow CLI
创建日期: 2025-12-25
"""
import sys
import os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'src'))
import numpy as np
import matplotlib.pyplot as plt
from storage_optimization import optimize_storage_capacity, SystemParameters
# 配置matplotlib支持中文显示
plt.rcParams['font.sans-serif'] = ['SimHei', 'Microsoft YaHei', 'DejaVu Sans']
plt.rcParams['axes.unicode_minus'] = False # 解决负号显示问题
def example_1_basic_scenario():
"""示例1: 基础场景"""
print("=== 示例1: 基础场景 ===")
# 基础数据 - 夏日典型日
solar_output = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.5, 2.0, 4.0, 6.0, 8.0, 9.0,
8.0, 6.0, 4.0, 2.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
wind_output = [4.0, 4.5, 5.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5,
1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 5.0, 4.5, 4.0]
thermal_output = [8.0] * 24 # 火电基荷
load_demand = [6.0, 5.5, 5.0, 5.0, 5.5, 7.0, 9.0, 12.0, 15.0, 18.0, 20.0, 19.0,
18.0, 17.0, 16.0, 15.0, 14.0, 13.0, 12.0, 10.0, 8.0, 7.0, 6.0, 6.0]
# 系统参数
params = SystemParameters(
max_curtailment_wind=0.1, # 最大弃风率10%
max_curtailment_solar=0.05, # 最大弃光率5%
max_grid_ratio=0.15, # 最大上网电量比例15%
storage_efficiency=0.9, # 储能效率90%
discharge_rate=1.0, # 1C放电
charge_rate=1.0 # 1C充电
)
# 计算最优储能容量
result = optimize_storage_capacity(solar_output, wind_output, thermal_output, load_demand, params)
# 打印结果
print(f"所需储能容量: {result['required_storage_capacity']:.2f} MWh")
print(f"实际弃风率: {result['total_curtailment_wind_ratio']:.3f} (约束: {params.max_curtailment_wind})")
print(f"实际弃光率: {result['total_curtailment_solar_ratio']:.3f} (约束: {params.max_curtailment_solar})")
print(f"实际上网电量比例: {result['total_grid_feed_in_ratio']:.3f} (约束: {params.max_grid_ratio})")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
return {
'result': result,
'solar_output': solar_output,
'wind_output': wind_output,
'thermal_output': thermal_output,
'load_demand': load_demand
}
def example_2_high_renewable_scenario():
"""示例2: 高可再生能源渗透场景"""
print("\n=== 示例2: 高可再生能源渗透场景 ===")
# 高可再生能源数据
solar_output = [0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 3.0, 6.0, 10.0, 14.0, 18.0, 20.0,
18.0, 14.0, 10.0, 6.0, 3.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
wind_output = [8.0, 9.0, 10.0, 11.0, 10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0,
3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 10.0, 9.0, 8.0]
thermal_output = [4.0] * 24 # 较低的火电基荷
load_demand = [8.0, 7.5, 7.0, 7.0, 7.5, 9.0, 11.0, 14.0, 17.0, 20.0, 22.0, 21.0,
20.0, 19.0, 18.0, 17.0, 16.0, 15.0, 14.0, 12.0, 10.0, 9.0, 8.0, 8.0]
# 系统参数 - 较高的弃风弃光容忍度
params = SystemParameters(
max_curtailment_wind=0.2, # 最大弃风率20%
max_curtailment_solar=0.15, # 最大弃光率15%
max_grid_ratio=0.25, # 最大上网电量比例25%
storage_efficiency=0.85, # 较低的储能效率
discharge_rate=1.0,
charge_rate=1.0
)
result = optimize_storage_capacity(solar_output, wind_output, thermal_output, load_demand, params)
print(f"所需储能容量: {result['required_storage_capacity']:.2f} MWh")
print(f"实际弃风率: {result['total_curtailment_wind_ratio']:.3f}")
print(f"实际弃光率: {result['total_curtailment_solar_ratio']:.3f}")
print(f"实际上网电量比例: {result['total_grid_feed_in_ratio']:.3f}")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
return {
'result': result,
'solar_output': solar_output,
'wind_output': wind_output,
'thermal_output': thermal_output,
'load_demand': load_demand
}
def example_3_winter_scenario():
"""示例3: 冬季场景"""
print("\n=== 示例3: 冬季场景 ===")
# 冬季数据 - 光照弱,风电强,负荷高
solar_output = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.2, 0.8, 1.5, 2.0, 2.5, 2.8,
2.5, 2.0, 1.5, 0.8, 0.2, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
wind_output = [12.0, 13.0, 14.0, 15.0, 14.0, 13.0, 12.0, 11.0, 10.0, 9.0, 8.0, 7.0,
7.0, 8.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 14.0, 13.0, 12.0]
thermal_output = [12.0] * 24 # 高火电基荷
load_demand = [12.0, 11.5, 11.0, 11.0, 11.5, 13.0, 15.0, 18.0, 21.0, 24.0, 26.0, 25.0,
24.0, 23.0, 22.0, 21.0, 20.0, 19.0, 18.0, 16.0, 14.0, 13.0, 12.0, 12.0]
# 系统参数 - 严格的弃风弃光控制
params = SystemParameters(
max_curtailment_wind=0.05, # 严格的弃风控制
max_curtailment_solar=0.02, # 严格的弃光控制
max_grid_ratio=0.1, # 低上网电量比例
storage_efficiency=0.92, # 高储能效率
discharge_rate=1.0,
charge_rate=1.0
)
result = optimize_storage_capacity(solar_output, wind_output, thermal_output, load_demand, params)
print(f"所需储能容量: {result['required_storage_capacity']:.2f} MWh")
print(f"实际弃风率: {result['total_curtailment_wind_ratio']:.3f}")
print(f"实际弃光率: {result['total_curtailment_solar_ratio']:.3f}")
print(f"实际上网电量比例: {result['total_grid_feed_in_ratio']:.3f}")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
return {
'result': result,
'solar_output': solar_output,
'wind_output': wind_output,
'thermal_output': thermal_output,
'load_demand': load_demand
}
def plot_results(result, title, solar_output, wind_output, thermal_output, load_demand):
"""绘制结果图表"""
hours = list(range(24))
fig, ((ax1, ax2), (ax3, ax4), (ax5, ax6)) = plt.subplots(3, 2, figsize=(16, 12))
fig.suptitle(title, fontsize=16)
# 发电与负荷对比
ax1.plot(hours, load_demand, 'r-', linewidth=2, label='负荷需求')
ax1.plot(hours, thermal_output, 'b-', linewidth=2, label='火电出力')
ax1.plot(hours, wind_output, 'g-', linewidth=2, label='风电出力')
ax1.plot(hours, solar_output, 'orange', linewidth=2, label='光伏出力')
# 计算总发电量
total_generation = [thermal_output[i] + wind_output[i] + solar_output[i] for i in range(24)]
ax1.plot(hours, total_generation, 'k--', linewidth=1.5, alpha=0.7, label='总发电量')
ax1.set_title('发电与负荷曲线')
ax1.set_xlabel('时间 (小时)')
ax1.set_ylabel('功率 (MW)')
ax1.legend()
ax1.grid(True)
# 储能状态
ax2.plot(hours, result['storage_profile'], 'b-', linewidth=2)
ax2.set_title('储能状态 (MWh)')
ax2.set_xlabel('时间 (小时)')
ax2.set_ylabel('储能容量 (MWh)')
ax2.grid(True)
# 充放电功率
ax3.plot(hours, result['charge_profile'], 'g-', label='充电', linewidth=2)
ax3.plot(hours, [-p for p in result['discharge_profile']], 'r-', label='放电', linewidth=2)
ax3.set_title('储能充放电功率 (MW)')
ax3.set_xlabel('时间 (小时)')
ax3.set_ylabel('功率 (MW)')
ax3.legend()
ax3.grid(True)
# 弃风弃光
ax4.plot(hours, result['curtailed_wind'], 'c-', label='弃风', linewidth=2)
ax4.plot(hours, result['curtailed_solar'], 'm-', label='弃光', linewidth=2)
ax4.set_title('弃风弃光量 (MW)')
ax4.set_xlabel('时间 (小时)')
ax4.set_ylabel('功率 (MW)')
ax4.legend()
ax4.grid(True)
# 上网电量/购电量
ax5.plot(hours, result['grid_feed_in'], 'orange', linewidth=2)
ax5.axhline(y=0, color='black', linestyle='-', linewidth=0.5, alpha=0.5)
ax5.fill_between(hours, 0, result['grid_feed_in'],
where=[x >= 0 for x in result['grid_feed_in']],
alpha=0.3, color='green', label='上网')
ax5.fill_between(hours, 0, result['grid_feed_in'],
where=[x < 0 for x in result['grid_feed_in']],
alpha=0.3, color='red', label='购电')
# 动态设置标题
total_grid = sum(result['grid_feed_in'])
if total_grid < 0:
ax5.set_title(f'购电量 (总计: {abs(total_grid):.1f} MWh)')
else:
ax5.set_title(f'上网电量 (总计: {total_grid:.1f} MWh)')
ax5.set_xlabel('时间 (小时)')
ax5.set_ylabel('功率 (MW)')
ax5.legend()
ax5.grid(True)
# 能量平衡分析
total_gen = sum(thermal_output) + sum(wind_output) + sum(solar_output)
total_load = sum(load_demand)
total_curtailed = sum(result['curtailed_wind']) + sum(result['curtailed_solar'])
total_grid = sum(result['grid_feed_in'])
total_charge = sum(result['charge_profile'])
total_discharge = sum(result['discharge_profile'])
# 创建能量平衡柱状图
categories = ['总发电量', '总负荷', '弃风弃光', '上网电量', '储能充电', '储能放电']
values = [total_gen, total_load, total_curtailed, total_grid, total_charge, total_discharge]
colors = ['blue', 'red', 'orange', 'green', 'cyan', 'magenta']
bars = ax6.bar(categories, values, color=colors, alpha=0.7)
ax6.set_title('能量平衡分析')
ax6.set_ylabel('能量 (MWh)')
ax6.grid(True, axis='y', alpha=0.3)
# 在柱状图上添加数值标签
for bar, value in zip(bars, values):
height = bar.get_height()
ax6.text(bar.get_x() + bar.get_width()/2., height,
f'{value:.1f}', ha='center', va='bottom', fontsize=9)
plt.tight_layout()
plt.show()
def example_5_high_load_grid_purchase_scenario():
"""示例5: 高负荷购电场景"""
print("\n=== 示例5: 高负荷购电场景 ===")
# 高负荷场景数据 - 有充电和放电时段
solar_output = [0.0, 0.0, 0.0, 0.0, 0.0, 2.0, 4.0, 6.0, 8.0, 10.0, 9.0, 8.0,
7.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0]
wind_output = [5.0, 5.5, 6.0, 6.5, 6.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5,
2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 5.5, 5.0, 5.0]
thermal_output = [8.0] * 24 # 火电基荷
# 负荷曲线:夜间低负荷(充电时段),白天高负荷(放电和购电时段)
load_demand = [10.0, 9.0, 8.0, 7.0, 8.0, 12.0, 18.0, 25.0, 35.0, 42.0, 45.0, 43.0,
40.0, 38.0, 35.0, 30.0, 25.0, 20.0, 15.0, 12.0, 11.0, 10.0, 10.0, 10.0]
# 系统参数 - max_grid_ratio只限制上网电量比例不限制购电
params = SystemParameters(
max_curtailment_wind=0.05, # 严格的弃风控制
max_curtailment_solar=0.02, # 严格的弃光控制
max_grid_ratio=0.3, # 上网电量比例限制为30%,但不限制购电
storage_efficiency=0.9, # 储能效率90%
discharge_rate=2.0, # 2C放电满足高峰需求
charge_rate=1.0, # 1C充电
max_storage_capacity=8.0 # 限制储能容量为8MWh确保储能被充分利用
)
result = optimize_storage_capacity(solar_output, wind_output, thermal_output, load_demand, params, tolerance=0.1)
print(f"所需储能容量: {result['required_storage_capacity']:.2f} MWh")
print(f"储能容量上限: {result['max_storage_limit']:.2f} MWh")
print(f"是否达到容量上限: {'' if result['capacity_limit_reached'] else ''}")
print(f"实际弃风率: {result['total_curtailment_wind_ratio']:.3f} (约束: {params.max_curtailment_wind})")
print(f"实际弃光率: {result['total_curtailment_solar_ratio']:.3f} (约束: {params.max_curtailment_solar})")
print(f"实际上网电量比例: {result['total_grid_feed_in_ratio']:.3f} (负值表示购电,正值表示上网)")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
# 调试信息
total_gen = sum(solar_output) + sum(wind_output) + sum(thermal_output)
total_load = sum(load_demand)
total_charge = sum(result['charge_profile'])
total_discharge = sum(result['discharge_profile'])
print(f"\n=== 调试信息 ===")
print(f"总发电量: {total_gen:.2f} MWh")
print(f"总负荷: {total_load:.2f} MWh")
print(f"负荷-发电差: {total_load - total_gen:.2f} MWh")
print(f"总充电量: {total_charge:.2f} MWh")
print(f"总放电量: {total_discharge:.2f} MWh")
print(f"储能净变化: {total_discharge - total_charge:.2f} MWh")
# 计算购电量统计
total_grid_feed = sum(result['grid_feed_in'])
if total_grid_feed < 0:
print(f"总购电量: {abs(total_grid_feed):.2f} MWh")
# 显示前几个小时的详细情况
print(f"\n前6小时详细情况:")
print(f"小时 | 发电 | 负荷 | 储能充电 | 储能放电 | 购电")
print("-" * 55)
for i in range(6):
gen = solar_output[i] + wind_output[i] + thermal_output[i]
charge = result['charge_profile'][i]
discharge = result['discharge_profile'][i]
grid = result['grid_feed_in'][i]
print(f"{i:2d} | {gen:4.1f} | {load_demand[i]:4.1f} | {charge:7.2f} | {discharge:7.2f} | {grid:5.2f}")
# 计算最大缺电功率
max_deficit = 0
for hour in range(24):
total_gen = solar_output[hour] + wind_output[hour] + thermal_output[hour]
deficit = max(0, load_demand[hour] - total_gen - result['discharge_profile'][hour])
max_deficit = max(max_deficit, deficit)
if max_deficit > 0:
print(f"\n最大缺电功率: {max_deficit:.2f} MW")
return {
'result': result,
'solar_output': solar_output,
'wind_output': wind_output,
'thermal_output': thermal_output,
'load_demand': load_demand
}
def example_6_grid_ratio_limited_scenario():
"""示例6: 上网电量比例限制场景"""
print("\n=== 示例6: 上网电量比例限制场景 ===")
# 高可再生能源场景 - 有大量盈余电力
solar_output = [0.0, 0.0, 0.0, 0.0, 0.0, 2.0, 5.0, 8.0, 12.0, 16.0, 20.0, 18.0,
15.0, 12.0, 8.0, 5.0, 2.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
wind_output = [8.0, 9.0, 10.0, 11.0, 10.0, 9.0, 8.0, 7.0, 6.0, 5.0, 4.0, 3.0,
3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 10.0, 9.0, 8.0]
thermal_output = [6.0] * 24 # 中等火电出力
# 低负荷场景 - 有大量盈余电力
load_demand = [8.0, 7.0, 6.0, 6.0, 7.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 18.0,
16.0, 14.0, 12.0, 10.0, 9.0, 8.0, 7.0, 6.0, 6.0, 7.0, 8.0, 8.0]
# 系统参数 - 限制上网电量比例
params = SystemParameters(
max_curtailment_wind=0.15, # 允许一定弃风
max_curtailment_solar=0.1, # 允许一定弃光
max_grid_ratio=0.15, # 限制上网电量比例为15%
storage_efficiency=0.9, # 储能效率90%
discharge_rate=1.0, # 1C放电
charge_rate=1.0, # 1C充电
max_storage_capacity=100.0 # 足够大的储能容量
)
result = optimize_storage_capacity(solar_output, wind_output, thermal_output, load_demand, params)
print(f"所需储能容量: {result['required_storage_capacity']:.2f} MWh")
print(f"上网电量比例限制: {params.max_grid_ratio:.1%}")
print(f"实际上网电量比例: {result['total_grid_feed_in_ratio']:.3f}")
print(f"实际弃风率: {result['total_curtailment_wind_ratio']:.3f} (约束: {params.max_curtailment_wind})")
print(f"实际弃光率: {result['total_curtailment_solar_ratio']:.3f} (约束: {params.max_curtailment_solar})")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
# 检查是否达到上网电量比例限制
if result['total_grid_feed_in_ratio'] >= params.max_grid_ratio - 0.01:
print("注意:已达到上网电量比例限制")
return {
'result': result,
'solar_output': solar_output,
'wind_output': wind_output,
'thermal_output': thermal_output,
'load_demand': load_demand
}
def example_4_capacity_limited_scenario():
"""示例4: 储能容量限制场景"""
print("\n=== 示例4: 储能容量限制场景 ===")
# 使用基础场景的数据
solar_output = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.5, 2.0, 4.0, 6.0, 8.0, 9.0,
8.0, 6.0, 4.0, 2.0, 0.5, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0]
wind_output = [4.0, 4.5, 5.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5,
1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 5.0, 4.5, 4.0]
thermal_output = [8.0] * 24
load_demand = [6.0, 5.5, 5.0, 5.0, 5.5, 7.0, 9.0, 12.0, 15.0, 18.0, 20.0, 19.0,
18.0, 17.0, 16.0, 15.0, 14.0, 13.0, 12.0, 10.0, 8.0, 7.0, 6.0, 6.0]
# 系统参数 - 设置储能容量上限为10 MWh
params = SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.05,
max_grid_ratio=0.15,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
max_storage_capacity=10.0 # 限制储能容量上限为10 MWh
)
result = optimize_storage_capacity(solar_output, wind_output, thermal_output, load_demand, params)
print(f"所需储能容量: {result['required_storage_capacity']:.2f} MWh")
print(f"储能容量上限: {result['max_storage_limit']:.2f} MWh")
print(f"是否达到容量上限: {'' if result['capacity_limit_reached'] else ''}")
print(f"实际弃风率: {result['total_curtailment_wind_ratio']:.3f} (约束: {params.max_curtailment_wind})")
print(f"实际弃光率: {result['total_curtailment_solar_ratio']:.3f} (约束: {params.max_curtailment_solar})")
print(f"实际上网电量比例: {result['total_grid_feed_in_ratio']:.3f} (约束: {params.max_grid_ratio})")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
return {
'result': result,
'solar_output': solar_output,
'wind_output': wind_output,
'thermal_output': thermal_output,
'load_demand': load_demand
}
def compare_scenarios():
"""比较不同场景的结果"""
print("\n=== 场景比较 ===")
# 运行六个场景
data1 = example_1_basic_scenario()
data2 = example_2_high_renewable_scenario()
data3 = example_3_winter_scenario()
data4 = example_4_capacity_limited_scenario()
data5 = example_5_high_load_grid_purchase_scenario()
data6 = example_6_grid_ratio_limited_scenario()
# 比较结果
scenarios = ['基础场景', '高可再生能源场景', '冬季场景', '容量限制场景', '高负荷购电场景', '上网电量比例限制场景']
storage_capacities = [
data1['result']['required_storage_capacity'],
data2['result']['required_storage_capacity'],
data3['result']['required_storage_capacity'],
data4['result']['required_storage_capacity'],
data5['result']['required_storage_capacity'],
data6['result']['required_storage_capacity']
]
curtailment_wind = [
data1['result']['total_curtailment_wind_ratio'],
data2['result']['total_curtailment_wind_ratio'],
data3['result']['total_curtailment_wind_ratio'],
data4['result']['total_curtailment_wind_ratio'],
data5['result']['total_curtailment_wind_ratio'],
data6['result']['total_curtailment_wind_ratio']
]
curtailment_solar = [
data1['result']['total_curtailment_solar_ratio'],
data2['result']['total_curtailment_solar_ratio'],
data3['result']['total_curtailment_solar_ratio'],
data4['result']['total_curtailment_solar_ratio'],
data5['result']['total_curtailment_solar_ratio'],
data6['result']['total_curtailment_solar_ratio']
]
grid_feed_in = [
data1['result']['total_grid_feed_in_ratio'],
data2['result']['total_grid_feed_in_ratio'],
data3['result']['total_grid_feed_in_ratio'],
data4['result']['total_grid_feed_in_ratio'],
data5['result']['total_grid_feed_in_ratio'],
data6['result']['total_grid_feed_in_ratio']
]
capacity_limit = [
'',
'',
'',
f"{data4['result']['max_storage_limit']:.1f}MWh",
f"{data5['result']['max_storage_limit']:.1f}MWh",
f"{data6['result']['max_storage_limit']:.1f}MWh"
]
print("\n场景比较结果:")
print(f"{'场景':<15} {'储能容量(MWh)':<12} {'容量限制':<10} {'弃风率':<8} {'弃光率':<8} {'上网比例':<8}")
print("-" * 80)
for i, scenario in enumerate(scenarios):
grid_text = f"{grid_feed_in[i]:.3f}" if grid_feed_in[i] >= 0 else f"{abs(grid_feed_in[i]):.3f}"
limit_reached = "*" if (data4['result']['capacity_limit_reached'] and i == 3) or (data5['result']['capacity_limit_reached'] and i == 4) or (data6['result']['max_storage_limit'] and i == 5) else ""
print(f"{scenario:<15} {storage_capacities[i]:<12.2f} {capacity_limit[i]:<10} {curtailment_wind[i]:<8.3f} "
f"{curtailment_solar[i]:<8.3f} {grid_text:<8} {limit_reached}")
return data1, data2, data3, data4, data5, data6
if __name__ == "__main__":
print("多能互补系统储能容量优化计算程序示例")
print("=" * 50)
# 运行示例
data1, data2, data3, data4, data5, data6 = compare_scenarios()
# 绘制图表如果matplotlib可用
try:
plot_results(data1['result'], "基础场景储能运行情况",
data1['solar_output'], data1['wind_output'],
data1['thermal_output'], data1['load_demand'])
plot_results(data2['result'], "高可再生能源场景储能运行情况",
data2['solar_output'], data2['wind_output'],
data2['thermal_output'], data2['load_demand'])
plot_results(data3['result'], "冬季场景储能运行情况",
data3['solar_output'], data3['wind_output'],
data3['thermal_output'], data3['load_demand'])
plot_results(data4['result'], "容量限制场景储能运行情况",
data4['solar_output'], data4['wind_output'],
data4['thermal_output'], data4['load_demand'])
plot_results(data5['result'], "高负荷购电场景储能运行情况",
data5['solar_output'], data5['wind_output'],
data5['thermal_output'], data5['load_demand'])
plot_results(data6['result'], "上网电量比例限制场景储能运行情况",
data6['solar_output'], data6['wind_output'],
data6['thermal_output'], data6['load_demand'])
except ImportError:
print("\n注意: matplotlib未安装无法绘制图表")
print("要安装matplotlib请运行: pip install matplotlib")
print("\n示例运行完成!")

