Calculation and Selection of the Key Parameters of Power Supply for UHV AC Artificial Contamination Test

SUN Lipeng; LI Zhiyuan; JIANG Zhenglong; LI Qinpu; FANG Zhen

doi:10.13296/j.1001-1609.hva.2015.08.003

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Calculation and Selection of the Key Parameters of Power Supply for UHV AC Artificial Contamination Test

更新时间：2025-04-26

- Calculation and Selection of the Key Parameters of Power Supply for UHV AC Artificial Contamination Test
- High VoltageApparatus Vol. 51, Issue 8, Pages: 16-23(2015)
- 作者机构：
  
  1. 国网湖南省电力公司电力科学研究院
  2. 中国新时代国际工程公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2015.08.003
  CLC： TN86;TM752
- Published：2015
- 稿件说明：
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[1]孙利朋,李志愿,蒋正龙,李勤朴,方针.特高压人工交流污秽试验电源关键参数的选型计算分析[J].高压电器,2015,51(08):16-23.

SUN Lipeng, LI Zhiyuan, JIANG Zhenglong, et al. Calculation and Selection of the Key Parameters of Power Supply for UHV AC Artificial Contamination Test[J]. High voltageapparatus, 2015, 51(8): 16-23.
[1]孙利朋,李志愿,蒋正龙,李勤朴,方针.特高压人工交流污秽试验电源关键参数的选型计算分析[J].高压电器,2015,51(08):16-23. DOI： 10.13296/j.1001-1609.hva.2015.08.003.

SUN Lipeng, LI Zhiyuan, JIANG Zhenglong, et al. Calculation and Selection of the Key Parameters of Power Supply for UHV AC Artificial Contamination Test[J]. High voltageapparatus, 2015, 51(8): 16-23. DOI： 10.13296/j.1001-1609.hva.2015.08.003.

摘要

特高压交流污秽试验电源是进行特高压及以下电压等级被试品人工交流污秽和覆冰试验的主要设备

其参数选择是否正确直接关系到试验结果的可靠性。笔者提出了交流污秽试验电源关键参数的计算方法

并分析了各关键参数对特高压及以下电压等级被试品进行交流污秽试验的影响。计算结果表明:对不同电压等级的被试品进行交流污秽试验时

为获得理想的试验结果

应选用不同阻值的保护电阻;进行特高压被试品的交流污秽试验时

污秽试验变压器的抗短路能力至少为其额定电流的9倍

进行超高压及以下电压等级的被试品的交流污秽试验时

污秽试验变压器的抗短路能力至少为其额定电流的6倍。

Abstract

The power supply for ultra-high voltage（UHV）AC contamination test is a main equipment in artificial contamination and icing tests at AC UHV level or below

so the test reliability depends on the selection of its parameters. The authors put forward a method for calculating key parameters of the power supply

and analyze the influences of the key parameters on the artificial contamination test at AC UHV level or below. Calculation results show that: for different test voltage level

protective resistor with corresponding resistance should be selected in order to obtain satisfactory results of the AC contamination test; the withstand short circuit capacity of the transformer should be at least 9 times of its rated current for UHV AC contamination test

and at least 6 times for EHV or lower voltage contamination test.

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