Function and Mode Analysis about the Fixed Potential Point of the UHV Capacitor

LIU Qinglin; LIU Qiang; KONG Zhifeng; GUO Xingyue

doi:10.14044/j.1674-1757.pcrpc.2017.02.003

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Function and Mode Analysis about the Fixed Potential Point of the UHV Capacitor

更新时间：2024-09-14

- Function and Mode Analysis about the Fixed Potential Point of the UHV Capacitor
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 2, Pages: 10-13(2017)
- 作者机构：
  
  1. 中国南方电网有限责任公司超高压输电公司
  2. 思源电气股份有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.02.003
  CLC： TM53
- Published：2017，
- 稿件说明：
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[1]刘青林,刘强,孔志峰,郭星月.超高压电容器装置固定电位点的作用及方式的分析[J].电力电容器与无功补偿,2017,38(02):10-13+18.

LIU QINGLIN, LIU QIANG, KONG ZHIFENG, et al. Function and Mode Analysis about the Fixed Potential Point of the UHV Capacitor. [J]. Power capacitor & reactive power compensation, 2017, 38(2): 10-13.
[1]刘青林,刘强,孔志峰,郭星月.超高压电容器装置固定电位点的作用及方式的分析[J].电力电容器与无功补偿,2017,38(02):10-13+18. DOI： 10.14044/j.1674-1757.pcrpc.2017.02.003.

LIU QINGLIN, LIU QIANG, KONG ZHIFENG, et al. Function and Mode Analysis about the Fixed Potential Point of the UHV Capacitor. [J]. Power capacitor & reactive power compensation, 2017, 38(2): 10-13. DOI： 10.14044/j.1674-1757.pcrpc.2017.02.003.

摘要

超高压电容器组各层支架电位悬浮时

支架的电位分布由支架的层间杂散电容和对地杂散电容决定

电容器单元端子和支架间的电位差将会非常高。本文通过理论计算

说明电位固定的必要性。对比2种电位固定方式分别在电容器故障和绝缘子故障情况下的优劣。

Abstract

When the potential of each layer of the capacitor bank is suspended

the potential distribution of the stent is determined by the stray capacitance between layers and the stray capacitance to ground. So the potential difference between the capacitor unit terminal and the bracket may be very high. In this paper

the theoretical calculation shows the necessity of fixed potential. The advantages and disadvantages between the two potential fixation methods in the case of capacitor failure and insulator fault are compared respectively.

关键词

电容器组电位固定方式层间杂散电容对地杂散电容

Keywords

capacitor bankpotential fixationstray capacitance between layersstray capacitance to ground

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School of Electrical Engineering, Beijing Jiaotong University

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