云南水力发电2025，Vol.41Issue(4)：146-148,3.DOI:10.3969/j.issn.1006-3951.2025.04.035
电磁式电压互感器三相电压不平衡分析及防范
Analysis and Prevention of Three Phase Voltage Imbalance in Electromagnetic Voltage Transformers
刘晓龙 1赵显峰 1张震1
作者信息
- 1. 华能澜沧江水电股份有限公司,云南 昆明 650214
- 折叠
摘要
Abstract
Voltage transformer is a special type of transformer used for real-time detection of system voltage.The measured values are used for measurement,protection,monitoring,etc.The safe and stable operation of the system is directly related to the stability and accuracy of its measured values.This article elaborates on a three-phase voltage imbalance event in a 10 kV plant power system.Through experiments,it is found that the excitation characteristics and no-load current differences of three-phase electromagnetic voltage transformers are the essential reasons for voltage imbalance.It provides relevant suggestions for the daily testing and maintenance of electromagnetic voltage transformers.关键词
电磁式电压互感器/电压不平衡/试验/处理/注意事项Key words
electromagnetic voltage transformer/voltage imbalance/experiment/handle/precaution分类
信息技术与安全科学引用本文复制引用
刘晓龙,赵显峰,张震..电磁式电压互感器三相电压不平衡分析及防范[J].云南水力发电,2025,41(4):146-148,3.
