HXD2型机车主接触器故障及解决方法

Failure and Managing Methods of Master Contactor of Locomotive HXD2

文章分析了HXD2型机车主接触器故障原因,并提出用云母片代替原灭弧栅陶瓷绝缘片、并联辅助连锁、更换驱动活塞密封圈以及驱动风缸安装加热套的解决方案,方案的实施情况良好,针对改进情况进行了经验总结。

The paper analyzes the failure reasons of HXD2 locomotive master contactor, and proposes a solution which uses mica thickness replace arc chute ceramic insulation thickness, and parallels auxiliary interlocking, and renewals the driving piston seal rings, and installs heat cover on the driving air cylinder. The solution implements well, and this paper summarizes the experience of the improved situation.