Split-Capacitor Dual-Active-Bridge Converter
In this article, a split-capacitor (SC) dual-active-bridge (DAB) converter is proposed. In the proposed converter, dc-link capacitors in both the input and output are split, and primary and secondary windings of the transformer are connected to midpoints of the input and output dc links, respectivel...
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| Veröffentlicht in: | IEEE transactions on industrial electronics (1982) 2021-02, Vol.68 (2), p.1445-1453 |
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| container_title | IEEE transactions on industrial electronics (1982) |
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| creator | Kim, Kisu Cha, Honnyong |
| description | In this article, a split-capacitor (SC) dual-active-bridge (DAB) converter is proposed. In the proposed converter, dc-link capacitors in both the input and output are split, and primary and secondary windings of the transformer are connected to midpoints of the input and output dc links, respectively. Although the switch current stress of the proposed converter is twice that of conventional DAB converter, its switch voltage stress is reduced to half. Therefore, the proposed converter has higher conduction loss than the conventional DAB converter, however, the switching loss can be reduced, which implies that the proposed converter is beneficial and can achieve higher efficiency than the conventional DAB converter as switching frequency increases. In addition, owing to the SC structure, no dc-blocking capacitors are required and the proposed converter can be readily connected to neutral-point-clamped or half-bridge-type converters without increasing the number of dc-link capacitors. To verify the performances of the proposed converter, 3-kW prototypes are built, tested, and compared. |
| doi_str_mv | 10.1109/TIE.2020.2969118 |
| format | Article |
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In the proposed converter, dc-link capacitors in both the input and output are split, and primary and secondary windings of the transformer are connected to midpoints of the input and output dc links, respectively. Although the switch current stress of the proposed converter is twice that of conventional DAB converter, its switch voltage stress is reduced to half. Therefore, the proposed converter has higher conduction loss than the conventional DAB converter, however, the switching loss can be reduced, which implies that the proposed converter is beneficial and can achieve higher efficiency than the conventional DAB converter as switching frequency increases. In addition, owing to the SC structure, no dc-blocking capacitors are required and the proposed converter can be readily connected to neutral-point-clamped or half-bridge-type converters without increasing the number of dc-link capacitors. To verify the performances of the proposed converter, 3-kW prototypes are built, tested, and compared.</description><identifier>ISSN: 0278-0046</identifier><identifier>EISSN: 1557-9948</identifier><identifier>DOI: 10.1109/TIE.2020.2969118</identifier><identifier>CODEN: ITIED6</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Bidirectional converter ; Capacitors ; Circuit faults ; Coils (windings) ; Conduction losses ; dc-blocking capacitor ; DH-HEMTs ; dual active bridge (DAB) ; Electric bridges ; Electric converters ; Pulse width modulation ; split capacitor (SC) ; Switches ; Switching ; Switching loss ; Zero voltage switching ; zero-voltage switching (ZVS)</subject><ispartof>IEEE transactions on industrial electronics (1982), 2021-02, Vol.68 (2), p.1445-1453</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c338t-d6351d728c048415ae1b38799b03635ab27ac349fd43ba213d0899478cc30e6d3</citedby><cites>FETCH-LOGICAL-c338t-d6351d728c048415ae1b38799b03635ab27ac349fd43ba213d0899478cc30e6d3</cites><orcidid>0000-0002-8589-3121 ; 0000-0003-1564-6552</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8982184$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8982184$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Kim, Kisu</creatorcontrib><creatorcontrib>Cha, Honnyong</creatorcontrib><title>Split-Capacitor Dual-Active-Bridge Converter</title><title>IEEE transactions on industrial electronics (1982)</title><addtitle>TIE</addtitle><description>In this article, a split-capacitor (SC) dual-active-bridge (DAB) converter is proposed. In the proposed converter, dc-link capacitors in both the input and output are split, and primary and secondary windings of the transformer are connected to midpoints of the input and output dc links, respectively. Although the switch current stress of the proposed converter is twice that of conventional DAB converter, its switch voltage stress is reduced to half. Therefore, the proposed converter has higher conduction loss than the conventional DAB converter, however, the switching loss can be reduced, which implies that the proposed converter is beneficial and can achieve higher efficiency than the conventional DAB converter as switching frequency increases. In addition, owing to the SC structure, no dc-blocking capacitors are required and the proposed converter can be readily connected to neutral-point-clamped or half-bridge-type converters without increasing the number of dc-link capacitors. To verify the performances of the proposed converter, 3-kW prototypes are built, tested, and compared.