Characteristic of transformer magnetizing inrush current and its practical application

CHEN Jian~1; LI Wei~2

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Characteristic of transformer magnetizing inrush current and its practical application

更新时间：2025-11-18

- Characteristic of transformer magnetizing inrush current and its practical application
- Issue 4, Pages: 4-5+10(2005)
- 作者机构：
  
  1. 湖南省电力试验研究院
  2. 湖南电力调度通信中心湖南长沙410007
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM410
- Published：2005
- 稿件说明：
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[1]陈剑,李炜.变压器励磁涌流的特性分析及应用[J].湖南电力,2005(04):4-5+10.

CHEN Jian~1, LI Wei~2. Characteristic of transformer magnetizing inrush current and its practical application[J]. 2005, (4): 4-5+10.
[1]陈剑,李炜.变压器励磁涌流的特性分析及应用[J].湖南电力,2005(04):4-5+10. DOI：

CHEN Jian~1, LI Wei~2. Characteristic of transformer magnetizing inrush current and its practical application[J]. 2005, (4): 4-5+10. DOI：

摘要

由于变压器励磁涌流的存在

使得变压器差动保护有别于其他主设备及线路的差动保护。在现场工作的许多继电保护技术人员往往对变压器励磁涌流的机理概念模糊

造成其定值整定缺乏理论指导

往往凭经验给定。分析了变压器励磁涌流产生的机理

并给出了简洁明了的计算方法。

Abstract

It is the existent of magnetizing inrush current in transformer that differs transformer differential protection from differential protection of other main equipments and transmission lines. Many technologists in the fieldwork have ambiguous ideas about the theory of transformer magnetizing inrush current

so they set the protection settings by experience rather than by theoretical instruction. The theory of transformer magnetizing inrush current is thoroughly analyzed in this paper and the calculation method is given.

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