Reduced Switch Count Step-Up/Step-Down Switched-Capacitor Three-Phase AC-AC Converter
A direct three-phase ac-ac converter based on the switched-capacitor principle and ladder structure is presented in this paper. Additionally, the boundary between partial charge and no charge modes of a switched-capacitor operation is defined. All switched-capacitor direct ac-ac converters described...
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| Veröffentlicht in: | IEEE transactions on industrial electronics (1982) 2018-11, Vol.65 (11), p.8422-8432 |
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| container_title | IEEE transactions on industrial electronics (1982) |
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| creator | da Silva, Rogerio Luiz Lazzarin, Telles Brunelli Barbi, Ivo |
| description | A direct three-phase ac-ac converter based on the switched-capacitor principle and ladder structure is presented in this paper. Additionally, the boundary between partial charge and no charge modes of a switched-capacitor operation is defined. All switched-capacitor direct ac-ac converters described in the literature employ four-quadrant switches; however, the proposed structure works with two-quadrant switches. This characteristic is the main advantage of the proposed structure because it reduces the number of MOSFETs employed in the power circuit, increasing the converter reliability. Furthermore, the proposed converter can operate as a step-up or step-down circuit, i.e., it is a bidirectional topology. The converter offers high performance with regard to efficiency, power density, and power factor, and it can also be used as an electronic autotransformer. The analysis, design methodology, and experimental results obtained with a prototype with 220/110 V and 3.5 kW are described herein. At the rated power, an efficiency of 95.1% for step-up and step-down modes, capacitive power factor of 0.94, and output voltage regulation of 96% were obtained. |
| doi_str_mv | 10.1109/TIE.2018.2808900 |
| format | Article |
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Additionally, the boundary between partial charge and no charge modes of a switched-capacitor operation is defined. All switched-capacitor direct ac-ac converters described in the literature employ four-quadrant switches; however, the proposed structure works with two-quadrant switches. This characteristic is the main advantage of the proposed structure because it reduces the number of MOSFETs employed in the power circuit, increasing the converter reliability. Furthermore, the proposed converter can operate as a step-up or step-down circuit, i.e., it is a bidirectional topology. The converter offers high performance with regard to efficiency, power density, and power factor, and it can also be used as an electronic autotransformer. The analysis, design methodology, and experimental results obtained with a prototype with 220/110 V and 3.5 kW are described herein. At the rated power, an efficiency of 95.1% for step-up and step-down modes, capacitive power factor of 0.94, and output voltage regulation of 96% were obtained.</description><identifier>ISSN: 0278-0046</identifier><identifier>EISSN: 1557-9948</identifier><identifier>DOI: 10.1109/TIE.2018.2808900</identifier><identifier>CODEN: ITIED6</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>AC-AC converters ; Autotransformers ; Capacitors ; Circuit reliability ; Converters ; Energy conversion efficiency ; Frequency modulation ; MOSFET ; MOSFETs ; Power efficiency ; Power factor ; Reactive power ; reduced switch count (RSC) ; Steady-state ; switched capacitor (SC) ; Switches ; three phase ; two-quadrant switch (TQS)</subject><ispartof>IEEE transactions on industrial electronics (1982), 2018-11, Vol.65 (11), p.8422-8432</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-bf419e09ee0a9a9fc345b5a9659dfc25cc02baa7660e73451965b93d408412013</citedby><cites>FETCH-LOGICAL-c291t-bf419e09ee0a9a9fc345b5a9659dfc25cc02baa7660e73451965b93d408412013</cites><orcidid>0000-0002-0917-2779 ; 0000-0003-2112-5569 ; 0000-0001-8598-8641</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8301530$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8301530$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>da Silva, Rogerio Luiz</creatorcontrib><creatorcontrib>Lazzarin, Telles Brunelli</creatorcontrib><creatorcontrib>Barbi, Ivo</creatorcontrib><title>Reduced Switch Count Step-Up/Step-Down Switched-Capacitor Three-Phase AC-AC Converter</title><title>IEEE transactions on industrial electronics (1982)</title><addtitle>TIE</addtitle><description>A direct three-phase ac-ac converter based on the switched-capacitor principle and ladder structure is presented in this paper. Additionally, the boundary between partial charge and no charge modes of a switched-capacitor operation is defined. All switched-capacitor direct ac-ac converters described in the literature employ four-quadrant switches; however, the proposed structure works with two-quadrant switches. This characteristic is the main advantage of the proposed structure because it reduces the number of MOSFETs employed in the power circuit, increasing the converter reliability. Furthermore, the proposed converter can operate as a step-up or step-down circuit, i.e., it is a bidirectional topology. The converter offers high performance with regard to efficiency, power density, and power factor, and it can also be used as an electronic autotransformer. The analysis, design methodology, and experimental results obtained with a prototype with 220/110 V and 3.5 kW are described herein. At the rated power, an efficiency of 95.1% for step-up and step-down modes, capacitive power factor of 0.94, and output voltage regulation of 96% were obtained.