The cause of 500kV CVT damage during service was analyzed through test and fault localization. The resolving method for similar problem was raised and the aspect that attention should be paid during acceptance test at factory was pointed out. ?

• 通过对某500kV变电站运行的500kVCVT运行损坏原因的试验查找,故障位置判断并分析损坏原因,提供了类似问题的处理方法及在CVT出厂验收时应注意的问题。