Research on Simulation of Switching Re-ignition Over-voltage of Capacitor Bank Based on Series Resistance Switch

WANG Xuesong; YUE Yonggang; LYU Xin; ZHANG Qingru; WANG Chao; ZHANG Liguo; YANG Lanjun

doi:10.14044/j.1674-1757.pcrpc.2024.04.017

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Research on Simulation of Switching Re-ignition Over-voltage of Capacitor Bank Based on Series Resistance Switch

Research on System Application | 更新时间：2024-09-15

- Research on Simulation of Switching Re-ignition Over-voltage of Capacitor Bank Based on Series Resistance Switch
- Power Capacitor & Reactive Power Compensation Vol. 45, Issue 4, Pages: 124-132(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：
- DOI：10.14044/j.1674-1757.pcrpc.2024.04.017
  CLC：
- Published：2024-08，
  
  Received：22 May 2023，
- 稿件说明：
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WANG XUESONG, YUE YONGGANG, LYU XIN, et al. Research on Simulation of Switching Re-ignition Over-voltage of Capacitor Bank Based on Series Resistance Switch. [J]. Power capacitor & reactive power compensation, 2024, 45(4): 124-132.
DOI：

WANG XUESONG, YUE YONGGANG, LYU XIN, et al. Research on Simulation of Switching Re-ignition Over-voltage of Capacitor Bank Based on Series Resistance Switch. [J]. Power capacitor & reactive power compensation, 2024, 45(4): 124-132. DOI： 10.14044/j.1674-1757.pcrpc.2024.04.017.

摘要

研究了在500 kV超高压变电站的电容器组补偿系统中，通过采用串联电阻开关来限制并联电容器组投切过程中的过电压和涌流问题。通过仿真分析了不同串联电阻阻值的影响，并提出推荐阻值，对比了使用普通断路器、相控断路器和串联电阻开关对过电压与过电流的限制效果。结果表明，串联电阻开关能有效降低重燃概率，同时可降低重燃后的过电压水平。从经济和技术角度分析，认为串联电阻开关具有较低的断路器要求、更好的经济性和实用性。

Abstract

In this paper

the issue of limiting the over-voltage and inrush current by way of series resistance switch during the switching of shunt capacitor bank in the capacitor bank compensation system of a 500kV EHV substation is studied. The influence of different series resistance values is analyzed through simulation

the recommended resistance values are proposed

and the limiting effects of using ordinary circuit breaker

phase-controlled circuit breaker and series resistance switch on over-voltage and over-current are compared. The results show that the series resistance switch can effectively reduce the probability of reignition and can

at the same time

reduce the over-voltage level after reignition. It is thought from the the economic and technical perspective that the series resistance switch has lower circuit breaker specifications

better economic performance and practicality.

关键词

并联电容器组ATP-EMTP重燃过电压相控断路器串联电阻开关

Keywords

shunt capacitor bankATP-EMTPre-ignition over-voltagephase-controlled circuit breakerseries resistance switch

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