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 4 逆变侧交流母线单相金属性接地故障时的仿真结果

Fig.4 Simulation results at positive pole when metallic ground fault occurs beyond line on inverting side