大型油浸变压器中水分的存在及其危害  

Existence and Harm of Moisture in Large Oil-immersed Transformers

作　　者：仇明 赵君曈 QIU Ming;ZHAO Juntong(Shenhua Guohua(Beijing)Electronic Power Research Institute Co.,Ltd,Beijing,100025)

机构地区：[1]神华国华(北京)电力研究院有限公司,北京100025

出　　处：《神华科技》2018年第5期47-49,共3页Shenhua Science and Technology

摘　　要：本文介绍了大型油浸变压器油中水分的来源,影响水分存在方式的因素及水分对变压器的危害等。提出了划定大型油浸变压器运行温度下限的必要性,可有效防范冬季低负荷运行期大型油浸变压器绝缘闪络事故的发生。This paper introduces the source of moisture in large oil-immersed transformer,and factors influencing the existence way of moisture and its harm to the transformer.It puts forward that it is necessary to define the operating temperature red line of oil-immersed transformer,which can prevent the occurrence of insulation flashover accident of large oil-immersed transformer during low load operation in winter

关 键 词：油浸变压器 水分 温度 绝缘闪络 

分 类 号：TM411[电气工程—电器]