Novel zero voltage transition PWM multi-phase converters

Author

Cho, Jung-Goo ; Baek, Ju-Won ; Rim, Geun-Hie ; Kang, Iouri

Author_Institution

Power Electron. Res. Div., Korea Electrotechnol. Res. Inst., Changwon, South Korea

Volume

1

fYear

1996

Firstpage

500

Abstract

New zero voltage transition (ZVT) PWM multi-phase power converters are presented. To construct a ZVT multi-phase power converter in a conventional way, it is necessary to add auxiliary circuits-as many as the number of phases. In the proposed power converter, only one auxiliary circuit provides the zero voltage switching (ZVS) for main switches and diodes of all phases. So, the new power converters are cost effective and attractive for high performance and high power density conversion applications. Operation, features and characteristics of a two-phase buck power converter are illustrated and verified on a 4 kW, 100 kHz IGBT based (MOSFET for the auxiliary switch) experimental circuit

Keywords

PWM power convertors; bipolar transistor switches; field effect transistor switches; insulated gate bipolar transistors; power MOSFET; power bipolar transistors; power field effect transistors; power semiconductor switches; switching circuits; 100 kHz; 4 kW; IGBT; MOSFET; PWM multi-phase power converter; ZVS; auxiliary circuit; characteristics; performance; power density; two-phase buck power converter; zero voltage switching; Costs; Diodes; Insulated gate bipolar transistors; MOSFET circuits; Pulse width modulation; Pulse width modulation converters; Switches; Switching circuits; Switching converters; Zero voltage switching;

fLanguage

English

Publisher

ieee

Conference_Titel

Applied Power Electronics Conference and Exposition, 1996. APEC '96. Conference Proceedings 1996., Eleventh Annual

Conference_Location

San Jose, CA

Print_ISBN

0-7803-3044-7

Type

conf

DOI

10.1109/APEC.1996.500488

Filename

500488