一起10kV配电变压器铁心多点接地故障分析及处理  

Analysis and Treatment of Multi-point Grounding Faults in the Core of a 10 kV Distribution Transformer

作　　者：杜昊阳 DU Haoyang(State GridZaozhuang Power Supply Company,Zaozhuang 277800,China)

机构地区：[1]国网山东省电力公司枣庄供电公司,山东枣庄277800

出　　处：《电工技术》2024年第S01期245-246,249,共3页Electric Engineering

摘　　要：变压器铁心接地故障危害大,极易造成绝缘烧毁事故。以一起10kV变压器铁心多点接地故障为例,通过解体检查和测量绝缘电阻,分析了变压器铁心多点接地故障形成的原因,结合变压器实际运行情况,给出了运行维护的预防措施。Transformer core grounding fault is harmful,very easy to cause insulation burning accident.This paper takes a 10 kV transformer core multi-point grounding fault as an example,through the dismantling inspection and measurement of insulation resistance,analyses the transformer core multi-point grounding fault formation reasons,combined with the actual operation of the transformer,gives the operation and maintenance of preventive measures.

关 键 词：变压器 铁心接地 故障 

分 类 号：TM407[电气工程—电器]