转子1点接地保护动作分析与措施

Cause Analysis and Measures of Rotor One-point Grounding Protection

针对新乡豫新发电有限责任公司1号发电机乒乓式转子1点接地保护的动作情况,进行了故障查找与原因分析,并采取定期清扫碳刷,将转子1点接地保护改为转子2点接地保护以及恢复绝缘监察装置等措施,保证了机组的安全运行。

In the point of one-point grounding protection for ping-pong type rotor or unit one generator in Yuxin Generation Co. , Ltd, fault search and cause analysis are done in this article, and some measures are taken in the point of the faults such as cleaning the carbon brush periodically, changing rotor one-point grounding protection to two-point grounding protection and recovering insulation monitoring device. These measures guarantee the unit to be operated safely.