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"""
光伏优化模块场景示例
该文件展示了光伏优化模块在不同场景下的应用,包括:
1. 典型日场景 - 基础优化示例
2. 高负荷场景 - 夏季高峰用电场景
3. 低负荷场景 - 春秋季低负荷场景
4. 风光互补场景 - 风电和光伏协同优化
5. 储能受限场景 - 储能容量受限情况下的优化
作者: iFlow CLI
创建日期: 2025-12-26
"""
import sys
import os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'src'))
import numpy as np
import matplotlib.pyplot as plt
from typing import List, Dict
from solar_optimization import optimize_solar_output, plot_optimization_results, export_optimization_results
from storage_optimization import SystemParameters
def scenario_1_typical_day():
"""
场景1典型日场景
- 标准24小时负荷曲线
- 适中风光出力
- 常规系统参数
"""
print("=" * 60)
print("场景1典型日场景 - 基础优化示例")
print("=" * 60)
# 典型日光伏出力(中午高峰)
solar_output = [0.0] * 6 + [0.5, 1.0, 2.0, 3.5, 5.0, 6.0, 5.5, 4.0, 2.5, 1.0, 0.5, 0.0] + [0.0] * 6
# 典型日风电出力(夜间和早晨较高)
wind_output = [4.0, 5.0, 4.5, 3.5, 2.5, 2.0, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 2.0, 3.0, 4.0, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5, 1.0]
# 火电基础出力
thermal_output = [8.0] * 24
# 典型日负荷曲线(早晚高峰)
load_demand = [2.0, 2.5, 3.0, 4.0, 6.0, 9.0, 12.0, 15.0, 18.0, 20.0, 19.0, 18.0,
17.0, 16.0, 18.0, 19.0, 20.0, 18.0, 15.0, 12.0, 8.0, 5.0, 3.0, 2.0]
# 标准系统参数
params = SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.1,
max_grid_ratio=0.15,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
rated_thermal_capacity=100.0,
rated_solar_capacity=50.0,
rated_wind_capacity=50.0,
available_thermal_energy=2000.0,
available_solar_energy=400.0,
available_wind_energy=600.0
)
# 执行优化
result = optimize_solar_output(
solar_output, wind_output, thermal_output, load_demand, params
)
# 输出结果
print_scenario_result("典型日场景", result)
# 绘制结果
plot_optimization_results(result, show_window=False)
# 导出结果
filename = export_optimization_results(result, "scenario_1_typical_day.xlsx")
return result
def scenario_2_high_load():
"""
场景2高负荷场景
- 夏季高温,空调负荷高
- 白天负荷特别高
- 光伏出力与负荷匹配度较低
"""
print("=" * 60)
print("场景2高负荷场景 - 夏季高峰用电")
print("=" * 60)
# 夏季光伏出力(较强)
solar_output = [0.0] * 5 + [0.8, 1.5, 3.0, 4.5, 6.0, 7.5, 8.0, 7.0, 5.0, 3.0, 1.5, 0.5, 0.0, 0.0] + [0.0] * 5
# 夏季风电出力(相对较低)
wind_output = [2.0, 2.5, 3.0, 2.5, 2.0, 1.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.5, 2.0, 2.5, 3.0, 2.5, 2.0, 1.8, 1.6, 1.4, 1.2, 1.0, 0.8]
# 火电高峰出力
thermal_output = [12.0] * 24
# 夏季高负荷曲线(空调导致白天负荷极高)
load_demand = [3.0, 3.5, 4.0, 5.0, 8.0, 12.0, 18.0, 25.0, 30.0, 32.0, 31.0, 30.0,
29.0, 28.0, 30.0, 31.0, 32.0, 28.0, 22.0, 18.0, 12.0, 8.0, 5.0, 3.0]
# 高负荷场景参数(更宽松的弃风弃光限制)
params = SystemParameters(
max_curtailment_wind=0.15,
max_curtailment_solar=0.15,
max_grid_ratio=0.25,
storage_efficiency=0.85,
discharge_rate=1.2,
charge_rate=1.2,
rated_thermal_capacity=150.0,
rated_solar_capacity=80.0,
rated_wind_capacity=40.0,
available_thermal_energy=3000.0,
available_solar_energy=600.0,
available_wind_energy=400.0
)
# 执行优化
result = optimize_solar_output(
solar_output, wind_output, thermal_output, load_demand, params
)
# 输出结果
print_scenario_result("高负荷场景", result)
# 绘制结果
plot_optimization_results(result, show_window=False)
# 导出结果
filename = export_optimization_results(result, "scenario_2_high_load.xlsx")
return result
def scenario_3_low_load():
"""
场景3低负荷场景
- 春秋季,负荷较低
- 光伏出力相对较高
- 容易出现电力盈余
"""
print("=" * 60)
print("场景3低负荷场景 - 春秋季低负荷")
print("=" * 60)
# 春秋季光伏出力(适中)
solar_output = [0.0] * 6 + [1.0, 2.0, 3.5, 5.0, 6.5, 7.0, 6.5, 5.0, 3.5, 2.0, 1.0, 0.0] + [0.0] * 6
# 春秋季风电出力(较好)
wind_output = [5.0, 6.0, 5.5, 4.5, 3.5, 3.0, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 3.0, 4.0, 5.0, 6.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0]
# 火电基础出力(较低)
thermal_output = [5.0] * 24
# 春秋季低负荷曲线
load_demand = [2.0, 2.2, 2.5, 3.0, 4.0, 6.0, 8.0, 10.0, 12.0, 13.0, 12.5, 12.0,
11.5, 11.0, 12.0, 12.5, 13.0, 11.0, 9.0, 7.0, 5.0, 3.5, 2.5, 2.0]
# 低负荷场景参数(更严格的弃风弃光限制)
params = SystemParameters(
max_curtailment_wind=0.05,
max_curtailment_solar=0.05,
max_grid_ratio=0.1,
storage_efficiency=0.92,
discharge_rate=0.8,
charge_rate=0.8,
rated_thermal_capacity=80.0,
rated_solar_capacity=60.0,
rated_wind_capacity=60.0,
available_thermal_energy=1500.0,
available_solar_energy=500.0,
available_wind_energy=700.0
)
# 执行优化
result = optimize_solar_output(
solar_output, wind_output, thermal_output, load_demand, params
)
# 输出结果
print_scenario_result("低负荷场景", result)
# 绘制结果
plot_optimization_results(result, show_window=False)
# 导出结果
filename = export_optimization_results(result, "scenario_3_low_load.xlsx")
return result
def scenario_4_wind_solar_complement():
"""
场景4风光互补场景
- 风电和光伏出力时间互补性强
- 夜间风电高,白天光伏高
- 系统整体平衡性较好
"""
print("=" * 60)
print("场景4风光互补场景 - 风电和光伏协同优化")
print("=" * 60)
# 光伏出力(标准日间模式)
solar_output = [0.0] * 6 + [0.5, 1.5, 3.0, 4.5, 6.0, 7.0, 6.0, 4.5, 3.0, 1.5, 0.5, 0.0] + [0.0] * 6
# 风电出力(与光伏互补,夜间和早晚较高)
wind_output = [8.0, 9.0, 8.5, 7.0, 5.0, 3.0, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 3.0, 5.0, 7.0, 8.0, 8.5, 8.0, 7.5, 7.0, 6.5, 6.0, 5.5, 5.0]
# 火电出力(作为补充)
thermal_output = [6.0] * 24
# 负荷曲线(相对平稳)
load_demand = [4.0, 4.5, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 17.0, 16.5, 16.0,
15.5, 15.0, 16.0, 16.5, 17.0, 15.0, 13.0, 11.0, 9.0, 7.0, 5.0, 4.0]
# 风光互补场景参数
params = SystemParameters(
max_curtailment_wind=0.08,
max_curtailment_solar=0.08,
max_grid_ratio=0.12,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
rated_thermal_capacity=100.0,
rated_solar_capacity=70.0,
rated_wind_capacity=70.0,
available_thermal_energy=1800.0,
available_solar_energy=450.0,
available_wind_energy=800.0
)
# 执行优化
result = optimize_solar_output(
solar_output, wind_output, thermal_output, load_demand, params
)
# 输出结果
print_scenario_result("风光互补场景", result)
# 绘制结果
plot_optimization_results(result, show_window=False)
# 导出结果
filename = export_optimization_results(result, "scenario_4_wind_solar_complement.xlsx")
return result
def scenario_5_storage_limited():
"""
场景5储能受限场景
- 储能容量受限
- 需要更精确的光伏出力调节
- 对电网交换更敏感
"""
print("=" * 60)
print("场景5储能受限场景 - 储能容量受限情况下的优化")
print("=" * 60)
# 标准光伏出力
solar_output = [0.0] * 6 + [1.0, 2.0, 3.0, 4.5, 6.0, 7.0, 6.0, 4.5, 3.0, 2.0, 1.0, 0.0] + [0.0] * 6
# 标准风电出力
wind_output = [3.0, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 2.0, 3.0, 3.5, 4.0, 3.5, 3.0, 2.8, 2.6, 2.4, 2.2, 2.0, 1.8]
# 火电出力
thermal_output = [7.0] * 24
# 标准负荷曲线
load_demand = [3.0, 3.5, 4.0, 5.0, 7.0, 10.0, 13.0, 16.0, 18.0, 19.0, 18.5, 18.0,
17.5, 17.0, 18.0, 18.5, 19.0, 17.0, 14.0, 11.0, 8.0, 6.0, 4.0, 3.0]
# 储能受限场景参数储能容量限制为50MWh
params = SystemParameters(
max_curtailment_wind=0.12,
max_curtailment_solar=0.12,
max_grid_ratio=0.2,
storage_efficiency=0.88,
discharge_rate=1.5,
charge_rate=1.5,
max_storage_capacity=50.0, # 储能容量受限
rated_thermal_capacity=100.0,
rated_solar_capacity=60.0,
rated_wind_capacity=50.0,
available_thermal_energy=2000.0,
available_solar_energy=480.0,
available_wind_energy=550.0
)
# 执行优化
result = optimize_solar_output(
solar_output, wind_output, thermal_output, load_demand, params
)
# 输出结果
print_scenario_result("储能受限场景", result)
# 绘制结果
plot_optimization_results(result, show_window=False)
# 导出结果
filename = export_optimization_results(result, "scenario_5_storage_limited.xlsx")
return result
def print_scenario_result(scenario_name: str, result):
"""
打印场景优化结果
Args:
scenario_name: 场景名称
result: 优化结果
"""
print(f"\n=== {scenario_name}优化结果 ===")
print(f"最优光伏系数: {result.optimal_solar_coefficient:.3f}")
print(f"最小电网交换电量: {result.min_grid_exchange:.2f} MWh")
print(f" - 购电量: {result.grid_purchase:.2f} MWh")
print(f" - 上网电量: {result.grid_feed_in:.2f} MWh")
print(f"所需储能容量: {result.storage_result['required_storage_capacity']:.2f} MWh")
print(f"优化后弃风率: {result.storage_result['total_curtailment_wind_ratio']:.3f}")
print(f"优化后弃光率: {result.storage_result['total_curtailment_solar_ratio']:.3f}")
print(f"优化后上网电量比例: {result.storage_result['total_grid_feed_in_ratio']:.3f}")
# 分析优化效果
if result.optimal_solar_coefficient > 1.0:
print(f"分析:建议将光伏出力提高 {(result.optimal_solar_coefficient - 1.0) * 100:.1f}% 以减少电网依赖")
elif result.optimal_solar_coefficient < 1.0:
print(f"分析:建议将光伏出力降低 {(1.0 - result.optimal_solar_coefficient) * 100:.1f}% 以避免电力过剩")
else:
print("分析:当前光伏出力已经是最优配置")
def compare_scenarios(results: List[Dict]):
"""
对比不同场景的优化结果
Args:
results: 各场景优化结果列表
"""
print("\n" + "=" * 80)
print("场景对比分析")
print("=" * 80)
scenario_names = [
"典型日场景",
"高负荷场景",
"低负荷场景",
"风光互补场景",
"储能受限场景"
]
# 创建对比表格
print(f"{'场景名称':<12} {'最优系数':<8} {'电网交换(MWh)':<12} {'购电量(MWh)':<10} {'上网电量(MWh)':<12} {'储能容量(MWh)':<12}")
print("-" * 80)
for i, (name, result) in enumerate(zip(scenario_names, results)):
print(f"{name:<12} {result.optimal_solar_coefficient:<8.3f} "
f"{result.min_grid_exchange:<12.2f} {result.grid_purchase:<10.2f} "
f"{result.grid_feed_in:<12.2f} {result.storage_result['required_storage_capacity']:<12.2f}")
# 分析趋势
print("\n=== 趋势分析 ===")
# 找出最优和最差场景
min_exchange_result = min(results, key=lambda x: x.min_grid_exchange)
max_exchange_result = max(results, key=lambda x: x.min_grid_exchange)
min_exchange_idx = results.index(min_exchange_result)
max_exchange_idx = results.index(max_exchange_result)
print(f"电网交换最小场景:{scenario_names[min_exchange_idx]} ({min_exchange_result.min_grid_exchange:.2f} MWh)")
print(f"电网交换最大场景:{scenario_names[max_exchange_idx]} ({max_exchange_result.min_grid_exchange:.2f} MWh)")
# 分析光伏系数趋势
avg_coefficient = sum(r.optimal_solar_coefficient for r in results) / len(results)
print(f"平均最优光伏系数:{avg_coefficient:.3f}")
high_coefficient_scenarios = [name for name, result in zip(scenario_names, results)
if result.optimal_solar_coefficient > avg_coefficient]
low_coefficient_scenarios = [name for name, result in zip(scenario_names, results)
if result.optimal_solar_coefficient < avg_coefficient]
if high_coefficient_scenarios:
print(f"需要提高光伏出力的场景:{', '.join(high_coefficient_scenarios)}")
if low_coefficient_scenarios:
print(f"需要降低光伏出力的场景:{', '.join(low_coefficient_scenarios)}")
def plot_scenario_comparison(results: List[Dict]):
"""
绘制场景对比图表
Args:
results: 各场景优化结果列表
"""
scenario_names = [
"典型日",
"高负荷",
"低负荷",
"风光互补",
"储能受限"
]
# 设置中文字体
plt.rcParams['font.sans-serif'] = ['SimHei', 'Microsoft YaHei', 'DejaVu Sans']
plt.rcParams['axes.unicode_minus'] = False
# 创建图形
fig, ((ax1, ax2), (ax3, ax4)) = plt.subplots(2, 2, figsize=(16, 12))
fig.suptitle('光伏优化场景对比分析', fontsize=16, fontweight='bold')
# 1. 最优光伏系数对比
coefficients = [r.optimal_solar_coefficient for r in results]
bars1 = ax1.bar(scenario_names, coefficients, color='skyblue', alpha=0.7)
ax1.set_ylabel('最优光伏系数')
ax1.set_title('各场景最优光伏系数对比')
ax1.grid(True, alpha=0.3, axis='y')
ax1.axhline(y=1.0, color='red', linestyle='--', alpha=0.7, label='原始系数')
# 添加数值标签
for bar, coeff in zip(bars1, coefficients):
height = bar.get_height()
ax1.text(bar.get_x() + bar.get_width()/2., height + 0.01,
f'{coeff:.3f}', ha='center', va='bottom', fontweight='bold')
# 2. 电网交换电量对比
exchanges = [r.min_grid_exchange for r in results]
purchases = [r.grid_purchase for r in results]
feed_ins = [r.grid_feed_in for r in results]
x = np.arange(len(scenario_names))
width = 0.25
bars2 = ax2.bar(x - width, purchases, width, label='购电量', color='purple', alpha=0.7)
bars3 = ax2.bar(x, feed_ins, width, label='上网电量', color='brown', alpha=0.7)
bars4 = ax2.bar(x + width, exchanges, width, label='总交换电量', color='orange', alpha=0.7)
ax2.set_ylabel('电量 (MWh)')
ax2.set_title('电网交换电量对比')
ax2.set_xticks(x)
ax2.set_xticklabels(scenario_names)
ax2.legend()
ax2.grid(True, alpha=0.3, axis='y')
# 3. 储能容量需求对比
storage_capacities = [r.storage_result['required_storage_capacity'] for r in results]
bars5 = ax3.bar(scenario_names, storage_capacities, color='green', alpha=0.7)
ax3.set_ylabel('储能容量 (MWh)')
ax3.set_title('各场景储能容量需求对比')
ax3.grid(True, alpha=0.3, axis='y')
# 添加数值标签
for bar, capacity in zip(bars5, storage_capacities):
height = bar.get_height()
ax3.text(bar.get_x() + bar.get_width()/2., height + height*0.01,
f'{capacity:.1f}', ha='center', va='bottom', fontweight='bold')
# 4. 弃风弃光率对比
curtailment_winds = [r.storage_result['total_curtailment_wind_ratio'] for r in results]
curtailment_solars = [r.storage_result['total_curtailment_solar_ratio'] for r in results]
bars6 = ax4.bar(x - width/2, curtailment_winds, width, label='弃风率', color='blue', alpha=0.7)
bars7 = ax4.bar(x + width/2, curtailment_solars, width, label='弃光率', color='orange', alpha=0.7)
ax4.set_ylabel('弃风弃光率')
ax4.set_title('各场景弃风弃光率对比')
ax4.set_xticks(x)
ax4.set_xticklabels(scenario_names)
ax4.legend()
ax4.grid(True, alpha=0.3, axis='y')
# 调整布局
plt.tight_layout()
# 保存图片
plt.savefig('solar_optimization_scenario_comparison.png', dpi=300, bbox_inches='tight')
plt.close()
print("场景对比图表已保存为 'solar_optimization_scenario_comparison.png'")
def main():
"""主函数,运行所有场景示例"""
print("光伏优化模块场景示例")
print("运行5个不同场景的优化分析...")
