Several Methods to Reduce Transformer Inrush Current

CHEN Yan; CHEN Xiao-chuan; GAO Shi-bin

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Several Methods to Reduce Transformer Inrush Current

更新时间：2025-04-26

- Several Methods to Reduce Transformer Inrush Current
- High VoltageApparatus Issue 4, Pages: 282-285(2005)
- 作者机构：
  
  1. 西南交通大学电气工程学院
  2. 西南交通大学电气工程学院四川成都610031
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM41
- Published：2005
- 稿件说明：
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[1]陈艳,陈小川,高仕斌.几种削减变压器励磁涌流的方法[J].高压电器,2005(04):282-285.

CHEN Yan, CHEN Xiao-chuan, GAO Shi-bin. Several Methods to Reduce Transformer Inrush Current[J]. High voltageapparatus, 2005, (4): 282-285.
[1]陈艳,陈小川,高仕斌.几种削减变压器励磁涌流的方法[J].高压电器,2005(04):282-285. DOI：

CHEN Yan, CHEN Xiao-chuan, GAO Shi-bin. Several Methods to Reduce Transformer Inrush Current[J]. High voltageapparatus, 2005, (4): 282-285. DOI：

摘要

变压器在空载合闸时将产生很大的励磁涌流

这种励磁涌流对变压器的稳定运行极为不利。为削减这种励磁涌流

提出了3种方法:控制三相开关合闸的时间法

内插电阻法和改变变压器绕组的分布法。理论分析和实验表明

这3种方法各有其优缺点

都能有效地削减励磁涌流

前两种方法的可行性更好。

Abstract

Large inrush current occurs when energizing unloaded transformer in power system

which provides unfavorable condition in transformer operation. Three methods are proposed in this paper to reduce inrush current: by controlled three-phase switching; by resistor insertion and by changing the distribution of coil winding. The three methods are proved to be effective both by the theoretical and practical considerations which all have advantages and disadvantages

but the feasibility of the former two methods is better.

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