本文首先介绍了电力系统的潮流计算的过程和方法步骤，然后建立模型进行仿真-This paper introduces the trend of power system and methods of computation steps in the process, and then build the model for simulation

二极管资料大全，对于常用二极管有极大的帮助-wo kan ni shi zhen bu dong ying yu