Study on the Environmental Factors of Rod-plane Gap Discharge Based on UV Imaging

HUANG Wenwu; HE Zhenhua; CAI Wei; DENG Heming; DENG Wei; QIN Haohao

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Study on the Environmental Factors of Rod-plane Gap Discharge Based on UV Imaging

更新时间：2025-12-08

- Study on the Environmental Factors of Rod-plane Gap Discharge Based on UV Imaging
- Vol. 41, Issue 8, Pages: 2788-2794(2015)
- 作者机构：
  
  1. 深圳供电局有限公司
  2. 国网电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 August 2015，
  
  Published：2015
- 稿件说明：
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HUANG Wenwu, HE Zhenhua, CAI Wei, et al. Study on the Environmental Factors of Rod-plane Gap Discharge Based on UV Imaging[J]. 2015, 41(8): 2788-2794.
DOI：

HUANG Wenwu, HE Zhenhua, CAI Wei, et al. Study on the Environmental Factors of Rod-plane Gap Discharge Based on UV Imaging[J]. 2015, 41(8): 2788-2794. DOI：

摘要

为研究影响输变电设备电晕放电检测的气压、温度、湿度三大环境因素

以棒-板间隙为研究对象

在人工模拟气候罐内借助于Coro CAM504紫外成像仪

研究了不同环境因素和棒-板间隙距离下的起晕电压和放电电离区域大小的变化特性

并对其相互之间的关系进行了归纳和拟合

通过在平原和高原地区进行放电实际测试

对比验证了研究结果的准确性。研究结果表明:气压、绝对湿度对起晕电压值影响明显

温度对起晕电压的影响不明显;起晕电压随气压、绝对湿度的增加而增加

2者具有近似的幂函数关系;同时棒-板间隙距离增加时

起晕电压则略有增加。放电电离区域的大小随气压、绝对湿度增加而降低

光斑面积与气压、绝对湿度之间近似满足幂函数关系。

Abstract

Pressure

temperature

and humidity are three environmental factors which effect corona discharge detection of power transmission equipment. In order to study the relationship between them

taking robust-plate gap as research object

by means of ultraviolet（UV） imaging instrument of Coro CAM504 in artificial simulation climate tank

we researched the variation characteristics of corona inception voltage and the size of discharge ionization region under different environmental factors and robust-plate gap. The accuracy of the results was verified through discharge test at plain and plateau area

respectively. The results show that

pressure and absolute humidity have significant effects on corona inception voltage while temperature has little effect on it. Corona inception voltage increases with the increases of pressure and absolute humidity

the relationship between them is approximate power function. At the same time

corona inception voltage slightly increases when the gap of robust-plate increases. The size of discharge ionization region reduces with the increasing of pressure and absolute humidity

the relationship between spot area and pressure

absolute humidity is approximate power function.

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