Analysis of System Interharmonics of VSI-Fed Small DC-Link Drive with Varying Power Load

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Abstrakt

Small dc-link drive is a research focus in the past years, due to its compact size and improved reliability. However, the small dc-link drive with diode rectifier may suffer from resonance between the system input inductor and the dc-link capacitor, which will result in unacceptable grid current harmonic distortion. Various passive- and active-damping methods have been studied to mitigate the undesired oscillations in the grid current and dc-link voltage caused by the resonance. However, the above studies only focus on constant power load conditions. In this paper, the system performance on periodic varying power load conditions is analyzed. The harmonics and interharmonics at both sides of the dc-link stage are studied analytically. Simulation and experiment results are provided to support the analytical study.
OriginalsprogEngelsk
TitelProceedings of the 2018 IEEE Energy Conversion Congress and Exposition, ECCE 2018
Antal sider8
ForlagIEEE Press
Publikationsdatosep. 2018
Sider3347-3354
Artikelnummer8557550
ISBN (Trykt)978-1-4799-7313-2
ISBN (Elektronisk)978-1-4799-7312-5
DOI
StatusUdgivet - sep. 2018
Begivenhed10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018 - Portland, USA
Varighed: 23 sep. 201827 sep. 2018

Konference

Konference10th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2018
LandUSA
ByPortland
Periode23/09/201827/09/2018
SponsorIEEE Industry Applications Society (IAS), IEEE Power Electronic Society (PELS)
NavnIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

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