A Novel Spoke-Type Asymmetric Rotor Interior Permanent Magnet Machine
This article proposes a novel spoke-type asymmetric interior permanent magnet (AIPM) rotor topology that employs an additional asymmetric flux barrier in each pole of interior permanent magnet (IPM) synchronous machines for torque density enhancement and torque pulsating suppression without introduc...
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| Veröffentlicht in: | IEEE transactions on industry applications 2021-09, Vol.57 (5), p.4840-4851 |
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| creator | Xiao, Yang Zhu, Z. Q. Jewell, Geraint Wyn Chen, Jintao Wu, Di Gong, Liming |
| description | This article proposes a novel spoke-type asymmetric interior permanent magnet (AIPM) rotor topology that employs an additional asymmetric flux barrier in each pole of interior permanent magnet (IPM) synchronous machines for torque density enhancement and torque pulsating suppression without introducing any extra cost. The proposed AIPM-I machine, an existing spoke-type AIPM-II machine with asymmetric rotor profile, and a conventional spoke-type IPM machine are designed and optimized with the same 12-slot/8-pole stator with nonoverlapping windings as well as the same rotor diameter and PM dimensions. The effect of asymmetric flux barrier dimensions on the proposed AIPM-I machine is investigated with particular emphasis on torque characteristics. The electromagnetic performance and rotor mechanical strength of final optimal designs of three machines are compared. It confirms that the proposed AIPM-I machine can achieve significant torque enhancement and torque ripple reduction across the wide current range while also showing significantly smaller cogging torque at open-circuit condition, compared with both existing AIPM-II and conventional IPM machines. Finally, a prototype of the proposed AIPM-I machine has been manufactured and measured for validation. |
| doi_str_mv | 10.1109/TIA.2021.3099452 |
| format | Article |
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Q. ; Jewell, Geraint Wyn ; Chen, Jintao ; Wu, Di ; Gong, Liming</creator><creatorcontrib>Xiao, Yang ; Zhu, Z. Q. ; Jewell, Geraint Wyn ; Chen, Jintao ; Wu, Di ; Gong, Liming</creatorcontrib><description>This article proposes a novel spoke-type asymmetric interior permanent magnet (AIPM) rotor topology that employs an additional asymmetric flux barrier in each pole of interior permanent magnet (IPM) synchronous machines for torque density enhancement and torque pulsating suppression without introducing any extra cost. The proposed AIPM-I machine, an existing spoke-type AIPM-II machine with asymmetric rotor profile, and a conventional spoke-type IPM machine are designed and optimized with the same 12-slot/8-pole stator with nonoverlapping windings as well as the same rotor diameter and PM dimensions. The effect of asymmetric flux barrier dimensions on the proposed AIPM-I machine is investigated with particular emphasis on torque characteristics. The electromagnetic performance and rotor mechanical strength of final optimal designs of three machines are compared. It confirms that the proposed AIPM-I machine can achieve significant torque enhancement and torque ripple reduction across the wide current range while also showing significantly smaller cogging torque at open-circuit condition, compared with both existing AIPM-II and conventional IPM machines. Finally, a prototype of the proposed AIPM-I machine has been manufactured and measured for validation.