Calculation of Electric Potential and Field Distribution of UHVDC Bus Bar MOA

AN Cui-cui1; LIU Hang1; WANG Qiong2; DOU Xiao-jing3; ZHANG Yuan-bin1

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Calculation of Electric Potential and Field Distribution of UHVDC Bus Bar MOA

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- Calculation of Electric Potential and Field Distribution of UHVDC Bus Bar MOA
- High VoltageApparatus Vol. 45, Issue 5, Pages: 9-11+15(2009)
- 作者机构：
  
  1. 西安交通大学电气工程学院
  2. 江西省电力设计院
  3. 西北西安输变电运行公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM862
- Published：2009
- 稿件说明：
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[1]安翠翠,刘航,王琼,窦小晶,张源斌.特高压直流母线MOA的电位与电场分布计算[J].高压电器,2009,45(05):9-11+15.

AN Cui-cui1, LIU Hang1, WANG Qiong2, et al. Calculation of Electric Potential and Field Distribution of UHVDC Bus Bar MOA[J]. High voltageapparatus, 2009, 45(5): 9-11+15.
[1]安翠翠,刘航,王琼,窦小晶,张源斌.特高压直流母线MOA的电位与电场分布计算[J].高压电器,2009,45(05):9-11+15. DOI：

AN Cui-cui1, LIU Hang1, WANG Qiong2, et al. Calculation of Electric Potential and Field Distribution of UHVDC Bus Bar MOA[J]. High voltageapparatus, 2009, 45(5): 9-11+15. DOI：

摘要

分析了恒定电场的计算方法;根据特高压直流母线避雷器的结构

建立三维有限元模型

计算了其在直流持续运行电压下的电位电场分布;结果表明

在直流电压下

避雷器电阻片上承担相同的电压

防晕环的主要作用是降低局部产生过高场强和防止电晕;同时对该避雷器的防晕环进行了结构优化。

Abstract

The calculation method of steady-state field was analyzed in the paper.Based on the structure of UHVDC bus bar MOA

a 3-D finite element model was established;the potential and electric filed distribution of the bus bar MOA under the continuous operating voltage was calculated.The result showed that under DC voltage

arrester valves withstand the same voltage;the main effects of anti-corona rings were reduce the partial high electric field strength

and prevent the corona.Meanwhile

the structure of the anti-corona rings was optimized in this paper.

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