修复了储能电量不平衡的问题。
This commit is contained in:
89
main.py
89
main.py
@@ -25,11 +25,11 @@ plt.rcParams['font.sans-serif'] = ['SimHei', 'Microsoft YaHei', 'DejaVu Sans']
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plt.rcParams['axes.unicode_minus'] = False
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plt.rcParams['axes.unicode_minus'] = False
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def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, storage_efficiency=0.9, show_window=False, display_only=False):
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def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, storage_efficiency=0.9, show_window=False, display_only=False, output_dir=None):
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"""
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"""
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绘制系统运行曲线
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绘制系统运行曲线
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Args:
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Args:
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solar_output: 光伏出力曲线 (MW) - 支持24小时或8760小时
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solar_output: 光伏出力曲线 (MW) - 支持24小时或8760小时
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wind_output: 风电出力曲线 (MW) - 支持24小时或8760小时
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wind_output: 风电出力曲线 (MW) - 支持24小时或8760小时
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thermal_output: 火电出力曲线 (MW) - 支持24小时或8760小时
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thermal_output: 火电出力曲线 (MW) - 支持24小时或8760小时
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@@ -37,6 +37,7 @@ def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, r
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result: 优化结果字典
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result: 优化结果字典
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show_window: 是否显示图形窗口
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show_window: 是否显示图形窗口
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display_only: 是否只显示不保存文件
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display_only: 是否只显示不保存文件
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output_dir: 输出目录路径,默认为 None(当前目录)
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"""
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"""
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import matplotlib.pyplot as plt
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import matplotlib.pyplot as plt
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import numpy as np
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import numpy as np
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@@ -148,15 +149,17 @@ def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, r
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plt.tight_layout()
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plt.tight_layout()
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# 根据参数决定是否保存和显示图形
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# 根据参数决定是否保存和显示图形
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if display_only:
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if not display_only:
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# 只显示,不保存
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# 确定输出目录
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try:
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if output_dir is None:
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plt.show()
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output_dir = 'results'
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except Exception as e:
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print(f"无法显示图形窗口:{str(e)}")
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# 创建输出目录(如果不存在)
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else:
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os.makedirs(output_dir, exist_ok=True)
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# 保存图片
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plt.savefig('system_curves.png', dpi=300, bbox_inches='tight')
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# 保存图片到指定目录
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output_path = os.path.join(output_dir, 'system_curves.png')
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plt.savefig(output_path, dpi=300, bbox_inches='tight')
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# 根据参数决定是否显示图形窗口
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# 根据参数决定是否显示图形窗口
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if show_window:
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if show_window:
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@@ -164,7 +167,7 @@ def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, r
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plt.show()
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plt.show()
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except Exception as e:
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except Exception as e:
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print(f"无法显示图形窗口:{str(e)}")
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print(f"无法显示图形窗口:{str(e)}")
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print("图形已保存为 'system_curves.png'")
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print(f"图形已保存为 '{output_path}'")
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else:
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else:
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plt.close() # 关闭图形,不显示窗口
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plt.close() # 关闭图形,不显示窗口
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@@ -238,7 +241,7 @@ def plot_system_curves(solar_output, wind_output, thermal_output, load_demand, r
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print(f"储能损耗率: {(storage_loss/total_charge*100) if total_charge > 0 else 0:.2f}%")
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print(f"储能损耗率: {(storage_loss/total_charge*100) if total_charge > 0 else 0:.2f}%")
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def export_results_to_excel(solar_output, wind_output, thermal_output, load_demand, result, params, filename=None):
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def export_results_to_excel(solar_output, wind_output, thermal_output, load_demand, result, params, filename=None, output_dir=None):
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"""
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"""
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将多能互补系统储能优化结果导出到Excel文件,包含运行数据、统计结果和系统参数。
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将多能互补系统储能优化结果导出到Excel文件,包含运行数据、统计结果和系统参数。
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@@ -262,6 +265,7 @@ def export_results_to_excel(solar_output, wind_output, thermal_output, load_dema
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- capacity_limit_reached: 容量限制是否达到
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- capacity_limit_reached: 容量限制是否达到
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params (object): 系统参数对象,包含各种技术参数
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params (object): 系统参数对象,包含各种技术参数
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filename (str, optional): 输出文件名,如未提供则自动生成
