真空开关柜电动机(6kV带差动保护）开关柜的故障可分成电气绝缘故障和机械故障，故障较多的有以下四种类型：真空开关柜装配的隔离开关支柱绝缘子爬距不够造成的表面闪络短路；-Vacuum switch Motor (6kV with differential protection) of the switch cabinet can be divided into electrical insulation fault failure and mechanical failure, fault mor