Study on Voltage Balancing of Thyristor Devices in Series by Using Metal Oxide Voltage Limiters

SHEN Haibin; CHEN Weijiang; CHEN Xiujuan; LI Guofu

doi:10.13296/j.1001-1609.hva.2015.07.011

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Study on Voltage Balancing of Thyristor Devices in Series by Using Metal Oxide Voltage Limiters

更新时间：2025-04-26

- Study on Voltage Balancing of Thyristor Devices in Series by Using Metal Oxide Voltage Limiters
- High VoltageApparatus Vol. 51, Issue 7, Pages: 57-62(2015)
- 作者机构：
  
  1. 中国电力科学研究院
  2. 国家电网公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.07.011
  CLC： TM77;TM721.1
- Published：2015
- 稿件说明：
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[1]沈海滨,陈维江,陈秀娟,李国富.金属氧化物限压器用于晶闸管器件串联均压保护的研究[J].高压电器,2015,51(07):57-62.

SHEN Haibin, CHEN Weijiang, CHEN Xiujuan, et al. Study on Voltage Balancing of Thyristor Devices in Series by Using Metal Oxide Voltage Limiters[J]. High voltageapparatus, 2015, 51(7): 57-62.
[1]沈海滨,陈维江,陈秀娟,李国富.金属氧化物限压器用于晶闸管器件串联均压保护的研究[J].高压电器,2015,51(07):57-62. DOI： 10.13296/j.1001-1609.hva.2015.07.011.

SHEN Haibin, CHEN Weijiang, CHEN Xiujuan, et al. Study on Voltage Balancing of Thyristor Devices in Series by Using Metal Oxide Voltage Limiters[J]. High voltageapparatus, 2015, 51(7): 57-62. DOI： 10.13296/j.1001-1609.hva.2015.07.011.

摘要

串联应用的大功率晶闸管器件目前均采用并联阻容吸收回路作为串联均压保护措施

但在某些应用领域

阻容吸收回路存在不适用性。文中提出了一种晶闸管器件串联均压保护的新方法

在每个串联晶闸管器件两端并联设置具有良好非线性特性的金属氧化物限压器

来限制晶闸管开通、关断过冲电压。经过理论分析、仿真研究和试验验证

初步论证了该方法的可行性。

Abstract

Series thyristor devices are currently adopting parallel RC snubber circuits as a voltage balancing protective measure

however

in some areas of application

RC snubber circuit exists inapplicability. This paper proposes a new voltage balancing method for thyristor devices in series

and metal oxide voltage limiter with good nonlinear characteristics is installed in parallel with each series thyristor devices to restrict the thyristor’s turn-on and turn-off overshoot voltage. The feasibility of this method is demonstrated initially through theoretical analysis

simulation study and experimental validation.

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Related Institution

Central Southern China Electric Power Design Institute Co.,Ltd.of China Power Engineering Consulting Group Co.,Ltd.

College of Electric Engineering,Zhejiang University

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