中文说明：潮流计算程序 采用前推回代方法。在配电网的潮流计算中，与输电网不同，输电网是闭环运行。配电网开环运行
English Description：
The forward backward method is used in the power flow calculation program. In power flow calculation of distribution network, different from transmission network, transmission network is closed-loop operation. Open loop operation of distribution network