一起220kV主变压器有载分接开关内部放电案例分析  

A case Analysis of Internal Discharge of On-load Tap-changer in 220 kV Main Transformer

作　　者：孟天东 冉梦东 唐晟喻 李生杰 张腊华 吴明豪 MENG Tiandong;RAN Mengdong;TANG Shengyu;LI Shengjie;ZHANG Lahua;WU Minghao(Zunyi Power Supply Bureau of Guizhou Power Grid Co.,Ltd.,Guizhou Zunyi 563000,China)

机构地区：[1]贵州电网有限责任公司遵义供电局,贵州遵义563000

出　　处：《农村电气化》2024年第8期46-49,共4页Rural Electrification

摘　　要：详细分析了一起220 kV主变压器有载分接开关内部放电案例。通过对故障有载分接开关一二次的故障表和解体试验分析,结合有载分接开关动作原理,准确查找出内部放电的原因。A case of on-load tap-changer internal discharge in 220 kV main transformer is analyzed in detail.By analyzing the primary and secondary fault table and disassembly test of the on-load tap-changer,and combining with the operation principle of the on-load tap-changer,the cause of internal discharge is found out accurately.

关 键 词：有载分接开关 解体 动作原理 内部放电 

分 类 号：TM711.2[电气工程—电力系统及自动化]