某直流换流站高压穿墙套管发热故障分析与处理  

Analysis and Treatment of Heating Fault of High Voltage Through Wall Bushing in a DC Converter Station

作　　者：李秀婧 徐友 张意 夏金柱 LI Xiujing;XU You;ZHANG Yi;XIA Jinzhu(Yunnan Electric Power Technology Co.,Ltd.,Kunming 650051,China;Kunming Bureau,CSG EHV Power Transmission Company,Kunming 650000,China)

机构地区：[1]云南电力技术有限责任公司,云南昆明650051 [2]中国南方电网有限责任公司超高压输电公司昆明局,云南昆明650000

出　　处：《电工技术》2022年第3期47-49,共3页Electric Engineering

摘　　要：某高压直流换流站运行过程中,极II高端400 kV穿墙套管接头处发生发热现象,对换流站的安全运行构成严重威胁。为防止穿墙套管接头发热造成换流站设备损坏和恶性电气事故的发生,对该起过热现象的原因进行了分析、计算和测试,并制定了相应防范措施,以供同行参考。During the operation of a HVDC converter station,the heating phenomenon occurred at the joint of 400 kV through wall bushing at the high end of pole II,which posed a serious threat to the safe operation of the converter station.In order to prevent the equipment damage and malignant electrical accident of converter station caused by the heating of through wall bushing joint,the causes of this overheating phenomenon are analyzed,calculated and tested,and the corresponding preventive measures are formulated for reference.

关 键 词：换流站 穿墙套管 发热现象 故障检测 

分 类 号：TM406[电气工程—电器]