# 运行所有场景
results = []
try:
# 场景1典型日场景
result1 = scenario_1_typical_day()
results.append(result1)
# 场景2高负荷场景
result2 = scenario_2_high_load()
results.append(result2)
# 场景3低负荷场景
result3 = scenario_3_low_load()
results.append(result3)
# 场景4风光互补场景
result4 = scenario_4_wind_solar_complement()
results.append(result4)
# 场景5储能受限场景
result5 = scenario_5_storage_limited()
results.append(result5)
# 对比分析
compare_scenarios(results)
# 绘制对比图表
plot_scenario_comparison(results)
print("\n" + "=" * 80)
print("所有场景示例运行完成!")
print("=" * 80)
print("生成的文件:")
print("- scenario_1_typical_day.xlsx")
print("- scenario_2_high_load.xlsx")
print("- scenario_3_low_load.xlsx")
print("- scenario_4_wind_solar_complement.xlsx")
print("- scenario_5_storage_limited.xlsx")
print("- solar_optimization_scenario_comparison.png")
except Exception as e:
print(f"运行场景示例时出错:{str(e)}")
import traceback
traceback.print_exc()
if __name__ == "__main__":
main()

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"""
光伏优化模块场景演示
该文件展示了光伏优化模块在不同场景下的应用,包括:
1. 典型日场景 - 基础优化示例
2. 高负荷场景 - 夏季高峰用电场景
3. 低负荷场景 - 春秋季低负荷场景
4. 风光互补场景 - 风电和光伏协同优化
5. 储能受限场景 - 储能容量受限情况下的优化
作者: iFlow CLI
创建日期: 2025-12-26
"""
import sys
import os
sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'src'))
import numpy as np
import matplotlib.pyplot as plt
from solar_optimization import optimize_solar_output, export_optimization_results
from storage_optimization import SystemParameters
def scenario_1_typical_day():
"""场景1典型日场景"""
print("=" * 60)
print("场景1典型日场景 - 基础优化示例")
print("=" * 60)
# 典型日数据24小时
solar_output = [0.0] * 6 + [0.5, 1.0, 2.0, 3.5, 5.0, 6.0, 5.5, 4.0, 2.5, 1.0, 0.5, 0.0] + [0.0] * 6
wind_output = [4.0, 5.0, 4.5, 3.5, 2.5, 2.0, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 2.0, 3.0, 4.0, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5, 1.0]
thermal_output = [8.0] * 24
load_demand = [2.0, 2.5, 3.0, 4.0, 6.0, 9.0, 12.0, 15.0, 18.0, 20.0, 19.0, 18.0,
17.0, 16.0, 18.0, 19.0, 20.0, 18.0, 15.0, 12.0, 8.0, 5.0, 3.0, 2.0]
# 系统参数
params = SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.1,
max_grid_ratio=0.15,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
rated_thermal_capacity=100.0,
rated_solar_capacity=50.0,
rated_wind_capacity=50.0,
available_thermal_energy=2000.0,
available_solar_energy=400.0,
available_wind_energy=600.0
)
# 执行优化
result = optimize_solar_output(solar_output, wind_output, thermal_output, load_demand, params)
# 输出结果
print_scenario_result("典型日场景", result)
# 绘制光伏对比图
plot_solar_comparison(result, "典型日场景")
# 导出结果
export_optimization_results(result, "scenario_1_typical_day.xlsx")
return result
def scenario_2_high_load():
"""场景2高负荷场景"""
print("=" * 60)
print("场景2高负荷场景 - 夏季高峰用电")
print("=" * 60)
# 夏季高负荷数据
solar_output = [0.0] * 5 + [0.8, 1.5, 3.0, 4.5, 6.0, 7.5, 8.0, 7.0, 5.0, 3.0, 1.5, 0.5, 0.0, 0.0] + [0.0] * 5
wind_output = [2.0, 2.5, 3.0, 2.5, 2.0, 1.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.5, 2.0, 2.5, 3.0, 2.5, 2.0, 1.8, 1.6, 1.4, 1.2, 1.0, 0.8]
thermal_output = [12.0] * 24
load_demand = [3.0, 3.5, 4.0, 5.0, 8.0, 12.0, 18.0, 25.0, 30.0, 32.0, 31.0, 30.0,
29.0, 28.0, 30.0, 31.0, 32.0, 28.0, 22.0, 18.0, 12.0, 8.0, 5.0, 3.0]
# 高负荷场景参数
params = SystemParameters(
max_curtailment_wind=0.15,
max_curtailment_solar=0.15,
max_grid_ratio=0.25,
storage_efficiency=0.85,
discharge_rate=1.2,
charge_rate=1.2,
rated_thermal_capacity=150.0,
rated_solar_capacity=80.0,
rated_wind_capacity=40.0,
available_thermal_energy=3000.0,
available_solar_energy=600.0,
available_wind_energy=400.0
)
# 执行优化
result = optimize_solar_output(solar_output, wind_output, thermal_output, load_demand, params)
# 输出结果
print_scenario_result("高负荷场景", result)
# 绘制光伏对比图
plot_solar_comparison(result, "高负荷场景")
# 导出结果
export_optimization_results(result, "scenario_2_high_load.xlsx")
return result
def scenario_3_low_load():
"""场景3低负荷场景"""
print("=" * 60)
print("场景3低负荷场景 - 春秋季低负荷")
print("=" * 60)
# 春秋季低负荷数据
solar_output = [0.0] * 6 + [1.0, 2.0, 3.5, 5.0, 6.5, 7.0, 6.5, 5.0, 3.5, 2.0, 1.0, 0.0] + [0.0] * 6
wind_output = [5.0, 6.0, 5.5, 4.5, 3.5, 3.0, 2.5, 2.5, 2.5, 2.5, 2.5, 2.5, 3.0, 4.0, 5.0, 6.0, 5.5, 5.0, 4.5, 4.0, 3.5, 3.0, 2.5, 2.0]
thermal_output = [5.0] * 24
load_demand = [2.0, 2.2, 2.5, 3.0, 4.0, 6.0, 8.0, 10.0, 12.0, 13.0, 12.5, 12.0,
11.5, 11.0, 12.0, 12.5, 13.0, 11.0, 9.0, 7.0, 5.0, 3.5, 2.5, 2.0]
# 低负荷场景参数
params = SystemParameters(
max_curtailment_wind=0.05,
max_curtailment_solar=0.05,
max_grid_ratio=0.1,
storage_efficiency=0.92,
discharge_rate=0.8,
charge_rate=0.8,
rated_thermal_capacity=80.0,
rated_solar_capacity=60.0,
rated_wind_capacity=60.0,
available_thermal_energy=1500.0,
available_solar_energy=500.0,
available_wind_energy=700.0
)
# 执行优化
result = optimize_solar_output(solar_output, wind_output, thermal_output, load_demand, params)
# 输出结果
print_scenario_result("低负荷场景", result)
# 绘制光伏对比图
plot_solar_comparison(result, "低负荷场景")
# 导出结果
export_optimization_results(result, "scenario_3_low_load.xlsx")
return result
def scenario_4_wind_solar_complement():
"""场景4风光互补场景"""
print("=" * 60)
print("场景4风光互补场景 - 风电和光伏协同优化")
print("=" * 60)
# 风光互补数据
solar_output = [0.0] * 6 + [0.5, 1.5, 3.0, 4.5, 6.0, 7.0, 6.0, 4.5, 3.0, 1.5, 0.5, 0.0] + [0.0] * 6
wind_output = [8.0, 9.0, 8.5, 7.0, 5.0, 3.0, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 3.0, 5.0, 7.0, 8.0, 8.5, 8.0, 7.5, 7.0, 6.5, 6.0, 5.5, 5.0]
thermal_output = [6.0] * 24
load_demand = [4.0, 4.5, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 17.0, 16.5, 16.0,
15.5, 15.0, 16.0, 16.5, 17.0, 15.0, 13.0, 11.0, 9.0, 7.0, 5.0, 4.0]
# 风光互补场景参数
params = SystemParameters(
max_curtailment_wind=0.08,
max_curtailment_solar=0.08,
max_grid_ratio=0.12,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
rated_thermal_capacity=100.0,
rated_solar_capacity=70.0,
rated_wind_capacity=70.0,
available_thermal_energy=1800.0,
available_solar_energy=450.0,
available_wind_energy=800.0
)
# 执行优化
result = optimize_solar_output(solar_output, wind_output, thermal_output, load_demand, params)
# 输出结果
print_scenario_result("风光互补场景", result)
# 绘制光伏对比图
plot_solar_comparison(result, "风光互补场景")
# 导出结果
export_optimization_results(result, "scenario_4_wind_solar_complement.xlsx")
return result
def scenario_5_storage_limited():
"""场景5储能受限场景"""
print("=" * 60)
print("场景5储能受限场景 - 储能容量受限情况下的优化")
print("=" * 60)
# 储能受限数据
solar_output = [0.0] * 6 + [1.0, 2.0, 3.0, 4.5, 6.0, 7.0, 6.0, 4.5, 3.0, 2.0, 1.0, 0.0] + [0.0] * 6
wind_output = [3.0, 4.0, 3.5, 3.0, 2.5, 2.0, 1.5, 1.5, 1.5, 1.5, 1.5, 1.5, 2.0, 3.0, 3.5, 4.0, 3.5, 3.0, 2.8, 2.6, 2.4, 2.2, 2.0, 1.8]
thermal_output = [7.0] * 24
load_demand = [3.0, 3.5, 4.0, 5.0, 7.0, 10.0, 13.0, 16.0, 18.0, 19.0, 18.5, 18.0,
17.5, 17.0, 18.0, 18.5, 19.0, 17.0, 14.0, 11.0, 8.0, 6.0, 4.0, 3.0]
# 储能受限场景参数
params = SystemParameters(
max_curtailment_wind=0.12,
max_curtailment_solar=0.12,
max_grid_ratio=0.2,
storage_efficiency=0.88,
discharge_rate=1.5,
charge_rate=1.5,
max_storage_capacity=50.0, # 储能容量受限
rated_thermal_capacity=100.0,
rated_solar_capacity=60.0,
rated_wind_capacity=50.0,
available_thermal_energy=2000.0,
available_solar_energy=480.0,
available_wind_energy=550.0
)
# 执行优化
result = optimize_solar_output(solar_output, wind_output, thermal_output, load_demand, params)
# 输出结果
print_scenario_result("储能受限场景", result)
# 绘制光伏对比图
plot_solar_comparison(result, "储能受限场景")
# 导出结果
export_optimization_results(result, "scenario_5_storage_limited.xlsx")
return result
def print_scenario_result(scenario_name: str, result):
"""打印场景优化结果"""
print(f"\n=== {scenario_name}优化结果 ===")
print(f"最优光伏系数: {result.optimal_solar_coefficient:.3f}")
print(f"最小电网交换电量: {result.min_grid_exchange:.2f} MWh")
print(f" - 购电量: {result.grid_purchase:.2f} MWh")
print(f" - 上网电量: {result.grid_feed_in:.2f} MWh")
print(f"所需储能容量: {result.storage_result['required_storage_capacity']:.2f} MWh")
print(f"优化后弃风率: {result.storage_result['total_curtailment_wind_ratio']:.3f}")
print(f"优化后弃光率: {result.storage_result['total_curtailment_solar_ratio']:.3f}")
print(f"优化后上网电量比例: {result.storage_result['total_grid_feed_in_ratio']:.3f}")
# 分析优化效果
if result.optimal_solar_coefficient > 1.0:
print(f"分析:建议将光伏出力提高 {(result.optimal_solar_coefficient - 1.0) * 100:.1f}% 以减少电网依赖")
elif result.optimal_solar_coefficient < 1.0:
print(f"分析:建议将光伏出力降低 {(1.0 - result.optimal_solar_coefficient) * 100:.1f}% 以避免电力过剩")
else:
print("分析:当前光伏出力已经是最优配置")
def plot_solar_comparison(result, scenario_name, show_window=True):
"""
绘制光伏出力对比图
Args:
result: 光伏优化结果
scenario_name: 场景名称
show_window: 是否显示图形窗口
"""
# 设置中文字体
plt.rcParams['font.sans-serif'] = ['SimHei', 'Microsoft YaHei', 'DejaVu Sans']
plt.rcParams['axes.unicode_minus'] = False
hours = list(range(len(result.original_solar_output)))
# 创建图形
fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(12, 8))
fig.suptitle(f'{scenario_name} - 光伏优化结果 (系数: {result.optimal_solar_coefficient:.3f})',
fontsize=14, fontweight='bold')
# === 第一个子图:光伏出力对比 ===
ax1.plot(hours, result.original_solar_output, 'b-', linewidth=2,
label='原始光伏出力', alpha=0.7)
ax1.plot(hours, result.optimized_solar_output, 'r-', linewidth=2,
label=f'优化后光伏出力')
ax1.set_xlabel('时间 (小时)')
ax1.set_ylabel('功率 (MW)')
ax1.set_title('光伏出力曲线对比')
ax1.legend(loc='upper right')
ax1.grid(True, alpha=0.3)
ax1.set_xlim(0, max(hours))
# === 第二个子图:电网交换电量组成 ===
categories = ['购电量', '上网电量']
values = [result.grid_purchase, result.grid_feed_in]
colors = ['purple', 'brown']
bars = ax2.bar(categories, values, color=colors, alpha=0.7)
ax2.set_ylabel('电量 (MWh)')
ax2.set_title(f'电网交换电量组成 (总计: {result.min_grid_exchange:.2f} MWh)')
ax2.grid(True, alpha=0.3, axis='y')
# 在柱状图上添加数值标签
for bar, value in zip(bars, values):
height = bar.get_height()
ax2.text(bar.get_x() + bar.get_width()/2., height + height*0.01,
f'{value:.2f}', ha='center', va='bottom', fontweight='bold')
# 调整布局
plt.tight_layout()
# 根据参数决定是否显示图形窗口
if show_window:
try:
plt.show()
except Exception as e:
print(f"无法显示图形窗口:{str(e)}")
else:
plt.close()
def compare_scenarios(results):
"""对比不同场景的优化结果"""
print("\n" + "=" * 80)
print("场景对比分析")
print("=" * 80)
scenario_names = [
"典型日场景",
"高负荷场景",
"低负荷场景",
"风光互补场景",
"储能受限场景"
]
# 创建对比表格
print(f"{'场景名称':<12} {'最优系数':<8} {'电网交换(MWh)':<12} {'购电量(MWh)':<10} {'上网电量(MWh)':<12} {'储能容量(MWh)':<12}")
print("-" * 80)
for i, (name, result) in enumerate(zip(scenario_names, results)):
print(f"{name:<12} {result.optimal_solar_coefficient:<8.3f} "
f"{result.min_grid_exchange:<12.2f} {result.grid_purchase:<10.2f} "
f"{result.grid_feed_in:<12.2f} {result.storage_result['required_storage_capacity']:<12.2f}")
# 分析趋势
print("\n=== 趋势分析 ===")
# 找出最优和最差场景
min_exchange_result = min(results, key=lambda x: x.min_grid_exchange)
max_exchange_result = max(results, key=lambda x: x.min_grid_exchange)
min_exchange_idx = results.index(min_exchange_result)
max_exchange_idx = results.index(max_exchange_result)
print(f"电网交换最小场景:{scenario_names[min_exchange_idx]} ({min_exchange_result.min_grid_exchange:.2f} MWh)")
print(f"电网交换最大场景:{scenario_names[max_exchange_idx]} ({max_exchange_result.min_grid_exchange:.2f} MWh)")
# 分析光伏系数趋势
avg_coefficient = sum(r.optimal_solar_coefficient for r in results) / len(results)
print(f"平均最优光伏系数:{avg_coefficient:.3f}")
def main():
"""主函数,运行所有场景示例"""
print("光伏优化模块场景演示")
print("运行5个不同场景的优化分析...")
