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An Improved ZVT-ZCT PWM DC-DC Boost Converter With Increased Efficiency

A new active snubber cell is proposed for a dc-dc boost converter. Zero voltage transition (ZVT) turn on and zero current transition (ZCT) turn off are provided by this active snubber cell. There is no extra current or voltage stresses on the main switch. Also, zero current switching (ZCS) turn on a...

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Published in:	IEEE transactions on power electronics 2014-04, Vol.29 (4), p.1919-1926
Main Author:	Akin, Burak
Format:	Article
Language:	English
Subjects:	Active snubber Applied sciences Circuit properties Connection and protection apparatus Electric currents Electric power Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electronic circuits Electronics Energy efficiency Exact sciences and technology Output Power electronics, power supplies Signal convertors Switching Switching, multiplexing, switched capacity circuits Transformers zero current switching (ZCS) zero current transition (ZCT) zero voltage switching (ZVS) zero voltage transition (ZVT)
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cited_by	cdi_FETCH-LOGICAL-c323t-8a42e63f011c62a0869b99342220d7816172ecd68c6b9feb20c5dcd0dc9cc8e43
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container_title	IEEE transactions on power electronics
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creator	Akin, Burak
description	A new active snubber cell is proposed for a dc-dc boost converter. Zero voltage transition (ZVT) turn on and zero current transition (ZCT) turn off are provided by this active snubber cell. There is no extra current or voltage stresses on the main switch. Also, zero current switching (ZCS) turn on and ZCT turn off are provided for the auxiliary switch. Although there is no extra voltage stress on the auxiliary switch, a current stress is present. However, auxiliary switch current stress is decreased by coupling inductance. The coupling inductance transfers the part of the current stress to the output load according to the transform ratio. In this paper, the ZVT-ZCT PWM dc-dc boost converter's steady-state analysis is proposed for one switching cycle. Experimental application and theoretical analysis are proved by 300 W prototype with 100 kHz switching frequency. As a result, an improved ZVT-ZCT PWM boost converter reaches 98.7% total efficiency at full load with lowered current stress.
doi_str_mv	10.1109/TPEL.2013.2269172
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Zero voltage transition (ZVT) turn on and zero current transition (ZCT) turn off are provided by this active snubber cell. There is no extra current or voltage stresses on the main switch. Also, zero current switching (ZCS) turn on and ZCT turn off are provided for the auxiliary switch. Although there is no extra voltage stress on the auxiliary switch, a current stress is present. However, auxiliary switch current stress is decreased by coupling inductance. The coupling inductance transfers the part of the current stress to the output load according to the transform ratio. In this paper, the ZVT-ZCT PWM dc-dc boost converter's steady-state analysis is proposed for one switching cycle. Experimental application and theoretical analysis are proved by 300 W prototype with 100 kHz switching frequency. 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Electrical power engineering</topic><topic>Electronic circuits</topic><topic>Electronics</topic><topic>Energy efficiency</topic><topic>Exact sciences and technology</topic><topic>Output</topic><topic>Power electronics, power supplies</topic><topic>Signal convertors</topic><topic>Switching</topic><topic>Switching, multiplexing, switched capacity circuits</topic><topic>Transformers</topic><topic>zero current switching (ZCS)</topic><topic>zero current transition (ZCT)</topic><topic>zero voltage switching (ZVS)</topic><topic>zero voltage transition (ZVT)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Akin, Burak</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library Online</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Akin, Burak</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Improved ZVT-ZCT PWM DC-DC Boost Converter With Increased Efficiency</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2014-04-01</date><risdate>2014</risdate><volume>29</volume><issue>4</issue><spage>1919</spage><epage>1926</epage><pages>1919-1926</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>A new active snubber cell is proposed for a dc-dc boost converter. Zero voltage transition (ZVT) turn on and zero current transition (ZCT) turn off are provided by this active snubber cell. There is no extra current or voltage stresses on the main switch. Also, zero current switching (ZCS) turn on and ZCT turn off are provided for the auxiliary switch. Although there is no extra voltage stress on the auxiliary switch, a current stress is present. However, auxiliary switch current stress is decreased by coupling inductance. The coupling inductance transfers the part of the current stress to the output load according to the transform ratio. In this paper, the ZVT-ZCT PWM dc-dc boost converter's steady-state analysis is proposed for one switching cycle. Experimental application and theoretical analysis are proved by 300 W prototype with 100 kHz switching frequency. 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source	IEEE Electronic Library (IEL) Journals
subjects	Active snubber Applied sciences Circuit properties Connection and protection apparatus Electric currents Electric power Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electronic circuits Electronics Energy efficiency Exact sciences and technology Output Power electronics, power supplies Signal convertors Switching Switching, multiplexing, switched capacity circuits Transformers zero current switching (ZCS) zero current transition (ZCT) zero voltage switching (ZVS) zero voltage transition (ZVT)
title	An Improved ZVT-ZCT PWM DC-DC Boost Converter With Increased Efficiency
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