电力系统中基于前推回代的配电系统潮流算法-Power system based on the first push back on behalf of distribution system load flow algorithm

Radial distribution system load flow program.

牵引供电系统的潮流计算，电力机车等效为PQ负荷，计算牵引网电压分布-Traction power supply system power flow calculation, electric locomotive equivalent PQ load, calculate the traction network voltage distribution