Simulation and Application of the Influence of Series Compensation Capacitor on Ferroresonance Overvoltage Based on PSCAD/EMTDC

HAO Yaohua; CAO Bin; WANG Wei; YAN Feng; CHEN Jianqiang

doi:10.13296/j.1001-1609.hva.2019.12.030

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Simulation and Application of the Influence of Series Compensation Capacitor on Ferroresonance Overvoltage Based on PSCAD/EMTDC

更新时间：2025-04-26

- Simulation and Application of the Influence of Series Compensation Capacitor on Ferroresonance Overvoltage Based on PSCAD/EMTDC
- High VoltageApparatus Vol. 55, Issue 12, Pages: 205-210(2019)
- 作者机构：
  
  1. 内蒙古工业大学电力学院
  2. 内蒙古电力科学研究院
  3. 内蒙古呼和浩特供电局
  4. 内蒙古超高压供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2019.12.030
  CLC： TM63
- Published：2019
- 稿件说明：
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[1]郝耀华,曹斌,王伟,闫峰,陈建强.基于PSCAD/EMTDC下串联补偿电容对铁磁谐振过电压影响的仿真与应用[J].高压电器,2019,55(12):205-210.

HAO Yaohua, CAO Bin, WANG Wei, et al. Simulation and Application of the Influence of Series Compensation Capacitor on Ferroresonance Overvoltage Based on PSCAD/EMTDC[J]. High voltageapparatus, 2019, 55(12): 205-210.
[1]郝耀华,曹斌,王伟,闫峰,陈建强.基于PSCAD/EMTDC下串联补偿电容对铁磁谐振过电压影响的仿真与应用[J].高压电器,2019,55(12):205-210. DOI： 10.13296/j.1001-1609.hva.2019.12.030.

HAO Yaohua, CAO Bin, WANG Wei, et al. Simulation and Application of the Influence of Series Compensation Capacitor on Ferroresonance Overvoltage Based on PSCAD/EMTDC[J]. High voltageapparatus, 2019, 55(12): 205-210. DOI： 10.13296/j.1001-1609.hva.2019.12.030.

摘要

为解决高压变电站中性点不接地的配电网中的铁磁谐振过电压问题

笔者通过对铁磁谐振原理的分析提出串联补偿电容消谐方法。基于PSCAD/EMTDC对500 k V变压器进行精准建模并且仿真

仿真结果表明

当系统发生铁磁谐振时投入串补电容后

铁磁谐振明显得到了抑制

并逐渐消除

恢复正常。在某500 kV变电站35 kV谐振侧投入串补电容

根据现场实时录波

进一步验证了串补消谐的正确性和可行性

有较强的工程使用价值。

Abstract

In order to solve the problem of over-voltage of ferromagnetic resonance in distribution network with ungrounded neutral point of high voltage substation

the author puts forward the method of harmonic elimination of series compensating capacitor by analyzing the principle of ferroresonance.Based on PSCAD/EMTDC

the 500 kV transformer is accurately modeled and simulated.The simulation results show that the ferroresonance is obviously suppressed and gradually returned to normal after the series compensation capacitor is put into the system.In a 500 kV substation 35 kV resonant input string compensation capacitor

according to the scene real-time recording

to further verify the correctness and feasibility of string complement harmonic elimination

a strong engineering value.

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