电压互感器二次回路多点接地的影响及查找措施
Effects and Detection Measures of Multipoint Grounding in Voltage Transformer Secondary Circuits
盛博闻1
作者信息
- 1. 国网上海市电力公司金山供电公司,上海 201500
- 折叠
摘要
实际工作过程中会发生由于电压互感器两点接地导致的保护误动问题,这是一种不容易被发现的故障.介绍了由于电压互感器二次回路两点接地引发的故障,分析了电压互感器二次回路多点接地故障的原理,并总结了查找方法,以期为今后工作给予启示并采取相应的防范措施.
Abstract
In practical operations,protection malfunctions have occurred due to grounding at two points in voltage transformers,which is a fault that is not easily detected.This paper introduces faults caused by multipoint ground-ing in the secondary circuits of voltage transformers,analyzes the principles of PT secondary circuit multipoint grounding faults,and summarizes detection methods.The findings provide insights and preventive measures for future work.
关键词
电压互感器/二次回路/多点接地/保护装置Key words
voltage transformer/secondary circuit/multipoint grounding/protection devices引用本文复制引用
出版年
2024
NETL
NSTL
万方数据