中文摘要：

为解决传统配电网继电保护系统难以应对多微网并网运行的问题,提出一种主从式的区域纵联保护系统。根据网络结构和当前运行方式形成网络拓扑结构矩阵,根据被保护线路上各点的故障方向信息形成故障信息矩阵,通过对2个矩阵进行简单的乘法运算,即可快速、可靠地检测出故障所在位置,其灵敏度和可靠性基本不受微网容量和并网位置的影响。分析了保护单元或通信系统工作异常所导致的故障信息不完备对故障检测算法的影响,并对算法的容错性进行了研究。

英文摘要：

A master-slave regional pilot protection system is proposed for distribution system with multi micro-grids.The relationship matrix is defined based on the network configuration and its operating mode and the fault information matrix is defined based on the direction information of faults at different points of protected line.The faulty section can be detected quickly and reliably by simple multiplication calculation of two matrixes.The sensitivity and reliability are almost immune to the capacity of micro-grid and its connection position.The influence of incomplete fault information on faulty section detection algorithm is analyzed and the error tolerance of the algorithm is studied.