The influence of ferro-resonance phenomenon of cascade-type voltage transformer on dielectric loss test

HOU Feng

doi:10.3969/j.issn.1672-3643.2013.05.006

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The influence of ferro-resonance phenomenon of cascade-type voltage transformer on dielectric loss test

更新时间：2025-09-24

- The influence of ferro-resonance phenomenon of cascade-type voltage transformer on dielectric loss test
- Ningxia Electric Power Issue 5, (2013)
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- DOI：10.3969/j.issn.1672-3643.2013.05.006
  CLC：
- Published Online：05 November 2020，
  
  Published：2013
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HOU Feng. The influence of ferro-resonance phenomenon of cascade-type voltage transformer on dielectric loss test[J]. Ningxia electric power, 2013, (5).
DOI：

HOU Feng. The influence of ferro-resonance phenomenon of cascade-type voltage transformer on dielectric loss test[J]. Ningxia electric power, 2013, (5). DOI： 10.3969/j.issn.1672-3643.2013.05.006.

摘要

针对关帝变电站220 kVⅠ号母线电压互感器在介质损耗因数测量时试验数据漂移的问题

从铁磁谐振原理出发

分析了串级式电压互感器铁磁谐振对介质损耗因数测量的影响

提出合理可行的解决方案。应用结果表明:通过自备发电机对仪器电压源供电

是一种简单而有效的解决方法。

Abstract

Aiming at the problem of the test data occur shift when dielectric loss factor measurementof voltage transformer of 220 kVⅠbus bar in Guandi Substation

based on principle of ferro-reso?nance

analyzes the influence of ferro-resonance phenomenon of cascade type voltage transformer ondielectric loss factor measurement

puts forward feasible solution.The application result shows that itis a simple and effective solution using standby dynamo supply voltage source to the test instrument.

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