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filename (str, optional): 输出文件名,如未提供则自动生成
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output_dir (str, optional): 输出目录路径,默认为 None(使用 results 目录)
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Returns:
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Returns:
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str: 生成的Excel文件路径
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str: 生成的Excel文件路径
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@@ -288,7 +292,17 @@ def export_results_to_excel(solar_output, wind_output, thermal_output, load_dema
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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filename = f"storage_optimization_results_{timestamp}.xlsx"
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filename = f"storage_optimization_results_{timestamp}.xlsx"
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print(f"\n正在导出结果到Excel文件: {filename}")
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# 确定输出目录
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if output_dir is None:
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output_dir = 'results'
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# 创建输出目录(如果不存在)
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os.makedirs(output_dir, exist_ok=True)
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# 构建完整的输出路径
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output_path = os.path.join(output_dir, filename)
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print(f"\n正在导出结果到Excel文件: {output_path}")
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# 准备数据
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# 准备数据
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hours = list(range(1, len(solar_output) + 1))
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hours = list(range(1, len(solar_output) + 1))
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@@ -410,7 +424,7 @@ def export_results_to_excel(solar_output, wind_output, thermal_output, load_dema
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})
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})
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# 写入Excel文件
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# 写入Excel文件
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with pd.ExcelWriter(filename, engine='openpyxl') as writer:
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with pd.ExcelWriter(output_path, engine='openpyxl') as writer:
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# 写入主要数据
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# 写入主要数据
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data_df.to_excel(writer, sheet_name='运行数据', index=False)
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data_df.to_excel(writer, sheet_name='运行数据', index=False)
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@@ -439,8 +453,8 @@ def export_results_to_excel(solar_output, wind_output, thermal_output, load_dema
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})
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})
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description_df.to_excel(writer, sheet_name='说明', index=False)
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description_df.to_excel(writer, sheet_name='说明', index=False)
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print(f"结果已成功导出到: {filename}")
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print(f"结果已成功导出到: {output_path}")
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return filename
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return output_path
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def generate_yearly_data():
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def generate_yearly_data():
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@@ -492,6 +506,17 @@ def main():
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show_window = '--show' in sys.argv # 检查是否包含--show参数
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show_window = '--show' in sys.argv # 检查是否包含--show参数
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display_only = '--display-only' in sys.argv # 检查是否只显示不保存
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display_only = '--display-only' in sys.argv # 检查是否只显示不保存
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# 解析输出目录参数
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output_dir = None
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if '--output' in sys.argv:
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output_index = sys.argv.index('--output')
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if output_index + 1 < len(sys.argv):
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output_dir = sys.argv[output_index + 1]
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else:
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print("错误:--output 参数需要指定目录路径")
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print("用法:python main.py --output <目录路径>")
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return
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if command == '--excel':
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if command == '--excel':
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if len(sys.argv) < 3:
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if len(sys.argv) < 3:
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print("错误:请指定Excel文件路径")
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print("错误:请指定Excel文件路径")
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@@ -619,38 +644,46 @@ def main():
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# 绘制曲线
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# 绘制曲线
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print("正在绘制系统运行曲线...")
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print("正在绘制系统运行曲线...")
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plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, params.storage_efficiency, show_window, display_only)
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plot_system_curves(solar_output, wind_output, thermal_output, load_demand, result, params.storage_efficiency, show_window, display_only, output_dir)
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# 导出结果到Excel
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# 导出结果到Excel
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try:
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try:
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export_results_to_excel(solar_output, wind_output, thermal_output, load_demand, result, params)
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export_results_to_excel(solar_output, wind_output, thermal_output, load_demand, result, params, output_dir=output_dir)
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except Exception as e:
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except Exception as e:
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print(f"导出Excel文件失败:{str(e)}")
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print(f"导出Excel文件失败:{str(e)}")
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if display_only:
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if display_only:
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print("\n正在显示图形窗口...")
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print("\n正在显示图形窗口...")