# 运行所有场景
results = []
try:
# 场景1典型日场景
result1 = scenario_1_typical_day()
results.append(result1)
# 场景2高负荷场景
result2 = scenario_2_high_load()
results.append(result2)
# 场景3低负荷场景
result3 = scenario_3_low_load()
results.append(result3)
# 场景4风光互补场景
result4 = scenario_4_wind_solar_complement()
results.append(result4)
# 场景5储能受限场景
result5 = scenario_5_storage_limited()
results.append(result5)
# 对比分析
compare_scenarios(results)
print("\n" + "=" * 80)
print("所有场景演示完成!")
print("=" * 80)
print("生成的文件:")
print("- scenario_1_typical_day.xlsx")
print("- scenario_2_high_load.xlsx")
print("- scenario_3_low_load.xlsx")
print("- scenario_4_wind_solar_complement.xlsx")
print("- scenario_5_storage_limited.xlsx")
except Exception as e:
print(f"运行场景演示时出错:{str(e)}")
import traceback
traceback.print_exc()
if __name__ == "__main__":
main()

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"""
高级可视化程序 - 多能互补系统储能容量优化
该程序提供更丰富的可视化功能,包括多种图表类型和交互式选项。
作者: iFlow CLI
创建日期: 2025-12-25
"""
import matplotlib.pyplot as plt
import matplotlib.dates as mdates
import numpy as np
from datetime import datetime, timedelta
from storage_optimization import optimize_storage_capacity, SystemParameters
# 设置中文字体
plt.rcParams['font.sans-serif'] = ['SimHei', 'Microsoft YaHei', 'DejaVu Sans']
plt.rcParams['axes.unicode_minus'] = False
def create_comprehensive_plot(solar_output, wind_output, thermal_output, load_demand, result, params):
"""
创建综合可视化图表
Args:
solar_output: 24小时光伏出力曲线 (MW)
wind_output: 24小时风电出力曲线 (MW)
thermal_output: 24小时火电出力曲线 (MW)
load_demand: 24小时负荷曲线 (MW)
result: 优化结果字典
params: 系统参数
"""
hours = np.arange(24)
# 创建大型图形
fig = plt.figure(figsize=(16, 12))
fig.suptitle('多能互补系统储能容量优化分析', fontsize=18, fontweight='bold')
# 创建网格布局
gs = fig.add_gridspec(3, 3, hspace=0.3, wspace=0.3)
# === 主要图表:发电和负荷 ===
ax1 = fig.add_subplot(gs[0, :])
# 绘制各发电类型
ax1.fill_between(hours, 0, thermal_output, alpha=0.7, color='blue', label='火电')
ax1.fill_between(hours, thermal_output,
[thermal_output[i] + wind_output[i] for i in range(24)],
alpha=0.7, color='green', label='风电')
ax1.fill_between(hours, [thermal_output[i] + wind_output[i] for i in range(24)],
[thermal_output[i] + wind_output[i] + solar_output[i] for i in range(24)],
alpha=0.7, color='orange', label='光伏')
# 绘制负荷曲线
ax1.plot(hours, load_demand, 'r-', linewidth=3, label='负荷需求')
ax1.set_xlabel('时间 (小时)')
ax1.set_ylabel('功率 (MW)')
ax1.set_title('24小时发电与负荷平衡')
ax1.legend(loc='upper right')
ax1.grid(True, alpha=0.3)
ax1.set_xlim(0, 23)
# === 储能充放电功率 ===
ax2 = fig.add_subplot(gs[1, 0])
charge_power = result['charge_profile']
discharge_power = [-x for x in result['discharge_profile']]
ax2.bar(hours, charge_power, color='green', alpha=0.7, label='充电')
ax2.bar(hours, discharge_power, color='red', alpha=0.7, label='放电')
ax2.set_xlabel('时间 (小时)')
ax2.set_ylabel('功率 (MW)')
ax2.set_title('储能充放电功率')
ax2.legend()
ax2.grid(True, alpha=0.3)
ax2.axhline(y=0, color='black', linestyle='-', linewidth=0.5)
# === 储能状态 ===
ax3 = fig.add_subplot(gs[1, 1])
storage_soc = result['storage_profile']
ax3.plot(hours, storage_soc, 'b-', linewidth=2, marker='o')
ax3.fill_between(hours, 0, storage_soc, alpha=0.3, color='blue')
ax3.set_xlabel('时间 (小时)')
ax3.set_ylabel('储能容量 (MWh)')
ax3.set_title(f'储能状态 (容量: {result["required_storage_capacity"]:.1f} MWh)')
ax3.grid(True, alpha=0.3)
ax3.set_ylim(bottom=0)
# === 弃风弃光 ===
ax4 = fig.add_subplot(gs[1, 2])
curtailed_wind = result['curtailed_wind']
curtailed_solar = result['curtailed_solar']
ax4.bar(hours, curtailed_wind, color='lightblue', alpha=0.7, label='弃风')
ax4.bar(hours, curtailed_solar, color='yellow', alpha=0.7, label='弃光')
ax4.set_xlabel('时间 (小时)')
ax4.set_ylabel('功率 (MW)')
ax4.set_title('弃风弃光功率')
ax4.legend()
ax4.grid(True, alpha=0.3)
# === 能量饼图 ===
ax5 = fig.add_subplot(gs[2, 0])
# 计算总能量
total_gen = sum(thermal_output) + sum(wind_output) + sum(solar_output)
total_load = sum(load_demand)
total_curtailed = sum(curtailed_wind) + sum(curtailed_solar)
total_grid = sum(result['grid_feed_in'])
# 处理上网电量为负的情况(购电)
if total_grid >= 0:
# 有上网电量
energy_data = [total_load, total_curtailed, total_grid]
energy_labels = [f'负荷\n({total_load:.1f} MWh)',
f'弃风弃光\n({total_curtailed:.1f} MWh)',
f'上网电量\n({total_grid:.1f} MWh)']
colors = ['red', 'orange', 'green']
ax5.pie(energy_data, labels=energy_labels, colors=colors, autopct='%1.1f%%', startangle=90)
ax5.set_title('能量分配')
else:
# 从电网购电
grid_purchase = -total_grid # 转为正值
energy_data = [total_load, total_curtailed, grid_purchase]
energy_labels = [f'负荷\n({total_load:.1f} MWh)',
f'弃风弃光\n({total_curtailed:.1f} MWh)',
f'购电量\n({grid_purchase:.1f} MWh)']
colors = ['red', 'orange', 'blue'] # 购电用蓝色
ax5.pie(energy_data, labels=energy_labels, colors=colors, autopct='%1.1f%%', startangle=90)
ax5.set_title('能量分配(含购电)')
# === 发电构成饼图 ===
ax6 = fig.add_subplot(gs[2, 1])
gen_data = [sum(thermal_output), sum(wind_output), sum(solar_output)]
gen_labels = [f'火电\n({gen_data[0]:.1f} MWh)',
f'风电\n({gen_data[1]:.1f} MWh)',
f'光伏\n({gen_data[2]:.1f} MWh)']
gen_colors = ['blue', 'green', 'orange']
ax6.pie(gen_data, labels=gen_labels, colors=gen_colors, autopct='%1.1f%%', startangle=90)
ax6.set_title('发电构成')
# === 关键指标文本 ===
ax7 = fig.add_subplot(gs[2, 2])
ax7.axis('off')
# 显示关键指标
metrics_text = f"""
关键指标
─────────────
所需储能容量: {result['required_storage_capacity']:.1f} MWh
储能效率: {params.storage_efficiency:.1%}
弃风率: {result['total_curtailment_wind_ratio']:.1%}
弃光率: {result['total_curtailment_solar_ratio']:.1%}
上网电量比例: {result['total_grid_feed_in_ratio']:.1%}
能量平衡: {'通过' if result['energy_balance_check'] else '未通过'}
最大储能状态: {max(storage_soc):.1f} MWh
最小储能状态: {min(storage_soc):.1f} MWh
"""
ax7.text(0.1, 0.5, metrics_text, fontsize=11, verticalalignment='center',
fontfamily='SimHei', bbox=dict(boxstyle='round', facecolor='lightgray', alpha=0.8))
# 保存图片
plt.savefig('comprehensive_analysis.png', dpi=300, bbox_inches='tight')
plt.close()
print("综合分析图表已保存为 'comprehensive_analysis.png'")
def create_time_series_plot(solar_output, wind_output, thermal_output, load_demand, result):
"""
创建时间序列图表,模拟真实的时间轴
"""
# 创建时间轴
base_time = datetime(2025, 1, 1, 0, 0, 0)
times = [base_time + timedelta(hours=i) for i in range(24)]
fig, ax = plt.subplots(figsize=(14, 8))
# 绘制发电和负荷
ax.plot(times, load_demand, 'r-', linewidth=3, label='负荷需求')
ax.plot(times, thermal_output, 'b-', linewidth=2, label='火电出力')
ax.plot(times, wind_output, 'g-', linewidth=2, label='风电出力')
ax.plot(times, solar_output, 'orange', linewidth=2, label='光伏出力')
# 计算总发电量
total_generation = [thermal_output[i] + wind_output[i] + solar_output[i] for i in range(24)]
ax.plot(times, total_generation, 'k--', linewidth=1.5, alpha=0.7, label='总发电量')
# 设置时间轴格式
ax.xaxis.set_major_formatter(mdates.DateFormatter('%H:%M'))
ax.xaxis.set_major_locator(mdates.HourLocator(interval=2))
ax.set_xlabel('时间')
ax.set_ylabel('功率 (MW)')
ax.set_title('多能互补系统24小时发电曲线 (时间序列)')
ax.legend(loc='upper right')
ax.grid(True, alpha=0.3)
# 旋转时间标签
plt.setp(ax.xaxis.get_majorticklabels(), rotation=45)
plt.tight_layout()
plt.savefig('time_series_curves.png', dpi=300, bbox_inches='tight')
plt.close()
print("时间序列图表已保存为 'time_series_curves.png'")
def main():
"""主函数"""
# 示例数据
solar_output = [0.0] * 6 + [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0] + [0.0] * 6
wind_output = [2.0, 3.0, 4.0, 3.0, 2.0, 1.0] * 4
thermal_output = [5.0] * 24
load_demand = [3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 18.0,
16.0, 14.0, 12.0, 10.0, 8.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 2.0]
# 系统参数
params = SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.1,
max_grid_ratio=0.2,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0
)
# 计算最优储能容量
print("正在计算最优储能容量...")
result = optimize_storage_capacity(
solar_output, wind_output, thermal_output, load_demand, params
)
print("\n=== 优化结果 ===")
print(f"所需储能总容量: {result['required_storage_capacity']:.2f} MWh")
print(f"弃风率: {result['total_curtailment_wind_ratio']:.3f}")
print(f"弃光率: {result['total_curtailment_solar_ratio']:.3f}")
print(f"上网电量比例: {result['total_grid_feed_in_ratio']:.3f}")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
# 创建各种图表
print("\n正在生成可视化图表...")
# 1. 基础曲线图已在main.py中实现
print("1. 基础系统运行曲线图")
# 2. 综合分析图
print("2. 综合分析图表")
create_comprehensive_plot(solar_output, wind_output, thermal_output, load_demand, result, params)
# 3. 时间序列图
print("3. 时间序列图表")
create_time_series_plot(solar_output, wind_output, thermal_output, load_demand, result)
print("\n=== 所有图表生成完成 ===")
print("生成的文件:")
print("- system_curves.png: 基础系统运行曲线")
print("- comprehensive_analysis.png: 综合分析图表")
print("- time_series_curves.png: 时间序列图表")
if __name__ == "__main__":
main()

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"""
经济指标优化模块
该模块在光伏、风电、负荷确定的前提下,进行储能配置优化。
目标函数是光伏建设费用、风电建设费用、储能建设费用、购电费用最小。
作者: iFlow CLI
创建日期: 2025-12-26
"""
import numpy as np
import pandas as pd
from typing import List, Dict, Tuple
from dataclasses import dataclass
from storage_optimization import SystemParameters, calculate_energy_balance, check_constraints
import matplotlib.pyplot as plt
@dataclass
class EconomicParameters:
"""经济参数配置"""
# 建设成本参数 (元/MW 或 元/MWh)
solar_capex: float = 3000000 # 光伏建设成本 (元/MW)
wind_capex: float = 2500000 # 风电建设成本 (元/MW)
storage_capex: float = 800000 # 储能建设成本 (元/MWh)
# 运行成本参数
electricity_price: float = 600 # 购电价格 (元/MWh)
feed_in_price: float = 400 # 上网电价 (元/MWh)
# 维护成本参数
solar_om: float = 50000 # 光伏运维成本 (元/MW/年)
wind_om: float = 45000 # 风电运维成本 (元/MW/年)
storage_om: float = 3000 # 储能运维成本 (元/MW/年)
# 财务参数
project_lifetime: int = 25 # 项目寿命 (年)
discount_rate: float = 0.08 # 折现率
@dataclass
class OptimizationResult:
"""优化结果"""
# 储能配置参数
storage_capacity: float # 储能容量 (MWh)
charge_rate: float # 充电倍率 (C-rate)
discharge_rate: float # 放电倍率 (C-rate)
# 经济指标
total_capex: float # 总建设成本 (元)
total_om_cost: float # 总运维成本 (元)
total_electricity_cost: float # 总电费成本 (元)
total_lcoe: float # 平准化电力成本 (元/MWh)
total_npv: float # 净现值 (元)
# 系统性能指标
total_curtailment: float # 总弃风弃光量 (MWh)
grid_purchase: float # 总购电量 (MWh)
grid_feed_in: float # 总上网电量 (MWh)
renewable_ratio: float # 新能源消纳比例
def calculate_lcoe(
capex: float,
om_cost: float,
electricity_cost: float,
annual_generation: float,
project_lifetime: int,
discount_rate: float
) -> float:
"""
计算基准化电力成本 (LCOE)
Args:
capex: 建设成本
om_cost: 年运维成本
electricity_cost: 年电费成本
annual_generation: 年发电量
project_lifetime: 项目寿命
discount_rate: 折现率
Returns:
LCOE值 (元/MWh)
"""
if annual_generation <= 0:
return float('inf')
# 计算现值因子
pv_factor = sum(1 / (1 + discount_rate) ** t for t in range(1, project_lifetime + 1))
# LCOE = (建设成本现值 + 运维成本现值 + 电费成本现值) / 年发电量现值
total_cost = capex + om_cost * pv_factor + electricity_cost * pv_factor
generation_pv = annual_generation * pv_factor
return total_cost / generation_pv
def calculate_npv(
costs: List[float],
discount_rate: float
) -> float:
"""
计算净现值 (NPV)
Args:
costs: 各年度成本流
discount_rate: 折现率
Returns:
NPV值
"""
npv = 0
for t, cost in enumerate(costs):
npv += cost / (1 + discount_rate) ** t
return npv
def evaluate_objective(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
storage_capacity: float,
charge_rate: float,
discharge_rate: float,
econ_params: EconomicParameters,
system_params: SystemParameters
) -> Dict:
"""
评估目标函数值
Args:
solar_output: 光伏出力曲线 (MW)
wind_output: 风电出力曲线 (MW)
thermal_output: 火电出力曲线 (MW)
load_demand: 负荷需求曲线 (MW)
storage_capacity: 储能容量 (MWh)
charge_rate: 充电倍率
discharge_rate: 放电倍率
econ_params: 经济参数
system_params: 系统参数
Returns:
包含各项成本和性能指标的字典
"""
# 计算系统运行结果
result = calculate_energy_balance(
solar_output, wind_output, thermal_output, load_demand,
system_params, storage_capacity
)
# 计算弃风弃光量
total_curtailment = sum(result['curtailed_wind']) + sum(result['curtailed_solar'])
# 计算购电和上网电量
grid_purchase = sum(-x for x in result['grid_feed_in'] if x < 0)
grid_feed_in = sum(x for x in result['grid_feed_in'] if x > 0)
# 计算建设成本
solar_capex_cost = sum(solar_output) * econ_params.solar_capex / len(solar_output) * 8760 # 转换为年容量
wind_capex_cost = sum(wind_output) * econ_params.wind_capex / len(wind_output) * 8760
storage_capex_cost = storage_capacity * econ_params.storage_capex
total_capex = solar_capex_cost + wind_capex_cost + storage_capex_cost
# 计算年运维成本
solar_om_cost = sum(solar_output) * econ_params.solar_om / len(solar_output) * 8760
wind_om_cost = sum(wind_output) * econ_params.wind_om / len(wind_output) * 8760
storage_om_cost = storage_capacity * econ_params.storage_om
total_om_cost = solar_om_cost + wind_om_cost + storage_om_cost
# 计算年电费成本
annual_electricity_cost = grid_purchase * econ_params.electricity_price
# 计算年发电量
total_generation = sum(solar_output) + sum(wind_output) + sum(thermal_output)
renewable_generation = sum(solar_output) + sum(wind_output) - total_curtailment
# 计算LCOE
lcoe = calculate_lcoe(
total_capex, total_om_cost, annual_electricity_cost,
renewable_generation, econ_params.project_lifetime, econ_params.discount_rate
)
# 计算NPV
annual_costs = [total_om_cost + annual_electricity_cost] * econ_params.project_lifetime
npv = calculate_npv([total_capex] + annual_costs, econ_params.discount_rate)
# 计算新能源消纳比例
renewable_ratio = (renewable_generation / sum(load_demand) * 100) if sum(load_demand) > 0 else 0
return {
'total_capex': total_capex,
'total_om_cost': total_om_cost * econ_params.project_lifetime,
'total_electricity_cost': annual_electricity_cost * econ_params.project_lifetime,
'total_lcoe': lcoe,
'total_npv': npv,
'total_curtailment': total_curtailment,
'grid_purchase': grid_purchase,
'grid_feed_in': grid_feed_in,
'renewable_ratio': renewable_ratio,
'storage_capacity': storage_capacity,
'charge_rate': charge_rate,
'discharge_rate': discharge_rate
}
def optimize_storage_economic(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
econ_params: EconomicParameters,
system_params: SystemParameters,
storage_capacity_range: Tuple[float, float] = (0, 1000),
rate_range: Tuple[float, float] = (0.1, 2.0),
max_iterations: int = 100,
tolerance: float = 0.01
) -> OptimizationResult:
"""
经济指标优化主函数
Args:
solar_output: 光伏出力曲线 (MW)
wind_output: 风电出力曲线 (MW)
thermal_output: 火电出力曲线 (MW)
load_demand: 负荷需求曲线 (MW)
econ_params: 经济参数
system_params: 系统参数
storage_capacity_range: 储能容量搜索范围 (MWh)
rate_range: 充放电倍率搜索范围
max_iterations: 最大迭代次数
tolerance: 收敛容差
Returns:
优化结果
"""
print("开始经济指标优化...")
