花园变LW6-500型开关机构回油管冻裂原因分析及改进

Frost Crack Reason Analysis and Improvement of LW6-500 Type Switchgear's Oil Return Pipe in Huayuan Substation

文章对花园变LW6 - 5 0 0型开关操作机构运行中所存在的机构回油管冻裂事故进行分析 。

The paper analyses the present problems of oil return pipe's frost crack accident which exists in Huayuan substation's LW6-500 type switchgear operation,and introduces the improvement method and its effects.