Analysis and Solution of Fuse Multi-explosion Failures of Reactive Compensation Shunt Capacitor Bank

ZHANQ Jun-yang; ZHAO Er-diong; ZHANG De-hui

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Analysis and Solution of Fuse Multi-explosion Failures of Reactive Compensation Shunt Capacitor Bank

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- Analysis and Solution of Fuse Multi-explosion Failures of Reactive Compensation Shunt Capacitor Bank
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 29, Issue 6, Pages: 49-53(2008)
- 作者机构：
  
  东北电力科学研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM563
- Published：2008，
- 稿件说明：
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[1]张军阳,赵二冬,张德惠.并联无功补偿电容器组熔断器群爆现象分析和对策研究[J].电力电容器与无功补偿,2008,29(06):49-53.

ZHANQ JUN-YANG, ZHAO ER-DIONG, ZHANG DE-HUI. Analysis and Solution of Fuse Multi-explosion Failures of Reactive Compensation Shunt Capacitor Bank. [J]. Power capacitor & reactive power compensation, 2008, 29(6): 49-53.
[1]张军阳,赵二冬,张德惠.并联无功补偿电容器组熔断器群爆现象分析和对策研究[J].电力电容器与无功补偿,2008,29(06):49-53. DOI：

ZHANQ JUN-YANG, ZHAO ER-DIONG, ZHANG DE-HUI. Analysis and Solution of Fuse Multi-explosion Failures of Reactive Compensation Shunt Capacitor Bank. [J]. Power capacitor & reactive power compensation, 2008, 29(6): 49-53. DOI：

摘要

通过理论计算、RTDS仿真和模拟试验

对66 kV并联无功补偿电容器组熔断器群爆和电容器大面积损坏事故进行了深入分析

并在分析过程中发现并联电容器组中存在一种新的过电流（故障涌流）和过电压（故障过电压）现象

正是故障涌流造成熔断器群爆

故障过电压造成电容器大面积损坏。为了防止上述事故

建议取消外熔断器

将并联电容器组直接连接到电容器母线上。

Abstract

Based on theoretical computation

RTDS simulation and tests

the phenomena of fuse multi-explosions of fuses and damages of a mass of capacitors in 66kV shunt reactive compensation capacitor bank are researched and analyzed in this paper.During this period another new kind of over-current（fault inrush current） and over-voltage（fault over-voltage） phenomenon was found in shunt capacitor bank.It was determined that the fault inrush current caused the multi-explosion fault of fuse and the fault over-voltage caused the damages of a mass of capacitors.For preventing this fault

it is suggested that the external fuses should be removed from the capacitor and shunt capacitors would be directly linked to the bus bar.

关键词

故障涌流故障过电压取消外熔断器并联电容器群爆

Keywords

Fault inrush currentFault over-voltageEliminating external fusesshunt capacitorFuse multi-explosion

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