DC-Ripple-energy adaptive-minimization (DREAM) modulation scheme for a high power density inverter

Lingxiao Lincoln Xue, Gui Jia Su, Burak Ozpineci

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

The DC bus capacitor is one of the major power-density and reliability hurdles of electric drive systems. It is hard to shrink because it is constrained by the DC bus RMS ripple current, which is only load dependent. A dual-inverter based segmented drive can reduce the ripple current by ~50% compared to a non-segmented case. This paper analyzes the origin of this ripple current and points out the path for minimization. An optimal DC-ripple-energy adaptive-minimization (DREAM) modulation method is proposed to further reduce the ripple current. It is observed in experimental results that the proposed method can achieve additional 38% reduction over the traditional segmented drive system.

Original languageEnglish
Title of host publication2021 IEEE Applied Power Electronics Conference and Exposition, APEC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages186-191
Number of pages6
ISBN (Electronic)9781728189499
DOIs
StatePublished - Jun 14 2021
Event36th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2021 - Virtual, Online, United States
Duration: Jun 14 2021Jun 17 2021

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC

Conference

Conference36th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2021
Country/TerritoryUnited States
CityVirtual, Online
Period06/14/2106/17/21

Funding

This manuscript has been authored by UT-Battelle LLC under Contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan. (http://energy.gov/downloads/doe-public-access-plan).

FundersFunder number
U.S. Department of Energy
UT-BattelleDE-AC05-00OR22725

    Keywords

    • Capacitor ripple current
    • High density
    • Segmented drive
    • SiC
    • Space vector modulation

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