Title :
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
fDate :
4/1/2003 12:00:00 AM
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;
Journal_Title :
Aerospace and Electronic Systems, IEEE Transactions on
DOI :
10.1109/TAES.2003.1207264
