励磁系统常见故障分析

Analysis on the Common Faults of Excitation System

对山西兴能发电有限责任公司机组的励磁系统故障报警、励磁变过流保护动作跳闸、励磁变差动保护动作发电机跳闸、发电机失磁解列等常见故障进行了分析,找出了故障原因,提出了防范措施。

This paper analyzes some common faults of the excitation system of the units in Shanxi Xingneng Power Generation Co., LTD such as the fault alarm, the tripping operation in excitation transformer′s differential protection, and generator′s excitation-loss solution columns, etc., finds out the reasons of these faults, and puts forward some precautionary measures.