Quantitative Relation of Ultraviolet Imaging Parameters of Corona Discharge

WANG Sheng-hui 1; GUO Wen-yi 2; Lü Fang-cheng 1; LIU Yun-peng 1

doi:10.13296/j.1001-1609.hva.2013.08.006

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Quantitative Relation of Ultraviolet Imaging Parameters of Corona Discharge

更新时间：2025-04-26

- Quantitative Relation of Ultraviolet Imaging Parameters of Corona Discharge
- High VoltageApparatus Vol. 49, Issue 8, Pages: 16-20+25(2013)
- 作者机构：
  
  1. 华北电力大学河北省输变电设备安全防御重点实验室
  2. 南方电网科学研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.08.006
  CLC： TM855
- Published：2013
- 稿件说明：
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[1]王胜辉,郭文义,律方成,刘云鹏.电晕放电紫外成像图像参量变化特性的研究[J].高压电器,2013,49(08):16-20+25.

WANG Sheng-hui 1, GUO Wen-yi 2, Lü Fang-cheng 1, et al. Quantitative Relation of Ultraviolet Imaging Parameters of Corona Discharge[J]. High voltageapparatus, 2013, 49(8): 16-20+25.
[1]王胜辉,郭文义,律方成,刘云鹏.电晕放电紫外成像图像参量变化特性的研究[J].高压电器,2013,49(08):16-20+25. DOI： 10.13296/j.1001-1609.hva.2013.08.006.

WANG Sheng-hui 1, GUO Wen-yi 2, Lü Fang-cheng 1, et al. Quantitative Relation of Ultraviolet Imaging Parameters of Corona Discharge[J]. High voltageapparatus, 2013, 49(8): 16-20+25. DOI： 10.13296/j.1001-1609.hva.2013.08.006.

摘要

观测距离和紫外成像仪的增益会影响到紫外成像仪的检测结果

笔者根据放电紫外成像仪的工作原理

利用数字图像处理算法分割提取了紫外图像中放电光斑区域

定义了"光斑面积"参数

利用该参数用于量化放电。研究了棒—板间隙电晕放电时的紫外图像

得到了光斑面积与紫外成像仪的观测距离、仪器增益两者之间的关系曲线并进行了理论上的分析。研究表明光斑面积与距离之间近似为平方反比关系

光斑面积与增益之间近似为指数关系

论文的研究结论为放电的量化提供了一种新的量化参数。

Abstract

Observing distance and gain affect the detection result of an ultraviolet（UV） imaging device.According to the working principle of UV imaging device

the facular region of discharge in a UV image was extracted segmentally with the digital image processing algorithm in this study

and a parameter

facular area

was defined to quantify discharge intensity.The UV image of corona discharge at rod-plate gap was analyzed

and the relation curves of facular area with UV imaging device’s observing distance and gain were obtained.Approximate inverse relation between the facular area and the square of observing distance as well as approximate exponential relation between the facular area and the gain were observed.This study may provide a new quantitative parameter for corona discharge quantification.

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