</description><identifier>ISSN: 0093-9994</identifier><identifier>EISSN: 1939-9367</identifier><identifier>DOI: 10.1109/TIA.2021.3099452</identifier><identifier>CODEN: ITIACR</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Air gaps ; Asymmetric rotor ; Asymmetry ; Circuits ; Cogging ; Coils (windings) ; Diameters ; flux barrier ; interior permanent magnet (IPM) ; Permanent magnets ; Rotors ; spoke-type permanent magnet (PM) ; Stator windings ; Synchronous machines ; Topology ; Torque ; Torque measurement ; torque ripple ; Windings</subject><ispartof>IEEE transactions on industry applications, 2021-09, Vol.57 (5), p.4840-4851</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-52a85603e25496fe69cee410290152429545e83147d06779d03609a8bbfbfd323</citedby><cites>FETCH-LOGICAL-c291t-52a85603e25496fe69cee410290152429545e83147d06779d03609a8bbfbfd323</cites><orcidid>0000-0001-7175-3307 ; 0000-0002-8763-4190 ; 0000-0001-5558-7003</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9496164$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9496164$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Xiao, Yang</creatorcontrib><creatorcontrib>Zhu, Z. Q.</creatorcontrib><creatorcontrib>Jewell, Geraint Wyn</creatorcontrib><creatorcontrib>Chen, Jintao</creatorcontrib><creatorcontrib>Wu, Di</creatorcontrib><creatorcontrib>Gong, Liming</creatorcontrib><title>A Novel Spoke-Type Asymmetric Rotor Interior Permanent Magnet Machine</title><title>IEEE transactions on industry applications</title><addtitle>TIA</addtitle><description>This article proposes a novel spoke-type asymmetric interior permanent magnet (AIPM) rotor topology that employs an additional asymmetric flux barrier in each pole of interior permanent magnet (IPM) synchronous machines for torque density enhancement and torque pulsating suppression without introducing any extra cost. The proposed AIPM-I machine, an existing spoke-type AIPM-II machine with asymmetric rotor profile, and a conventional spoke-type IPM machine are designed and optimized with the same 12-slot/8-pole stator with nonoverlapping windings as well as the same rotor diameter and PM dimensions. The effect of asymmetric flux barrier dimensions on the proposed AIPM-I machine is investigated with particular emphasis on torque characteristics. The electromagnetic performance and rotor mechanical strength of final optimal designs of three machines are compared. It confirms that the proposed AIPM-I machine can achieve significant torque enhancement and torque ripple reduction across the wide current range while also showing significantly smaller cogging torque at open-circuit condition, compared with both existing AIPM-II and conventional IPM machines. Finally, a prototype of the proposed AIPM-I machine has been manufactured and measured for validation.</description><subject>Air gaps</subject><subject>Asymmetric rotor</subject><subject>Asymmetry</subject><subject>Circuits</subject><subject>Cogging</subject><subject>Coils (windings)</subject><subject>Diameters</subject><subject>flux barrier</subject><subject>interior permanent magnet (IPM)</subject><subject>Permanent magnets</subject><subject>Rotors</subject><subject>spoke-type permanent magnet (PM)</subject><subject>Stator windings</subject><subject>Synchronous machines</subject><subject>Topology</subject><subject>Torque</subject><subject>Torque measurement</subject><subject>torque ripple</subject><subject>Windings</subject><issn>0093-9994</issn><issn>1939-9367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1Lw0AQxRdRsFbvgpeA59TZz2SOoVQt1A-0npc0nWhqk427qZD_3pQWT29g3pt5_Bi75jDhHPBuOc8mAgSfSEBUWpywEUeJMUqTnLIRAMoYh805uwhhA8CV5mrEZln07H5pG7237pviZd9SlIW-rqnzVRG9uc75aN505KtheCVf5w01XfSUfza0l-KrauiSnZX5NtDVUcfs4362nD7Gi5eH-TRbxIVA3sVa5Kk2IElohaYkgwWR4iAQuBZKoFaaUslVsgaTJLgGaQDzdLUqV-VaCjlmt4e7rXc_Owqd3bidb4aXVmijhTSKp4MLDq7CuxA8lbb1VZ373nKwe1h2gGX3sOwR1hC5OUQqIvq349CSGyX_ALHpYwM</recordid><startdate>202109</startdate><enddate>202109</enddate><creator>Xiao, Yang</creator><creator>Zhu, Z. Q.