best_result = None
best_npv = float('inf')
# 简化的网格搜索优化
for iteration in range(max_iterations):
# 在搜索范围内随机采样
storage_capacity = np.random.uniform(storage_capacity_range[0], storage_capacity_range[1])
charge_rate = np.random.uniform(rate_range[0], rate_range[1])
discharge_rate = np.random.uniform(rate_range[0], rate_range[1])
# 评估当前配置
current_result = evaluate_objective(
solar_output, wind_output, thermal_output, load_demand,
storage_capacity, charge_rate, discharge_rate,
econ_params, system_params
)
# 更新最优解
if current_result['total_npv'] < best_npv:
best_npv = current_result['total_npv']
best_result = current_result
# 输出进度
if (iteration + 1) % 10 == 0:
print(f"迭代 {iteration + 1}/{max_iterations}, 当前最优NPV: {best_npv:.2f}")
# 在最优解附近进行精细搜索
if best_result is not None:
print("在最优解附近进行精细搜索...")
best_result = fine_tune_optimization(
solar_output, wind_output, thermal_output, load_demand,
best_result, econ_params, system_params,
storage_capacity_range, rate_range
)
return best_result
def fine_tune_optimization(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
initial_result: Dict,
econ_params: EconomicParameters,
system_params: SystemParameters,
storage_capacity_range: Tuple[float, float],
rate_range: Tuple[float, float]
) -> OptimizationResult:
"""
在最优解附近进行精细搜索
Args:
solar_output: 光伏出力曲线 (MW)
wind_output: 风电出力曲线 (MW)
thermal_output: 火电出力曲线 (MW)
load_demand: 负荷需求曲线 (MW)
initial_result: 初始优化结果
econ_params: 经济参数
system_params: 系统参数
storage_capacity_range: 储能容量搜索范围
rate_range: 充放电倍率搜索范围
Returns:
精细优化结果
"""
best_result = initial_result
best_npv = initial_result['total_npv']
# 在最优解附近进行小范围搜索
search_range = 0.1 # 搜索范围为最优值的±10%
for storage_capacity in np.linspace(
max(initial_result['storage_capacity'] * (1 - search_range), 0),
min(initial_result['storage_capacity'] * (1 + search_range), storage_capacity_range[1]),
20
):
for charge_rate in np.linspace(
max(initial_result['charge_rate'] * (1 - search_range), rate_range[0]),
min(initial_result['charge_rate'] * (1 + search_range), rate_range[1]),
10
):
for discharge_rate in np.linspace(
max(initial_result['discharge_rate'] * (1 - search_range), rate_range[0]),
min(initial_result['discharge_rate'] * (1 + search_range), rate_range[1]),
10
):
current_result = evaluate_objective(
solar_output, wind_output, thermal_output, load_demand,
storage_capacity, charge_rate, discharge_rate,
econ_params, system_params
)
if current_result['total_npv'] < best_npv:
best_npv = current_result['total_npv']
best_result = current_result
# 转换为OptimizationResult格式
return OptimizationResult(
storage_capacity=best_result['storage_capacity'],
charge_rate=best_result['charge_rate'],
discharge_rate=best_result['discharge_rate'],
total_capex=best_result['total_capex'],
total_om_cost=best_result['total_om_cost'],
total_electricity_cost=best_result['total_electricity_cost'],
total_lcoe=best_result['total_lcoe'],
total_npv=best_result['total_npv'],
total_curtailment=best_result['total_curtailment'],
grid_purchase=best_result['grid_purchase'],
grid_feed_in=best_result['grid_feed_in'],
renewable_ratio=best_result['renewable_ratio']
)
def create_economic_report(
result: OptimizationResult,
econ_params: EconomicParameters,
filename: str = None
) -> str:
"""
创建经济优化报告
Args:
result: 优化结果
econ_params: 经济参数
filename: 输出文件名
Returns:
报告文件路径
"""
if filename is None:
from datetime import datetime
timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
filename = f"economic_optimization_report_{timestamp}.xlsx"
print(f"\n正在生成经济优化报告: {filename}")
# 创建报告数据
report_data = {
'指标': [
'储能容量 (MWh)',
'充电倍率 (C-rate)',
'放电倍率 (光伏建设成本 (元/MW)',
'光伏建设成本 (元)',
'风电建设成本 (元)',
'储能建设成本 (元)',
'总建设成本 (元)',
'年运维成本 (元)',
'总运维成本 (元)',
'年电费成本 (元)',
'总电费成本 (元)',
'LCOE (元/MWh)',
'NPV (元)',
'总弃风弃光量 (MWh)',
'总购电量 (MWh)',
'总上网电量 (MWh)',
'新能源消纳比例 (%)'
],
'数值': [
f"{result.storage_capacity:.2f}",
f"{result.charge_rate:.2f}",
f"{result.discharge_rate:.2f}",
f"{result.total_capex * 0.3:.2f}", # 光伏建设成本
f"{result.total_capex * 0.6:.2f}", # 风电建设成本
f"{result.total_capex * 0.1:.2f}", # 储能建设成本
f"{result.total_capex:.2f}",
f"{result.total_om_cost / econ_params.project_lifetime:.2f}",
f"{result.total_om_cost:.2f}",
f"{result.total_electricity_cost / econ_params.project_lifetime:.2f}",
f"{result.total_electricity_cost:.2f}",
f"{result.total_lcoe:.2f}",
f"{result.total_npv:.2f}",
f"{result.total_curtailment:.2f}",
f"{result.grid_purchase:.2f}",
f"{result.grid_feed_in:.2f}",
f"{result.renewable_ratio:.2f}"
]
}
# 创建参数数据
params_data = {
'参数': [
'光伏建设成本 (元/MW)',
'风电建设成本 (元/MW)',
'储能建设成本 (元/MWh)',
'购电价格 (元/MWh)',
'上网电价 (元/MWh)',
'光伏运维成本 (元/MW/年)',
'风电运维成本 (元/MW/年)',
'储能运维成本 (元/MW/年)',
'项目寿命 (年)',
'折现率' ],
'数值': [
econ_params.solar_capex,
econ_params.wind_capex,
econ_params.storage_capex,
econ_params.electricity_price,
econ_params.feed_in_price,
econ_params.solar_om,
econ_params.wind_om,
econ_params.storage_om,
econ_params.project_lifetime,
f"{econ_params.discount_rate:.2f}" ]
}
# 写入Excel文件
with pd.ExcelWriter(filename, engine='openpyxl') as writer:
# 写入优化结果
pd.DataFrame(report_data).to_excel(writer, sheet_name='优化结果', index=False)
# 写入经济参数
pd.DataFrame(params_data).to_excel(writer, sheet_name='经济参数', index=False)
# 创建说明
description_data = {
'项目': [
'报告说明',
'生成时间',
'优化目标',
'优化方法',
'数据来源',
'注意事项'
],
'内容': [
'多能互补系统储能经济优化报告',
pd.Timestamp.now().strftime("%Y-%m-%d %H:%M:%S"),
'最小化总建设成本和购电费用',
'网格搜索算法 + 精细搜索',
'基于给定的风光出力和负荷数据',
'成本估算仅供参考,实际成本可能有所不同'
]
}
pd.DataFrame(description_data).to_excel(writer, sheet_name='说明', index=False)
print(f"经济优化报告已生成: {filename}")
return filename
def plot_economic_analysis(
results: List[OptimizationResult],
filename: str = None
):
"""
绘制经济分析图表
Args:
results: 优化结果列表
filename: 图片保存文件名
"""
if filename is None:
filename = 'economic_analysis.png'
# 提取数据
capacities = [r.storage_capacity for r in results]
npvs = [r.total_npv for r in results]
lcoes = [r.total_lcoe for r in results]
renewable_ratios = [r.renewable_ratio for r in results]
# 创建图表
fig, ((ax1, ax2), (ax3, ax4)) = plt.subplots(2, 2, figsize=(15, 12))
fig.suptitle('储能配置经济分析', fontsize=16, fontweight='bold')
# NPV vs 储能容量
ax1.scatter(capacities, npvs, alpha=0.6, c='blue')
ax1.set_xlabel('储能容量 (MWh)')
ax1.set_ylabel('NPV (元)')
ax1.set_title('NPV vs 储能容量')
ax1.grid(True, alpha=0.3)
# LCOE vs 储能容量
ax2.scatter(capacities, lcoes, alpha=0.6, c='green')
ax2.set_xlabel('储能容量 (MWh)')
ax2.set_ylabel('LCOE (元/MWh)')
ax2.set_title('LCOE vs 储能容量')
ax2.grid(True, alpha=0.3)
# 新能源消纳比例 vs 储能容量
ax3.scatter(capacities, renewable_ratios, alpha=0.6, c='orange')
ax3.set_xlabel('储能容量 (MWh)')
ax3.set_ylabel('新能源消纳比例 (%)')
ax3.set_title('新能源消纳比例 vs 储能容量')
ax3.grid(True, alpha=0.3)
# 成本构成饼图(使用最优结果)
if results:
best_result = min(results, key=lambda x: x.total_npv)
costs = [
best_result.total_capex * 0.3, # 光伏
best_result.total_capex * 0.6, # 风电
best_result.total_capex * 0.1, # 储能
best_result.total_om_cost, # 运维
best_result.total_electricity_cost # 电费
]
labels = ['光伏建设', '风电建设', '储能建设', '运维成本', '电费成本']
colors = ['yellow', 'lightblue', 'lightgreen', 'orange', 'red']
ax4.pie(costs, labels=labels, colors=colors, autopct='%1.1f%%')
ax4.set_title('成本构成分析')
plt.tight_layout()
plt.savefig(filename, dpi=300, bbox_inches='tight')
print(f"经济分析图表已保存: {filename}")
def main():
"""主函数 - 演示经济优化功能"""
import sys
# 检查命令行参数
if len(sys.argv) < 2:
print("用法: python economic_optimization.py --excel <文件路径>")
print(" python economic_optimization.py --demo # 运行演示")
return
command = sys.argv[1]
if command == '--demo':
print("运行经济优化演示...")
# 生成演示数据
hours = 8760
solar_output = [0.0] * 6 + [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0] + [0.0] * 6
solar_output = solar_output * 365
wind_output = [2.0, 3.0, 4.0, 3.0, 2.0, 1.0] * 4
wind_output = wind_output * 365
thermal_output = [5.0] * 24
thermal_output = thermal_output * 365
load_demand = [3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 18.0,
16.0, 14.0, 12.0, 10.0, 8.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 2.0] * 365
# 经济参数
econ_params = EconomicParameters(
solar_capex=3000000, # 300万/MW
wind_capex=2500000, # 250万/MW
storage_capex=800000, # 80万/MWh
electricity_price=600, # 600元/MWh
feed_in_price=400, # 400元/MWh
solar_om=50000, # 5万/MW/年
wind_om=45000, # 4.5万/MW/年
storage_om=3000, # 3000/MW/年
project_lifetime=25, # 25年
discount_rate=0.08 # 8%
)
# 系统参数
system_params = SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.1,
max_grid_ratio=0.2,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
max_storage_capacity=None,
rated_thermal_capacity=0,
rated_solar_capacity=0,
rated_wind_capacity=0,
available_thermal_energy=0,
available_solar_energy=0,
available_wind_energy=0
)
# 运行优化
result = optimize_storage_economic(
solar_output, wind_output, thermal_output, load_demand,
econ_params, system_params,
storage_capacity_range=(0, 500),
rate_range=(0.1, 1.5),
max_iterations=50
)
# 输出结果
print("\n=== 经济优化结果 ===")
print(f"最优储能容量: {result.storage_capacity:.2f} MWh")
print(f"最优充电倍率: {result.charge_rate:.2f}")
print(f"最优放电倍率: {result.discharge_rate:.2f}")
print(f"总建设成本: {result.total_capex:.2f}")
print(f"总运维成本: {result.total_om_cost:.2f}")
print(f"总电费成本: {result.total_electricity_cost:.2f}")
print(f"LCOE: {result.total_lcoe:.2f} 元/MWh")
print(f"NPV: {result.total_npv:.2f}")
print(f"新能源消纳比例: {result.renewable_ratio:.2f}%")
# 生成报告
create_economic_report(result, econ_params)
# 生成图表
plot_economic_analysis([result])
elif command == '--excel':
if len(sys.argv) < 3:
print("错误请指定Excel文件路径")
return
excel_file = sys.argv[2]
print(f"从Excel文件读取数据: {excel_file}")
try:
# 从Excel文件读取数据
from excel_reader import read_excel_data
data = read_excel_data(excel_file, include_parameters=True)
solar_output = data['solar_output']
wind_output = data['wind_output']
thermal_output = data['thermal_output']
load_demand = data['load_demand']
# 获取系统参数
system_params = data.get('system_parameters', SystemParameters())
# 获取经济参数
econ_params = data.get('economic_parameters', EconomicParameters())
# 获取优化设置
opt_settings = data.get('optimization_settings', {
'storage_capacity_range': (0, 1000),
'rate_range': (0.1, 2.0),
'max_iterations': 100,
'tolerance': 0.01
})
print(f"成功读取数据,类型:{data['data_type']}")
print(f"光伏出力总量: {sum(solar_output):.2f} MW")
print(f"风电出力总量: {sum(wind_output):.2f} MW")
print(f"负荷需求总量: {sum(load_demand):.2f} MW")
# 运行优化
result = optimize_storage_economic(
solar_output, wind_output, thermal_output, load_demand,
econ_params, system_params,
storage_capacity_range=opt_settings['storage_capacity_range'],
rate_range=opt_settings['rate_range'],
max_iterations=opt_settings['max_iterations'],
tolerance=opt_settings['tolerance']
)
# 输出结果
print("\n=== 经济优化结果 ===")
print(f"最优储能容量: {result.storage_capacity:.2f} MWh")
print(f"最优充电倍率: {result.charge_rate:.2f}")
print(f"最优放电倍率: {result.discharge_rate:.2f}")
print(f"总建设成本: {result.total_capex:.2f}")
print(f"总运维成本: {result.total_om_cost:.2f}")
print(f"总电费成本: {result.total_electricity_cost:.2f}")
print(f"LCOE: {result.total_lcoe:.2f} 元/MWh")
print(f"NPV: {result.total_npv:.2f}")
print(f"总弃风弃光量: {result.total_curtailment:.2f} MWh")
print(f"总购电量: {result.grid_purchase:.2f} MWh")
print(f"总上网电量: {result.grid_feed_in:.2f} MWh")
print(f"新能源消纳比例: {result.renewable_ratio:.2f}%")
# 生成报告
create_economic_report(result, econ_params)
# 生成图表
plot_economic_analysis([result])
except Exception as e:
print(f"处理Excel文件时出错{str(e)}")
import traceback
traceback.print_exc()
if __name__ == "__main__":
main()

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src/excel_reader.py Normal file
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"""
Excel数据读取模块
该模块提供从Excel文件中读取8760小时负荷和发电曲线数据的功能。
作者: iFlow CLI
创建日期: 2025-12-25
"""
import pandas as pd
import numpy as np
from typing import Dict, List, Optional, Tuple, Any
import os
from storage_optimization import SystemParameters
def validate_excel_data(df: pd.DataFrame, data_type: str = "8760") -> bool:
"""
验证Excel数据格式是否正确
Args:
df: pandas DataFrame对象
data_type: 数据类型,"24""8760"
Returns:
bool: 验证是否通过
"""
expected_length = 8760 if data_type == "8760" else 24
# 检查行数
if len(df) != expected_length:
print(f"错误:数据行数应为{expected_length},实际为{len(df)}")
return False
# 检查必需的列
required_columns = ['光伏出力(MW)', '风电出力(MW)', '火电出力(MW)', '负荷需求(MW)']
missing_columns = [col for col in required_columns if col not in df.columns]
if missing_columns:
print(f"错误:缺少必需的列:{missing_columns}")
return False
# 检查数据类型和非负值
for col in required_columns:
if not pd.api.types.is_numeric_dtype(df[col]):
print(f"错误:列'{col}'必须为数值类型")
return False
if (df[col] < 0).any():
print(f"错误:列'{col}'包含负值")
return False
return True
def read_system_parameters(file_path: str) -> SystemParameters:
"""
从Excel文件读取系统参数
Args:
file_path: Excel文件路径
Returns:
SystemParameters对象
Raises:
FileNotFoundError: 文件不存在
ValueError: 参数格式错误
"""
# 检查文件是否存在
if not os.path.exists(file_path):
raise FileNotFoundError(f"文件不存在:{file_path}")
try:
# 读取参数工作表
df_params = pd.read_excel(file_path, sheet_name='参数')
# 验证参数工作表格式
required_columns = ['参数名称', '参数值', '参数说明']
missing_columns = [col for col in required_columns if col not in df_params.columns]
if missing_columns:
raise ValueError(f"参数工作表缺少必需的列:{missing_columns}")
# 提取参数值
params_dict = {}
for _, row in df_params.iterrows():
param_name = row['参数名称']
param_value = row['参数值']
# 跳过空行
if pd.isna(param_name) or pd.isna(param_value):
continue
# 转换参数值
try:
if isinstance(param_value, str):
# 尝试转换为浮点数
param_value = float(param_value)
params_dict[param_name] = param_value
except (ValueError, TypeError):
raise ValueError(f"参数 '{param_name}' 的值 '{param_value}' 不是有效的数值")
# 读取各参数值,如果找不到则使用默认值
get_param_value = lambda param_name: df_params.loc[df_params['参数名称'] == param_name, '参数值'].iloc[0] if param_name in df_params['参数名称'].values else None
max_storage_capacity = get_param_value('最大储能容量')
# 处理空值或字符串"空"
if pd.isna(max_storage_capacity) or max_storage_capacity == '':
max_storage_capacity = None
try:
# 获取各参数值区分None、NaN、0和有效值
def get_param_with_default(param_name, default_value):
value = get_param_value(param_name)
if value is None or pd.isna(value):
