Comparative Study on Corona Discharge Detection with Two Ultraviolet Imagers

HE Zhenhua; WANG Wei; HUANG Wenwu; DENG Wei; LI Lianlian; ZHANG Rui; BAI Bo

doi:10.13296/j.1001-1609.hva.2014.08.022

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Comparative Study on Corona Discharge Detection with Two Ultraviolet Imagers

更新时间：2025-04-26

- Comparative Study on Corona Discharge Detection with Two Ultraviolet Imagers
- High VoltageApparatus Vol. 50, Issue 8, Pages: 80-86(2014)
- 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：10.13296/j.1001-1609.hva.2014.08.022
  CLC： TM851
- Published：2014
- 稿件说明：
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[1]贺振华,王玮,黄文武,邓慰,李炼炼,张瑞,白波.两种紫外成像仪检测电晕放电的对比研究[J].高压电器,2014,50(08):80-86.

HE Zhenhua, WANG Wei, HUANG Wenwu, et al. Comparative Study on Corona Discharge Detection with Two Ultraviolet Imagers[J]. High voltageapparatus, 2014, 50(8): 80-86.
[1]贺振华,王玮,黄文武,邓慰,李炼炼,张瑞,白波.两种紫外成像仪检测电晕放电的对比研究[J].高压电器,2014,50(08):80-86. DOI： 10.13296/j.1001-1609.hva.2014.08.022.

HE Zhenhua, WANG Wei, HUANG Wenwu, et al. Comparative Study on Corona Discharge Detection with Two Ultraviolet Imagers[J]. High voltageapparatus, 2014, 50(8): 80-86. DOI： 10.13296/j.1001-1609.hva.2014.08.022.

摘要

文中通过提取紫外成像放电区域的面积

分别用CoroCAM504型的紫外成像仪和OFIL系列的紫外成像仪进行了棒—板间隙放电紫外成像特征的定量研究

对比分析目前两种主流紫外成像仪在检测电晕放电时的区别。试验表明:1在物距相同的条件下

两种紫外成像仪图像清晰度以及视场角不一致

OFIL系列更适合于细节拍摄;2在相同的情况下

随着增益的增加

两种紫外成像仪的光斑面积也相应增加

两者之间近似满足指数关系;3在相同的情况下

两种紫外成像仪的光斑面积都随距离的增加而减小

近似满足指数的变化特性;4在相同的试验条件下

相同电压等级下OFIL系列的紫外成像仪的紫外成像光斑面积大约为CoroCAM504型的紫外成像仪的0.5倍

增益值大约为CoroCAM504型的紫外成像仪的2倍。

Abstract

Based on calculating the area of ultraviolet image discharge

the UV image quantitative research for rod-plate air gaps discharge was carried on by using the type of CoroCAM504 and OFIL series ultraviolet（UV） imagers respectively. The purpose of this study was to carry out comparative analysis to the difference about detecting corona discharge between the two main UV imagers at the moment. The study shows that: 1At the same condition of object distance

the image definition and field angle of two UV imagers are different; In contrast

the OFIL series is more suitable for shooting in details; 2At the same condition

the discharge facular areas of two UV imagers both increase

with the increase of the gain. The gain and discharge facular area approximately satisfies exponential function; 3At the same condition

the discharge facular area of two UV imagers both decrease when increasing the distance. The distance and discharge facular area is approximately exponential; 4Under the same test conditions and the same voltage level

the discharge facular area of OFIL series ultraviolet image detecting instrument is about 0.5 times of CoroCAM504’s

and the gain value of OFIL’s is about 2 times of CoroCAM504’s.

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