摘要
介绍了UNS3020a型发电机转子接地保护装置的原理以及存在问题。通过一例600 MW发电机转子一点接地保护装置故障的分析查找,最终发现误动原因并采取措施消除故障,总结了此类故障暴露的问题和防范措施,供同类发电机保护装置运行和设计参考。
The principle and existing problems for rotor grounding protection device of UNS3020a type generator are introduced. The one - point grounding protection fault of 600 MW generator rotor is checked and analyzed, and the causes of the fault are found and the measures are taken to remove the fault. The problems of such kind of faults and the precautionary measures are summarized, which can provide a reference for the operation of its protection device of similar generator and its design.
出处
《四川电力技术》
2015年第2期78-81,共4页
Sichuan Electric Power Technology
关键词
转子一点接地
原理
存在问题
防范措施
one point grounding of rotor
principle
existing problem
precautionary measures
