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cc98c27800
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cc98c27800 | |
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6a123b6213 |
6
core.py
6
core.py
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@ -21,6 +21,7 @@ class Parameter:
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h_arm: float # 导、地线垂直坐标
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altitude: int # 海拔,单位米
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max_i: float # 最大尝试电流,单位kA
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rated_voltage: float # 额定电压
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para = Parameter()
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@ -186,7 +187,10 @@ def solve_circle_line_intersection(
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def min_i(string_len, u_ph):
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# 海拔修正
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altitude = para.altitude
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k_a = math.exp(altitude / 8150) # 气隙海拔修正
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if altitude > 1000:
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k_a = math.exp(altitude / 8150) # 气隙海拔修正
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else:
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k_a = 1
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u_50 = 1 / k_a * (530 * string_len + 35) # 50045 上附录的公式,实际应该用负极性电压的公式
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z_0 = 300 # 雷电波阻抗
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z_c = 251 # 导线波阻抗
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45
main.py
45
main.py
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@ -5,29 +5,25 @@ from loguru import logger
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from core import *
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import timeit
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# 打印参数
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def parameter_display(para: Parameter):
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logger.info(f"额定电压 kV {para.rated_voltage}")
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logger.info(f"导线弧垂 m {para.h_c_sag}")
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logger.info(f"地线弧垂 m {para.h_g_sag}")
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logger.info(f"全塔高 m {para.h_whole}")
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logger.info(f"串绝缘距离 m {para.insulator_c_len}")
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logger.info(f"导线串长 m {para.string_c_len}")
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logger.info(f"地线串长 m {para.string_g_len}")
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logger.info(f"挂点垂直坐标 m {para.h_arm}")
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logger.info(f"挂点水平坐标 m {para.gc_x}")
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logger.info(f"地面倾角 ° {[an*180/math.pi for an in para.ground_angels]}")
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logger.info(f"海拔高度 m {para.altitude}")
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logger.info(f"雷暴日 d {para.td}")
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def egm():
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if len(sys.argv) < 2:
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toml_file_path = "default.toml"
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# # logger.info('没指定计算文件!程序结束。')
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# # sys.exit(0)
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# h_g_sag = 20 # 地线弧垂
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# h_c_sag = 20 # 导线弧垂
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# h_whole = 106.1 # 杆塔全高
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# voltage_n = 3 # 工作电压分成多少份来计算
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# td = 20 # 雷暴日
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# insulator_c_len = 6.98 # 串子绝缘长度
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# string_c_len = 9.2
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# string_g_len = 0.63
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# gc_x = [32.2 / 2, 32.2 / 2, 15, 17.0] # 导、地线水平坐标
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# ground_angels = [40 / 180 * math.pi] # 地面倾角,向下为正
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# h_arm = 34
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# gc_y = [
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# h_whole - string_g_len - h_g_sag * 2 / 3, # 地线对地平均高
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# # h_whole - string_c_len - h_c_sag - 2.7, # 导线对地平均高
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# h_whole - string_c_len - h_c_sag * 2 / 3 - h_arm, # 导线对地平均高
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# # h_whole - string_c_len - h_c_sag - 35.7, # 导线对地平均高
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# ]
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else:
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toml_file_path = sys.argv[1]
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logger.info(f"读取文件{toml_file_path}")
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@ -48,10 +44,12 @@ def egm():
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para.h_arm = toml_parameter["h_arm"]
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para.altitude = toml_parameter["altitude"]
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para.max_i = toml_parameter["max_i"]
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para.rated_voltage = toml_parameter["rated_voltage"]
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toml_optional = toml_dict["optional"]
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para.voltage_n = toml_optional["voltage_n"] # 工作电压分成多少份来计算
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#########################################################
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# 以上是需要设置的参数
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parameter_display(para)
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h_whole = para.h_whole
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string_g_len = para.string_g_len
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string_c_len = para.string_c_len
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@ -296,7 +294,14 @@ def egm():
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# if abs(calculus-0.05812740052770032)<1e-5:
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# abc=123
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# pass
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n_sf = 2 * ng / 10 * calculus * arc_possibility(750, insulator_c_len)
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rated_voltage = para.rated_voltage
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n_sf = (
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2
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* ng
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/ 10
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* calculus
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* arc_possibility(rated_voltage, insulator_c_len)
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)
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avr_n_sf += n_sf / voltage_n
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n_sf_phases[phase_conductor_foo][u_bar] = n_sf
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logger.info(f"工作电压为{u_ph:.2f}kV时,跳闸率是{n_sf:.6}")
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