Optimal Number of Magnet Pieces of Flux Reversal Permanent Magnet Machines
This paper aims to comprehensively analyze the influence of number of permanent magnet (PM) pieces on electromagnetic performance of flux reversal permanent magnet (FRPM) machines. First, the unified analytical model of FRPM machines having different numbers of PM pieces is established, from which t...
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| Veröffentlicht in: | IEEE transactions on energy conversion 2019-06, Vol.34 (2), p.889-898 |
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| creator | Li, Hua-Yang Zhu, Z. Q. |
| description | This paper aims to comprehensively analyze the influence of number of permanent magnet (PM) pieces on electromagnetic performance of flux reversal permanent magnet (FRPM) machines. First, the unified analytical model of FRPM machines having different numbers of PM pieces is established, from which the optimal number of PM pieces and the corresponding rotor pole number can be identified. It shows that by employing the optimal number of PM pieces instead of the conventional two on each stator tooth, additional back-EMF component can be generated which is beneficial to boost the machine performance. Then, the influence of critical design parameters including stator slot opening ratio, split ratio, and stator slot number is investigated, providing a guidance to the design of FRPM machines aiming at maximum output torque. In addition, both finite element analyses and experimental tests are conducted to verify the analytical analyses. For 6-slot-stator FRPM machines, experimental results show that more than 40% higher output torque can be achieved in the machine with optimal number of PM pieces when compared to the conventional one. |
| doi_str_mv | 10.1109/TEC.2018.2866765 |
| format | Article |
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Q.</creator><creatorcontrib>Li, Hua-Yang ; Zhu, Z. Q.</creatorcontrib><description>This paper aims to comprehensively analyze the influence of number of permanent magnet (PM) pieces on electromagnetic performance of flux reversal permanent magnet (FRPM) machines. First, the unified analytical model of FRPM machines having different numbers of PM pieces is established, from which the optimal number of PM pieces and the corresponding rotor pole number can be identified. It shows that by employing the optimal number of PM pieces instead of the conventional two on each stator tooth, additional back-EMF component can be generated which is beneficial to boost the machine performance. Then, the influence of critical design parameters including stator slot opening ratio, split ratio, and stator slot number is investigated, providing a guidance to the design of FRPM machines aiming at maximum output torque. In addition, both finite element analyses and experimental tests are conducted to verify the analytical analyses. For 6-slot-stator FRPM machines, experimental results show that more than 40% higher output torque can be achieved in the machine with optimal number of PM pieces when compared to the conventional one.</description><identifier>ISSN: 0885-8969</identifier><identifier>EISSN: 1558-0059</identifier><identifier>DOI: 10.1109/TEC.2018.2866765</identifier><identifier>CODEN: ITCNE4</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Air gaps ; Analytical model ; Design parameters ; Finite element method ; flux reversal ; Harmonic analysis ; Mathematical models ; permanent magnet (PM) ; Permanent magnets ; Product design ; Rotors ; Stator windings ; Stators ; Torque ; Windings ; working harmonic</subject><ispartof>IEEE transactions on energy conversion, 2019-06, Vol.34 (2), p.889-898</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c333t-576e3ccbbedbbd6460d1fd0d2f794edb9b40103477271feb6af77e2fe50c16eb3</citedby><cites>FETCH-LOGICAL-c333t-576e3ccbbedbbd6460d1fd0d2f794edb9b40103477271feb6af77e2fe50c16eb3</cites><orcidid>0000-0001-7175-3307 ; 0000-0003-3419-1813</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8444068$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8444068$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Li, Hua-Yang</creatorcontrib><creatorcontrib>Zhu, Z. Q.</creatorcontrib><title>Optimal Number of Magnet Pieces of Flux Reversal Permanent Magnet Machines</title><title>IEEE transactions on energy conversion</title><addtitle>TEC</addtitle><description>This paper aims to comprehensively analyze the influence of number of permanent magnet (PM) pieces on electromagnetic performance of flux reversal permanent magnet (FRPM) machines. First, the unified analytical model of FRPM machines having different numbers of PM pieces is established, from which the optimal number of PM pieces and the corresponding rotor pole number can be identified. It shows that by employing the optimal number of PM pieces instead of the conventional two on each stator tooth, additional back-EMF component can be generated which is beneficial to boost the machine performance. Then, the influence of critical design parameters including stator slot opening ratio, split ratio, and stator slot number is investigated, providing a guidance to the design of FRPM machines aiming at maximum output torque. In addition, both finite element analyses and experimental tests are conducted to verify the analytical analyses. For 6-slot-stator FRPM machines, experimental results show that more than 40% higher output torque can be achieved in the machine with optimal number of PM pieces when compared to the conventional one.