A New Phase-Shifted Full-Bridge Converter With Maximum Duty Operation for Server Power System
A new high-efficient phase-shifted full-bridge (PSFB) converter is proposed in this paper. The conventional PSFB converter with an external inductor and clamping diodes is widely used in server power systems due to limited voltage stress on switches and its zero-voltage switching (ZVS) characteristi...
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| Veröffentlicht in: | IEEE transactions on power electronics 2011-12, Vol.26 (12), p.3491-3500 |
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| creator | Cho, In-Ho Cho, Kyu-Min Kim, Jong-Woo Moon, Gun-Woo |
| description | A new high-efficient phase-shifted full-bridge (PSFB) converter is proposed in this paper. The conventional PSFB converter with an external inductor and clamping diodes is widely used in server power systems due to limited voltage stress on switches and its zero-voltage switching (ZVS) characteristics. However, a hold-up time regulation rule in server systems limits its operating duty ratio in nominal state and it increases the conduction loss of the converter. With simple modification, the proposed converter can be operated in the optimal operating point, 50% duty ratio, both in nominal operating condition and hold-up time condition. The ZVS characteristic is still maintained in the proposed converter. Therefore, conduction loss at the primary side of the converter is reduced and higher efficiency can also be obtained in the proposed converter than the conventional converter. The operational principle and analysis of the proposed converter are presented and verified by the 1-kW prototype. |
| doi_str_mv | 10.1109/TPEL.2011.2129532 |
| format | Article |
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The conventional PSFB converter with an external inductor and clamping diodes is widely used in server power systems due to limited voltage stress on switches and its zero-voltage switching (ZVS) characteristics. However, a hold-up time regulation rule in server systems limits its operating duty ratio in nominal state and it increases the conduction loss of the converter. With simple modification, the proposed converter can be operated in the optimal operating point, 50% duty ratio, both in nominal operating condition and hold-up time condition. The ZVS characteristic is still maintained in the proposed converter. Therefore, conduction loss at the primary side of the converter is reduced and higher efficiency can also be obtained in the proposed converter than the conventional converter. The operational principle and analysis of the proposed converter are presented and verified by the 1-kW prototype.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2011.2129532</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Clamps ; Conduction losses ; Control ; Converters ; Convertors ; Diodes ; Electric currents ; Electrical engineering. Electrical power engineering ; Electrical machines ; Electrical power engineering ; Electronics ; Energy efficiency ; Exact sciences and technology ; Hold-up time and maximum duty operation ; Inductors ; Magnetic devices ; Miscellaneous ; Optimization ; phase-shifted full-bridge (PSFB) converter ; Power networks and lines ; Power supply ; Power systems ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; server power system ; Servers ; Stress ; Transformers and inductors ; Voltage ; Zero voltage switching ; zero-voltage switching (ZVS)</subject><ispartof>IEEE transactions on power electronics, 2011-12, Vol.26 (12), p.3491-3500</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Dec 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c355t-3280f37f79ffcc517e195d2baa036ae06cfb0d51b2e7012b6f580fb4852dd36f3</citedby><cites>FETCH-LOGICAL-c355t-3280f37f79ffcc517e195d2baa036ae06cfb0d51b2e7012b6f580fb4852dd36f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5734858$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27922,27923,54756</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5734858$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26015548$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Cho, In-Ho</creatorcontrib><creatorcontrib>Cho, Kyu-Min</creatorcontrib><creatorcontrib>Kim, Jong-Woo</creatorcontrib><creatorcontrib>Moon, Gun-Woo</creatorcontrib><title>A New Phase-Shifted Full-Bridge Converter With Maximum Duty Operation for Server Power System</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>A new high-efficient phase-shifted full-bridge (PSFB) converter is proposed in this paper. The conventional PSFB converter with an external inductor and clamping diodes is widely used in server power systems due to limited voltage stress on switches and its zero-voltage switching (ZVS) characteristics. However, a hold-up time regulation rule in server systems limits its operating duty ratio in nominal state and it increases the conduction loss of the converter. With simple modification, the proposed converter can be operated in the optimal operating point, 50% duty ratio, both in nominal operating condition and hold-up time condition. The ZVS characteristic is still maintained in the proposed converter. Therefore, conduction loss at the primary side of the converter is reduced and higher efficiency can also be obtained in the proposed converter than the conventional converter. The operational principle and analysis of the proposed converter are presented and verified by the 1-kW prototype.