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Analysis and preventive measures of generator stator ground fault protection action
Author(s): 
Pages: 111-114,131
Year: Issue:  5
Journal: Relay

Keyword:  定子接地保护三次谐波措施;
Abstract: 介绍某电厂三起发电机定子接地保护信号报警、动作跳闸事件.重点介绍了事件处理情况,对事件发生原因进行了分析和判断,提出相应的防范措施.发电机出现定子接地故障报警后,应根据现场保护及设备动作情况,及时分析原因,做出准确判断,快速消除设备隐患,保障机组和电网安全运行.
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