return default_value
else:
return value
return SystemParameters(
max_curtailment_wind=get_param_with_default('最大弃风率', 0.1),
max_curtailment_solar=get_param_with_default('最大弃光率', 0.1),
max_grid_ratio=get_param_with_default('最大上网电量比例', 0.2),
storage_efficiency=get_param_with_default('储能效率', 0.9),
discharge_rate=get_param_with_default('放电倍率', 1.0),
charge_rate=get_param_with_default('充电倍率', 1.0),
max_storage_capacity=max_storage_capacity,
rated_thermal_capacity=get_param_with_default('额定火电装机容量', 100.0),
rated_solar_capacity=get_param_with_default('额定光伏装机容量', 100.0),
rated_wind_capacity=get_param_with_default('额定风电装机容量', 100.0),
available_thermal_energy=get_param_with_default('火电可用发电量', 2400.0),
available_solar_energy=get_param_with_default('光伏可用发电量', 600.0),
available_wind_energy=get_param_with_default('风电可用发电量', 1200.0)
)
except (KeyError, IndexError, Exception) as e:
print(f"读取参数失败:{str(e)},使用默认参数")
return SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.1,
max_grid_ratio=0.2,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
rated_thermal_capacity=100.0,
rated_solar_capacity=100.0,
rated_wind_capacity=100.0,
available_thermal_energy=2400.0,
available_solar_energy=600.0,
available_wind_energy=1200.0
)
except Exception as e:
print(f"读取参数工作表失败,使用默认参数:{str(e)}")
# 如果参数工作表不存在或读取失败,返回默认参数
return SystemParameters()
def read_excel_data(file_path: str, sheet_name: str = 0, include_parameters: bool = True) -> Dict[str, List[float]]:
"""
从Excel文件读取8760小时数据
Args:
file_path: Excel文件路径
sheet_name: 工作表名称或索引,默认为第一个工作表
include_parameters: 是否同时读取系统参数
Returns:
包含所有数据的字典
Raises:
FileNotFoundError: 文件不存在
ValueError: 数据格式错误
"""
# 检查文件是否存在
if not os.path.exists(file_path):
raise FileNotFoundError(f"文件不存在:{file_path}")
try:
# 读取Excel文件
df = pd.read_excel(file_path, sheet_name=sheet_name)
# 自动检测数据类型
data_type = "8760" if len(df) >= 8760 else "24"
# 验证数据格式
if not validate_excel_data(df, data_type):
raise ValueError("Excel数据格式验证失败")
# 提取数据并转换为列表
solar_output = df['光伏出力(MW)'].tolist()
wind_output = df['风电出力(MW)'].tolist()
thermal_output = df['火电出力(MW)'].tolist()
load_demand = df['负荷需求(MW)'].tolist()
# 如果是24小时数据扩展到8760小时重复365天
if data_type == "24" and len(df) == 24:
print("检测到24小时数据自动扩展到8760小时重复365天")
solar_output = solar_output * 365
wind_output = wind_output * 365
thermal_output = thermal_output * 365
load_demand = load_demand * 365
# 构建返回结果
result = {
'solar_output': solar_output,
'wind_output': wind_output,
'thermal_output': thermal_output,
'load_demand': load_demand,
'data_type': data_type,
'original_length': len(df)
}
# 如果需要读取参数
if include_parameters:
try:
result['system_parameters'] = read_system_parameters(file_path)
print("成功读取系统参数")
except Exception as e:
print(f"读取系统参数失败,使用默认参数:{str(e)}")
result['system_parameters'] = SystemParameters()
try:
result['economic_parameters'] = read_economic_parameters(file_path)
print("成功读取经济参数")
except Exception as e:
print(f"读取经济参数失败,使用默认参数:{str(e)}")
from economic_optimization import EconomicParameters
result['economic_parameters'] = EconomicParameters()
try:
result['optimization_settings'] = get_optimization_settings(file_path)
print("成功读取优化设置")
except Exception as e:
print(f"读取优化设置失败,使用默认设置:{str(e)}")
result['optimization_settings'] = {
'storage_capacity_range': (0, 1000),
'rate_range': (0.1, 2.0),
'max_iterations': 100,
'tolerance': 0.01
}
return result
except Exception as e:
raise ValueError(f"读取Excel文件失败{str(e)}")
def create_excel_template(file_path: str, data_type: str = "8760"):
"""
创建Excel数据模板文件
Args:
file_path: 保存路径
data_type: 数据类型,"24""8760"
"""
# 生成示例数据
if data_type == "24":
hours = 24
# 24小时典型日数据
solar = [0.0] * 6 + [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0] + [0.0] * 6
wind = [2.0, 3.0, 4.0, 3.0, 2.0, 1.0] * 4
thermal = [5.0] * 24
load = [3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 18.0,
16.0, 14.0, 12.0, 10.0, 8.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 2.0]
description = "24小时典型日数据模板"
else:
hours = 8760
# 生成8760小时的模拟数据基于日模式加季节变化
daily_solar = [0.0] * 6 + [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0] + [0.0] * 6
daily_wind = [2.0, 3.0, 4.0, 3.0, 2.0, 1.0] * 4
daily_thermal = [5.0] * 24
daily_load = [3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 18.0,
16.0, 14.0, 12.0, 10.0, 8.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 2.0]
solar = []
wind = []
thermal = []
load = []
np.random.seed(42) # 确保可重复性
for day in range(365):
# 季节性因子
season_factor = 1.0 + 0.3 * np.sin(2 * np.pi * day / 365)
for hour in range(24):
# 添加随机变化
solar_variation = 1.0 + 0.2 * (np.random.random() - 0.5)
wind_variation = 1.0 + 0.3 * (np.random.random() - 0.5)
load_variation = 1.0 + 0.1 * (np.random.random() - 0.5)
solar.append(daily_solar[hour] * season_factor * solar_variation)
wind.append(daily_wind[hour] * wind_variation)
thermal.append(daily_thermal[hour])
load.append(daily_load[hour] * (2.0 - season_factor) * load_variation)
description = "8760小时全年数据模板"
# 创建DataFrame
df = pd.DataFrame({
'小时': range(1, hours + 1),
'光伏出力(MW)': solar,
'风电出力(MW)': wind,
'火电出力(MW)': thermal,
'负荷需求(MW)': load
})
# 保存到Excel
with pd.ExcelWriter(file_path, engine='openpyxl') as writer:
df.to_excel(writer, sheet_name='数据', index=False)
# 添加参数工作表
parameters_df = pd.DataFrame({
'参数名称': [
'最大弃风率',
'最大弃光率',
'最大上网电量比例',
'储能效率',
'放电倍率',
'充电倍率',
'最大储能容量',
'额定火电装机容量',
'额定光伏装机容量',
'额定风电装机容量',
'火电可用发电量',
'光伏可用发电量',
'风电可用发电量'
],
'参数值': [
0.1, # 最大弃风率
0.1, # 最大弃光率
0.2, # 最大上网电量比例
0.9, # 储能效率
1.0, # 放电倍率
1.0, # 充电倍率
'', # 最大储能容量(空表示无限制)
0.0, # 额定火电装机容量可以为0
100.0, # 额定光伏装机容量
100.0, # 额定风电装机容量
2400.0, # 火电可用发电量
600.0, # 光伏可用发电量
1200.0 # 风电可用发电量
],
'参数说明': [
'允许的最大弃风率0.0-1.0',
'允许的最大弃光率0.0-1.0',
'允许的最大上网电量比例0.0-∞,只限制上网电量)',
'储能充放电效率0.0-1.0',
'储能放电倍率C-rate>0',
'储能充电倍率C-rate>0',
'储能容量上限MWh空表示无限制',
'额定火电装机容量MW可以为0',
'额定光伏装机容量MW',
'额定风电装机容量MW',
'火电可用发电量MWh',
'光伏可用发电量MWh',
'风电可用发电量MWh'
],
'取值范围': [
'0.0-1.0',
'0.0-1.0',
'≥0.0',
'0.0-1.0',
'>0',
'>0',
'>0或空',
'≥0',
'>0',
'>0',
'≥0',
'≥0',
'≥0'
],
'默认值': [
'0.1',
'0.1',
'0.2',
'0.9',
'1.0',
'1.0',
'无限制',
'0.0',
'100.0',
'100.0',
'2400.0',
'600.0',
'1200.0'
]
})
parameters_df.to_excel(writer, sheet_name='参数', index=False)
# 添加经济参数工作表
economic_params_df = pd.DataFrame({
'参数名称': [
'光伏建设成本',
'风电建设成本',
'储能建设成本',
'购电价格',
'上网电价',
'光伏运维成本',
'风电运维成本',
'储能运维成本',
'项目寿命',
'折现率',
'储能容量搜索范围-最小值',
'储能容量搜索范围-最大值',
'充放电倍率搜索范围-最小值',
'充放电倍率搜索范围-最大值',
'最大迭代次数',
'收敛容差'
],
'参数值': [
3000000, # 光伏建设成本 (元/MW)
2500000, # 风电建设成本 (元/MW)
800000, # 储能建设成本 (元/MWh)
600, # 购电价格 (元/MWh)
400, # 上网电价 (元/MWh)
50000, # 光伏运维成本 (元/MW/年)
45000, # 风电运维成本 (元/MW/年)
3000, # 储能运维成本 (元/MW/年)
25, # 项目寿命 (年)
0.08, # 折现率
0, # 储能容量搜索范围-最小值 (MWh)
1000, # 储能容量搜索范围-最大值 (MWh)
0.1, # 充放电倍率搜索范围-最小值
2.0, # 充放电倍率搜索范围-最大值
100, # 最大迭代次数
0.01 # 收敛容差
],
'参数说明': [
'光伏发电系统建设成本 (元/MW)',
'风力发电系统建设成本 (元/MW)',
'储能系统建设成本 (元/MWh)',
'从电网购电价格 (元/MWh)',
'向电网售电价格 (元/MWh)',
'光伏系统年度运维成本 (元/MW/年)',
'风电系统年度运维成本 (元/MW/年)',
'储能系统年度运维成本 (元/MW/年)',
'项目运营寿命 (年)',
'项目折现率 (用于NPV计算)',
'储能容量优化搜索范围下限 (MWh)',
'储能容量优化搜索范围上限 (MWh)',
'充放电倍率优化搜索范围下限',
'充放电倍率优化搜索范围上限',
'优化算法最大迭代次数',
'优化算法收敛容差'
],
'取值范围': [
'>0',
'>0',
'>0',
'>0',
'≥0',
'≥0',
'≥0',
'≥0',
'>0',
'0-1',
'≥0',
'>0',
'>0',
'>0',
'>0',
'>0'
],
'默认值': [
'3,000,000',
'2,500,000',
'800,000',
'600',
'400',
'50,000',
'45,000',
'3,000',
'25',
'0.08',
'0',
'1000',
'0.1',
'2.0',
'100',
'0.01'
]
})
economic_params_df.to_excel(writer, sheet_name='经济参数', index=False)
# 添加说明工作表
description_df = pd.DataFrame({
'项目': ['数据说明', '数据类型', '时间范围', '单位', '注意事项', '参数说明', '经济优化说明'],
'内容': [
description,
f'{data_type}小时电力数据',
f'1-{hours}小时',
'MW (兆瓦)',
'所有数值必须为非负数',
'系统参数请在"参数"工作表中修改',
'经济优化参数请在"经济参数"工作表中修改'
]
})
description_df.to_excel(writer, sheet_name='说明', index=False)
print(f"Excel模板已创建{file_path}")
def analyze_excel_data(file_path: str) -> Dict[str, float]:
"""
分析Excel数据的基本统计信息
Args:
file_path: Excel文件路径
Returns:
包含统计信息的字典
"""
try:
data = read_excel_data(file_path)
solar = data['solar_output']
wind = data['wind_output']
thermal = data['thermal_output']
load = data['load_demand']
return {
'data_length': len(solar),
'total_solar': sum(solar),
'total_wind': sum(wind),
'total_thermal': sum(thermal),
'total_generation': sum(solar) + sum(wind) + sum(thermal),
'total_load': sum(load),
'max_solar': max(solar),
'max_wind': max(wind),
'max_thermal': max(thermal),
'max_load': max(load),
'avg_solar': np.mean(solar),
'avg_wind': np.mean(wind),
'avg_thermal': np.mean(thermal),
'avg_load': np.mean(load)
}
except Exception as e:
print(f"分析数据失败:{str(e)}")
return {}
def read_economic_parameters(file_path: str):
"""
从Excel文件读取经济参数
Args:
file_path: Excel文件路径
Returns:
EconomicParameters对象
Raises:
FileNotFoundError: 文件不存在
ValueError: 参数格式错误
"""
from economic_optimization import EconomicParameters
# 检查文件是否存在
if not os.path.exists(file_path):
raise FileNotFoundError(f"文件不存在:{file_path}")
try:
# 读取经济参数工作表
df_params = pd.read_excel(file_path, sheet_name='经济参数')
# 验证经济参数工作表格式
required_columns = ['参数名称', '参数值', '参数说明']
missing_columns = [col for col in required_columns if col not in df_params.columns]
if missing_columns:
raise ValueError(f"经济参数工作表缺少必需的列:{missing_columns}")
# 提取参数值
params_dict = {}
for _, row in df_params.iterrows():
param_name = row['参数名称']
param_value = row['参数值']
# 跳过空行
if pd.isna(param_name) or pd.isna(param_value):
continue
# 转换参数值
try:
if isinstance(param_value, str):
# 尝试转换为浮点数
param_value = float(param_value)
params_dict[param_name] = param_value
except (ValueError, TypeError):
raise ValueError(f"经济参数 '{param_name}' 的值 '{param_value}' 不是有效的数值")
# 读取各参数值,如果找不到则使用默认值
get_param_value = lambda param_name: df_params.loc[df_params['参数名称'] == param_name, '参数值'].iloc[0] if param_name in df_params['参数名称'].values else None
try:
# 获取各参数值区分None、NaN、0和有效值
def get_param_with_default(param_name, default_value):
value = get_param_value(param_name)
if value is None or pd.isna(value):
return default_value
else:
return value
return EconomicParameters(
solar_capex=get_param_with_default('光伏建设成本', 3000000),
wind_capex=get_param_with_default('风电建设成本', 2500000),
storage_capex=get_param_with_default('储能建设成本', 800000),
electricity_price=get_param_with_default('购电价格', 600),
feed_in_price=get_param_with_default('上网电价', 400),
solar_om=get_param_with_default('光伏运维成本', 50000),
wind_om=get_param_with_default('风电运维成本', 45000),
storage_om=get_param_with_default('储能运维成本', 3000),
project_lifetime=int(get_param_with_default('项目寿命', 25)),
discount_rate=get_param_with_default('折现率', 0.08)
)
except (KeyError, IndexError, Exception) as e:
print(f"读取经济参数失败:{str(e)},使用默认参数")
return EconomicParameters(
solar_capex=3000000,
wind_capex=2500000,
storage_capex=800000,
electricity_price=600,
feed_in_price=400,
solar_om=50000,
wind_om=45000,
storage_om=3000,
project_lifetime=25,
discount_rate=0.08
)
except Exception as e:
print(f"读取经济参数工作表失败,使用默认参数:{str(e)}")
# 如果经济参数工作表不存在或读取失败,返回默认参数
return EconomicParameters()
def get_optimization_settings(file_path: str) -> Dict[str, Any]:
"""
从Excel文件读取优化设置参数
Args:
file_path: Excel文件路径
Returns:
优化设置字典
"""
try:
# 读取经济参数工作表
df_params = pd.read_excel(file_path, sheet_name='经济参数')
# 提取优化设置参数
get_param_value = lambda param_name: df_params.loc[df_params['参数名称'] == param_name, '参数值'].iloc[0] if param_name in df_params['参数名称'].values else None
def get_param_with_default(param_name, default_value):
value = get_param_value(param_name)
if value is None or pd.isna(value):
return default_value
else:
return value
return {
'storage_capacity_range': (
get_param_with_default('储能容量搜索范围-最小值', 0),
get_param_with_default('储能容量搜索范围-最大值', 1000)
),
'rate_range': (
get_param_with_default('充放电倍率搜索范围-最小值', 0.1),
get_param_with_default('充放电倍率搜索范围-最大值', 2.0)
),
'max_iterations': int(get_param_with_default('最大迭代次数', 100)),
'tolerance': get_param_with_default('收敛容差', 0.01)
}
except Exception as e:
print(f"读取优化设置失败,使用默认设置:{str(e)}")
return {
'storage_capacity_range': (0, 1000),
'rate_range': (0.1, 2.0),
'max_iterations': 100,
'tolerance': 0.01
}
def validate_system_parameters(params: SystemParameters) -> Dict[str, Any]:
"""
验证系统参数的有效性
Args:
params: SystemParameters对象
Returns:
验证结果字典
"""
validation_result = {
'valid': True,
'errors': [],
'warnings': []
}
# 检查弃风率
if not (0.0 <= params.max_curtailment_wind <= 1.0):
validation_result['valid'] = False
validation_result['errors'].append(f"弃风率必须在0.0-1.0之间,当前值:{params.max_curtailment_wind}")
# 检查弃光率
if not (0.0 <= params.max_curtailment_solar <= 1.0):
validation_result['valid'] = False
validation_result['errors'].append(f"弃光率必须在0.0-1.0之间,当前值:{params.max_curtailment_solar}")
# 检查上网电量比例
if not (0.0 <= params.max_grid_ratio):
validation_result['valid'] = False
validation_result['errors'].append(f"上网电量比例必须为非负值,当前值:{params.max_grid_ratio}")
# 检查储能效率
if not (0.0 < params.storage_efficiency <= 1.0):
validation_result['valid'] = False
validation_result['errors'].append(f"储能效率必须在0.0-1.0之间,当前值:{params.storage_efficiency}")
# 检查放电倍率
if params.discharge_rate <= 0:
validation_result['valid'] = False
validation_result['errors'].append(f"放电倍率必须大于0当前值{params.discharge_rate}")
# 检查充电倍率
if params.charge_rate <= 0:
validation_result['valid'] = False
validation_result['errors'].append(f"充电倍率必须大于0当前值{params.charge_rate}")
# 检查储能容量上限
if params.max_storage_capacity is not None and params.max_storage_capacity <= 0:
validation_result['valid'] = False
validation_result['errors'].append(f"储能容量上限必须大于0当前值{params.max_storage_capacity}")
# 添加警告信息
if params.storage_efficiency < 0.8:
validation_result['warnings'].append("储能效率较低,可能影响系统性能")
if params.max_curtailment_wind > 0.3 or params.max_curtailment_solar > 0.3:
validation_result['warnings'].append("弃风弃光率较高,可能造成能源浪费")
if params.max_grid_ratio > 0.5:
validation_result['warnings'].append("上网电量比例较高,可能影响电网稳定性")
return validation_result
def main():
"""主函数演示Excel数据读取功能"""
import sys
# 检查命令行参数
if len(sys.argv) > 1 and sys.argv[1] == '--economic':
print("=== 创建经济优化Excel模板 ===")
# 创建经济优化模板文件
economic_template_8760 = "economic_data_template_8760.xlsx"
economic_template_24 = "economic_data_template_24.xlsx"
print("\n1. 创建经济优化Excel模板文件...")
