A Low Loss Orthogonal Decoupling Magnetic Integrated Structure for Dual Active Bridge Converter
The volume of magnetic components (transformer and inductor) in a dual active bridge (DAB) converter is a crucial factor determining its power density. This article proposes an orthogonal decoupling magnetic integrated structure (ODMIS) for DAB converter, which aims to reduce the volume of the trans...
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| Veröffentlicht in: | IEEE transactions on power electronics 2022-06, Vol.37 (6), p.7013-7027 |
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| container_title | IEEE transactions on power electronics |
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| creator | Cao, Zhenkai Chen, Wu Shen, Zhan Chen, Yichen Jin, Long Ma, Dajun Zou, Biao |
| description | The volume of magnetic components (transformer and inductor) in a dual active bridge (DAB) converter is a crucial factor determining its power density. This article proposes an orthogonal decoupling magnetic integrated structure (ODMIS) for DAB converter, which aims to reduce the volume of the transformer and inductor. The integrated series inductor and magnetizing inductor do not affect each other in the ODMIS, so the design process of the transformer and inductor can be separated. The condition to realize magnetic circuits decoupling of the transformer and inductor is derived. The loss characteristics of the magnetic core are analyzed, and the optimal decoupling condition to minimize the core loss is also derived. A 400 V/6 kW/20 kHz DAB converter prototype is built to validate the effectiveness of the ODMIS. The measured full-load overall efficiency of the DAB test platform is 97.55%, and the power density of the magnetic integrated components is 10.08 kW/L. Finally, the prototype comparisons between the proposed ODMIS and two existing magnetic integrated structures and discrete magnetic component method are conducted, and the advanced feature of the ODMIS is illustrated. |
| doi_str_mv | 10.1109/TPEL.2021.3133068 |
| format | Article |
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This article proposes an orthogonal decoupling magnetic integrated structure (ODMIS) for DAB converter, which aims to reduce the volume of the transformer and inductor. The integrated series inductor and magnetizing inductor do not affect each other in the ODMIS, so the design process of the transformer and inductor can be separated. The condition to realize magnetic circuits decoupling of the transformer and inductor is derived. The loss characteristics of the magnetic core are analyzed, and the optimal decoupling condition to minimize the core loss is also derived. A 400 V/6 kW/20 kHz DAB converter prototype is built to validate the effectiveness of the ODMIS. The measured full-load overall efficiency of the DAB test platform is 97.55%, and the power density of the magnetic integrated components is 10.08 kW/L. Finally, the prototype comparisons between the proposed ODMIS and two existing magnetic integrated structures and discrete magnetic component method are conducted, and the advanced feature of the ODMIS is illustrated.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2021.3133068</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Core loss ; Decoupling ; Electric bridges ; Electric converters ; High-frequency magnetic components ; Inductance ; Inductors ; loss characteristic analysis ; magnetic circuit orthogonal decoupling ; Magnetic circuits ; Magnetic cores ; Magnetic flux ; magnetic integrated structure ; Magnetic separation ; optimal decoupling condition ; Prototypes ; Transformers ; Windings</subject><ispartof>IEEE transactions on power electronics, 2022-06, Vol.37 (6), p.7013-7027</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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This article proposes an orthogonal decoupling magnetic integrated structure (ODMIS) for DAB converter, which aims to reduce the volume of the transformer and inductor. The integrated series inductor and magnetizing inductor do not affect each other in the ODMIS, so the design process of the transformer and inductor can be separated. The condition to realize magnetic circuits decoupling of the transformer and inductor is derived. The loss characteristics of the magnetic core are analyzed, and the optimal decoupling condition to minimize the core loss is also derived. A 400 V/6 kW/20 kHz DAB converter prototype is built to validate the effectiveness of the ODMIS. The measured full-load overall efficiency of the DAB test platform is 97.55%, and the power density of the magnetic integrated components is 10.08 kW/L. Finally, the prototype comparisons between the proposed ODMIS and two existing magnetic integrated structures and discrete magnetic component method are conducted, and the advanced feature of the ODMIS is illustrated.