</creator><creator>Jewell, Geraint Wyn</creator><creator>Chen, Jintao</creator><creator>Wu, Di</creator><creator>Gong, Liming</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>7SC</scope><scope>7SP</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><orcidid>https://orcid.org/0000-0001-7175-3307</orcidid><orcidid>https://orcid.org/0000-0002-8763-4190</orcidid><orcidid>https://orcid.org/0000-0001-5558-7003</orcidid></search><sort><creationdate>202109</creationdate><title>A Novel Spoke-Type Asymmetric Rotor Interior Permanent Magnet Machine</title><author>Xiao, Yang ; Zhu, Z. Q. ; Jewell, Geraint Wyn ; Chen, Jintao ; Wu, Di ; Gong, Liming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-52a85603e25496fe69cee410290152429545e83147d06779d03609a8bbfbfd323</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Air gaps</topic><topic>Asymmetric rotor</topic><topic>Asymmetry</topic><topic>Circuits</topic><topic>Cogging</topic><topic>Coils (windings)</topic><topic>Diameters</topic><topic>flux barrier</topic><topic>interior permanent magnet (IPM)</topic><topic>Permanent magnets</topic><topic>Rotors</topic><topic>spoke-type permanent magnet (PM)</topic><topic>Stator windings</topic><topic>Synchronous machines</topic><topic>Topology</topic><topic>Torque</topic><topic>Torque measurement</topic><topic>torque ripple</topic><topic>Windings</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xiao, Yang</creatorcontrib><creatorcontrib>Zhu, Z. Q.</creatorcontrib><creatorcontrib>Jewell, Geraint Wyn</creatorcontrib><creatorcontrib>Chen, Jintao</creatorcontrib><creatorcontrib>Wu, Di</creatorcontrib><creatorcontrib>Gong, Liming</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>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>IEEE transactions on industry applications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Xiao, Yang</au><au>Zhu, Z. Q.</au><au>Jewell, Geraint Wyn</au><au>Chen, Jintao</au><au>Wu, Di</au><au>Gong, Liming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Novel Spoke-Type Asymmetric Rotor Interior Permanent Magnet Machine</atitle><jtitle>IEEE transactions on industry applications</jtitle><stitle>TIA</stitle><date>2021-09</date><risdate>2021</risdate><volume>57</volume><issue>5</issue><spage>4840</spage><epage>4851</epage><pages>4840-4851</pages><issn>0093-9994</issn><eissn>1939-9367</eissn><coden>ITIACR</coden><abstract>This article proposes a novel spoke-type asymmetric interior permanent magnet (AIPM) rotor topology that employs an additional asymmetric flux barrier in each pole of interior permanent magnet (IPM) synchronous machines for torque density enhancement and torque pulsating suppression without introducing any extra cost. The proposed AIPM-I machine, an existing spoke-type AIPM-II machine with asymmetric rotor profile, and a conventional spoke-type IPM machine are designed and optimized with the same 12-slot/8-pole stator with nonoverlapping windings as well as the same rotor diameter and PM dimensions. The effect of asymmetric flux barrier dimensions on the proposed AIPM-I machine is investigated with particular emphasis on torque characteristics. The electromagnetic performance and rotor mechanical strength of final optimal designs of three machines are compared. It confirms that the proposed AIPM-I machine can achieve significant torque enhancement and torque ripple reduction across the wide current range while also showing significantly smaller cogging torque at open-circuit condition, compared with both existing AIPM-II and conventional IPM machines. Finally, a prototype of the proposed AIPM-I machine has been manufactured and measured for validation.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TIA.2021.3099452</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-7175-3307</orcidid><orcidid>https://orcid.org/0000-0002-8763-4190</orcidid><orcidid>https://orcid.org/0000-0001-5558-7003</orcidid></addata></record> |
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| ispartof | IEEE transactions on industry applications, 2021-09, Vol.57 (5), p.4840-4851 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Air gaps Asymmetric rotor Asymmetry Circuits Cogging Coils (windings) Diameters flux barrier interior permanent magnet (IPM) Permanent magnets Rotors spoke-type permanent magnet (PM) Stator windings Synchronous machines Topology Torque Torque measurement torque ripple Windings |
| title | A Novel Spoke-Type Asymmetric Rotor Interior Permanent Magnet Machine |
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