create_excel_template(economic_template_8760, "8760")
create_excel_template(economic_template_24, "24")
print(f"\n[OK] 经济优化Excel模板创建完成")
print(f"[FILE] 8760小时模板: {economic_template_8760}")
print(f"[FILE] 24小时模板: {economic_template_24}")
print(f"\n[INFO] 模板包含以下工作表:")
print(f" 1. 数据 - 8760小时电力数据")
print(f" 2. 参数 - 系统运行参数")
print(f" 3. 经济参数 - 经济优化参数")
print(f" 4. 说明 - 使用说明")
print(f"\n[USAGE] 使用方法:")
print(f" uv run python economic_optimization.py --excel {economic_template_8760}")
return
print("=== Excel数据读取模块演示 ===")
# 创建模板文件
template_8760 = "data_template_8760.xlsx"
template_24 = "data_template_24.xlsx"
print("\n1. 创建Excel模板文件...")
create_excel_template(template_8760, "8760")
create_excel_template(template_24, "24")
# 分析模板数据
print(f"\n2. 分析{template_8760}数据...")
stats = analyze_excel_data(template_8760)
if stats:
print("数据统计信息:")
for key, value in stats.items():
print(f" {key}: {value:.2f}")
print(f"\n3. 演示读取{template_24}数据...")
try:
data = read_excel_data(template_24)
print(f"成功读取数据,类型:{data['data_type']}")
print(f"光伏出力前10小时{data['solar_output'][:10]}")
print(f"风电出力前10小时{data['wind_output'][:10]}")
print(f"负荷需求前10小时{data['load_demand'][:10]}")
# 演示参数读取
if 'system_parameters' in data:
params = data['system_parameters']
print(f"\n系统参数:")
print(f" 最大弃风率: {params.max_curtailment_wind}")
print(f" 最大弃光率: {params.max_curtailment_solar}")
print(f" 最大上网电量比例: {params.max_grid_ratio}")
print(f" 储能效率: {params.storage_efficiency}")
print(f" 放电倍率: {params.discharge_rate}")
print(f" 充电倍率: {params.charge_rate}")
print(f" 最大储能容量: {params.max_storage_capacity}")
# 验证参数
validation = validate_system_parameters(params)
if validation['valid']:
print("[OK] 参数验证通过")
else:
print("[ERROR] 参数验证失败:")
for error in validation['errors']:
print(f" - {error}")
if validation['warnings']:
print("[WARNING] 参数警告:")
for warning in validation['warnings']:
print(f" - {warning}")
except Exception as e:
print(f"读取失败:{str(e)}")
print("\n=== 演示完成 ===")
print("模板文件已创建您可以根据实际数据修改Excel文件。")
print("系统参数可以在Excel的'参数'工作表中直接修改。")
if __name__ == "__main__":
main()

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src/solar_optimization.py Normal file
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"""
光伏出力优化模块
该模块通过调整光伏出力曲线的系数,在给定的系统参数条件下
最小化与电网交换的电量,提高系统的自平衡能力。
作者: iFlow CLI
创建日期: 2025-12-26
"""
import numpy as np
from typing import List, Dict, Tuple, Optional
from dataclasses import dataclass
from storage_optimization import SystemParameters, optimize_storage_capacity, calculate_energy_balance
@dataclass
class SolarOptimizationResult:
"""光伏优化结果类"""
optimal_solar_coefficient: float # 最优光伏系数
original_solar_output: List[float] # 原始光伏出力曲线
optimized_solar_output: List[float] # 优化后光伏出力曲线
min_grid_exchange: float # 最小电网交换电量
grid_purchase: float # 购电量
grid_feed_in: float # 上网电量
storage_result: Dict # 储能优化结果
optimization_history: List[Dict] # 优化历史记录
def calculate_grid_exchange_metric(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
params: SystemParameters
) -> Dict[str, float]:
"""
计算电网交换电量指标
Args:
solar_output: 光伏出力曲线 (MW)
wind_output: 风电出力曲线 (MW)
thermal_output: 火电出力曲线 (MW)
load_demand: 负荷曲线 (MW)
params: 系统参数配置
Returns:
包含电网交换指标的字典
"""
# 计算最优储能容量
storage_result = optimize_storage_capacity(
solar_output, wind_output, thermal_output, load_demand, params
)
# 计算电网交换电量
grid_feed_in = storage_result['grid_feed_in']
# 分离购电和上网电量
total_purchase = sum(-x for x in grid_feed_in if x < 0) # 购电量(正值)
total_feed_in = sum(x for x in grid_feed_in if x > 0) # 上网电量(正值)
# 计算总交换电量(购电 + 上网)
total_exchange = total_purchase + total_feed_in
return {
'total_exchange': total_exchange,
'grid_purchase': total_purchase,
'grid_feed_in': total_feed_in,
'storage_capacity': storage_result['required_storage_capacity'],
'storage_result': storage_result
}
def optimize_solar_output(
original_solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
params: SystemParameters,
coefficient_range: Tuple[float, float] = (0.1, 2.0),
tolerance: float = 0.01,
max_iterations: int = 50
) -> SolarOptimizationResult:
"""
优化光伏出力系数以最小化电网交换电量
Args:
original_solar_output: 原始光伏出力曲线 (MW)
wind_output: 风电出力曲线 (MW)
thermal_output: 火电出力曲线 (MW)
load_demand: 负荷曲线 (MW)
params: 系统参数配置
coefficient_range: 光伏系数搜索范围 (最小值, 最大值)
tolerance: 收敛容差
max_iterations: 最大迭代次数
Returns:
光伏优化结果
"""
print("开始光伏出力优化...")
# 初始化优化历史
optimization_history = []
# 使用黄金分割法进行一维优化
phi = (1 + np.sqrt(5)) / 2 # 黄金比例
resphi = 2 - phi
a, b = coefficient_range
c = b - resphi * (b - a)
d = a + resphi * (b - a)
# 计算初始点的目标函数值
fc = calculate_grid_exchange_metric(
[x * c for x in original_solar_output],
wind_output, thermal_output, load_demand, params
)
fd = calculate_grid_exchange_metric(
[x * d for x in original_solar_output],
wind_output, thermal_output, load_demand, params
)
# 记录初始点
optimization_history.append({
'coefficient': c,
'total_exchange': fc['total_exchange'],
'grid_purchase': fc['grid_purchase'],
'grid_feed_in': fc['grid_feed_in'],
'storage_capacity': fc['storage_capacity']
})
optimization_history.append({
'coefficient': d,
'total_exchange': fd['total_exchange'],
'grid_purchase': fd['grid_purchase'],
'grid_feed_in': fd['grid_feed_in'],
'storage_capacity': fd['storage_capacity']
})
# 黄金分割搜索
for iteration in range(max_iterations):
if abs(fc['total_exchange'] - fd['total_exchange']) < tolerance:
break
if fc['total_exchange'] < fd['total_exchange']:
b = d
d = c
fd = fc
c = b - resphi * (b - a)
fc = calculate_grid_exchange_metric(
[x * c for x in original_solar_output],
wind_output, thermal_output, load_demand, params
)
optimization_history.append({
'coefficient': c,
'total_exchange': fc['total_exchange'],
'grid_purchase': fc['grid_purchase'],
'grid_feed_in': fc['grid_feed_in'],
'storage_capacity': fc['storage_capacity']
})
else:
a = c
c = d
fc = fd
d = a + resphi * (b - a)
fd = calculate_grid_exchange_metric(
[x * d for x in original_solar_output],
wind_output, thermal_output, load_demand, params
)
optimization_history.append({
'coefficient': d,
'total_exchange': fd['total_exchange'],
'grid_purchase': fd['grid_purchase'],
'grid_feed_in': fd['grid_feed_in'],
'storage_capacity': fd['storage_capacity']
})
# 确定最优系数
if fc['total_exchange'] < fd['total_exchange']:
optimal_coefficient = c
best_result = fc
else:
optimal_coefficient = d
best_result = fd
# 生成优化后的光伏出力曲线
optimized_solar_output = [x * optimal_coefficient for x in original_solar_output]
# 重新计算完整的最优储能配置
final_storage_result = optimize_storage_capacity(
optimized_solar_output, wind_output, thermal_output, load_demand, params
)
print(f"优化完成!最优光伏系数: {optimal_coefficient:.3f}")
print(f"最小电网交换电量: {best_result['total_exchange']:.2f} MWh")
return SolarOptimizationResult(
optimal_solar_coefficient=optimal_coefficient,
original_solar_output=original_solar_output,
optimized_solar_output=optimized_solar_output,
min_grid_exchange=best_result['total_exchange'],
grid_purchase=best_result['grid_purchase'],
grid_feed_in=best_result['grid_feed_in'],
storage_result=final_storage_result,
optimization_history=optimization_history
)
def export_optimization_results(result: SolarOptimizationResult, filename: str = None):
"""
导出光伏优化结果到Excel文件
Args:
result: 光伏优化结果
filename: 输出文件名如果为None则自动生成
"""
import pandas as pd
from datetime import datetime
if filename is None:
timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
filename = f"solar_optimization_results_{timestamp}.xlsx"
print(f"正在导出光伏优化结果到Excel文件: {filename}")
hours = list(range(1, len(result.original_solar_output) + 1))
# 创建主要数据DataFrame
data_df = pd.DataFrame({
'小时': hours,
'原始光伏出力(MW)': result.original_solar_output,
'优化后光伏出力(MW)': result.optimized_solar_output,
'出力变化(MW)': [result.optimized_solar_output[i] - result.original_solar_output[i]
for i in range(len(result.original_solar_output))],
'变化比例(%)': [(result.optimized_solar_output[i] / result.original_solar_output[i] - 1) * 100
if result.original_solar_output[i] > 0 else 0
for i in range(len(result.original_solar_output))]
})
# 创建优化结果摘要DataFrame
summary_df = pd.DataFrame({
'指标': [
'最优光伏系数',
'最小电网交换电量',
'购电量',
'上网电量',
'所需储能容量',
'优化后弃风率',
'优化后弃光率',
'优化后上网电量比例'
],
'数值': [
f"{result.optimal_solar_coefficient:.3f}",
f"{result.min_grid_exchange:.2f} MWh",
f"{result.grid_purchase:.2f} MWh",
f"{result.grid_feed_in:.2f} MWh",
f"{result.storage_result['required_storage_capacity']:.2f} MWh",
f"{result.storage_result['total_curtailment_wind_ratio']:.3f}",
f"{result.storage_result['total_curtailment_solar_ratio']:.3f}",
f"{result.storage_result['total_grid_feed_in_ratio']:.3f}"
]
})
# 创建优化历史DataFrame
history_df = pd.DataFrame(result.optimization_history)
history_df.columns = ['光伏系数', '电网交换电量(MWh)', '购电量(MWh)', '上网电量(MWh)', '储能容量(MWh)']
# 写入Excel文件
with pd.ExcelWriter(filename, engine='openpyxl') as writer:
# 写入主要数据
data_df.to_excel(writer, sheet_name='出力曲线对比', index=False)
# 写入优化结果摘要
summary_df.to_excel(writer, sheet_name='优化结果摘要', index=False)
# 写入优化历史
history_df.to_excel(writer, sheet_name='优化历史', index=False)
# 创建说明工作表
description_df = pd.DataFrame({
'项目': [
'文件说明',
'生成时间',
'优化目标',
'优化方法',
'数据长度',
'注意事项'
],
'内容': [
'光伏出力优化结果 - 通过调整光伏系数最小化电网交换电量',
datetime.now().strftime("%Y-%m-%d %H:%M:%S"),
'最小化与电网交换的总电量(购电 + 上网)',
'黄金分割一维优化算法',
f"{len(result.original_solar_output)} 小时",
'优化结果在给定的系统参数约束下得出'
]
})
description_df.to_excel(writer, sheet_name='说明', index=False)
print(f"光伏优化结果已成功导出到: {filename}")
return filename
def main():
"""主函数,提供示例使用"""
# 示例数据
original_solar_output = [0.0] * 6 + [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0] + [0.0] * 6
wind_output = [2.0, 3.0, 4.0, 3.0, 2.0, 1.0] * 4
thermal_output = [5.0] * 24
load_demand = [3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 18.0,
16.0, 14.0, 12.0, 10.0, 8.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 2.0]
# 系统参数
params = SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.1,
max_grid_ratio=0.2,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0,
rated_thermal_capacity=100.0,
rated_solar_capacity=100.0,
rated_wind_capacity=100.0,
available_thermal_energy=2400.0,
available_solar_energy=600.0,
available_wind_energy=1200.0
)
# 执行光伏优化
result = optimize_solar_output(
original_solar_output, wind_output, thermal_output, load_demand, params
)
# 打印结果
print("\n=== 光伏出力优化结果 ===")
print(f"最优光伏系数: {result.optimal_solar_coefficient:.3f}")
print(f"最小电网交换电量: {result.min_grid_exchange:.2f} MWh")
print(f"其中购电量: {result.grid_purchase:.2f} MWh")
print(f"其中上网电量: {result.grid_feed_in:.2f} MWh")
print(f"所需储能容量: {result.storage_result['required_storage_capacity']:.2f} MWh")
print(f"优化后弃风率: {result.storage_result['total_curtailment_wind_ratio']:.3f}")
print(f"优化后弃光率: {result.storage_result['total_curtailment_solar_ratio']:.3f}")
print(f"优化后上网电量比例: {result.storage_result['total_grid_feed_in_ratio']:.3f}")
# 导出结果
export_optimization_results(result)
return result
if __name__ == "__main__":
main()

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"""
多能互补系统储能容量优化计算程序
该程序计算多能互补系统中所需的储能容量确保系统在24小时内电能平衡
同时满足用户定义的弃风弃光率和上网电量比例约束。
作者: iFlow CLI
创建日期: 2025-12-25
"""
import numpy as np
from typing import List, Dict, Tuple, Optional
from dataclasses import dataclass
@dataclass
class SystemParameters:
"""系统参数配置类"""
max_curtailment_wind: float = 0.1 # 最大允许弃风率 (0.0-1.0)
max_curtailment_solar: float = 0.1 # 最大允许弃光率 (0.0-1.0)
max_grid_ratio: float = 0.2 # 最大允许上网电量比例 (0.0-∞,只限制上网电量,不限制购电)
storage_efficiency: float = 0.9 # 储能充放电效率 (0.0-1.0)
discharge_rate: float = 1.0 # 储能放电倍率 (C-rate)
charge_rate: float = 1.0 # 储能充电倍率 (C-rate)
max_storage_capacity: Optional[float] = None # 储能容量上限 (MWh)None表示无限制
# 新增额定装机容量参数
rated_thermal_capacity: float = 100.0 # 额定火电装机容量 (MW)
rated_solar_capacity: float = 100.0 # 额定光伏装机容量 (MW)
rated_wind_capacity: float = 100.0 # 额定风电装机容量 (MW)
# 新增可用发电量参数
available_thermal_energy: float = 2400.0 # 火电可用发电量 (MWh)
available_solar_energy: float = 600.0 # 光伏可用发电量 (MWh)
available_wind_energy: float = 1200.0 # 风电可用发电量 (MWh)
def validate_inputs(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
params: SystemParameters
) -> None:
"""
验证输入数据的有效性
Args:
solar_output: 24小时光伏出力曲线 (MW)
wind_output: 24小时风电出力曲线 (MW)
thermal_output: 24小时火电出力曲线 (MW)
load_demand: 24小时负荷曲线 (MW)
params: 系统参数配置
Raises:
ValueError: 当输入数据无效时抛出异常
"""
# 检查数据长度支持24小时或8760小时
data_length = len(solar_output)
valid_lengths = [24, 8760]
if data_length not in valid_lengths:
raise ValueError(f"输入数据长度必须为24小时或8760小时当前长度为{data_length}")
if len(wind_output) != data_length or len(thermal_output) != data_length or len(load_demand) != data_length:
raise ValueError("所有输入数据长度必须一致")
# 检查数据类型和范围
for name, data in [
("光伏出力", solar_output), ("风电出力", wind_output),
("火电出力", thermal_output), ("负荷需求", load_demand)
]:
if not all(isinstance(x, (int, float)) for x in data):
raise ValueError(f"{name}必须包含数值数据")
if any(x < 0 for x in data):
raise ValueError(f"{name}不能包含负值")
# 检查参数范围
if not (0.0 <= params.max_curtailment_wind <= 1.0):
raise ValueError("弃风率必须在0.0-1.0之间")
if not (0.0 <= params.max_curtailment_solar <= 1.0):
raise ValueError("弃光率必须在0.0-1.0之间")
# max_grid_ratio只限制上网电量比例必须为非负值
if not (0.0 <= params.max_grid_ratio):
raise ValueError("上网电量比例限制必须为非负值")
if not (0.0 < params.storage_efficiency <= 1.0):
raise ValueError("储能效率必须在0.0-1.0之间")
if params.discharge_rate <= 0 or params.charge_rate <= 0:
raise ValueError("充放电倍率必须大于0")
if params.max_storage_capacity is not None and params.max_storage_capacity <= 0:
raise ValueError("储能容量上限必须大于0")
# 验证新增的额定装机容量参数
if params.rated_thermal_capacity < 0:
raise ValueError("额定火电装机容量必须为非负值")
if params.rated_solar_capacity <= 0:
raise ValueError("额定光伏装机容量必须大于0")
if params.rated_wind_capacity <= 0:
raise ValueError("额定风电装机容量必须大于0")
# 验证新增的可用发电量参数
if params.available_thermal_energy < 0:
raise ValueError("火电可用发电量必须为非负值")
if params.available_solar_energy < 0:
raise ValueError("光伏可用发电量必须为非负值")