</description><subject>Core loss</subject><subject>Decoupling</subject><subject>Electric bridges</subject><subject>Electric converters</subject><subject>High-frequency magnetic components</subject><subject>Inductance</subject><subject>Inductors</subject><subject>loss characteristic analysis</subject><subject>magnetic circuit orthogonal decoupling</subject><subject>Magnetic circuits</subject><subject>Magnetic cores</subject><subject>Magnetic flux</subject><subject>magnetic integrated structure</subject><subject>Magnetic separation</subject><subject>optimal decoupling condition</subject><subject>Prototypes</subject><subject>Transformers</subject><subject>Windings</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEFLw0AQhRdRsFZ_gHhZ8Jw6s5tNs8faVi1EKljPy2YzjSk1qZtNxX9vSouHYS7ve_A-xm4RRoigH1Zv82wkQOBIopSQpGdsgDrGCBDG52wAaaqiVGt5ya7adgOAsQIcMDPhWfPTX9vypQ-fTdnUdstn5Jput63qkr_asqZQOb6oA5XeBir4e_CdC50nvm48n3U9MXGh2hN_9FVREp829Z58IH_NLtZ229LN6Q_Zx9N8NX2JsuXzYjrJIie0DJEGbeNCKgJnU53kBEC5VZCME0hzhXlhZSEoAWs1KJsiUQ5CW1Q0Fi51csjuj70733x31AazaTrfT2mNSIRGMZYK-xQeU873gz2tzc5XX9b_GgRz8GgOHs3Bozl57Jm7I1MR0X9eJ7GSQsk_Np9uwg</recordid><startdate>20220601</startdate><enddate>20220601</enddate><creator>Cao, Zhenkai</creator><creator>Chen, Wu</creator><creator>Shen, Zhan</creator><creator>Chen, Yichen</creator><creator>Jin, Long</creator><creator>Ma, Dajun</creator><creator>Zou, Biao</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-1835-7564</orcidid><orcidid>https://orcid.org/0000-0003-3610-8016</orcidid><orcidid>https://orcid.org/0000-0002-7962-8292</orcidid><orcidid>https://orcid.org/0000-0003-4385-4180</orcidid><orcidid>https://orcid.org/0000-0002-8811-9668</orcidid></search><sort><creationdate>20220601</creationdate><title>A Low Loss Orthogonal Decoupling Magnetic Integrated Structure for Dual Active Bridge Converter</title><author>Cao, Zhenkai ; Chen, Wu ; Shen, Zhan ; Chen, Yichen ; Jin, Long ; Ma, Dajun ; Zou, Biao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-909a4d35e0ca896be00eba5067608b51bda3d2e60aa905a81eeb029a15e72c8c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Core loss</topic><topic>Decoupling</topic><topic>Electric bridges</topic><topic>Electric converters</topic><topic>High-frequency magnetic components</topic><topic>Inductance</topic><topic>Inductors</topic><topic>loss characteristic analysis</topic><topic>magnetic circuit orthogonal decoupling</topic><topic>Magnetic circuits</topic><topic>Magnetic cores</topic><topic>Magnetic flux</topic><topic>magnetic integrated structure</topic><topic>Magnetic separation</topic><topic>optimal decoupling condition</topic><topic>Prototypes</topic><topic>Transformers</topic><topic>Windings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cao, Zhenkai</creatorcontrib><creatorcontrib>Chen, Wu</creatorcontrib><creatorcontrib>Shen, Zhan</creatorcontrib><creatorcontrib>Chen, Yichen</creatorcontrib><creatorcontrib>Jin, Long</creatorcontrib><creatorcontrib>Ma, Dajun</creatorcontrib><creatorcontrib>Zou, Biao</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><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_linktorsrc</fulltext></delivery><addata><au>Cao, Zhenkai</au><au>Chen, Wu</au><au>Shen, Zhan</au><au>Chen, Yichen</au><au>Jin, Long</au><au>Ma, Dajun</au><au>Zou, Biao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Low Loss Orthogonal Decoupling Magnetic Integrated Structure for Dual Active Bridge Converter</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2022-06-01</date><risdate>2022</risdate><volume>37</volume><issue>6</issue><spage>7013</spage><epage>7027</epage><pages>7013-7027</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>The volume of magnetic components (transformer and inductor) in a dual active bridge (DAB) converter is a crucial factor determining its power density. This article proposes an orthogonal decoupling magnetic integrated structure (ODMIS) for DAB converter, which aims to reduce the volume of the transformer and inductor. The integrated series inductor and magnetizing inductor do not affect each other in the ODMIS, so the design process of the transformer and inductor can be separated. The condition to realize magnetic circuits decoupling of the transformer and inductor is derived. The loss characteristics of the magnetic core are analyzed, and the optimal decoupling condition to minimize the core loss is also derived. A 400 V/6 kW/20 kHz DAB converter prototype is built to validate the effectiveness of the ODMIS. The measured full-load overall efficiency of the DAB test platform is 97.55%, and the power density of the magnetic integrated components is 10.08 kW/L. Finally, the prototype comparisons between the proposed ODMIS and two existing magnetic integrated structures and discrete magnetic component method are conducted, and the advanced feature of the ODMIS is illustrated.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2021.3133068</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0002-1835-7564</orcidid><orcidid>https://orcid.org/0000-0003-3610-8016</orcidid><orcidid>https://orcid.org/0000-0002-7962-8292</orcidid><orcidid>https://orcid.org/0000-0003-4385-4180</orcidid><orcidid>https://orcid.org/0000-0002-8811-9668</orcidid></addata></record> |
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| subjects | Core loss Decoupling Electric bridges Electric converters High-frequency magnetic components Inductance Inductors loss characteristic analysis magnetic circuit orthogonal decoupling Magnetic circuits Magnetic cores Magnetic flux magnetic integrated structure Magnetic separation optimal decoupling condition Prototypes Transformers Windings |
| title | A Low Loss Orthogonal Decoupling Magnetic Integrated Structure for Dual Active Bridge Converter |
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