分布式电源型电力系统对称故障电流特性研究

Research on Symmetric Fault Current Characteristics of Distributed Power Systems

本研究分析了电网发生对称故障时,故障电流的解析方法,为继电保护系统提供故障电流计算依据。仿真结果表明:所提出的方法准确性较高,且控制器参数不同时,其性能不受影响,通用性强。

This paper analyzes the analytical method of fault current when symmetrical fault occurs in power grid,which provides the basis for fault current calculation of relay protection system.The simulation results show that the proposed method has high accuracy,and its performance is not affected when the controller parameters are different.