Fault Analysis on Switching Overvoltage of 35 kV Shunt Reactor

JIN Bairong; LI Dian; CAI Zhongkai; CHEN Xiaoyu; LYU Dan

doi:10.14044/j.1674-1757.pcrpc.2016.05.022

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Fault Analysis on Switching Overvoltage of 35 kV Shunt Reactor

更新时间：2024-09-14

- Fault Analysis on Switching Overvoltage of 35 kV Shunt Reactor
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 5, Pages: 107-112(2016)
- 作者机构：
  
  国网绍兴供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.05.022
  CLC： TM63;TM472
- Published：2016，
- 稿件说明：
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[1]金百荣,李电,蔡重凯,陈晓宇,吕丹.35kV并抗操作过电压故障实例分析[J].电力电容器与无功补偿,2016,37(05):107-112+125.

JIN BAIRONG, LI DIAN, CAI ZHONGKAI, et al. Fault Analysis on Switching Overvoltage of 35 kV Shunt Reactor. [J]. Power capacitor & reactive power compensation, 2016, 37(5): 107-112.
[1]金百荣,李电,蔡重凯,陈晓宇,吕丹.35kV并抗操作过电压故障实例分析[J].电力电容器与无功补偿,2016,37(05):107-112+125. DOI： 10.14044/j.1674-1757.pcrpc.2016.05.022.

JIN BAIRONG, LI DIAN, CAI ZHONGKAI, et al. Fault Analysis on Switching Overvoltage of 35 kV Shunt Reactor. [J]. Power capacitor & reactive power compensation, 2016, 37(5): 107-112. DOI： 10.14044/j.1674-1757.pcrpc.2016.05.022.

摘要

针对近年来频发的35 kV并抗开断过电压故障

对多起故障实例进行了汇总调查

对故障现象及规律进行了分析

对故障原因及机理进行了仿真解析

对过电压治理措施进行了研究验证。调查发现35 kV并抗开断操作过电压极为严重

空母线开断并抗母线侧存在显著风险

采用断路器并抗中性点侧投切可有效治理35 kV并抗操作过电压。

Abstract

Aiming at the frequent faults of 35 kV shunt reactor in interrupting overvoltage in recent years

the few cases of faults are collected and investigated

and the fault phenomena and regularity is analyzed

the failure causes and mechanism is simulated and overvoltage control measures are studied and verified.It is found in the investigation that the switching overvoltage of 35 kV shunt reactor is very serious

remarkable risk is existed at the shunt reactor busbar side when switching no load busbar

and adoption of circuit breaker switching at the side of neutral point of shunt reactor can control the switching overvoltage very well.

关键词

并联电抗器真空断路器操作过电压空母线故障

Keywords

shunt reactorvacuum circuit breakerswitching overvoltageno-load busbarfault

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