A Transformerless Bipolar Modular Multilevel DC–DC Converter With Wide Voltage Ratios
This paper presents a transformerless bipolar dc- dc converter based on series-connected submodules. It is intended for transforming dc voltage and managing power flow for medium/high-voltage dc grids. The dc-dc converter is composed of positive-pole and negative-pole subsystems, each of which consi...
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| Veröffentlicht in: | IEEE transactions on power electronics 2017-11, Vol.32 (11), p.8312-8321 |
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| container_title | IEEE transactions on power electronics |
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| creator | Du, Sixing Wu, Bin |
| description | This paper presents a transformerless bipolar dc- dc converter based on series-connected submodules. It is intended for transforming dc voltage and managing power flow for medium/high-voltage dc grids. The dc-dc converter is composed of positive-pole and negative-pole subsystems, each of which consists of six arms/branches. Every two arms and one branch are constructed into a T-type circuit with the outer terminals interface to primary- and secondary-side dc buses. The two T-type circuits in one subsystem are connected in parallel to transmit power between primary and secondary sides. The transformerless structure (none bulky coupled inductors as well) solves the challengeable insulation and cooling issues of the extremely high-power magnetics in prior arts, while not sacrificing the power efficiency and system reliability. A ±10-kV 2-MW simulation model performed in MATLAB/Simulink verifies the feasibility of the bipolar dc-dc converter. Experimental results obtained from a laboratory setup also confirm the validation of the proposal. |
| doi_str_mv | 10.1109/TPEL.2016.2640662 |
| format | Article |
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Experimental results obtained from a laboratory setup also confirm the validation of the proposal.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2016.2640662</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Capacitors ; Circuits ; Computer simulation ; Converters ; dc grids ; DC-DC power converters ; DC–DC converter ; Electric potential ; Energy conversion efficiency ; High voltages ; Inductors ; Insulation ; Magnetics ; Parallel connected ; Power efficiency ; Power flow ; Power transformer insulation ; single-stage power conversion ; Subsystems ; System reliability ; Topology ; transformerless multilevel converter ; Voltage control ; Voltage converters (DC to DC)</subject><ispartof>IEEE transactions on power electronics, 2017-11, Vol.32 (11), p.8312-8321</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-f5bf678acd6e7bbc437a593a67cd1ff89874ebaa67b9a40302d9ca96c34c51033</citedby><cites>FETCH-LOGICAL-c293t-f5bf678acd6e7bbc437a593a67cd1ff89874ebaa67b9a40302d9ca96c34c51033</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7784780$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7784780$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Du, Sixing</creatorcontrib><creatorcontrib>Wu, Bin</creatorcontrib><title>A Transformerless Bipolar Modular Multilevel DC–DC Converter With Wide Voltage Ratios</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>This paper presents a transformerless bipolar dc- dc converter based on series-connected submodules. It is intended for transforming dc voltage and managing power flow for medium/high-voltage dc grids. The dc-dc converter is composed of positive-pole and negative-pole subsystems, each of which consists of six arms/branches. Every two arms and one branch are constructed into a T-type circuit with the outer terminals interface to primary- and secondary-side dc buses. The two T-type circuits in one subsystem are connected in parallel to transmit power between primary and secondary sides. The transformerless structure (none bulky coupled inductors as well) solves the challengeable insulation and cooling issues of the extremely high-power magnetics in prior arts, while not sacrificing the power efficiency and system reliability. A ±10-kV 2-MW simulation model performed in MATLAB/Simulink verifies the feasibility of the bipolar dc-dc converter. Experimental results obtained from a laboratory setup also confirm the validation of the proposal.