Research and Simulation of the Inrush Current for the CRH3 EMUs Traction Transformer

doi:10.13890/j.issn.1000-128x.2011.01.004

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Research and Simulation of the Inrush Current for the CRH3 EMUs Traction Transformer

更新时间：2021-12-13

- Research and Simulation of the Inrush Current for the CRH3 EMUs Traction Transformer
- Electric Drive for Locomotives Issue 1, Pages: 14-16(2011)
- 作者机构：
  
  1. 唐山轨道客车有限责任公司产品研发中心
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2011.01.004
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Research and Simulation of the Inrush Current for the CRH3 EMUs Traction Transformer. [J]. Electric Drive for Locomotives (1):14-16(2011)
DOI：

Research and Simulation of the Inrush Current for the CRH3 EMUs Traction Transformer. [J]. Electric Drive for Locomotives (1):14-16(2011) DOI： 10.13890/j.issn.1000-128x.2011.01.004.

摘要

通过对牵引变压器励磁涌流产生机理及性质进行简要分析，结合CRH3 型高速动车组牵引变压器特性，使用MATLAB 软件对其进行了仿真建模分析，仿真结果和实际的工程技术参数相符合，验证了所建模型的正确性，同时通过傅里叶分析器对励磁涌流进行了谐波分析，分析结果表明高速动车组牵引变压器采用二次谐波制动比的差动保护方法是可行的。

Abstract

Based on the analysis of the mechanism and properties of the traction transformer inrush current , and specially on the characteristic of the CRH3 EMUs traction transformer, the simulation was carried out by the the MATLAB software, the result of the simulation in accordance with the actually technical parameter, which validated the model. Meanwhile analyzed the inrush current with Fourier method, and the result of the analysis proves that the method of EMUs traction transformer differential protection by estimation secondary harmonic proportion is possible.

关键词

牵引变压器励磁涌流差动保护电动车组

Keywords

traction transformerinrush currentdifferential protectionEMU

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