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

作　　者：路小锋 LU Xiaofeng(Hydro-power Plant of Tianshengqiao-1 Hydro-power Development Co.,Ltd.,Xingyi 562400)

机构地区：[1]天生桥一级水电开发有限责任公司水力发电厂,贵州兴义562400

出　　处：《电力安全技术》2023年第5期29-31,共3页Electric Safety Technology

摘　　要：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.

关 键 词：水力发电 励磁系统 灭磁电阻 转子接地保护 

分 类 号：TM622[电气工程—电力系统及自动化]