</description><subject>Applied sciences</subject><subject>Clamps</subject><subject>Conduction losses</subject><subject>Control</subject><subject>Converters</subject><subject>Convertors</subject><subject>Diodes</subject><subject>Electric currents</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical machines</subject><subject>Electrical power engineering</subject><subject>Electronics</subject><subject>Energy efficiency</subject><subject>Exact sciences and technology</subject><subject>Hold-up time and maximum duty operation</subject><subject>Inductors</subject><subject>Magnetic devices</subject><subject>Miscellaneous</subject><subject>Optimization</subject><subject>phase-shifted full-bridge (PSFB) converter</subject><subject>Power networks and lines</subject><subject>Power supply</subject><subject>Power systems</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>server power system</subject><subject>Servers</subject><subject>Stress</subject><subject>Transformers and inductors</subject><subject>Voltage</subject><subject>Zero voltage switching</subject><subject>zero-voltage switching (ZVS)</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkMtKAzEUhoMoWC8PIG6CILiZmpM0c1lqrReoWmjFlQyZmRObMpeazFj79qa0uHCTs8j3_yf5CDkD1gdgyfVsMhr3OQPoc-CJFHyP9CAZQMCARfukx-JYBnGSiENy5NyCMRhIBj3ycUNfcEUnc-UwmM6NbrGg911ZBrfWFJ9Ih039jbZFS99NO6fP6sdUXUXvunZNX5doVWuamurG0ilaT9JJs_LndO1arE7IgValw9PdPCZv96PZ8DEYvz48DW_GQS6kbAPBY6ZFpKNE6zyXECEksuCZUkyEClmY64wVEjKOEQOehVr6QDaIJS8KEWpxTK62vUvbfHXo2rQyLseyVDU2nUvBW4ij0C_z6MU_dNF0tvavSxPmC4GHwkOwhXLbOGdRp0trKmXXvind-E43vtON73Tn22cud8XK5arUVtW5cX9BHjKQchB77nzLGUT8u5aR8N-JxS-jZIfZ</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Cho, In-Ho</creator><creator>Cho, Kyu-Min</creator><creator>Kim, Jong-Woo</creator><creator>Moon, Gun-Woo</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Electrical power engineering</topic><topic>Electrical machines</topic><topic>Electrical power engineering</topic><topic>Electronics</topic><topic>Energy efficiency</topic><topic>Exact sciences and technology</topic><topic>Hold-up time and maximum duty operation</topic><topic>Inductors</topic><topic>Magnetic devices</topic><topic>Miscellaneous</topic><topic>Optimization</topic><topic>phase-shifted full-bridge (PSFB) converter</topic><topic>Power networks and lines</topic><topic>Power supply</topic><topic>Power systems</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</topic><topic>server power system</topic><topic>Servers</topic><topic>Stress</topic><topic>Transformers and inductors</topic><topic>Voltage</topic><topic>Zero voltage switching</topic><topic>zero-voltage switching (ZVS)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cho, In-Ho</creatorcontrib><creatorcontrib>Cho, Kyu-Min</creatorcontrib><creatorcontrib>Kim, Jong-Woo</creatorcontrib><creatorcontrib>Moon, Gun-Woo</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>Pascal-Francis</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><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE transactions on power electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Cho, In-Ho</au><au>Cho, Kyu-Min</au><au>Kim, Jong-Woo</au><au>Moon, Gun-Woo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A New Phase-Shifted Full-Bridge Converter With Maximum Duty Operation for Server Power System</atitle><jtitle>IEEE transactions on power electronics</jtitle><stitle>TPEL</stitle><date>2011-12-01</date><risdate>2011</risdate><volume>26</volume><issue>12</issue><spage>3491</spage><epage>3500</epage><pages>3491-3500</pages><issn>0885-8993</issn><eissn>1941-0107</eissn><coden>ITPEE8</coden><abstract>A new high-efficient phase-shifted full-bridge (PSFB) converter is proposed in this paper. The conventional PSFB converter with an external inductor and clamping diodes is widely used in server power systems due to limited voltage stress on switches and its zero-voltage switching (ZVS) characteristics. However, a hold-up time regulation rule in server systems limits its operating duty ratio in nominal state and it increases the conduction loss of the converter. With simple modification, the proposed converter can be operated in the optimal operating point, 50% duty ratio, both in nominal operating condition and hold-up time condition. The ZVS characteristic is still maintained in the proposed converter. Therefore, conduction loss at the primary side of the converter is reduced and higher efficiency can also be obtained in the proposed converter than the conventional converter. The operational principle and analysis of the proposed converter are presented and verified by the 1-kW prototype.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TPEL.2011.2129532</doi><tpages>10</tpages></addata></record> |
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| subjects | Applied sciences Clamps Conduction losses Control Converters Convertors Diodes Electric currents Electrical engineering. Electrical power engineering Electrical machines Electrical power engineering Electronics Energy efficiency Exact sciences and technology Hold-up time and maximum duty operation Inductors Magnetic devices Miscellaneous Optimization phase-shifted full-bridge (PSFB) converter Power networks and lines Power supply Power systems Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices server power system Servers Stress Transformers and inductors Voltage Zero voltage switching zero-voltage switching (ZVS) |
| title | A New Phase-Shifted Full-Bridge Converter With Maximum Duty Operation for Server Power System |
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