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elif show_window:
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elif show_window:
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print("\n曲线图已保存为 'system_curves.png' 并显示图形窗口")
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output_path = os.path.join(output_dir if output_dir else 'results', 'system_curves.png')
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print(f"\n曲线图已保存为 '{output_path}' 并显示图形窗口")
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else:
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else:
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print("\n曲线图已保存为 'system_curves.png'")
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output_path = os.path.join(output_dir if output_dir else 'results', 'system_curves.png')
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print(f"\n曲线图已保存为 '{output_path}'")
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def print_usage():
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def print_usage():
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"""打印使用说明"""
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"""打印使用说明"""
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print("多能互补系统储能容量优化程序")
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print("多能互补系统储能容量优化程序")
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print("\n使用方法:")
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print("\n使用方法:")
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print(" python main.py --excel <文件路径> # 从Excel文件读取数据")
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print(" python main.py --excel <文件路径> # 从Excel文件读取数据")
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print(" python main.py --output <目录路径> # 指定输出目录(默认:results)")
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print(" python main.py --create-template [类型] # 创建Excel模板(24或8760)")
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print(" python main.py --create-template [类型] # 创建Excel模板(24或8760)")
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print(" python main.py # 使用24小时示例数据")
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print(" python main.py # 使用24小时示例数据")
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print(" python main.py --show # 显示图形窗口(可与其他参数组合使用)")
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print(" python main.py --show # 显示图形窗口(可与其他参数组合使用)")
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print(" python main.py --display-only # 只显示图形窗口,不保存文件")
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print(" python main.py --display-only # 只显示图形窗口,不保存文件")
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print("\n示例:")
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print("\n示例:")
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print(" python main.py --excel data.xlsx")
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print(" python main.py --excel data.xlsx")
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print(" python main.py --excel data.xlsx --show")
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print(" python main.py --excel data.xlsx --show")
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print(" python main.py --excel data.xlsx --output my_results")
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print(" python main.py --excel data.xlsx --display-only")
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print(" python main.py --excel data.xlsx --display-only")
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print(" python main.py --create-template 8760")
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print(" python main.py --create-template 8760")
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print(" python main.py --create-template 24")
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print(" python main.py --create-template 24")
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print(" python main.py --display-only # 使用示例数据并只显示图形窗口")
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print(" python main.py --display-only # 使用示例数据并只显示图形窗口")
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print(" python main.py --output custom_results # 使用示例数据,输出到 custom_results 目录")
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print("\n说明:")
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print(" - 结果文件默认保存到 results 目录")
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print(" - 使用 --output 参数可指定自定义输出目录")
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print(" - 如果输出目录不存在,程序会自动创建")
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if __name__ == "__main__":
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if __name__ == "__main__":
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@@ -109,7 +109,8 @@ def calculate_energy_balance(
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thermal_output: List[float],
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thermal_output: List[float],
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load_demand: List[float],
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load_demand: List[float],
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params: SystemParameters,
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params: SystemParameters,
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storage_capacity: float
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storage_capacity: float,
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initial_soc: float = 0.0
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) -> Dict[str, List[float]]:
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) -> Dict[str, List[float]]:
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"""
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"""
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计算给定储能容量下的系统电能平衡
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计算给定储能容量下的系统电能平衡
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@@ -121,6 +122,7 @@ def calculate_energy_balance(
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load_demand: 负荷曲线 (MW) - 支持24小时或8760小时
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load_demand: 负荷曲线 (MW) - 支持24小时或8760小时
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params: 系统参数配置
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params: 系统参数配置
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storage_capacity: 储能容量 (MWh)
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storage_capacity: 储能容量 (MWh)
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initial_soc: 初始储能状态 (MWh),默认为0.0
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Returns:
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Returns:
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包含各种功率曲线的字典
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包含各种功率曲线的字典
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@@ -140,11 +142,14 @@ def calculate_energy_balance(
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curtailed_solar = np.zeros(hours) # 弃光量 (MW)
