A Novel ZVT-ZCT-PWM Boost Converter

Author

Altintas, Nihan ; Bakan, A. Faruk ; Aksoy, Ismail

Author_Institution

Dept. of Electr. Eng., Yildiz Tech. Univ., Istanbul, Turkey

Volume

29

Issue

1

fYear

2014

fDate

Jan. 2014

Firstpage

256

Lastpage

265

Abstract

In this study, a new boost converter with an active snubber cell is proposed. The active snubber cell provides main switch to turn ON with zero-voltage transition (ZVT) and to turn OFF with zero-current transition (ZCT). The proposed converter incorporating this snubber cell can operate with soft switching at high frequencies. Also, in this converter all semiconductor devices operate with soft switching. There is no additional voltage stress across the main and auxiliary components. The converter has a simple structure, minimum number of components, and ease of control as well. The operation principle and detailed steady-state analysis of the novel ZVT-ZCT-PWM boost converter are given. The presented theoretical analysis is verified exactly by a prototype of 100 kHz and 1 kW converter. Also, the overall efficiency of the new converter has reached a value of 97.8% at nominal output power.

Keywords

PWM power convertors; switching convertors; zero current switching; zero voltage switching; ZVT-ZCT-PWM boost converter; active snubber cell; auxiliary component; frequency 1 kHz; power 1 kW; semiconductor device; soft switching; voltage stress; zero-current transition; zero-voltage transition; Capacitors; Inductance; Snubbers; Soft switching; Switches; Transistors; Zero current switching; DC–DC converter; soft switching; zero voltage transition (ZVT); zero-current transition (ZCT);

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/TPEL.2013.2252197

Filename

6481529