Analysis and Research of DC-link Ripple Current

WANG Shiping; CHEN Yanping; XIONG Hui; XIE Wen; DOU Zechun

doi:10.13890/j.issn.1000-128x.2016.01.006

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Analysis and Research of DC-link Ripple Current

更新时间：2021-12-13

- Analysis and Research of DC-link Ripple Current
- Electric Drive for Locomotives Issue 1, Pages: 35-37(2016)
- 作者机构：
  
  1. 株洲中车时代电气股份有限公司,湖南,株洲,412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2016.01.006
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WANG Shiping, CHEN Yanping, XIONG Hui, et al. Analysis and Research of DC-link Ripple Current. [J]. Electric Drive for Locomotives (1):35-37(2016)
DOI：

WANG Shiping, CHEN Yanping, XIONG Hui, et al. Analysis and Research of DC-link Ripple Current. [J]. Electric Drive for Locomotives (1):35-37(2016) DOI： 10.13890/j.issn.1000-128x.2016.01.006.

摘要

对DC-link 电容寿命及使用稳定性起关键作用的是电容本身的温升，而温升与系统施加在电容两端纹波电流的大小有直接关系。通过理论计算、仿真验证、实测验证等方法，总结归纳DC-link 纹波电流的计算方法，为工程人员合理选择DC-link 电容、设计散热方式及计算散热能力提供依据。

Abstract

Temperature rise of the capacitor played the key role for the DC-link capacitor life and using stability, while thetemperature rise depended on the ripple current. The calculation method of ripple current was summarized with theoretical calculation,simulation and test verification, which provided a basis for engineering personnel to choose the DC-link capacitor, design the coolingmethod and calculate the cooling capacity.

关键词

DC-link 电容功率组件纹波电流电容寿命温升交直交系统

Keywords

DC-link capacitorpower moduleripple currentcapacitor lifetemperature riseAC-DC-AC system

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