Research on Switching Reignition Over-voltage of Compensation Capacitor Bank Based on Series Nonlinear Resistor Combination Switch

LIU Bin; YUE Yonggang; ZHANG Qingru; WANG Xuesong; LYU Xin; YANG Lanjun; HUANG Yizhi; WANG Chao

doi:10.13296/j.1001-1609.hva.2024.08.022

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Research on Switching Reignition Over-voltage of Compensation Capacitor Bank Based on Series Nonlinear Resistor Combination Switch

Research & Analysis | 更新时间：2025-04-26

- Research on Switching Reignition Over-voltage of Compensation Capacitor Bank Based on Series Nonlinear Resistor Combination Switch
- High Voltage Apparatus Vol. 60, Issue 8, Pages: 183-192(2024)
- 作者机构：
  
  1.内蒙古超高压供电公司，呼和浩特　 010080
  2.西安交通大学电气工程学院，西安　 710049
- 作者简介：
- 基金信息：
  
  Science and Technology Project of Inner Mongolia Power (Group) Co., Ltd. (Research on Automatic Early Warning System for Faults of Reactive Power Compensation Devices)
- DOI：10.13296/j.1001-1609.hva.2024.08.022
  CLC：
- Received：17 February 2024，
  
  Revised：21 May 2024，
  
  Published：16 August 2024
- 稿件说明：
移动端阅览
LIU Bin, YUE Yonggang, ZHANG Qingru, et al. Research on Switching Reignition Over-voltage of Compensation Capacitor Bank Based on Series Nonlinear Resistor Combination Switch[J]. High voltage apparatus, 2024, 60(8): 183-192.
DOI：

LIU Bin, YUE Yonggang, ZHANG Qingru, et al. Research on Switching Reignition Over-voltage of Compensation Capacitor Bank Based on Series Nonlinear Resistor Combination Switch[J]. High voltage apparatus, 2024, 60(8): 183-192. DOI： 10.13296/j.1001-1609.hva.2024.08.022.

摘要

文中旨在研究电力系统中切除并联无功补偿电容器组时出现的过电压问题。通过ATP-EMTP软件，搭建了投切电容器组模型，仿真了普通开关和串联电阻开关在多种工况下的过电压水平。为解决串联电阻开关在限制两次两相重燃时效果不佳的困扰，提出了采用串联非线性电阻组合开关的解决方案，并对比了3种方案在限制过电压方面的效果。仿真结果表明，串联非线性电阻组合开关在两次两相重燃工况下表现出卓越的限制效果，能够有效地抑制过电压并保护电容器组绝缘。该组合开关可以作为电力系统中并联电容器组无功补偿系统设计的参考。

Abstract

This paper aims to study the over-voltage in case of switching the parallel reactive power compensation capacitor banks in the power system. The switching capacitor bank model is set up through ATP-EMTP software and the over-voltage level of both general switch and series resistor switch is simulated under various conditions. For solving the problem of the ineffectiveness of series resistor switch in limiting two-phase reignition at two times

a solution using a series non-linear resistor combination switch is proposed

and the effects of the three schemes in limiting the over-voltage are compared. The simulation results show that the series nonlinear resistor combination switch shows excellent limiting effect under two-phase reignition conditions at two times

can effectively suppress the over-voltage and protect insulation of the capacitor bank. The combination switch can be used as a reference for the design of reactive power compensation system for shunt capacitor bank in power system.

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