Simulation analysis on effecting factors of transient earth voltage of switchgear

JIANG Chilong; MAO Wenqi; LIU Weidong

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Simulation analysis on effecting factors of transient earth voltage of switchgear

更新时间：2025-11-18

- Simulation analysis on effecting factors of transient earth voltage of switchgear
- Vol. 36, Issue 2, Pages: 72-75(2016)
- 作者机构：
  
  1. 国网湖南省电力公司检修公司
  2. 国网湖南省电力公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM591
- Published：2016
- 稿件说明：
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[1]姜赤龙,毛文奇,刘卫东.开关柜暂态地电位检测结果影响因素仿真分析[J].湖南电力,2016,36(02):72-75.

JIANG Chilong, MAO Wenqi, LIU Weidong. Simulation analysis on effecting factors of transient earth voltage of switchgear[J]. 2016, 36(2): 72-75.
[1]姜赤龙,毛文奇,刘卫东.开关柜暂态地电位检测结果影响因素仿真分析[J].湖南电力,2016,36(02):72-75. DOI：

JIANG Chilong, MAO Wenqi, LIU Weidong. Simulation analysis on effecting factors of transient earth voltage of switchgear[J]. 2016, 36(2): 72-75. DOI：

摘要

介绍了暂态地电位的检测方法

根据电磁学基本原理分析了暂态地电位的产生机理。然后仿真分析了暂态地电位检测结果与局放源上升沿时间、局放源幅值、检测距离以及空气相对湿度之间的关系。仿真结果表明检测结果幅值与局部放电源的幅值、空气相对湿度成正比

且随着局部放电源上升沿的增加而减小

随着检测距离的增大而减小。

Abstract

Testing method of transient earth voltage（ TEV） is introduced and the principle of TEV is analyzed by electromagnetic method in the paper. Then the relationship between TEV result and rising time of PD

PD pulse amplitude

detection distance and humidity is researched through simulation. The simulation results show that the TEV amplitude is proportional to the PD pulse amplitude and humidity

increases as rising time of PD decreases

and decreases as the distance between detection point and PD source increase.

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