</description><subject>Capacitors</subject><subject>Circuits</subject><subject>Computer simulation</subject><subject>Converters</subject><subject>dc grids</subject><subject>DC-DC power converters</subject><subject>DC–DC converter</subject><subject>Electric potential</subject><subject>Energy conversion efficiency</subject><subject>High voltages</subject><subject>Inductors</subject><subject>Insulation</subject><subject>Magnetics</subject><subject>Parallel connected</subject><subject>Power efficiency</subject><subject>Power flow</subject><subject>Power transformer insulation</subject><subject>single-stage power conversion</subject><subject>Subsystems</subject><subject>System reliability</subject><subject>Topology</subject><subject>transformerless multilevel converter</subject><subject>Voltage control</subject><subject>Voltage converters (DC to DC)</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kMtKAzEUhoMoWKsPIG4CrqfmTDK5LOu0XqCiSLXLkMlkdMq0qcm04M538A19Eqe2uDk_B77_HPgQOgcyACDqavo0ngxSAnyQckY4Tw9QDxSDhAARh6hHpMwSqRQ9RicxzgkBlhHoodkQT4NZxsqHhQuNixFf1yvfmIAffLn-y3XT1o3buAaP8p-v71GOc7_cuNC6gGd1-96N0uFX37TmzeFn09Y-nqKjyjTRne2zj15uxtP8Lpk83t7nw0liU0XbpMqKigtpbMmdKArLqDCZooYLW0JVSSUFc4Xp9kIZRihJS2WN4pYymwGhtI8ud3dXwX-sXWz13K_DsnupUxCMcQCQHQU7ygYfY3CVXoV6YcKnBqK3_vTWn97603t_Xedi16mdc_-8EJIJSegvWXps5w</recordid><startdate>201711</startdate><enddate>201711</enddate><creator>Du, Sixing</creator><creator>Wu, Bin</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></search><sort><creationdate>201711</creationdate><title>A Transformerless Bipolar Modular Multilevel DC–DC Converter With Wide Voltage Ratios</title><author>Du, Sixing ; Wu, Bin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-f5bf678acd6e7bbc437a593a67cd1ff89874ebaa67b9a40302d9ca96c34c51033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Capacitors</topic><topic>Circuits</topic><topic>Computer simulation</topic><topic>Converters</topic><topic>dc grids</topic><topic>DC-DC power converters</topic><topic>DC–DC converter</topic><topic>Electric potential</topic><topic>Energy conversion efficiency</topic><topic>High voltages</topic><topic>Inductors</topic><topic>Insulation</topic><topic>Magnetics</topic><topic>Parallel connected</topic><topic>Power efficiency</topic><topic>Power flow</topic><topic>Power transformer insulation</topic><topic>single-stage power conversion</topic><topic>Subsystems</topic><topic>System reliability</topic><topic>Topology</topic><topic>transformerless multilevel converter</topic><topic>Voltage control</topic><topic>Voltage converters (DC to DC)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Du, Sixing</creatorcontrib><creatorcontrib>Wu, Bin</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>Du, Sixing</au><au>Wu, Bin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Transformerless Bipolar Modular Multilevel DC–DC Converter With Wide Voltage Ratios</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2017-11</date><risdate>2017</risdate><volume>32</volume><issue>11</issue><spage>8312</spage><epage>8321</epage><pages>8312-8321</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>This paper presents a transformerless bipolar dc- dc converter based on series-connected submodules. It is intended for transforming dc voltage and managing power flow for medium/high-voltage dc grids. The dc-dc converter is composed of positive-pole and negative-pole subsystems, each of which consists of six arms/branches. Every two arms and one branch are constructed into a T-type circuit with the outer terminals interface to primary- and secondary-side dc buses. The two T-type circuits in one subsystem are connected in parallel to transmit power between primary and secondary sides. The transformerless structure (none bulky coupled inductors as well) solves the challengeable insulation and cooling issues of the extremely high-power magnetics in prior arts, while not sacrificing the power efficiency and system reliability. A ±10-kV 2-MW simulation model performed in MATLAB/Simulink verifies the feasibility of the bipolar dc-dc converter. Experimental results obtained from a laboratory setup also confirm the validation of the proposal.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TPEL.2016.2640662</doi><tpages>10</tpages></addata></record> |
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| identifier | ISSN: 0885-8993 |
| ispartof | IEEE transactions on power electronics, 2017-11, Vol.32 (11), p.8312-8321 |
| issn | 0885-8993 1941-0107 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Capacitors Circuits Computer simulation Converters dc grids DC-DC power converters DC–DC converter Electric potential Energy conversion efficiency High voltages Inductors Insulation Magnetics Parallel connected Power efficiency Power flow Power transformer insulation single-stage power conversion Subsystems System reliability Topology transformerless multilevel converter Voltage control Voltage converters (DC to DC) |
| title | A Transformerless Bipolar Modular Multilevel DC–DC Converter With Wide Voltage Ratios |
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