A family of single-switch PWM converters with high step-up conversion ratio

Esam H. Ismail; Mustafa A. Al-Saffar; Ahmad J. Sabzali; Abbas A. Fardoun

doi:10.1109/TCSI.2008.916427

A family of single-switch PWM converters with high step-up conversion ratio

Esam H. Ismail, Mustafa A. Al-Saffar, Ahmad J. Sabzali, Abbas A. Fardoun

Department of Electrical and Communication Engineering

Research output: Contribution to journal › Article › peer-review

306 Citations (Scopus)

Abstract

A new family of a single-switch three-diode dc-dc pulsewidth-modulated (PWM) converters operating at constant frequency and constant duty cycle is presented in this paper. The proposed converters are different from the conventional dc-dc step-up converters, and they posses higher voltage gain with small output voltage ripples. Other advantages of the proposed converters include lower voltage stress on the semiconductor devices, simple structure, and control. Moreover, the reduced voltage stress on the diodes allows using Schottky diodes for alleviating the reverse-recovery current problem, as well as decreasing the switching and conduction losses. The principle of operation, theoretical analysis, and experimental results of one prototype rated 40 W and operating at 94 kHz are provided in this paper to verify the performance of this new family of converters.

Original language	English
Pages (from-to)	1159-1171
Number of pages	13
Journal	IEEE Transactions on Circuits and Systems I: Regular Papers
Volume	55
Issue number	4
DOIs	https://doi.org/10.1109/TCSI.2008.916427
Publication status	Published - May 2008

Keywords

DC-DC power conversion
Pulsewidth-modulated (PWM)
Step-up converter
Switched-mode power supplies

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/TCSI.2008.916427

Cite this

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title = "A family of single-switch PWM converters with high step-up conversion ratio",

abstract = "A new family of a single-switch three-diode dc-dc pulsewidth-modulated (PWM) converters operating at constant frequency and constant duty cycle is presented in this paper. The proposed converters are different from the conventional dc-dc step-up converters, and they posses higher voltage gain with small output voltage ripples. Other advantages of the proposed converters include lower voltage stress on the semiconductor devices, simple structure, and control. Moreover, the reduced voltage stress on the diodes allows using Schottky diodes for alleviating the reverse-recovery current problem, as well as decreasing the switching and conduction losses. The principle of operation, theoretical analysis, and experimental results of one prototype rated 40 W and operating at 94 kHz are provided in this paper to verify the performance of this new family of converters.",

keywords = "DC-DC power conversion, Pulsewidth-modulated (PWM), Step-up converter, Switched-mode power supplies",

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AU - Ismail, Esam H.

AU - Al-Saffar, Mustafa A.

AU - Sabzali, Ahmad J.

AU - Fardoun, Abbas A.

PY - 2008/5

Y1 - 2008/5

N2 - A new family of a single-switch three-diode dc-dc pulsewidth-modulated (PWM) converters operating at constant frequency and constant duty cycle is presented in this paper. The proposed converters are different from the conventional dc-dc step-up converters, and they posses higher voltage gain with small output voltage ripples. Other advantages of the proposed converters include lower voltage stress on the semiconductor devices, simple structure, and control. Moreover, the reduced voltage stress on the diodes allows using Schottky diodes for alleviating the reverse-recovery current problem, as well as decreasing the switching and conduction losses. The principle of operation, theoretical analysis, and experimental results of one prototype rated 40 W and operating at 94 kHz are provided in this paper to verify the performance of this new family of converters.

AB - A new family of a single-switch three-diode dc-dc pulsewidth-modulated (PWM) converters operating at constant frequency and constant duty cycle is presented in this paper. The proposed converters are different from the conventional dc-dc step-up converters, and they posses higher voltage gain with small output voltage ripples. Other advantages of the proposed converters include lower voltage stress on the semiconductor devices, simple structure, and control. Moreover, the reduced voltage stress on the diodes allows using Schottky diodes for alleviating the reverse-recovery current problem, as well as decreasing the switching and conduction losses. The principle of operation, theoretical analysis, and experimental results of one prototype rated 40 W and operating at 94 kHz are provided in this paper to verify the performance of this new family of converters.

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KW - Step-up converter

KW - Switched-mode power supplies

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A family of single-switch PWM converters with high step-up conversion ratio

Abstract

Keywords

ASJC Scopus subject areas

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