Study on the Capacitive Voltage Rising of AC Test for Tank Type MOA in GIS

ZHU Hu; LUO Yang; ZHOU Bo; LIU Jia; CHEN Jia; HU Minheng; GAO Jixin

doi:10.13296/j.1001-1609.hva.2018.04.037

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Study on the Capacitive Voltage Rising of AC Test for Tank Type MOA in GIS

更新时间：2025-04-26

- Study on the Capacitive Voltage Rising of AC Test for Tank Type MOA in GIS
- High VoltageApparatus Vol. 54, Issue 4, Pages: 239-244(2018)
- 作者机构：
  
  国网成都供电公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.04.037
  CLC： TM862
- Published：2018
- 稿件说明：
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[1]朱虎,罗杨,周波,刘佳,陈佳,胡敏恒,高纪新.GIS罐式避雷器交流试验中的容升电压分析[J].高压电器,2018,54(04):239-244.

ZHU Hu, LUO Yang, ZHOU Bo, et al. Study on the Capacitive Voltage Rising of AC Test for Tank Type MOA in GIS[J]. High voltageapparatus, 2018, 54(4): 239-244.
[1]朱虎,罗杨,周波,刘佳,陈佳,胡敏恒,高纪新.GIS罐式避雷器交流试验中的容升电压分析[J].高压电器,2018,54(04):239-244. DOI： 10.13296/j.1001-1609.hva.2018.04.037.

ZHU Hu, LUO Yang, ZHOU Bo, et al. Study on the Capacitive Voltage Rising of AC Test for Tank Type MOA in GIS[J]. High voltageapparatus, 2018, 54(4): 239-244. DOI： 10.13296/j.1001-1609.hva.2018.04.037.

摘要

为考验GIS罐式金属氧化物避雷器（MOA）的性能

需要测试MOA技术参数。GIS罐式MOA位于GIS罐体内部

可采用外装套管直接加压法或PT感应加压法实现对罐式MOA交流参数测试。然而

由于试验回路中各部分对地电容及试验变或PT电抗的存在

往往会诱发容升电压

从而导致被试设备两端的电压高于外施电源电压

造成试验数据异常甚至可能损坏设备。文中就引起容升效应的避雷器试验回路进行了分析

探讨了回路电容和漏电感对容升电压的影响

发现了容升率与回路电容和漏电感之间的关联关系

提出了用于GIS罐式MOA现场交接验收试验的一些建议

以利于指导生产实践。

Abstract

In order to check the performance of tank type metal oxide arrester（MOA）which is located into the GIS

the technical parameters of tank MOA should be detected. Because the tank type MOA is located into the GIS

thetest voltage could be acquired through the exterior bushing or induced voltage of PT. However

the ground capaci-tance of the testing circuit and the leakage reactance of testing transformer or PT would lead to the capacitance-raisedvoltage

which could make the tested equipment suffer higher voltage than applied voltage. In this paper

the reasonsof capacitance-raised voltage of the tank MOA in GIS are analyzed based on the test circuit. It is indicated that howthe ground capacitance and leakage inductance influence the capacitance-raised voltage. Some suggestions are pro-posed

to guide the hand-over test of tank type MOA in GIS.

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