摘要
本文介绍了一起CVT介损数据异常案例,基于宽频带局部放电检测、油化分析等检测方法,探讨了介损异常的原因,并借助解体检查进行了验证分析,提出了运维及检修的相关注意事项。
A case of CVT dielectric loss data anomaly is introduced. Based on the detection methods of broadband partial discharge detection and oil analysis, the causes of dielectric loss anomaly are discussed. The verification analysis is carried out by means of disintegration inspection. The precautions are proposed.
作者
刘江明
孙林涛
李文燕
林成理
刘德
邢佳磊
LIU Jiang-ming;SUN Lin-tao;LI Wen-yan;LIN Cheng-li;LIU De;XING Jia-lei(State Grid Zhejiang Electric Power Company, Inspection and Repair Branch, Hangzhou 311232, China;Zhejiang Transmission and Transformation Engineering Company, Hangzhou 310016, China)
出处
《变压器》
北大核心
2019年第7期77-82,共6页
Transformer
关键词
电容式电压互感器
介损
宽频带检测
局部放电
Capacitive voltage transformer
Dielectric Loss
Broadband detection
PD