</description><subject>AC-AC converters</subject><subject>Autotransformers</subject><subject>Capacitors</subject><subject>Circuit reliability</subject><subject>Converters</subject><subject>Energy conversion efficiency</subject><subject>Frequency modulation</subject><subject>MOSFET</subject><subject>MOSFETs</subject><subject>Power efficiency</subject><subject>Power factor</subject><subject>Reactive power</subject><subject>reduced switch count (RSC)</subject><subject>Steady-state</subject><subject>switched capacitor (SC)</subject><subject>Switches</subject><subject>three phase</subject><subject>two-quadrant switch (TQS)</subject><issn>0278-0046</issn><issn>1557-9948</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM9LwzAUx4MoOKd3wUvBc7aXNGmT46ibDgaK284hTV9Zh7Y1bR3-92ZuePoevj8e70PIPYMJY6Cnm-V8woGpCVegNMAFGTEpU6q1UJdkBDxVFEAk1-Sm6_YATEgmR2T7jsXgsIjWh6p3uyhrhrqP1j22dNtO__SpOdRnGwua2da6qm98tNl5RPq2sx1Gs4zOslCuv9H36G_JVWk_Orw765hsF_NN9kJXr8_LbLaijmvW07wUTCNoRLDa6tLFQubS6kTqonRcOgc8tzZNEsA0eCw4uY4LAUqw8Gw8Jo-n3dY3XwN2vdk3g6_DScMhYYJrIWRIwSnlfNN1HkvT-urT-h_DwBzhmQDPHOGZM7xQeThVKkT8j6sYmIwh_gUpN2i-</recordid><startdate>20181101</startdate><enddate>20181101</enddate><creator>da Silva, Rogerio Luiz</creator><creator>Lazzarin, Telles Brunelli</creator><creator>Barbi, Ivo</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/0000-0002-0917-2779</orcidid><orcidid>https://orcid.org/0000-0003-2112-5569</orcidid><orcidid>https://orcid.org/0000-0001-8598-8641</orcidid></search><sort><creationdate>20181101</creationdate><title>Reduced Switch Count Step-Up/Step-Down Switched-Capacitor Three-Phase AC-AC Converter</title><author>da Silva, Rogerio Luiz ; Lazzarin, Telles Brunelli ; Barbi, Ivo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-bf419e09ee0a9a9fc345b5a9659dfc25cc02baa7660e73451965b93d408412013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>AC-AC converters</topic><topic>Autotransformers</topic><topic>Capacitors</topic><topic>Circuit reliability</topic><topic>Converters</topic><topic>Energy conversion efficiency</topic><topic>Frequency modulation</topic><topic>MOSFET</topic><topic>MOSFETs</topic><topic>Power efficiency</topic><topic>Power factor</topic><topic>Reactive power</topic><topic>reduced switch count (RSC)</topic><topic>Steady-state</topic><topic>switched capacitor (SC)</topic><topic>Switches</topic><topic>three phase</topic><topic>two-quadrant switch (TQS)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>da Silva, Rogerio Luiz</creatorcontrib><creatorcontrib>Lazzarin, Telles Brunelli</creatorcontrib><creatorcontrib>Barbi, Ivo</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>da Silva, Rogerio Luiz</au><au>Lazzarin, Telles Brunelli</au><au>Barbi, Ivo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Reduced Switch Count Step-Up/Step-Down Switched-Capacitor Three-Phase AC-AC Converter</atitle><jtitle>IEEE transactions on industrial electronics (1982)</jtitle><stitle>TIE</stitle><date>2018-11-01</date><risdate>2018</risdate><volume>65</volume><issue>11</issue><spage>8422</spage><epage>8432</epage><pages>8422-8432</pages><issn>0278-0046</issn><eissn>1557-9948</eissn><coden>ITIED6</coden><abstract>A direct three-phase ac-ac converter based on the switched-capacitor principle and ladder structure is presented in this paper. Additionally, the boundary between partial charge and no charge modes of a switched-capacitor operation is defined. All switched-capacitor direct ac-ac converters described in the literature employ four-quadrant switches; however, the proposed structure works with two-quadrant switches. This characteristic is the main advantage of the proposed structure because it reduces the number of MOSFETs employed in the power circuit, increasing the converter reliability. Furthermore, the proposed converter can operate as a step-up or step-down circuit, i.e., it is a bidirectional topology. The converter offers high performance with regard to efficiency, power density, and power factor, and it can also be used as an electronic autotransformer. The analysis, design methodology, and experimental results obtained with a prototype with 220/110 V and 3.5 kW are described herein. At the rated power, an efficiency of 95.1% for step-up and step-down modes, capacitive power factor of 0.94, and output voltage regulation of 96% were obtained.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIE.2018.2808900</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-0917-2779</orcidid><orcidid>https://orcid.org/0000-0003-2112-5569</orcidid><orcidid>https://orcid.org/0000-0001-8598-8641</orcidid></addata></record> |
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| identifier | ISSN: 0278-0046 |
| ispartof | IEEE transactions on industrial electronics (1982), 2018-11, Vol.65 (11), p.8422-8432 |
| issn | 0278-0046 1557-9948 |
| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | AC-AC converters Autotransformers Capacitors Circuit reliability Converters Energy conversion efficiency Frequency modulation MOSFET MOSFETs Power efficiency Power factor Reactive power reduced switch count (RSC) Steady-state switched capacitor (SC) Switches three phase two-quadrant switch (TQS) |
| title | Reduced Switch Count Step-Up/Step-Down Switched-Capacitor Three-Phase AC-AC Converter |
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