A Comparative Study of Modulation Strategies for Diode-Clamped Full-Bridge Three-Level Isolated DC/DC Converter

Dong Liu, Jiahui Wu, Yanbo Wang, Fujin Deng, Zhe Chen

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Abstrakt

The diode-clamped full-bridge (FB) three-level isolated DC/DC converter (TL-IDC) is one of the most competitive candidates for the medium-voltage applications. Many modulation strategies have been proposed for the diode-clamped FB TL-IDC. However, there is no comprehensive comparative study of theses modulation strategies. Accordingly, this paper conducts a comprehensive comparison analysis among main modulation strategies in the aspects of the duty cycle loss, ZVS range, transformer's voltage stress, power device currents, thermal performance, and converter's efficiency with the consideration of the used type of power switch (MOSFET or IGBT) for the primary switches. Additionally, an experimental prototype is built for implementing and testing these modulation strategies.
OriginalsprogEngelsk
Titel2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC 2020-ECCE Asia)
ForlagIEEE
Publikationsdato2020
Sider266-272
ISBN (Trykt)978-1-7281-5302-5
ISBN (Elektronisk)978-1-7281-5301-8
DOI
StatusUdgivet - 2020
Begivenhed2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia) - Nanjing, Kina
Varighed: 29 nov. 20202 dec. 2020

Konference

Konference2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia)
LandKina
ByNanjing
Periode29/11/202002/12/2020

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