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curtailed_solar = np.zeros(hours) # 弃光量 (MW)
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grid_feed_in = np.zeros(hours) # 上网电量 (MW)
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grid_feed_in = np.zeros(hours) # 上网电量 (MW)
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# 设置初始储能状态
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storage_soc[0] = initial_soc
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# 计算总发电潜力
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# 计算总发电潜力
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total_potential_wind = np.sum(wind)
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total_potential_wind = np.sum(wind)
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total_potential_solar = np.sum(solar)
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total_potential_solar = np.sum(solar)
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# 判断是否只有一种可再生能源
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# 判断是否只有一种可再生能源
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has_wind = total_potential_wind > 0
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has_wind = total_potential_wind > 0
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has_solar = total_potential_solar > 0
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has_solar = total_potential_solar > 0
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single_renewable = (has_wind and not has_solar) or (has_solar and not has_wind)
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single_renewable = (has_wind and not has_solar) or (has_solar and not has_wind)
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@@ -176,8 +181,8 @@ def calculate_energy_balance(
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# 逐小时计算
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# 逐小时计算
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for hour in range(hours):
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for hour in range(hours):
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# 确保储能状态不为负
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# 确保储能状态不为负且不超过容量
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storage_soc[hour] = max(0, storage_soc[hour])
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storage_soc[hour] = max(0, min(storage_capacity, storage_soc[hour]))
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# 可用发电量(未考虑弃风弃光)
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# 可用发电量(未考虑弃风弃光)
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available_generation = thermal[hour] + wind[hour] + solar[hour]
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available_generation = thermal[hour] + wind[hour] + solar[hour]
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@@ -312,6 +317,83 @@ def calculate_energy_balance(
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}
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}
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def find_periodic_steady_state(
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solar_output: List[float],
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wind_output: List[float],
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thermal_output: List[float],
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load_demand: List[float],
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params: SystemParameters,
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storage_capacity: float,
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soc_convergence_threshold: float = 0.001,
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max_iterations: int = 100
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) -> Dict[str, List[float]]:
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"""
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通过迭代找到满足周期性平衡的储能初始状态
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步骤:
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1. 从初始SOC=0开始,运行一次全年仿真,记录最后一小时的SOC值
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2. 将这个SOC值作为新的"初始SOC",再次运行仿真
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3. 重复上述过程,直到首尾SOC的差值小于设定的阈值
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Args:
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solar_output: 光伏出力曲线 (MW) - 支持24小时或8760小时
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wind_output: 风电出力曲线 (MW) - 支持24小时或8760小时
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thermal_output: 火电出力曲线 (MW) - 支持24小时或8760小时
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||||||
|
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)
|
||||||
|
soc_convergence_threshold: SOC收敛阈值(相对于容量的比例),默认0.1%
|
||||||
|
max_iterations: 最大迭代次数
|
||||||
|
|
||||||
|
Returns:
|
||||||
|
包含各种功率曲线的字典,且满足周期性平衡条件
|
||||||
|
"""
|
||||||
|
# 计算收敛阈值的绝对值
|
||||||
|
absolute_threshold = storage_capacity * soc_convergence_threshold
|
||||||
|
|
||||||
|
# 初始SOC从0开始
|
||||||
|
initial_soc = 0.0
|
||||||
|
iteration = 0
|
||||||
|
soc_diff = float('inf')
|
||||||
|
|
||||||
|
print(f"正在寻找周期性平衡状态(SOC收敛阈值: {absolute_threshold:.4f} MWh)...")
|
||||||
|
|
||||||
|
while iteration < max_iterations and soc_diff > absolute_threshold:
|
||||||
|
# 运行仿真
|
||||||
|
balance_result = calculate_energy_balance(
|
||||||
|
solar_output, wind_output, thermal_output, load_demand,
|
||||||
|
params, storage_capacity, initial_soc
|
||||||
|
)
|
||||||
|
|
||||||
|
# 获取初始和最终的SOC
|
||||||
|
storage_initial = balance_result['storage_profile'][0]
|
||||||
|
storage_final = balance_result['storage_profile'][-1]
|
||||||
|
|
||||||
|
# 计算SOC差值
|
||||||
|
soc_diff = abs(storage_final - storage_initial)
|
||||||
|
|
||||||
|
# 更新初始SOC(使用最终SOC作为下一次的初始SOC)
|
||||||
|
initial_soc = storage_final
|
||||||
|
|
||||||
|
# 确保SOC在合理范围内
|
||||||
|
initial_soc = max(0, min(storage_capacity, initial_soc))
|
||||||
|
|
||||||
|
iteration += 1
|
||||||
|
|
||||||
|
# 输出迭代信息(每10次迭代或最后一次)
|
||||||
|
if iteration % 10 == 0 or iteration == 1 or soc_diff <= absolute_threshold:
|
||||||
|
print(f" 迭代 {iteration}: 初始SOC={storage_initial:.4f} MWh, "
|
||||||
|
f"最终SOC={storage_final:.4f} MWh, 差值={soc_diff:.4f} MWh")
|
||||||
|
|
||||||
|
# 输出收敛结果
|
||||||
|
if soc_diff <= absolute_threshold:
|
||||||
|
print(f"✓ 周期性平衡收敛成功(迭代{iteration}次,SOC差值={soc_diff:.4f} MWh)")
|
||||||
|
else:
|
||||||
|
print(f"⚠ 未达到收敛条件(迭代{iteration}次,SOC差值={soc_diff:.4f} MWh)")
|
||||||
|
|
||||||
|
return balance_result
|
||||||
|
|
||||||
|
|
||||||
def check_constraints(
|
def check_constraints(
|
||||||
solar_output: List[float],
|
solar_output: List[float],
|
||||||
wind_output: List[float],
|
wind_output: List[float],
|
||||||
@@ -395,6 +477,13 @@ def optimize_storage_capacity(
|
|||||||
else:
|
else:
|
||||||
upper_bound = theoretical_max
|
upper_bound = theoretical_max
|
||||||
|
|
||||||
|
# 判断数据类型(24小时或8760小时)
|
||||||
|
data_length = len(solar_output)
|
||||||
|
is_yearly_data = data_length == 8760
|
||||||
|
|
||||||
|
if is_yearly_data:
|
||||||
|
print(f"处理8760小时全年数据,启用周期性平衡优化...")
