励磁系统过压保护元件烧损故障分析及改进

Analysis on a Partial Burning Event of Over-voltage Protection Element of Excitation System

针对某电厂发电机运行过程中发生的励磁系统灭磁元器件部分烧损事件,介绍了事件检查过程和处理情况,分析了事件原因并提出了相应的安全防范措施,为电厂防止类似事故发生提供了参考。

As for the partial burning of a deexcitation element in the generator excitation system of a power plant during its operation,an overview on the checking process and settlement of the event is described,analyses are made on the cause of the event and the preventive countermeasures are put forward,which offers reference for preventing similar accidents.