Calculation of Ion Current Field under HVDC Transmission Line Considering Ground Potential Rise

LI Yong-ming1; CHEN Xiao-xin1; ZHANG Huai-qing1; CHAI Xian-dong1; XU Lu-wen2

doi:10.13296/j.1001-1609.hva.2012.01.007

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Calculation of Ion Current Field under HVDC Transmission Line Considering Ground Potential Rise

更新时间：2025-04-26

- Calculation of Ion Current Field under HVDC Transmission Line Considering Ground Potential Rise
- High VoltageApparatus Vol. 48, Issue 1, Pages: 17-24(2012)
- 作者机构：
  
  1. 重庆大学输配电装备及系统安全与新技术国家重点实验室
  2. 重庆市电力科学试验研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.01.007
  CLC： TM154.1
- Published：2012
- 稿件说明：
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[1]李永明,陈晓鑫,张淮清,柴贤东,徐禄文.计及地电位升高的HVDC输电线路离子流场的计算[J].高压电器,2012,48(01):17-24.

LI Yong-ming1, CHEN Xiao-xin1, ZHANG Huai-qing1, et al. Calculation of Ion Current Field under HVDC Transmission Line Considering Ground Potential Rise[J]. High voltageapparatus, 2012, 48(1): 17-24.
[1]李永明,陈晓鑫,张淮清,柴贤东,徐禄文.计及地电位升高的HVDC输电线路离子流场的计算[J].高压电器,2012,48(01):17-24. DOI： 10.13296/j.1001-1609.hva.2012.01.007.

LI Yong-ming1, CHEN Xiao-xin1, ZHANG Huai-qing1, et al. Calculation of Ion Current Field under HVDC Transmission Line Considering Ground Potential Rise[J]. High voltageapparatus, 2012, 48(1): 17-24. DOI： 10.13296/j.1001-1609.hva.2012.01.007.

摘要

超高压直流（high voltage direct current

HVDC）输电线路离子流场的计算对于输电线路的设计具有重要意义。然而考虑地电位升高的地面离子流场的计算却很少

为此

在Deutsch假设的基础上

为了研究计及地电位升高时HVDC输电线路产生的离子流场

将地电位升高作为第1类边界条件

应用模拟电荷法

建立了考虑地电位升高影响的HVDC输电线路下方离子流场计算模型。计算结果表明

在不计及地电位下

与可查询的文献相比

计算结果与其基本一致。计及地电位下

地面离子流密度与电场的值分别有所增大

同时分析了不同地电位升高值、导线高度及极间距下

地电位的变化对超高压输电线路地面合成电场以及离子流场的影响。

Abstract

Based on the Deutsch assumption

a model for calculating ion current field under high-voltage direct-current（HVDC） transmission line is established with the charge simulation method by taking ground potential rise（GPR） as the first boundary condition.The calculation results without considering GPR agree well with those from Teshmont Corporation

and the calculation results considering GPR show that the maximum electric field strength and ion current density on the ground in rainy weather increase by around 200% and 150%

respectively.Moreover

the impact of ground potential variation on the resultant electric field under HVDC transmission line is analyzed for different magnitudes of GPR

line heights

and arrangement manners of lines.

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