Step-Down Converter With Efficient ZVS Operation With Load Variation
A new step-down converter is presented. It is composed of an auxiliary switch, a diode, and a coupled winding to the buck inductor in the conventional buck converter. By transferring the buck-inductor current to the coupled winding in a very short period, the negatively built-up leakage inductor cur...
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| Veröffentlicht in: | IEEE transactions on industrial electronics (1982) 2014-01, Vol.61 (1), p.591-597 |
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| container_title | IEEE transactions on industrial electronics (1982) |
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| creator | Lee, Sung-Sae |
| description | A new step-down converter is presented. It is composed of an auxiliary switch, a diode, and a coupled winding to the buck inductor in the conventional buck converter. By transferring the buck-inductor current to the coupled winding in a very short period, the negatively built-up leakage inductor current of the buck winding guarantees the zero-voltage switching (ZVS) operation of the buck switch in all load conditions. Furthermore, since the negatively built-up leakage inductor current is minimized after the zero voltage of the buck switch is achieved, the unnecessary current build-up and the conduction loss are minimized. Therefore, efficient ZVS operation with load variation is achieved. The operation principle, ZVS analysis, design, and experimental results of the proposed converter are presented. |
| doi_str_mv | 10.1109/TIE.2013.2247015 |
| format | Article |
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It is composed of an auxiliary switch, a diode, and a coupled winding to the buck inductor in the conventional buck converter. By transferring the buck-inductor current to the coupled winding in a very short period, the negatively built-up leakage inductor current of the buck winding guarantees the zero-voltage switching (ZVS) operation of the buck switch in all load conditions. Furthermore, since the negatively built-up leakage inductor current is minimized after the zero voltage of the buck switch is achieved, the unnecessary current build-up and the conduction loss are minimized. Therefore, efficient ZVS operation with load variation is achieved. The operation principle, ZVS analysis, design, and experimental results of the proposed converter are presented.</description><identifier>ISSN: 0278-0046</identifier><identifier>EISSN: 1557-9948</identifier><identifier>DOI: 10.1109/TIE.2013.2247015</identifier><identifier>CODEN: ITIED6</identifier><language>eng</language><publisher>IEEE</publisher><subject>Buck converter ; Capacitors ; Equations ; Inductors ; Load management ; power conversion ; power electronics ; Switches ; Windings ; Zero voltage switching ; zero-voltage switching (ZVS)</subject><ispartof>IEEE transactions on industrial electronics (1982), 2014-01, Vol.61 (1), p.591-597</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c263t-d5378936ff7afaff9cd04ca69d9881965ba1c98e99c3bfd6811bfe6737ccbefa3</citedby><cites>FETCH-LOGICAL-c263t-d5378936ff7afaff9cd04ca69d9881965ba1c98e99c3bfd6811bfe6737ccbefa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6461407$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6461407$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Lee, Sung-Sae</creatorcontrib><title>Step-Down Converter With Efficient ZVS Operation With Load Variation</title><title>IEEE transactions on industrial electronics (1982)</title><addtitle>TIE</addtitle><description>A new step-down converter is presented. It is composed of an auxiliary switch, a diode, and a coupled winding to the buck inductor in the conventional buck converter. By transferring the buck-inductor current to the coupled winding in a very short period, the negatively built-up leakage inductor current of the buck winding guarantees the zero-voltage switching (ZVS) operation of the buck switch in all load conditions. Furthermore, since the negatively built-up leakage inductor current is minimized after the zero voltage of the buck switch is achieved, the unnecessary current build-up and the conduction loss are minimized. Therefore, efficient ZVS operation with load variation is achieved. The operation principle, ZVS analysis, design, and experimental results of the proposed converter are presented.</description><subject>Buck converter</subject><subject>Capacitors</subject><subject>Equations</subject><subject>Inductors</subject><subject>Load management</subject><subject>power conversion</subject><subject>power electronics</subject><subject>Switches</subject><subject>Windings</subject><subject>Zero voltage switching</subject><subject>zero-voltage switching (ZVS)</subject><issn>0278-0046</issn><issn>1557-9948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtKw0AUhgdRsFb3gpu8QOo5mftS2loLgS5aK7gJk8kZHNGkTILi29va4uqH_7b4GLtFmCCCvd8s55MCkE-KQmhAecZGKKXOrRXmnI2g0CYHEOqSXfX9OwAKiXLEZuuBdvms-26zadd-URooZS9xeMvmIUQfqR2y1-06W-0ouSF27TEsO9dkW5fin3fNLoL76OnmpGP2_DjfTJ_ycrVYTh_K3BeKD3kjuTaWqxC0Cy4E6xsQ3inbWGPQKlk79NaQtZ7XoVEGsQ6kNNfe1xQcHzM4_vrU9X2iUO1S_HTpp0KoDhSqPYXqQKE6UdhP7o6TSET_dSUUCtD8FyyxWS8</recordid><startdate>201401</startdate><enddate>201401</enddate><creator>Lee, Sung-Sae</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>201401</creationdate><title>Step-Down Converter With Efficient ZVS Operation With Load Variation</title><author>Lee, Sung-Sae</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c263t-d5378936ff7afaff9cd04ca69d9881965ba1c98e99c3bfd6811bfe6737ccbefa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Buck converter</topic><topic>Capacitors</topic><topic>Equations</topic><topic>Inductors</topic><topic>Load management</topic><topic>power conversion</topic><topic>power electronics</topic><topic>Switches</topic><topic>Windings</topic><topic>Zero voltage switching</topic><topic>zero-voltage switching (ZVS)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lee, Sung-Sae</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 (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE transactions on industrial electronics (1982)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Lee, Sung-Sae</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Step-Down Converter With Efficient ZVS Operation With Load Variation</atitle><jtitle>IEEE transactions on industrial electronics (1982)</jtitle><stitle>TIE</stitle><date>2014-01</date><risdate>2014</risdate><volume>61</volume><issue>1</issue><spage>591</spage><epage>597</epage><pages>591-597</pages><issn>0278-0046</issn><eissn>1557-9948</eissn><coden>ITIED6</coden><abstract>A new step-down converter is presented. It is composed of an auxiliary switch, a diode, and a coupled winding to the buck inductor in the conventional buck converter. By transferring the buck-inductor current to the coupled winding in a very short period, the negatively built-up leakage inductor current of the buck winding guarantees the zero-voltage switching (ZVS) operation of the buck switch in all load conditions. Furthermore, since the negatively built-up leakage inductor current is minimized after the zero voltage of the buck switch is achieved, the unnecessary current build-up and the conduction loss are minimized. Therefore, efficient ZVS operation with load variation is achieved. The operation principle, ZVS analysis, design, and experimental results of the proposed converter are presented.</abstract><pub>IEEE</pub><doi>10.1109/TIE.2013.2247015</doi><tpages>7</tpages></addata></record> |
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| ispartof | IEEE transactions on industrial electronics (1982), 2014-01, Vol.61 (1), p.591-597 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Buck converter Capacitors Equations Inductors Load management power conversion power electronics Switches Windings Zero voltage switching zero-voltage switching (ZVS) |
| title | Step-Down Converter With Efficient ZVS Operation With Load Variation |
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