中文说明：交直流潮流计算方法，交替算法，带界面船设计。包括PQ快速潮流计算、牛顿拉夫逊潮流计算详细程序，以及直流潮流计算程序，基于11节点算例进行求解，循环4次即可收敛。
English Description：
AC / DC power flow calculation method, alternating algorithm, ship design with interface. It includes PQ fast power flow calculation, Newton Raphson power flow calculation detailed program, and DC power flow calculation program. Based on the 11 node example, the solution can converge after 4 cycles.