Design optimization for asymmetrical ZVS-PWM zeta converter

Author

Wu, Tsai-Fu ; Liang, Shih-An ; Chen, Yaow-Ming

Author_Institution

Dept. of Electr. Eng., Nat. Chung Cheng Univ., Chia-Yi, Taiwan

Volume

39

Issue

2

fYear

2003

fDate

4/1/2003 12:00:00 AM

Firstpage

521

Lastpage

532

Abstract

In this paper, a new soft-switching Zeta converter with an asymmetrical pulsewidth modulation (PWM) control is proposed. The proposed Zeta converter has the features of constant frequency operation, zero voltage switching (ZVS), and low voltage stress on the active switches. Moreover, it can achieve high power density, high efficiency, low switching loss, and low component count, which make converter operation at low to medium power level feasible. Operational principle of the Zeta converter is presented in detail, and a specific example is designed and implemented to verify its feasibility.

Keywords

PWM power convertors; losses; switching convertors; active switches; asymmetrical ZVS-PWM zeta converter; asymmetrical pulsewidth modulation control; component count; constant frequency operation; design optimization; efficiency; low voltage stress; power density; soft-switching Zeta converter; switching loss; zero voltage switching; Design optimization; Frequency conversion; Low voltage; Pulse width modulation; Pulse width modulation converters; Stress; Switches; Switching converters; Switching loss; Zero voltage switching;

fLanguage

English

Journal_Title

Aerospace and Electronic Systems, IEEE Transactions on

Publisher

ieee

ISSN

0018-9251

Type

jour

DOI

10.1109/TAES.2003.1207264

Filename

1207264