Relay Protection Setting Analysis on 10kV Low Capacity Shunt Capacitor Bank Without Fuse

QIN Huazhong; HUANG Xueyong; YI Chunhui

doi:10.14044/j.1674-1757.pcrpc.2015.03.005

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Relay Protection Setting Analysis on 10kV Low Capacity Shunt Capacitor Bank Without Fuse

更新时间：2024-09-14

- Relay Protection Setting Analysis on 10kV Low Capacity Shunt Capacitor Bank Without Fuse
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 36, Issue 3, Pages: 21-23(2015)
- 作者机构：
  
  桂林电力电容器有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2015.03.005
  CLC： TM53
- Published：2015，
- 稿件说明：
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[1]秦华忠,黄雪勇,易春回.10kV小容量无熔丝并联电容器组保护整定分析[J].电力电容器与无功补偿,2015,36(03):21-23.

QIN HUAZHONG, HUANG XUEYONG, YI CHUNHUI. Relay Protection Setting Analysis on 10kV Low Capacity Shunt Capacitor Bank Without Fuse. [J]. Power capacitor & reactive power compensation, 2015, 36(3): 21-23.
[1]秦华忠,黄雪勇,易春回.10kV小容量无熔丝并联电容器组保护整定分析[J].电力电容器与无功补偿,2015,36(03):21-23. DOI： 10.14044/j.1674-1757.pcrpc.2015.03.005.

QIN HUAZHONG, HUANG XUEYONG, YI CHUNHUI. Relay Protection Setting Analysis on 10kV Low Capacity Shunt Capacitor Bank Without Fuse. [J]. Power capacitor & reactive power compensation, 2015, 36(3): 21-23. DOI： 10.14044/j.1674-1757.pcrpc.2015.03.005.

摘要

针对现行规范中10kV小容量无熔丝并联电容器组保护整定原则不明确

对电容器的安全运行带来隐患问题提出一些看法。通过计算电容器在发生内部故障时的电流和电压

并分析其变化规律

结合相关标准中的电容器运行限制条件

指出:为了保证电容器安全运行

即使安装了熔断器

无熔丝并联电容器组也应按电容器单元内部击穿一个元件动作跳闸整定。

Abstract

As for the unclear setting protection principle of 10kV small capacity shunt capacitor bank without fuse in the current specification and hazard to the safe operation of capacitor

some comments are proposed in this paper.It is pointed that

throughout calculating the current and voltage of a capacitor in the event of an internal fault

analyzing the law of its variation as well as combining operation restriction condition of capacitor of related standards

for the safe operation of capacitor

the shunt capacitor bank without fuse shall be set and protected when there is a capacitor element breakdown although fuse is installed.

关键词

无熔丝并联电容器组内部故障开口三角保护

Keywords

shunt capacitor bank without fuseinternal faultopen triangle protection

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Related Author

WANG Min1

YANG Chang-xing2

ZHAO Qi-cheng3

TUNIH Amet

CUI Shuangxi

WANG Weiqing

ALIMJAN Kader

Related Institution

Zhejiang Electric Power Corporation

Suhang Electric Science Institute,Wujiang

Zhejiang Provincial Electric Power Testing Research Institute

The Engineering Research Center of the Education Ministry for Renewable Energy Power Generation and Grid Technology,College of Electrical Engineering,Xinjiang University

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