Design of high power density DC Bus Converter based on LLC resonant converter with synchronous rectifier
The LLC resonant converter can easily achieve soft-switching and magnetic components integration that makes it an excellent candidate for DC bus converter. In low voltage high output current applications, the design of synchronous rectifier (SR) and transformer is the key issue. A SR driving scheme...
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| creator | Niu Huapeng Pei Yunqing Yang Xu Wang Laili Wang Zhaoan |
| description | The LLC resonant converter can easily achieve soft-switching and magnetic components integration that makes it an excellent candidate for DC bus converter. In low voltage high output current applications, the design of synchronous rectifier (SR) and transformer is the key issue. A SR driving scheme with less circuit complexity is adopted for switching frequency at the resonant frequency in this paper. Using magnetic motive force (MMF) diagrams both in space and time, the loss model of the center-tapped planar transformer is proposed that provides insight into the mechanism of the skin and proximity losses and that also yields quantitative results. The finite-element analysis (FEA) is applied to demonstrate the loss model. A prototype of 1/4 brick, 48 V to 12 V, 500 W output bus converter is built to verify the result. 96.6% efficiency at full load and 300 W/in 3 power density are achieved. |
| doi_str_mv | 10.1109/IPEMC.2009.5157446 |
| format | Conference Proceeding |
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In low voltage high output current applications, the design of synchronous rectifier (SR) and transformer is the key issue. A SR driving scheme with less circuit complexity is adopted for switching frequency at the resonant frequency in this paper. Using magnetic motive force (MMF) diagrams both in space and time, the loss model of the center-tapped planar transformer is proposed that provides insight into the mechanism of the skin and proximity losses and that also yields quantitative results. The finite-element analysis (FEA) is applied to demonstrate the loss model. A prototype of 1/4 brick, 48 V to 12 V, 500 W output bus converter is built to verify the result. 96.6% efficiency at full load and 300 W/in 3 power density are achieved.</description><identifier>ISBN: 1424435560</identifier><identifier>ISBN: 9781424435562</identifier><identifier>EISBN: 1424435579</identifier><identifier>EISBN: 9781424435579</identifier><identifier>DOI: 10.1109/IPEMC.2009.5157446</identifier><language>eng</language><publisher>IEEE</publisher><subject>Complexity theory ; Finite element methods ; Low voltage ; Magnetic analysis ; Magnetic resonance ; Rectifiers ; Resonant frequency ; Skin ; Strontium ; Switching frequency</subject><ispartof>2009 IEEE 6th International Power Electronics and Motion Control Conference, 2009, p.540-543</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5157446$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2052,27902,54895</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5157446$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Niu Huapeng</creatorcontrib><creatorcontrib>Pei Yunqing</creatorcontrib><creatorcontrib>Yang Xu</creatorcontrib><creatorcontrib>Wang Laili</creatorcontrib><creatorcontrib>Wang Zhaoan</creatorcontrib><title>Design of high power density DC Bus Converter based on LLC resonant converter with synchronous rectifier</title><title>2009 IEEE 6th International Power Electronics and Motion Control Conference</title><addtitle>IPEMC</addtitle><description>The LLC resonant converter can easily achieve soft-switching and magnetic components integration that makes it an excellent candidate for DC bus converter. In low voltage high output current applications, the design of synchronous rectifier (SR) and transformer is the key issue. A SR driving scheme with less circuit complexity is adopted for switching frequency at the resonant frequency in this paper. Using magnetic motive force (MMF) diagrams both in space and time, the loss model of the center-tapped planar transformer is proposed that provides insight into the mechanism of the skin and proximity losses and that also yields quantitative results. The finite-element analysis (FEA) is applied to demonstrate the loss model. A prototype of 1/4 brick, 48 V to 12 V, 500 W output bus converter is built to verify the result. 