220kV母线倒闸误操作引起的PT反充电事件分析  

Analysis of PT Reverse Charging Event Caused by 220 kV Busbar Misoperation

作　　者：钟文华 李增辉 ZHONG Wenhua;LI Zenghui(Guangdong Guohua Yuedian Taishan Power Generation Co.,Ltd.,Taishan 529228,China)

机构地区：[1]广东国华粤电台山发电有限公司,广东台山529228

出　　处：《电工技术》2020年第15期84-85,共2页Electric Engineering

摘　　要：针对某厂一起220 kV母线倒闸误操作引起的PT反充电事件,阐述了220 kV母线PT二次电压切换回路的构成与功能,分析PT反充电的原理和危害,并提出防范措施。Aiming at a PT reverse charging event caused by a 220 kV bus fault operation at a certain plant,the composition and function of the 220 kV bus PT secondary voltage switching circuit were introduced.The principle and harm of PT reverse charging were analyzed,and preventive measures were proposed.

关 键 词：220KV母线 倒闸 PT反充电 

分 类 号：TM451[电气工程—电器]