Analytical Synthesis of Air-Gap Field Distribution in Permanent Magnet Machines With Rotor Eccentricity by Superposition Method
This paper proposes an analytical method that combines the superposition and the subdomain methods to predict the air-gap field distribution in permanent magnet (PM) machines with rotor eccentricity. The original machine with rotor eccentricity is divided into a number of air-gap sections along the...
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| Veröffentlicht in: | IEEE transactions on magnetics 2015-11, Vol.51 (11), p.1-4 |
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| creator | Yanxin Li Qinfen Lu Zhu, Z. Q. Wu, L. J. Li, G. J. Di Wu |
| description | This paper proposes an analytical method that combines the superposition and the subdomain methods to predict the air-gap field distribution in permanent magnet (PM) machines with rotor eccentricity. The original machine with rotor eccentricity is divided into a number of air-gap sections along the circumferential direction. For each air-gap section, a concentric model is employed by adopting an equivalent air-gap length to predict the air-gap field using the subdomain method. The air-gap field distribution of the original model can then be synthesized from these concentric models. Consequently, the electromagnetic performance can be predicted accordingly, such as flux-linkage, back EMF, and so on. Finally, the direct finite element analysis is used to validate the efficacy of the proposed method. The proposed analytical method can be extended to other machines with different slot/pole number combinations and is particularly useful for analyzing the machines with large slot and pole numbers. |
| doi_str_mv | 10.1109/TMAG.2015.2442297 |
| format | Article |
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Q. ; Wu, L. J. ; Li, G. J. ; Di Wu</creator><creatorcontrib>Yanxin Li ; Qinfen Lu ; Zhu, Z. Q. ; Wu, L. J. ; Li, G. J. ; Di Wu</creatorcontrib><description>This paper proposes an analytical method that combines the superposition and the subdomain methods to predict the air-gap field distribution in permanent magnet (PM) machines with rotor eccentricity. The original machine with rotor eccentricity is divided into a number of air-gap sections along the circumferential direction. For each air-gap section, a concentric model is employed by adopting an equivalent air-gap length to predict the air-gap field using the subdomain method. The air-gap field distribution of the original model can then be synthesized from these concentric models. Consequently, the electromagnetic performance can be predicted accordingly, such as flux-linkage, back EMF, and so on. Finally, the direct finite element analysis is used to validate the efficacy of the proposed method. The proposed analytical method can be extended to other machines with different slot/pole number combinations and is particularly useful for analyzing the machines with large slot and pole numbers.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2015.2442297</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Air gaps ; air-gap field ; Analytical models ; Atmospheric modeling ; Eccentricity ; Effectiveness ; EMF ; Finite element analysis ; Magnetism ; Mathematical analysis ; Mathematical models ; permanent magnet (PM) machines ; Permanent magnets ; Poles ; Predictive models ; rotor eccentricity ; Rotors ; Stator cores ; subdomain method ; superposition method</subject><ispartof>IEEE transactions on magnetics, 2015-11, Vol.51 (11), p.1-4</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Nov 2015</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c326t-62083a9cc79431a2590c9b5408e6a93f9bcfb5552a9fb65dc8eccfd09c8710fc3</citedby><cites>FETCH-LOGICAL-c326t-62083a9cc79431a2590c9b5408e6a93f9bcfb5552a9fb65dc8eccfd09c8710fc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7118701$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7118701$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Yanxin Li</creatorcontrib><creatorcontrib>Qinfen Lu</creatorcontrib><creatorcontrib>Zhu, Z. Q.</creatorcontrib><creatorcontrib>Wu, L. J.</creatorcontrib><creatorcontrib>Li, G. J.</creatorcontrib><creatorcontrib>Di Wu</creatorcontrib><title>Analytical Synthesis of Air-Gap Field Distribution in Permanent Magnet Machines With Rotor Eccentricity by Superposition Method</title><title>IEEE transactions on magnetics</title><addtitle>TMAG</addtitle><description>This paper proposes an analytical method that combines the superposition and the subdomain methods to predict the air-gap field distribution in permanent magnet (PM) machines with rotor eccentricity. The original machine with rotor eccentricity is divided into a number of air-gap sections along the circumferential direction. For each air-gap section, a concentric model is employed by adopting an equivalent air-gap length to predict the air-gap field using the subdomain method. The air-gap field distribution of the original model can then be synthesized from these concentric models. Consequently, the electromagnetic performance can be predicted accordingly, such as flux-linkage, back EMF, and so on. Finally, the direct finite element analysis is used to validate the efficacy of the proposed method. The proposed analytical method can be extended to other machines with different slot/pole number combinations and is particularly useful for analyzing the machines with large slot and pole numbers.