A new wide-range soft-switching PWM boost DC-DC converter with an edge-resonant switched capacitor in continuous conduction mode

Author

Itoh, Hayato ; Mishima, Takeshi ; Nakaoka, Mutsuo

Author_Institution

Grad. Sch. of Maritime Sci., Kobe Univ., Kobe, Japan

fYear

2012

fDate

11-14 Nov. 2012

Firstpage

1

Lastpage

6

Abstract

This paper presents a newly-developed soft switching PWM boost dc-dc converter in continuous conduction mode (CCM). The soft switching boost dc-dc converter consists of an edge-resonant switched capacitor (ER-SWC) cell, providing the wide-range soft commutations for all the switching power devices. The voltage stress inherent to the CCM scheme can be reduced by employing a lossless auxiliary circuit. The converter operation and performance are verified by experiments, and the effective reduction of the voltage stress and the efficiency improvement are originally demonstrated as well as its voltage conversion ratio.

Keywords

DC-DC power convertors; PWM power convertors; capacitor switching; resonant power convertors; switching convertors; zero current switching; zero voltage switching; CCM scheme; ER-SWC cell; continuous conduction mode; edge-resonant switched capacitor; lossless auxiliary circuit; switching power device; voltage conversion ratio; voltage stress reduction; wide-range soft commutation; wide-range soft-switching PWM boost DC-DC converter; Capacitors; Inductors; Pulse width modulation; Soft switching; Stress; Switches; Video recording;

fLanguage

English

Publisher

ieee

Conference_Titel

Renewable Energy Research and Applications (ICRERA), 2012 International Conference on

Conference_Location

Nagasaki

Print_ISBN

978-1-4673-2328-4

Electronic_ISBN

978-1-4673-2329-1

Type

conf

DOI

10.1109/ICRERA.2012.6477262

Filename

6477262