</description><subject>Bidirectional converter</subject><subject>Capacitors</subject><subject>Circuit faults</subject><subject>Coils (windings)</subject><subject>Conduction losses</subject><subject>dc-blocking capacitor</subject><subject>DH-HEMTs</subject><subject>dual active bridge (DAB)</subject><subject>Electric bridges</subject><subject>Electric converters</subject><subject>Pulse width modulation</subject><subject>split capacitor (SC)</subject><subject>Switches</subject><subject>Switching</subject><subject>Switching loss</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>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1Lw0AQhhdRMFbvgpeCV7fO7Ed291hj1ULBg_W8bDYbSYlN3CQF_70pKZ7mMM_7zvAQcouwQATzuF2vFgwYLJhJDaI-IwlKqagxQp-TBJjSFECkl-Sq63YAKCTKhDx8tHXV08y1zld9E-fPg6vp0vfVIdCnWBVfYZ41-0OIfYjX5KJ0dRduTnNGPl9W2-yNbt5f19lyQz3nuqdFyiUWimkPQguULmDOtTImBz6uXM6U81yYshA8dwx5AXp8U2nvOYS04DNyP_W2sfkZQtfbXTPE_XjSMiGVUZIBjhRMlI9N18VQ2jZW3y7-WgR7dGJHJ_boxJ6cjJG7KVKFEP5xbTRDLfgf6DNacA</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Kim, Kisu</creator><creator>Cha, Honnyong</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>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-8589-3121</orcidid><orcidid>https://orcid.org/0000-0003-1564-6552</orcidid></search><sort><creationdate>20210201</creationdate><title>Split-Capacitor Dual-Active-Bridge Converter</title><author>Kim, Kisu ; Cha, Honnyong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c338t-d6351d728c048415ae1b38799b03635ab27ac349fd43ba213d0899478cc30e6d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Bidirectional converter</topic><topic>Capacitors</topic><topic>Circuit faults</topic><topic>Coils (windings)</topic><topic>Conduction losses</topic><topic>dc-blocking capacitor</topic><topic>DH-HEMTs</topic><topic>dual active bridge (DAB)</topic><topic>Electric bridges</topic><topic>Electric converters</topic><topic>Pulse width modulation</topic><topic>split capacitor (SC)</topic><topic>Switches</topic><topic>Switching</topic><topic>Switching loss</topic><topic>Zero voltage switching</topic><topic>zero-voltage switching (ZVS)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Kisu</creatorcontrib><creatorcontrib>Cha, Honnyong</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>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on industrial electronics (1982)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kim, Kisu</au><au>Cha, Honnyong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Split-Capacitor Dual-Active-Bridge Converter</atitle><jtitle>IEEE transactions on industrial electronics (1982)</jtitle><stitle>TIE</stitle><date>2021-02-01</date><risdate>2021</risdate><volume>68</volume><issue>2</issue><spage>1445</spage><epage>1453</epage><pages>1445-1453</pages><issn>0278-0046</issn><eissn>1557-9948</eissn><coden>ITIED6</coden><abstract>In this article, a split-capacitor (SC) dual-active-bridge (DAB) converter is proposed. In the proposed converter, dc-link capacitors in both the input and output are split, and primary and secondary windings of the transformer are connected to midpoints of the input and output dc links, respectively. Although the switch current stress of the proposed converter is twice that of conventional DAB converter, its switch voltage stress is reduced to half. Therefore, the proposed converter has higher conduction loss than the conventional DAB converter, however, the switching loss can be reduced, which implies that the proposed converter is beneficial and can achieve higher efficiency than the conventional DAB converter as switching frequency increases. In addition, owing to the SC structure, no dc-blocking capacitors are required and the proposed converter can be readily connected to neutral-point-clamped or half-bridge-type converters without increasing the number of dc-link capacitors. To verify the performances of the proposed converter, 3-kW prototypes are built, tested, and compared.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIE.2020.2969118</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-8589-3121</orcidid><orcidid>https://orcid.org/0000-0003-1564-6552</orcidid></addata></record> |
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| ispartof | IEEE transactions on industrial electronics (1982), 2021-02, Vol.68 (2), p.1445-1453 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Bidirectional converter Capacitors Circuit faults Coils (windings) Conduction losses dc-blocking capacitor DH-HEMTs dual active bridge (DAB) Electric bridges Electric converters Pulse width modulation split capacitor (SC) Switches Switching Switching loss Zero voltage switching zero-voltage switching (ZVS) |
| title | Split-Capacitor Dual-Active-Bridge Converter |
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