96.6% efficiency at full load and 300 W/in 3 power density are achieved.</description><subject>Complexity theory</subject><subject>Finite element methods</subject><subject>Low voltage</subject><subject>Magnetic analysis</subject><subject>Magnetic resonance</subject><subject>Rectifiers</subject><subject>Resonant frequency</subject><subject>Skin</subject><subject>Strontium</subject><subject>Switching frequency</subject><isbn>1424435560</isbn><isbn>9781424435562</isbn><isbn>1424435579</isbn><isbn>9781424435579</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2009</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFkM1OwzAQhI0QElD6AnDxCzTsJrYTHyFtoVIQHHqv8rNujMCu7ECVtycSFcxlNPo0cxjGbhESRND3m7fVS5mkADqRKHMh1Bm7RpEKkUmZ6_P_oOCSzWN8h0lCZlikV6xfUrR7x73hvd33_OCPFHhHLtph5MuSP35FXnr3TWGYQFNH6rh3vKpKHih6V7uBt3_8aIeex9G1ffDOT9VA7WCNpXDDLkz9EWl-8hnbrlfb8nlRvT5tyodqYTUMi0ynJgVVgFKFyVvMC9KgmgIlqLzupNJCpLJAypFQtNhJ0RgQigCMQpLZjN39zloi2h2C_azDuDsdk_0AEg5W5Q</recordid><startdate>200905</startdate><enddate>200905</enddate><creator>Niu Huapeng</creator><creator>Pei Yunqing</creator><creator>Yang Xu</creator><creator>Wang Laili</creator><creator>Wang Zhaoan</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200905</creationdate><title>Design of high power density DC Bus Converter based on LLC resonant converter with synchronous rectifier</title><author>Niu Huapeng ; Pei Yunqing ; Yang Xu ; Wang Laili ; Wang Zhaoan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-392f20680668f7c178e906b815067ad569442581e71e14c1d54bf046e00f61e53</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Complexity theory</topic><topic>Finite element methods</topic><topic>Low voltage</topic><topic>Magnetic analysis</topic><topic>Magnetic resonance</topic><topic>Rectifiers</topic><topic>Resonant frequency</topic><topic>Skin</topic><topic>Strontium</topic><topic>Switching frequency</topic><toplevel>online_resources</toplevel><creatorcontrib>Niu Huapeng</creatorcontrib><creatorcontrib>Pei Yunqing</creatorcontrib><creatorcontrib>Yang Xu</creatorcontrib><creatorcontrib>Wang Laili</creatorcontrib><creatorcontrib>Wang Zhaoan</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Niu Huapeng</au><au>Pei Yunqing</au><au>Yang Xu</au><au>Wang Laili</au><au>Wang Zhaoan</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Design of high power density DC Bus Converter based on LLC resonant converter with synchronous rectifier</atitle><btitle>2009 IEEE 6th International Power Electronics and Motion Control Conference</btitle><stitle>IPEMC</stitle><date>2009-05</date><risdate>2009</risdate><spage>540</spage><epage>543</epage><pages>540-543</pages><isbn>1424435560</isbn><isbn>9781424435562</isbn><eisbn>1424435579</eisbn><eisbn>9781424435579</eisbn><abstract>The LLC resonant converter can easily achieve soft-switching and magnetic components integration that makes it an excellent candidate for DC bus converter. In low voltage high output current applications, the design of synchronous rectifier (SR) and transformer is the key issue. A SR driving scheme with less circuit complexity is adopted for switching frequency at the resonant frequency in this paper. Using magnetic motive force (MMF) diagrams both in space and time, the loss model of the center-tapped planar transformer is proposed that provides insight into the mechanism of the skin and proximity losses and that also yields quantitative results. The finite-element analysis (FEA) is applied to demonstrate the loss model. A prototype of 1/4 brick, 48 V to 12 V, 500 W output bus converter is built to verify the result. 96.6% efficiency at full load and 300 W/in 3 power density are achieved.</abstract><pub>IEEE</pub><doi>10.1109/IPEMC.2009.5157446</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2009 IEEE 6th International Power Electronics and Motion Control Conference, 2009, p.540-543 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Complexity theory Finite element methods Low voltage Magnetic analysis Magnetic resonance Rectifiers Resonant frequency Skin Strontium Switching frequency |
| title | Design of high power density DC Bus Converter based on LLC resonant converter with synchronous rectifier |
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