Study of Restrike Overvoltage When Switching off Shunt Capacitors

LI Zhi-min1; NAN Chun-lei1; MA Li2; WANG Jian-xun2

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Study of Restrike Overvoltage When Switching off Shunt Capacitors

更新时间：2024-09-14

- Study of Restrike Overvoltage When Switching off Shunt Capacitors
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 30, Issue 3, Pages: 41-47(2009)
- 作者机构：
  
  1. 三门峡供电公司
  2. 武汉大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM531
- Published：2009，
- 稿件说明：
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[1]李智敏,南春雷,马力,王建勋.并联电容器分闸重击穿操作过电压研究[J].电力电容器与无功补偿,2009,30(03):41-47.

LI ZHI-MIN1, NAN CHUN-LEI1, MA LI2, et al. Study of Restrike Overvoltage When Switching off Shunt Capacitors. [J]. Power capacitor & reactive power compensation, 2009, 30(3): 41-47.
[1]李智敏,南春雷,马力,王建勋.并联电容器分闸重击穿操作过电压研究[J].电力电容器与无功补偿,2009,30(03):41-47. DOI：

LI ZHI-MIN1, NAN CHUN-LEI1, MA LI2, et al. Study of Restrike Overvoltage When Switching off Shunt Capacitors. [J]. Power capacitor & reactive power compensation, 2009, 30(3): 41-47. DOI：

摘要

从理论上推导了无功补偿电容器分闸时的电容电压变化规律

分析了并联电容器分闸时产生过电压的原因

并以三门峡原电变电站实际系统为基础建立模型

运用电磁暂态仿真软件（EMTP）对电容器过电压进行了仿真分析

并给出了重击穿过电压的变化规律。

Abstract

This paper theoretically deduces the cause and variation trend of the capacitor voltage when the reactive power compensation capacitors were switched off.The model base on the Sanmenxia Yuandian substation was built and the capacitor overvoltage with the EMTP was analyzed.The changeable rule of overvoltage is given at last.

关键词

电容器分闸重击穿过电压过电流

Keywords

capacitorSwitching offrestrikeovervoltageOver-current

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