曹庄枢纽特殊供电方式保护设置优化研究与思考

针对曹庄枢纽特殊供电方式的保护设置进行了全面分析,通过方案优化,在保证动车段内故障可靠跳闸的前提下提高了保护选择性,避免相邻正线和联络线跳闸影响行车。

A comprehensive analysis is made on the protection setting of the special power supply mode of Caozhuang hub.Through scheme optimization,the protection selectivity is improved on the premise of ensuring the reliable tripping of faults in the EMU train depot,so as to avoid the tripping of adjacent main tracks and connecting tracks affecting the train operation.