Torque Analysis and Dynamic Performance Improvement of a PMSM for EVs by Skew Angle Optimization
In this paper, a permanent magnet synchronous machine (PMSM) for electric vehicles (EVs) is studied. Since EVs need to face some low speed road conditions, it is necessary to drive the machine to maintain a stable torque at low speed. The stator skew slot is often adopted to reduce torque ripple; ho...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2019-03, Vol.29 (2), p.1-5 |
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| creator | Shi, Zhou Sun, Xiaodong Cai, Yingfeng Yang, Zebin Lei, Gang Guo, Youguang Zhu, Jianguo |
| description | In this paper, a permanent magnet synchronous machine (PMSM) for electric vehicles (EVs) is studied. Since EVs need to face some low speed road conditions, it is necessary to drive the machine to maintain a stable torque at low speed. The stator skew slot is often adopted to reduce torque ripple; however, it declines the output torque at same time. Besides, the difference between positive rotation performance and negative rotation performance, which caused by the skew slot are often ignored. Through the finite element analysis, the cogging torque and dynamic performance of the PMSM at different skew angle are studied. Moreover, the different influence of slot skew angle on positive and negative rotation performance is studied. Then, the optimum skew angle of the PMSM is studied through comprehensive consideration. Finally, the cogging torque of the prototype is verified to be less than 2N·m through the experiment. |
| doi_str_mv | 10.1109/TASC.2018.2882419 |
| format | Article |
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Since EVs need to face some low speed road conditions, it is necessary to drive the machine to maintain a stable torque at low speed. The stator skew slot is often adopted to reduce torque ripple; however, it declines the output torque at same time. Besides, the difference between positive rotation performance and negative rotation performance, which caused by the skew slot are often ignored. Through the finite element analysis, the cogging torque and dynamic performance of the PMSM at different skew angle are studied. Moreover, the different influence of slot skew angle on positive and negative rotation performance is studied. Then, the optimum skew angle of the PMSM is studied through comprehensive consideration. Finally, the cogging torque of the prototype is verified to be less than 2N·m through the experiment.</description><identifier>ISSN: 1051-8223</identifier><identifier>EISSN: 1558-2515</identifier><identifier>DOI: 10.1109/TASC.2018.2882419</identifier><identifier>CODEN: ITASE9</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Cogging ; Couplings ; Electric vehicles ; finite element analysis ; Finite element method ; Forging ; Low speed ; Permanent magnets ; Product design ; Rotation ; Skew angle ; Solid modeling ; Synchronous machines ; Three-dimensional displays ; Torque ; Torque measurement ; torque ripple ; Two dimensional displays</subject><ispartof>IEEE transactions on applied superconductivity, 2019-03, Vol.29 (2), p.1-5</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-c336t-f4288312fd0adaaf07988ef9f0766e4ab6aea521552c11bc5b9bc095d46fc3a53</citedby><cites>FETCH-LOGICAL-c336t-f4288312fd0adaaf07988ef9f0766e4ab6aea521552c11bc5b9bc095d46fc3a53</cites><orcidid>0000-0002-9451-3311 ; 0000-0002-9763-4047 ; 0000-0002-0633-9887 ; 0000-0001-6182-0684 ; 0000-0002-8369-6802</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8540892$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54736</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8540892$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Shi, Zhou</creatorcontrib><creatorcontrib>Sun, Xiaodong</creatorcontrib><creatorcontrib>Cai, Yingfeng</creatorcontrib><creatorcontrib>Yang, Zebin</creatorcontrib><creatorcontrib>Lei, Gang</creatorcontrib><creatorcontrib>Guo, Youguang</creatorcontrib><creatorcontrib>Zhu, Jianguo</creatorcontrib><title>Torque Analysis and Dynamic Performance Improvement of a PMSM for EVs by Skew Angle Optimization</title><title>IEEE transactions on applied superconductivity</title><addtitle>TASC</addtitle><description>In this paper, a permanent magnet synchronous machine (PMSM) for electric vehicles (EVs) is studied. Since EVs need to face some low speed road conditions, it is necessary to drive the machine to maintain a stable torque at low speed. The stator skew slot is often adopted to reduce torque ripple; however, it declines the output torque at same time. Besides, the difference between positive rotation performance and negative rotation performance, which caused by the skew slot are often ignored. Through the finite element analysis, the cogging torque and dynamic performance of the PMSM at different skew angle are studied. Moreover, the different influence of slot skew angle on positive and negative rotation performance is studied. Then, the optimum skew angle of the PMSM is studied through comprehensive consideration. Finally, the cogging torque of the prototype is verified to be less than 2N·m through the experiment.</description><subject>Cogging</subject><subject>Couplings</subject><subject>Electric vehicles</subject><subject>finite element analysis</subject><subject>Finite element method</subject><subject>Forging</subject><subject>Low speed</subject><subject>Permanent magnets</subject><subject>Product design</subject><subject>Rotation</subject><subject>Skew angle</subject><subject>Solid modeling</subject><subject>Synchronous machines</subject><subject>Three-dimensional displays</subject><subject>Torque</subject><subject>Torque measurement</subject><subject>torque ripple</subject><subject>Two dimensional displays</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9UFFPwjAYbIwmIvoDjC9NfB7269bRPRJEJYFAAvpav3WtGbIN26GZv94SiE_fJd_d5e4IuQU2AGDZw3q0Gg84AzngUvIEsjPSAyFkxAWI84CZgEhyHl-SK-83jEEiE9Ej7-vGfe0NHdW47XzpKdYFfexqrEpNl8bZxlVYa0On1c4136YydUsbS5Eu56s5DW86efM07-jq0_wEm4-toYtdW1blL7ZlU1-TC4tbb25Ot09enybr8Us0WzxPx6NZpOM4bSObhNwxcFswLBAtG2ZSGpsFkKYmwTxFg4KHSlwD5FrkWa5ZJooktTpGEffJ_dE3xAyFfKs2zd6FVl5xSPnw0BgCC44s7RrvnbFq58oKXaeAqcOQ6jCkOgypTkMGzd1RUxpj_vlSJExmPP4DWQFuxg</recordid><startdate>20190301</startdate><enddate>20190301</enddate><creator>Shi, Zhou</creator><creator>Sun, Xiaodong</creator><creator>Cai, Yingfeng</creator><creator>Yang, Zebin</creator><creator>Lei, Gang</creator><creator>Guo, Youguang</creator><creator>Zhu, Jianguo</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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| subjects | Cogging Couplings Electric vehicles finite element analysis Finite element method Forging Low speed Permanent magnets Product design Rotation Skew angle Solid modeling Synchronous machines Three-dimensional displays Torque Torque measurement torque ripple Two dimensional displays |
| title | Torque Analysis and Dynamic Performance Improvement of a PMSM for EVs by Skew Angle Optimization |
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