Simulation of Transformer Recovery Surge Based on MATLAB

CHU Xiao-rui

doi:10.13296/j.1001-1609.hva.2012.01.013

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Simulation of Transformer Recovery Surge Based on MATLAB

更新时间：2025-04-26

- Simulation of Transformer Recovery Surge Based on MATLAB
- High VoltageApparatus Vol. 48, Issue 1, Pages: 53-57(2012)
- 作者机构：
  
  西昌学院工程技术学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.01.013
  CLC： TM407
- Published：2012
- 稿件说明：
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[1]褚晓锐.基于MATLAB的变压器恢复性涌流仿真研究[J].高压电器,2012,48(01):53-57.

CHU Xiao-rui. Simulation of Transformer Recovery Surge Based on MATLAB[J]. High voltageapparatus, 2012, 48(1): 53-57.
[1]褚晓锐.基于MATLAB的变压器恢复性涌流仿真研究[J].高压电器,2012,48(01):53-57. DOI： 10.13296/j.1001-1609.hva.2012.01.013.

CHU Xiao-rui. Simulation of Transformer Recovery Surge Based on MATLAB[J]. High voltageapparatus, 2012, 48(1): 53-57. DOI： 10.13296/j.1001-1609.hva.2012.01.013.

摘要

旨在研究变压器区外故障被切除后的暂态过程特性

为变压器差动保护的正确动作提供理论参考。首先从变压器恢复性涌流产生暂态过程进行分析;其次利用了MATLAB中的电力系统模块库（PSB）建立变压器区外故障时恢复性涌流产生的数字仿真模型

并对对恢复性涌流的影响因素和二次谐波进行仿真分析;最后根据仿真结果分析得到变压器恢复性涌流本身不会引起变压器差动保护误动

但是由于变压器各侧的电流互感器暂态特性不一致形成的差流

可能导致差动保护误动的结论。

Abstract

To investigate the transient state of a transformer after clearance of external faults for reliable differential protection

the transient process due to recovery surge of transformer is analyzed

and a simulation model is built by using the power system blockset（PSB） in MATLAB to simulate influencing factors on recovery surge and second harmonics.Simulation results indicate that recovery surge itself dose not cause misoperation of differential protection of transformer

however the differential currents caused by different transient characteristics of the current-transformers at both sides of a transformer may lead to misoperation of differential protection of the transformer.

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