两起变压器轻瓦斯误动原因分析及解决措施  

Cause analysis and solution to two cases of maloperation of transformer light gas protection

作　　者：周秀 王博 马云龙 田天 徐玉华 魏莹 白金 ZHOU Xiu;WANG Bo;MA Yunlong;TIAN Tian;XU Yuhua;WEI Ying;BAI Jin(State Grid Ningxia Electric Power Research Institute,Yinchuan Ningxia 750011,China)

机构地区：[1]国网宁夏电力有限公司电力科学研究院,宁夏银川750011

出　　处：《宁夏电力》2021年第5期49-52,共4页Ningxia Electric Power

摘　　要：介绍了宁夏电网两起变压器轻瓦斯误动的案例,通过外观检查、点燃试验、色谱分析等试验查找轻瓦斯误动原因,并结合宁夏电网瓦斯继电器运行现状提出相应的解决措施,为宁夏电网主变压器瓦斯继电器安全运行提供借鉴。Two cases of maloperation of transformer light gas protection were introduced in Ningxia power grid.Through appearance inspection,ignition test,chromatography analysis and other tests,the reasons of the maloperation were ascertained,and corresponding solutions based on the operation status of gas relay in Ningxia power grid were proposed to provide guidance and suggestions for safe operation of gas relay in main transformer of Ningxia power grid.

关 键 词：变压器 轻瓦斯动作 误动 

分 类 号：TM406[电气工程—电器]