</description><subject>Air gaps</subject><subject>air-gap field</subject><subject>Analytical models</subject><subject>Atmospheric modeling</subject><subject>Eccentricity</subject><subject>Effectiveness</subject><subject>EMF</subject><subject>Finite element analysis</subject><subject>Magnetism</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>permanent magnet (PM) machines</subject><subject>Permanent magnets</subject><subject>Poles</subject><subject>Predictive models</subject><subject>rotor eccentricity</subject><subject>Rotors</subject><subject>Stator cores</subject><subject>subdomain method</subject><subject>superposition method</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkcFO3DAQhq2qSN0CD1BxsdRLL1nGTpxkjisKCxIrEFD1GDmzDmuUjVPbOeTEq5N0EQdOo5G-_5dmPsZ-CFgKAXj-tFmtlxKEWsoskxKLL2whMBMJQI5f2QJAlAlmefaNfQ_hZVozJWDBXledbsdoSbf8cezizgQbuGv4yvpkrXt-ZU275b9tiN7WQ7Su47bj98bvdWe6yDf6uTPzoJ3tTOB_bdzxBxed55dEE-Et2TjyeuSPQ29874L937Ixcee2J-yo0W0wp-_zmP25uny6uE5u79Y3F6vbhFKZxySXUKYaiQrMUqGlQiCsVQalyTWmDdbU1EopqbGpc7Wl0hA1W0AqCwENpcfs16G39-7fYEKs9jaQadvpCjeEShRFCSDzEif05yf0xQ1-etNMSUxRYSomShwo8i4Eb5qq93av_VgJqGYl1aykmpVU70qmzNkhY40xH3whRFmASN8AGuKI-Q</recordid><startdate>201511</startdate><enddate>201511</enddate><creator>Yanxin Li</creator><creator>Qinfen Lu</creator><creator>Zhu, Z. 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J. ; Di Wu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c326t-62083a9cc79431a2590c9b5408e6a93f9bcfb5552a9fb65dc8eccfd09c8710fc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Air gaps</topic><topic>air-gap field</topic><topic>Analytical models</topic><topic>Atmospheric modeling</topic><topic>Eccentricity</topic><topic>Effectiveness</topic><topic>EMF</topic><topic>Finite element analysis</topic><topic>Magnetism</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>permanent magnet (PM) machines</topic><topic>Permanent magnets</topic><topic>Poles</topic><topic>Predictive models</topic><topic>rotor eccentricity</topic><topic>Rotors</topic><topic>Stator cores</topic><topic>subdomain method</topic><topic>superposition method</topic><toplevel>online_resources</toplevel><creatorcontrib>Yanxin Li</creatorcontrib><creatorcontrib>Qinfen Lu</creatorcontrib><creatorcontrib>Zhu, Z. 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Q.</au><au>Wu, L. J.</au><au>Li, G. J.</au><au>Di Wu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analytical Synthesis of Air-Gap Field Distribution in Permanent Magnet Machines With Rotor Eccentricity by Superposition Method</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2015-11</date><risdate>2015</risdate><volume>51</volume><issue>11</issue><spage>1</spage><epage>4</epage><pages>1-4</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>This paper proposes an analytical method that combines the superposition and the subdomain methods to predict the air-gap field distribution in permanent magnet (PM) machines with rotor eccentricity. The original machine with rotor eccentricity is divided into a number of air-gap sections along the circumferential direction. For each air-gap section, a concentric model is employed by adopting an equivalent air-gap length to predict the air-gap field using the subdomain method. The air-gap field distribution of the original model can then be synthesized from these concentric models. Consequently, the electromagnetic performance can be predicted accordingly, such as flux-linkage, back EMF, and so on. Finally, the direct finite element analysis is used to validate the efficacy of the proposed method. The proposed analytical method can be extended to other machines with different slot/pole number combinations and is particularly useful for analyzing the machines with large slot and pole numbers.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TMAG.2015.2442297</doi><tpages>4</tpages></addata></record> |
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| subjects | Air gaps air-gap field Analytical models Atmospheric modeling Eccentricity Effectiveness EMF Finite element analysis Magnetism Mathematical analysis Mathematical models permanent magnet (PM) machines Permanent magnets Poles Predictive models rotor eccentricity Rotors Stator cores subdomain method superposition method |
| title | Analytical Synthesis of Air-Gap Field Distribution in Permanent Magnet Machines With Rotor Eccentricity by Superposition Method |
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