</description><subject>Air gaps</subject><subject>Analytical model</subject><subject>Design parameters</subject><subject>Finite element method</subject><subject>flux reversal</subject><subject>Harmonic analysis</subject><subject>Mathematical models</subject><subject>permanent magnet (PM)</subject><subject>Permanent magnets</subject><subject>Product design</subject><subject>Rotors</subject><subject>Stator windings</subject><subject>Stators</subject><subject>Torque</subject><subject>Windings</subject><subject>working harmonic</subject><issn>0885-8969</issn><issn>1558-0059</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1Lw0AQhhdRsFbvgpeA59TZzX7lKKX1g9YWqeclm8xqSpvU3UT037ul1dPAy_POMA8h1xRGlEJ-t5qMRwyoHjEtpZLihAyoEDoFEPkpGYDWItW5zM_JRQhrAMoFowPyvNh19bbYJC_91qJPWpfMi_cGu2RZY4lhH0w3_Xfyil_oQwSX6LdFg033B86L8qNuMFySM1dsAl4d55C8TSer8WM6Wzw8je9naZllWZcKJTErS2uxsraSXEJFXQUVcyrnMcstBwoZV4op6tDKwimFzKGAkkq02ZDcHvbufPvZY-jMuu19E08axpikKpcCIgUHqvRtCB6d2fn4qP8xFMzemInGzN6YORqLlZtDpUbEf1xzzkHq7Bdl6mcM</recordid><startdate>201906</startdate><enddate>201906</enddate><creator>Li, Hua-Yang</creator><creator>Zhu, Z. Q.</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>KR7</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-7175-3307</orcidid><orcidid>https://orcid.org/0000-0003-3419-1813</orcidid></search><sort><creationdate>201906</creationdate><title>Optimal Number of Magnet Pieces of Flux Reversal Permanent Magnet Machines</title><author>Li, Hua-Yang ; Zhu, Z. Q.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c333t-576e3ccbbedbbd6460d1fd0d2f794edb9b40103477271feb6af77e2fe50c16eb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Air gaps</topic><topic>Analytical model</topic><topic>Design parameters</topic><topic>Finite element method</topic><topic>flux reversal</topic><topic>Harmonic analysis</topic><topic>Mathematical models</topic><topic>permanent magnet (PM)</topic><topic>Permanent magnets</topic><topic>Product design</topic><topic>Rotors</topic><topic>Stator windings</topic><topic>Stators</topic><topic>Torque</topic><topic>Windings</topic><topic>working harmonic</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Hua-Yang</creatorcontrib><creatorcontrib>Zhu, Z. Q.</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>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on energy conversion</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Li, Hua-Yang</au><au>Zhu, Z. Q.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimal Number of Magnet Pieces of Flux Reversal Permanent Magnet Machines</atitle><jtitle>IEEE transactions on energy conversion</jtitle><stitle>TEC</stitle><date>2019-06</date><risdate>2019</risdate><volume>34</volume><issue>2</issue><spage>889</spage><epage>898</epage><pages>889-898</pages><issn>0885-8969</issn><eissn>1558-0059</eissn><coden>ITCNE4</coden><abstract>This paper aims to comprehensively analyze the influence of number of permanent magnet (PM) pieces on electromagnetic performance of flux reversal permanent magnet (FRPM) machines. First, the unified analytical model of FRPM machines having different numbers of PM pieces is established, from which the optimal number of PM pieces and the corresponding rotor pole number can be identified. It shows that by employing the optimal number of PM pieces instead of the conventional two on each stator tooth, additional back-EMF component can be generated which is beneficial to boost the machine performance. Then, the influence of critical design parameters including stator slot opening ratio, split ratio, and stator slot number is investigated, providing a guidance to the design of FRPM machines aiming at maximum output torque. In addition, both finite element analyses and experimental tests are conducted to verify the analytical analyses. For 6-slot-stator FRPM machines, experimental results show that more than 40% higher output torque can be achieved in the machine with optimal number of PM pieces when compared to the conventional one.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TEC.2018.2866765</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-7175-3307</orcidid><orcidid>https://orcid.org/0000-0003-3419-1813</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Air gaps Analytical model Design parameters Finite element method flux reversal Harmonic analysis Mathematical models permanent magnet (PM) Permanent magnets Product design Rotors Stator windings Stators Torque Windings working harmonic |
| title | Optimal Number of Magnet Pieces of Flux Reversal Permanent Magnet Machines |
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