特高压直流输电线路差动保护改进方案

夏经德,罗金玉,高淑萍,焦作滨,邵文权,黄新波

Improved scheme for differential protection of UHVDC transmission lines

Jing-de XIA,Jin-yu LUO,shu-ping GAO,zai-bin JIAO,wen-quan SHAO,Xin-bo HUANG

图 6 不同同步误差情况下正极线路内部故障时的仿真结果

Fig.6 Simulation results of internal faults at positive pole un-der different unsynchronized data