两起换流变压器修复后温升超标案例分析  

Two Cases Analysis of Over-standard Temperature Rise Test for Repaired Converter Transformer

作　　者：郭慧浩 陈江波 孙勇[2] 蔡胜伟 尹晶 GUO Hui-hao;CHEN Jiang-bo;SUN Yong;CAI Sheng-wei;YIN Jing(China Electric Power Research Institute,Wuhan 430074,China;CSG EHV Power Transmission Company,Guangzhou 510405,China)

机构地区：[1]中国电力科学研究院有限公司,湖北武汉430074 [2]中国南方电网超高压输电公司,广东广州510405

出　　处：《变压器》2019年第12期77-79,共3页Transformer

摘　　要：本文中作者给出了两起同型号换流变器在更换网侧绕组的修复后温升试验超标案例,介绍了分析和处理方法,找到了故障原因。Two cases of the same type of converter transformer in the replacement of the grid side winding after the temperature rise test over standard case are presented by the authors in this paper.The analysis and processing methods are introduced.The cause of the fault is found out.

关 键 词：换流变压器 温升试验 超标 案例分析 

分 类 号：TM406[电气工程—电器]