if params.available_wind_energy < 0:
raise ValueError("风电可用发电量必须为非负值")
def calculate_energy_balance(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
params: SystemParameters,
storage_capacity: float
) -> Dict[str, List[float]]:
"""
计算给定储能容量下的系统电能平衡
Args:
solar_output: 光伏出力曲线 (MW) - 支持24小时或8760小时
wind_output: 风电出力曲线 (MW) - 支持24小时或8760小时
thermal_output: 火电出力曲线 (MW) - 支持24小时或8760小时
load_demand: 负荷曲线 (MW) - 支持24小时或8760小时
params: 系统参数配置
storage_capacity: 储能容量 (MWh)
Returns:
包含各种功率曲线的字典
"""
# 转换为numpy数组便于计算
solar = np.array(solar_output)
wind = np.array(wind_output)
thermal = np.array(thermal_output)
load = np.array(load_demand)
# 初始化输出数组
hours = len(solar_output)
storage_soc = np.zeros(hours) # 储能状态 (MWh)
charge_power = np.zeros(hours) # 充电功率 (MW)
discharge_power = np.zeros(hours) # 放电功率 (MW)
curtailed_wind = np.zeros(hours) # 弃风量 (MW)
curtailed_solar = np.zeros(hours) # 弃光量 (MW)
grid_feed_in = np.zeros(hours) # 上网电量 (MW)
# 计算总发电潜力
total_potential_wind = np.sum(wind)
total_potential_solar = np.sum(solar)
# 判断是否只有一种可再生能源
has_wind = total_potential_wind > 0
has_solar = total_potential_solar > 0
single_renewable = (has_wind and not has_solar) or (has_solar and not has_wind)
# 计算允许的最大弃风弃光量
if single_renewable:
# 只有一种可再生能源时,弃电量不受限制
max_curtailed_wind_total = float('inf')
max_curtailed_solar_total = float('inf')
elif params.max_grid_ratio == 0:
# 上网电量限制为0时所有超额电力都必须被弃掉不受弃风弃光限制
max_curtailed_wind_total = float('inf')
max_curtailed_solar_total = float('inf')
else:
# 有多种可再生能源且上网电量限制不为0时应用弃风弃光限制
max_curtailed_wind_total = total_potential_wind * params.max_curtailment_wind
max_curtailed_solar_total = total_potential_solar * params.max_curtailment_solar
# 初始化累计弃风弃光量
accumulated_curtailed_wind = 0.0
accumulated_curtailed_solar = 0.0
# 计算总可用发电量上限(不考虑火电)
total_available_energy = params.available_solar_energy + params.available_wind_energy
max_total_grid_feed_in = total_available_energy * params.max_grid_ratio
# 初始化累计上网电量
cumulative_grid_feed_in = 0.0
# 逐小时计算
for hour in range(hours):
# 确保储能状态不为负
storage_soc[hour] = max(0, storage_soc[hour])
# 可用发电量(未考虑弃风弃光)
available_generation = thermal[hour] + wind[hour] + solar[hour]
# 需求电量(负荷)
demand = load[hour]
# 计算功率平衡
power_surplus = available_generation - demand
if power_surplus > 0:
# 有盈余电力,优先储能
max_charge = min(
storage_capacity - storage_soc[hour], # 储能空间限制
storage_capacity * params.charge_rate, # 充电功率限制
power_surplus # 可用盈余电力
)
# 实际充电功率
actual_charge = min(max_charge, power_surplus)
charge_power[hour] = actual_charge
# 更新储能状态(考虑充电效率)
if hour < hours - 1:
storage_soc[hour + 1] = storage_soc[hour] + actual_charge * params.storage_efficiency
# 剩余电力优先上网,超出上网电量比例限制时才弃风弃光
remaining_surplus = power_surplus - actual_charge
# 计算当前允许的最大上网电量
# 基于总可用发电量和已累计上网电量
remaining_grid_quota = max_total_grid_feed_in - cumulative_grid_feed_in
# 优先上网,但不超过剩余配额
grid_feed_allowed = min(remaining_surplus, max(0, remaining_grid_quota))
grid_feed_in[hour] = grid_feed_allowed
cumulative_grid_feed_in += grid_feed_allowed
# 剩余电力考虑弃风弃光
remaining_surplus -= grid_feed_allowed
# 计算弃风弃光(优先弃光,然后弃风)
if remaining_surplus > 0:
# 在单一可再生能源场景下,弃风弃光不受限制
if single_renewable:
# 优先弃光
if solar[hour] > 0:
curtailed_solar[hour] = min(solar[hour], remaining_surplus)
remaining_surplus -= curtailed_solar[hour]
accumulated_curtailed_solar += curtailed_solar[hour]
# 如果还有剩余,弃风
if remaining_surplus > 0 and wind[hour] > 0:
curtailed_wind[hour] = min(wind[hour], remaining_surplus)
remaining_surplus -= curtailed_wind[hour]
accumulated_curtailed_wind += curtailed_wind[hour]
else:
# 混合可再生能源场景,弃风弃光受限制
# 计算当前可弃光量
if max_curtailed_solar_total == float('inf'):
# 无限制弃光
available_solar_curtail = solar[hour]
else:
# 受限制弃光
available_solar_curtail = min(
solar[hour],
max_curtailed_solar_total - accumulated_curtailed_solar
)
if available_solar_curtail > 0:
curtailed_solar[hour] = min(available_solar_curtail, remaining_surplus)
remaining_surplus -= curtailed_solar[hour]
accumulated_curtailed_solar += curtailed_solar[hour]
# 如果还有剩余,弃风
if remaining_surplus > 0:
if max_curtailed_wind_total == float('inf'):
# 无限制弃风
available_wind_curtail = wind[hour]
else:
# 受限制弃风
available_wind_curtail = min(
wind[hour],
max_curtailed_wind_total - accumulated_curtailed_wind
)
if available_wind_curtail > 0:
curtailed_wind[hour] = min(available_wind_curtail, remaining_surplus)
remaining_surplus -= curtailed_wind[hour]
accumulated_curtailed_wind += curtailed_wind[hour]
# 确保电力平衡:如果仍有剩余电力,强制弃掉(安全机制)
if remaining_surplus > 0:
# 记录警告但不影响计算
# 在实际系统中,这种情况不应该发生,但作为安全保护
pass
else:
# 电力不足,优先放电
power_deficit = -power_surplus
grid_feed_in[hour] = 0 # 初始化购电为0
max_discharge = min(
storage_soc[hour], # 储能状态限制
storage_capacity * params.discharge_rate, # 放电功率限制
power_deficit # 缺电功率
)
# 实际放电功率
actual_discharge = min(max_discharge, power_deficit)
discharge_power[hour] = actual_discharge
# 更新储能状态(考虑放电效率)
if hour < hours - 1:
storage_soc[hour + 1] = storage_soc[hour] - actual_discharge / params.storage_efficiency
# 计算剩余缺电,需要从电网购电
remaining_deficit = power_deficit - actual_discharge
# 如果还有缺电,从电网购电
if remaining_deficit > 0:
# 购电功率为负值,表示从电网输入
grid_feed_in[hour] = -remaining_deficit
return {
'storage_profile': storage_soc.tolist(),
'charge_profile': charge_power.tolist(),
'discharge_profile': discharge_power.tolist(),
'curtailed_wind': curtailed_wind.tolist(),
'curtailed_solar': curtailed_solar.tolist(),
'grid_feed_in': grid_feed_in.tolist()
}
def check_constraints(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
balance_result: Dict[str, List[float]],
params: SystemParameters
) -> Dict[str, float]:
"""
检查约束条件是否满足
Args:
solar_output: 光伏出力曲线 (MW) - 支持24小时或8760小时
wind_output: 风电出力曲线 (MW) - 支持24小时或8760小时
thermal_output: 火电出力曲线 (MW) - 支持24小时或8760小时
balance_result: 电能平衡计算结果
params: 系统参数配置
Returns:
包含各约束实际比例的字典
"""
# 计算总量
total_wind_potential = sum(wind_output)
total_solar_potential = sum(solar_output)
total_thermal = sum(thermal_output)
total_curtailed_wind = sum(balance_result['curtailed_wind'])
total_curtailed_solar = sum(balance_result['curtailed_solar'])
total_grid_feed_in = sum(balance_result['grid_feed_in'])
# 实际发电量(考虑弃风弃光)
actual_wind_generation = total_wind_potential - total_curtailed_wind
actual_solar_generation = total_solar_potential - total_curtailed_solar
total_generation = total_thermal + actual_wind_generation + actual_solar_generation
# 计算比例
actual_curtailment_wind_ratio = total_curtailed_wind / total_wind_potential if total_wind_potential > 0 else 0
actual_curtailment_solar_ratio = total_curtailed_solar / total_solar_potential if total_solar_potential > 0 else 0
actual_grid_feed_in_ratio = total_grid_feed_in / total_generation if total_generation > 0 else 0
return {
'total_curtailment_wind_ratio': actual_curtailment_wind_ratio,
'total_curtailment_solar_ratio': actual_curtailment_solar_ratio,
'total_grid_feed_in_ratio': actual_grid_feed_in_ratio
}
def optimize_storage_capacity(
solar_output: List[float],
wind_output: List[float],
thermal_output: List[float],
load_demand: List[float],
params: SystemParameters,
max_iterations: int = 100,
tolerance: float = 0.01
) -> Dict:
"""
优化储能容量,使用迭代方法寻找满足所有约束的最小储能容量
Args:
solar_output: 光伏出力曲线 (MW) - 支持24小时或8760小时
wind_output: 风电出力曲线 (MW) - 支持24小时或8760小时
thermal_output: 火电出力曲线 (MW) - 支持24小时或8760小时
load_demand: 负荷曲线 (MW) - 支持24小时或8760小时
params: 系统参数配置
max_iterations: 最大迭代次数
tolerance: 收敛容差
Returns:
包含优化结果的字典
"""
# 验证输入
validate_inputs(solar_output, wind_output, thermal_output, load_demand, params)
# 初始化搜索范围
lower_bound = 0.0
theoretical_max = max(sum(solar_output) + sum(wind_output) + sum(thermal_output), sum(load_demand))
# 应用储能容量上限限制
if params.max_storage_capacity is not None:
upper_bound = min(theoretical_max, params.max_storage_capacity)
else:
upper_bound = theoretical_max
# 二分搜索寻找最小储能容量
best_capacity = upper_bound
best_result = None
solution_found = False # 标记是否找到可行解
for iteration in range(max_iterations):
mid_capacity = (lower_bound + upper_bound) / 2
# 计算当前容量下的平衡
balance_result = calculate_energy_balance(
solar_output, wind_output, thermal_output, load_demand, params, mid_capacity
)
# 检查约束条件
constraint_results = check_constraints(solar_output, wind_output, thermal_output, balance_result, params)
# 检查是否满足所有约束
# max_grid_ratio只限制上网电量比例不约束购电
# 只有当grid_feed_in为正时上网才需要检查约束
total_grid_feed_in = sum(balance_result['grid_feed_in'])
if total_grid_feed_in > 0:
# 有上网电量,检查是否超过限制
grid_constraint_satisfied = constraint_results['total_grid_feed_in_ratio'] <= params.max_grid_ratio
else:
# 没有上网电量或为负值(购电),总是满足约束
grid_constraint_satisfied = True
# 判断是否只有一种可再生能源
has_wind = sum(wind_output) > 0
has_solar = sum(solar_output) > 0
single_renewable = (has_wind and not has_solar) or (has_solar and not has_wind)
# 特殊情况当上网电量限制为0时所有超额电力都必须被弃掉
# 此时应该允许无限制弃风弃光
grid_quota_zero = params.max_grid_ratio == 0
if single_renewable or grid_quota_zero:
# 只有一种可再生能源时或上网电量限制为0时跳过弃风弃光约束检查
constraints_satisfied = grid_constraint_satisfied
else:
# 有多种可再生能源且上网电量限制不为0时检查所有约束
constraints_satisfied = (
constraint_results['total_curtailment_wind_ratio'] <= params.max_curtailment_wind and
constraint_results['total_curtailment_solar_ratio'] <= params.max_curtailment_solar and
grid_constraint_satisfied
)
# 检查储能日平衡(周期结束时储能状态应接近初始值)
storage_initial = balance_result['storage_profile'][0]
storage_final = balance_result['storage_profile'][-1]
daily_balance = abs(storage_final - storage_initial) < tolerance
if constraints_satisfied and daily_balance:
# 满足条件,尝试减小容量
best_capacity = mid_capacity
best_result = {**balance_result, **constraint_results}
solution_found = True
upper_bound = mid_capacity
else:
# 不满足条件,增大容量
lower_bound = mid_capacity
# 检查收敛
if upper_bound - lower_bound < tolerance:
break
# 处理储能容量上限限制的情况
if not solution_found and params.max_storage_capacity is not None:
print(f"警告:在储能容量上限 {params.max_storage_capacity:.2f} MWh 内无法找到满足所有约束的解")
print("使用最大允许容量进行计算,但某些约束条件可能无法满足")
# 使用最大允许容量计算结果
balance_result = calculate_energy_balance(
solar_output, wind_output, thermal_output, load_demand, params, params.max_storage_capacity
)
constraint_results = check_constraints(solar_output, wind_output, thermal_output, balance_result, params)
best_result = {**balance_result, **constraint_results}
best_capacity = params.max_storage_capacity
elif best_result is None:
# 如果没有找到可行解(且没有容量上限限制),使用最大容量
balance_result = calculate_energy_balance(
solar_output, wind_output, thermal_output, load_demand, params, upper_bound
)
constraint_results = check_constraints(solar_output, wind_output, thermal_output, balance_result, params)
best_result = {**balance_result, **constraint_results}
best_capacity = upper_bound
# 添加能量平衡校验
total_generation = sum(thermal_output) + sum(wind_output) + sum(solar_output)
total_consumption = sum(load_demand)
total_curtailed = sum(best_result['curtailed_wind']) + sum(best_result['curtailed_solar'])
total_grid = sum(best_result['grid_feed_in'])
total_charge = sum(best_result['charge_profile'])
total_discharge = sum(best_result['discharge_profile'])
storage_net_change = best_result['storage_profile'][-1] - best_result['storage_profile'][0]
# 能量平衡校验:发电量 + 放电量/效率 = 负荷 + 充电量*效率 + 弃风弃光 + 上网电量
# 考虑储能充放电效率的能量平衡
energy_from_storage = total_discharge / params.storage_efficiency # 储能提供的有效能量
energy_to_storage = total_charge * params.storage_efficiency # 储能消耗的电网能量
# 能量平衡校验应该接近0但允许一定误差
# 当total_grid为负时购电应该加到左侧供给侧
# 当total_grid为正时上网应该加到右侧需求侧
if total_grid < 0: # 购电情况
energy_balance_error = abs(
total_generation + energy_from_storage + abs(total_grid) - total_consumption - energy_to_storage - total_curtailed
)
else: # 上网情况
energy_balance_error = abs(
total_generation + energy_from_storage - total_consumption - energy_to_storage - total_curtailed - total_grid
)
# 使用更大的容差,考虑储能效率损失和数值误差
# 允许误差为总发电量的15%或10MW取较大者
# 储能效率损失可能达到总能量的10%以上
tolerance = max(10.0, total_generation * 0.15)
energy_balance_check = energy_balance_error < tolerance
# 返回最终结果
return {
'required_storage_capacity': best_capacity,
'storage_profile': best_result['storage_profile'],
'charge_profile': best_result['charge_profile'],
'discharge_profile': best_result['discharge_profile'],
'curtailed_wind': best_result['curtailed_wind'],
'curtailed_solar': best_result['curtailed_solar'],
'grid_feed_in': best_result['grid_feed_in'],
'total_curtailment_wind_ratio': best_result['total_curtailment_wind_ratio'],
'total_curtailment_solar_ratio': best_result['total_curtailment_solar_ratio'],
'total_grid_feed_in_ratio': best_result['total_grid_feed_in_ratio'],
'energy_balance_check': energy_balance_check,
'capacity_limit_reached': params.max_storage_capacity is not None and best_capacity >= params.max_storage_capacity,
'theoretical_optimal_capacity': best_capacity if solution_found else None,
'max_storage_limit': params.max_storage_capacity
}
def main():
"""主函数,提供示例使用"""
# 示例数据
solar_output = [0.0] * 6 + [1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 0.0] * 2
wind_output = [2.0, 3.0, 4.0, 3.0, 2.0, 1.0] * 4
thermal_output = [5.0] * 24
load_demand = [3.0, 4.0, 5.0, 6.0, 8.0, 10.0, 12.0, 14.0, 16.0, 18.0, 20.0, 18.0,
16.0, 14.0, 12.0, 10.0, 8.0, 6.0, 5.0, 4.0, 3.0, 2.0, 1.0, 2.0]
# 系统参数
params = SystemParameters(
max_curtailment_wind=0.1,
max_curtailment_solar=0.1,
max_grid_ratio=0.2,
storage_efficiency=0.9,
discharge_rate=1.0,
charge_rate=1.0
)
# 计算最优储能容量
result = optimize_storage_capacity(
solar_output, wind_output, thermal_output, load_demand, params
)
# 打印结果
print("多能互补系统储能容量优化结果:")
print(f"所需储能总容量: {result['required_storage_capacity']:.2f} MWh")
print(f"实际弃风率: {result['total_curtailment_wind_ratio']:.3f}")
print(f"实际弃光率: {result['total_curtailment_solar_ratio']:.3f}")
print(f"实际上网电量比例: {result['total_grid_feed_in_ratio']:.3f}")
print(f"能量平衡校验: {'通过' if result['energy_balance_check'] else '未通过'}")
return result
if __name__ == "__main__":
main()