Analysis on Abnormal Phenomenon of UV Detection in High Altitude Substation

JIA Zhijie; LIU Shoubao; LIU Fan; GAN Degang

doi:10.13296/j.1001-1609.hva.2015.03.017

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Analysis on Abnormal Phenomenon of UV Detection in High Altitude Substation

更新时间：2025-04-26

- Analysis on Abnormal Phenomenon of UV Detection in High Altitude Substation
- High VoltageApparatus Vol. 51, Issue 3, Pages: 99-104(2015)
- 作者机构：
  
  国网四川省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.03.017
  CLC： TM63
- Published：2015
- 稿件说明：
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[1]贾志杰,刘守豹,刘凡,甘德刚.高海拔变电站紫外检测异常现象分析[J].高压电器,2015,51(03):99-104.

JIA Zhijie, LIU Shoubao, LIU Fan, et al. Analysis on Abnormal Phenomenon of UV Detection in High Altitude Substation[J]. High voltageapparatus, 2015, 51(3): 99-104.
[1]贾志杰,刘守豹,刘凡,甘德刚.高海拔变电站紫外检测异常现象分析[J].高压电器,2015,51(03):99-104. DOI： 10.13296/j.1001-1609.hva.2015.03.017.

JIA Zhijie, LIU Shoubao, LIU Fan, et al. Analysis on Abnormal Phenomenon of UV Detection in High Altitude Substation[J]. High voltageapparatus, 2015, 51(3): 99-104. DOI： 10.13296/j.1001-1609.hva.2015.03.017.

摘要

500 kV色尔古变电站的500 kV设备场地电晕放电引起的可听噪声比其他500 kV变电站明显要大。而紫外检测技术主要是通过观测高压电气设备周围电晕放电

来分析判断与电晕放电有关的电气缺陷或故障。笔者介绍了紫外检测在色尔古站的开展情况、实验室环境下避雷器均压环模拟试验和避雷器均压环电场仿真计算

针对紫外检测异常现象进行了详细分析

认为高海拔、风力大和昼夜温差大导致设备均压环相色漆剥落是造成电晕噪声明显偏大的主要原因

并提出了改进措施。

Abstract

The audible noise caused by corona discharge of 500 kV electrical apparatus in Seergu substation is higher than that in other 500 kV substations. UV detection technology is used to detect defects and faults of high voltage electric apparatus by monitoring corona discharge around the apparatus. In this paper

the application of UV detection in Seergu substation is introduced

and the simulation test and electric field calculation of arrester grading ring are elaborated. The result shows that the obviously high corona noise is mainly caused by the colored paint stripping from the grading ring due to high altitude

strong wind

and great day- night temperature difference.Furthermore

some countermeasures are suggested.

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