IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER

This report describes a novel soft-switched quasi-resonant DC/DC boost converter. Recently, remarkable efforts have been made in soft-switched quasi-resonant DC/DC converters to reduce losses and improve power efficiency. This project presents a new technique and it had improved the performance o...

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Main Author: Dung, Tran Minh
Format: Final Year Project
Language:English
Published: Universiti Teknologi Petronas 2006
Subjects:
Online Access:http://utpedia.utp.edu.my/7011/1/2006%20-%20IMPROVEMENT%20STUDY%20ON%20SOFT-SWITCHED%20QUASI-RESONANT%20DCDC%20BOOST%20CONVERTER.pdf
http://utpedia.utp.edu.my/7011/
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spelling my-utp-utpedia.70112017-01-25T09:45:59Z http://utpedia.utp.edu.my/7011/ IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER Dung, Tran Minh TK Electrical engineering. Electronics Nuclear engineering This report describes a novel soft-switched quasi-resonant DC/DC boost converter. Recently, remarkable efforts have been made in soft-switched quasi-resonant DC/DC converters to reduce losses and improve power efficiency. This project presents a new technique and it had improved the performance of the most recent study on soft-switched quasi-resonant DC/DC boost converter, which is presented in Ba-Thunya and Prasad's study [1]. The proposed converter employs an active snubber circuit with an auxiliary switch in series with a clamp capacitor to reduce powerlosses in Ba-Thunya and Prasad's original an active snubber circuit with an auxiliary switch and a clamp diode to reduce power losses in Ba-Thunya and Prasad's original converter. The energy from the snubber inductor after the auxiliary switch turn-off is returned to the input or delivered to the output via the active snubber circuit, thus the voltage stress onthe main switch is reduced and switching losses are minimized. Furthermore, the proposed converter reduces the reverse-recovery-related losses of the boost rectifier by controlling the di/dt rate of the rectifier current with the snubber inductor. This report describes the principle of operation of the new soft-switched quasi-resonant DC/DC boost converter. The feasibility study of the proposed converter is investigated using PSPICE program. Universiti Teknologi Petronas 2006-12 Final Year Project NonPeerReviewed application/pdf en http://utpedia.utp.edu.my/7011/1/2006%20-%20IMPROVEMENT%20STUDY%20ON%20SOFT-SWITCHED%20QUASI-RESONANT%20DCDC%20BOOST%20CONVERTER.pdf Dung, Tran Minh (2006) IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER. Universiti Teknologi Petronas. (Unpublished)
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Electronic and Digitized Intellectual Asset
url_provider http://utpedia.utp.edu.my/
language English
topic TK Electrical engineering. Electronics Nuclear engineering
spellingShingle TK Electrical engineering. Electronics Nuclear engineering
Dung, Tran Minh
IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER
description This report describes a novel soft-switched quasi-resonant DC/DC boost converter. Recently, remarkable efforts have been made in soft-switched quasi-resonant DC/DC converters to reduce losses and improve power efficiency. This project presents a new technique and it had improved the performance of the most recent study on soft-switched quasi-resonant DC/DC boost converter, which is presented in Ba-Thunya and Prasad's study [1]. The proposed converter employs an active snubber circuit with an auxiliary switch in series with a clamp capacitor to reduce powerlosses in Ba-Thunya and Prasad's original an active snubber circuit with an auxiliary switch and a clamp diode to reduce power losses in Ba-Thunya and Prasad's original converter. The energy from the snubber inductor after the auxiliary switch turn-off is returned to the input or delivered to the output via the active snubber circuit, thus the voltage stress onthe main switch is reduced and switching losses are minimized. Furthermore, the proposed converter reduces the reverse-recovery-related losses of the boost rectifier by controlling the di/dt rate of the rectifier current with the snubber inductor. This report describes the principle of operation of the new soft-switched quasi-resonant DC/DC boost converter. The feasibility study of the proposed converter is investigated using PSPICE program.
format Final Year Project
author Dung, Tran Minh
author_facet Dung, Tran Minh
author_sort Dung, Tran Minh
title IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER
title_short IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER
title_full IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER
title_fullStr IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER
title_full_unstemmed IMPROVEMENT STUDY ON SOFT-SWITCHED QUASI-RESONANT DC/DC BOOST CONVERTER
title_sort improvement study on soft-switched quasi-resonant dc/dc boost converter
publisher Universiti Teknologi Petronas
publishDate 2006
url http://utpedia.utp.edu.my/7011/1/2006%20-%20IMPROVEMENT%20STUDY%20ON%20SOFT-SWITCHED%20QUASI-RESONANT%20DCDC%20BOOST%20CONVERTER.pdf
http://utpedia.utp.edu.my/7011/
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score 13.222552