|
||||||
|
|
||||||
# 二分搜索寻找最小储能容量
|
# 二分搜索寻找最小储能容量
|
||||||
best_capacity = upper_bound
|
best_capacity = upper_bound
|
||||||
best_result = None
|
best_result = None
|
||||||
@@ -404,9 +493,17 @@ def optimize_storage_capacity(
|
|||||||
mid_capacity = (lower_bound + upper_bound) / 2
|
mid_capacity = (lower_bound + upper_bound) / 2
|
||||||
|
|
||||||
# 计算当前容量下的平衡
|
# 计算当前容量下的平衡
|
||||||
balance_result = calculate_energy_balance(
|
# 对于8760小时数据,使用周期性平衡函数
|
||||||
solar_output, wind_output, thermal_output, load_demand, params, mid_capacity
|
# 对于24小时数据,使用普通平衡函数(初始SOC=0)
|
||||||
)
|
if is_yearly_data:
|
||||||
|
balance_result = find_periodic_steady_state(
|
||||||
|
solar_output, wind_output, thermal_output, load_demand,
|
||||||
|
params, mid_capacity
|
||||||
|
)
|
||||||
|
else:
|
||||||
|
balance_result = calculate_energy_balance(
|
||||||
|
solar_output, wind_output, thermal_output, load_demand, params, mid_capacity
|
||||||
|
)
|
||||||
|
|
||||||
# 检查约束条件
|
# 检查约束条件
|
||||||
constraint_results = check_constraints(solar_output, wind_output, thermal_output, balance_result, params)
|
constraint_results = check_constraints(solar_output, wind_output, thermal_output, balance_result, params)
|
||||||
@@ -467,17 +564,29 @@ def optimize_storage_capacity(
|
|||||||
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")
|
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
|
# 使用最大允许容量计算结果
|
||||||
balance_result = calculate_energy_balance(
|
if is_yearly_data:
|
||||||
solar_output, wind_output, thermal_output, load_demand, params, params.max_storage_capacity
|
balance_result = find_periodic_steady_state(
|
||||||
)
|
solar_output, wind_output, thermal_output, load_demand,
|
||||||
|
params, params.max_storage_capacity
|
||||||
|
)
|
||||||
|
else:
|
||||||
|
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)
|
constraint_results = check_constraints(solar_output, wind_output, thermal_output, balance_result, params)
|
||||||
best_result = {**balance_result, **constraint_results}
|
best_result = {**balance_result, **constraint_results}
|
||||||
best_capacity = params.max_storage_capacity
|
best_capacity = params.max_storage_capacity
|
||||||
elif best_result is None:
|
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
|
# 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(
|
if is_yearly_data:
|
||||||
solar_output, wind_output, thermal_output, load_demand, params, upper_bound
|
balance_result = find_periodic_steady_state(
|
||||||
)
|
solar_output, wind_output, thermal_output, load_demand,
|
||||||
|
params, upper_bound
|
||||||
|
)
|
||||||
|
else:
|
||||||
|
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)
|
constraint_results = check_constraints(solar_output, wind_output, thermal_output, balance_result, params)
|
||||||
best_result = {**balance_result, **constraint_results}
|
best_result = {**balance_result, **constraint_results}
|
||||||
best_capacity = upper_bound
|
best_capacity = upper_bound
|
||||||
@@ -513,6 +622,14 @@ def optimize_storage_capacity(
|
|||||||
tolerance = max(10.0, total_generation * 0.15)
|
tolerance = max(10.0, total_generation * 0.15)
|
||||||
energy_balance_check = energy_balance_error < tolerance
|
energy_balance_check = energy_balance_error < tolerance
|
||||||
|
|
||||||
|
# 输出周期性平衡信息
|
||||||
|
if is_yearly_data:
|
||||||
|
soc_initial_final_diff = abs(best_result['storage_profile'][-1] - best_result['storage_profile'][0])
|
||||||
|
print(f"\n周期性平衡信息:")
|
||||||
|
print(f" 初始SOC: {best_result['storage_profile'][0]:.4f} MWh")
|
||||||
|
print(f" 最终SOC: {best_result['storage_profile'][-1]:.4f} MWh")
|
||||||
|
print(f" SOC差值: {soc_initial_final_diff:.4f} MWh")
|
||||||
|
|
||||||
# 返回最终结果
|
# 返回最终结果
|
||||||
return {
|
return {
|
||||||
'required_storage_capacity': best_capacity,
|
'required_storage_capacity': best_capacity,
|
||||||
|
|||||||
Reference in New Issue
Block a user