Modulation strategy for wide-range ZVS operation of a three-level three-phase dual active bridge DC-DC converter

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Samenvatting

The modulation strategy proposed in this paper enables wide-range zero voltage switching (ZVS) operation of a three-level three-phase dual active bridge (DAB) dc-dc converter. The circuit topology is analyzed and piece-wise linear equations are derived for most appropriate switching modes. Based on the results of a numerical optimizer a modulation scheme is derived, utilizing analytic equations. Compared to optimal control variables, the proposed modulation scheme generates a higher transformer rms current for low power transfers, however, for high power levels it operates with a close-to-optimal transformer rms current. Simulations of the converter, obtained using the proposed modulation strategy, verify zero voltage switching (ZVS) operation and demonstrate an accurate power transfer for the full voltage range. Finally, experimental results, obtained from a high-power prototype, support the theoretical model and confirm correct operation of the proposed modulation strategy.
Originele taal-2Engels
TitelProceedings of the 32th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2017), 26-30 March 2017, Tampa, Florida
Plaats van productiePiscataway
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's3357-3364
Aantal pagina's8
ISBN van elektronische versie9781509053667
ISBN van geprinte versie978-1-5090-5365-0
DOI's
StatusGepubliceerd - 17 mei 2017
Evenement32th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2017) - Tampa, Verenigde Staten van Amerika
Duur: 26 mrt 201730 mrt 2017
Congresnummer: 32
http://www.apec-conf.org/

Congres

Congres32th Annual IEEE Applied Power Electronics Conference and Exposition (APEC 2017)
Verkorte titelAPEC 2017
LandVerenigde Staten van Amerika
StadTampa
Periode26/03/1730/03/17
Internet adres

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