Research on Soft-switching Choppers in Maglev Trains

LI; Yungang; WANG Ning; TAN Ying; CHENG Hu

doi:10.13890/j.issn.1000-128x.2014.05.011

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Research on Soft-switching Choppers in Maglev Trains

更新时间：2021-12-13

- Research on Soft-switching Choppers in Maglev Trains
- Electric Drive for Locomotives Issue 5, Pages: 38-41(2014)
- 作者机构：
  
  1. 国防科学技术大学机电工程与自动化学院，
  2. 墨尔本大学工程学院
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2014.05.011
  CLC：
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LI, Yungang, WANG Ning, et al. Research on Soft-switching Choppers in Maglev Trains. [J]. Electric Drive for Locomotives (5):38-41(2014)
DOI：

LI, Yungang, WANG Ning, et al. Research on Soft-switching Choppers in Maglev Trains. [J]. Electric Drive for Locomotives (5):38-41(2014) DOI： 10.13890/j.issn.1000-128x.2014.05.011.

摘要

研究磁悬浮列车中基于AACC的软开关悬浮斩波器的优化设计问题。在分析电路工作原理的基础上，通过对谐振过程进行数学分析，表明该电路的谐振过程与外界条件无关，因而可减少谐振电路的设计约束；分析主开关管的开通时刻不准确对软开通效果的影响，提出采用检测方式来控制其开通时刻，并探讨具体方法。

Abstract

Optimal design for choppers in maglev trains were focused on with active auxiliary commutation circuit (AACC) techniques.Based on the operation principle and mathematical resonance analysis, it was shown that the resonance procedure of the proposed circuit was independent of the operational condition, which simplified circuits design constraints; Imprecise switching-on time on main device soft switches effect was also analyzed, which led to a general detection method to control the switching-on time, moreover, implementation issues were discussed to provide insight for engineers.

关键词

磁悬浮列车斩波器软开关PWM谐振主动辅助换流电路（AACC）

Keywords

maglev trainchoppersoft-switchingPWMresonanceAACC

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