Secondary Circuits Ferro Resonance Analysis of 500kV Line Capacitor Voltage Transformer

DENG Wan-ting

doi:10.14044/j.1674-1757.pcrpc.2011.01.010

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Secondary Circuits Ferro Resonance Analysis of 500kV Line Capacitor Voltage Transformer

更新时间：2024-09-14

- Secondary Circuits Ferro Resonance Analysis of 500kV Line Capacitor Voltage Transformer
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 32, Issue 1, Pages: 63-65(2011)
- 作者机构：
  
  湖北省电力试验研究院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2011.01.010
  CLC： TM451
- Published：2011，
- 稿件说明：
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[1]邓万婷.某500kV线路电容式电压互感器二次回路铁磁谐振分析[J].电力电容器与无功补偿,2011,32(01):63-65.

DENG WAN-TING. Secondary Circuits Ferro Resonance Analysis of 500kV Line Capacitor Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2011, 32(1): 63-65.
[1]邓万婷.某500kV线路电容式电压互感器二次回路铁磁谐振分析[J].电力电容器与无功补偿,2011,32(01):63-65. DOI： 10.14044/j.1674-1757.pcrpc.2011.01.010.

DENG WAN-TING. Secondary Circuits Ferro Resonance Analysis of 500kV Line Capacitor Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2011, 32(1): 63-65. DOI： 10.14044/j.1674-1757.pcrpc.2011.01.010.

摘要

某500 kV线路电容式电压互感器出现二次电压长时间波动

经分析确认该设备出现了能长时间自保持的铁磁谐振现象

通过对其产生原因的分析

提出了改进方案

并经现场证明有效

这为防范电容式电压互感器的分频铁磁谐振提供了新的设计思路。

Abstract

Long-time secondary voltage fluctuation of capacitor voltage transformer occurred at a 500 kV line

after analysis it is confirmed that this equipment appeared long term self-maintaining ferro-resonance.The improvement scheme is proposed through the analysis of its cause and is proved to be effective at site.And new design thinking is provided in avoiding sub-harmonic ferro-resonance of capacitor voltage transformers.

关键词

电容式电压互感器（CVT）二次电压波动铁磁谐振

Keywords

capacitor voltage transformer（CVT）secondary voltage fluctuationferro-resonance

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