Influence of Phase Selection of Making Switch on High Power Test

ZHANG Jinbo; ZHE Yongxiang; LIU Haojun; DONG Wei; CHEN Xiaoke

doi:10.13296/j.1001-1609.hva.2017.06.021

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Influence of Phase Selection of Making Switch on High Power Test

更新时间：2025-04-26

- Influence of Phase Selection of Making Switch on High Power Test
- High VoltageApparatus Vol. 53, Issue 6, Pages: 124-128(2017)
- 作者机构：
  
  西安高压电器研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.06.021
  CLC： TM564
- Published：2017
- 稿件说明：
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[1]张晋波,者永祥,刘浩军,董玮,陈小柯.合闸开关选相对容量试验的影响研究[J].高压电器,2017,53(06):124-128.

ZHANG Jinbo, ZHE Yongxiang, LIU Haojun, et al. Influence of Phase Selection of Making Switch on High Power Test[J]. High voltageapparatus, 2017, 53(6): 124-128.
[1]张晋波,者永祥,刘浩军,董玮,陈小柯.合闸开关选相对容量试验的影响研究[J].高压电器,2017,53(06):124-128. DOI： 10.13296/j.1001-1609.hva.2017.06.021.

ZHANG Jinbo, ZHE Yongxiang, LIU Haojun, et al. Influence of Phase Selection of Making Switch on High Power Test[J]. High voltageapparatus, 2017, 53(6): 124-128. DOI： 10.13296/j.1001-1609.hva.2017.06.021.

摘要

容量试验中短路电流直流分量的大小直接影响电流过零点的di/dt与TRV

对直流分量的精确控制直接关系到试验质量与效率。容量实验室通常控制3台独立的合闸开关分别进行选相合闸以产生满足要求的直流分量。文中运用理论分析方法找出了产生完全对称短路电流和最大非对称短路电流的选相方法

并对一种含有Y/△变压器的回路进行了分析

总结了根据电流波形判断合闸开关关合顺序的方法。

Abstract

The DC component of short-circuit current in high power test affects di/dt and TRV at zero crossing point

and the quality and efficiency of the test depend on accurate control of the DC component.In the high power test

three separate switches are used for phase-selection closing to obtain the required short-circuit current.In this paper

the phase selection methods for respectively generating the fully symmetrical and the maximum asymmetrical short-circuit current are obtained through theory analysis

and the method for setting closing time series according to current waveform is summarized.Besides

a circuit containing Y/△ transformer is analyzed.

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Related Author

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Related Institution

Guangzhou Electric Power Design Institute Co., Ltd.

China Southern Power Grid Company Limited

西安交通大学电气工程学院陕西西安710049

School of Electrical Engineering,Xi’an Jiaotong University,Xi’an710049,China)A

Shaanxi Electric Power Design Institute,Xi′an

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