A Study on the Effect of Eddy Current Loss and Demagnetization Characteristics of Magnet Division
Permanent magnet motor is used in various fields because of their relatively small size, high power and high efficiency. However, an electric machine performance using permanent magnet can be decreased as temperature, humidity, and magnetic field related demagnetization phenomenon. Therefore, the mo...
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| Veröffentlicht in: | IEEE transactions on applied superconductivity 2020-06, Vol.30 (4), p.1-5 |
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| creator | Kim, Byung-Chan Lee, Jong-Hun Kang, Dong-Woo |
| description | Permanent magnet motor is used in various fields because of their relatively small size, high power and high efficiency. However, an electric machine performance using permanent magnet can be decreased as temperature, humidity, and magnetic field related demagnetization phenomenon. Therefore, the motor should be designed considering the demagnetization characteristics. In this paper, the demagnetization characteristics and eddy current loss of a BLDC motor generator are analyzed according to magnet segments. For the comparison of eddy current loss, 3D analysis is performed by dividing the magnet into Non segment, three segments, five segments, and seven segments. The magnet demagnetization according to the change in eddy current is analyzed. The rotor temperature is measured to determine the difference in heating caused by the change in eddy current loss. The electromagnetic characteristics are analyzed by ANSYS EM 19.0. The validity of the results is verified by comparing the simulation and experimental data. |
| doi_str_mv | 10.1109/TASC.2020.2986967 |
| format | Article |
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However, an electric machine performance using permanent magnet can be decreased as temperature, humidity, and magnetic field related demagnetization phenomenon. Therefore, the motor should be designed considering the demagnetization characteristics. In this paper, the demagnetization characteristics and eddy current loss of a BLDC motor generator are analyzed according to magnet segments. For the comparison of eddy current loss, 3D analysis is performed by dividing the magnet into Non segment, three segments, five segments, and seven segments. The magnet demagnetization according to the change in eddy current is analyzed. The rotor temperature is measured to determine the difference in heating caused by the change in eddy current loss. The electromagnetic characteristics are analyzed by ANSYS EM 19.0. The validity of the results is verified by comparing the simulation and experimental data.</description><identifier>ISSN: 1051-8223</identifier><identifier>EISSN: 1558-2515</identifier><identifier>DOI: 10.1109/TASC.2020.2986967</identifier><identifier>CODEN: ITASE9</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Brushless motors ; Current loss ; D C motors ; Demagnetization ; eddy current loss ; Eddy current testing ; Eddy currents ; efficiency ; Electromagnetic properties ; Induction heating ; Magnetic analysis ; Magnetic flux ; Magnetic resonance imaging ; Magnetism ; Permanent magnets ; segmented magnet ; Segments ; Superconducting magnets</subject><ispartof>IEEE transactions on applied superconductivity, 2020-06, Vol.30 (4), p.1-5</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-8c524a1d7c8b91699b6dbdb65bec296a5d6e69d1daa18a8a07d9e067e91ddf963</citedby><cites>FETCH-LOGICAL-c293t-8c524a1d7c8b91699b6dbdb65bec296a5d6e69d1daa18a8a07d9e067e91ddf963</cites><orcidid>0000-0002-5763-7585 ; 0000-0001-8587-6500</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9064582$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9064582$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Kim, Byung-Chan</creatorcontrib><creatorcontrib>Lee, Jong-Hun</creatorcontrib><creatorcontrib>Kang, Dong-Woo</creatorcontrib><title>A Study on the Effect of Eddy Current Loss and Demagnetization Characteristics of Magnet Division</title><title>IEEE transactions on applied superconductivity</title><addtitle>TASC</addtitle><description>Permanent magnet motor is used in various fields because of their relatively small size, high power and high efficiency. However, an electric machine performance using permanent magnet can be decreased as temperature, humidity, and magnetic field related demagnetization phenomenon. Therefore, the motor should be designed considering the demagnetization characteristics. In this paper, the demagnetization characteristics and eddy current loss of a BLDC motor generator are analyzed according to magnet segments. For the comparison of eddy current loss, 3D analysis is performed by dividing the magnet into Non segment, three segments, five segments, and seven segments. The magnet demagnetization according to the change in eddy current is analyzed. The rotor temperature is measured to determine the difference in heating caused by the change in eddy current loss. The electromagnetic characteristics are analyzed by ANSYS EM 19.0. The validity of the results is verified by comparing the simulation and experimental data.</description><subject>Brushless motors</subject><subject>Current loss</subject><subject>D C motors</subject><subject>Demagnetization</subject><subject>eddy current loss</subject><subject>Eddy current testing</subject><subject>Eddy currents</subject><subject>efficiency</subject><subject>Electromagnetic properties</subject><subject>Induction heating</subject><subject>Magnetic analysis</subject><subject>Magnetic flux</subject><subject>Magnetic resonance imaging</subject><subject>Magnetism</subject><subject>Permanent magnets</subject><subject>segmented magnet</subject><subject>Segments</subject><subject>Superconducting magnets</subject><issn>1051-8223</issn><issn>1558-2515</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE1LAzEQhoMoWKs_QLwEPG9Nsptscizb-gEVD63nkN3M2hS7W5OsUH-9qS2eZhied4Z5ELqlZEIpUQ-r6bKaMMLIhCkplCjP0IhyLjPGKT9PPeE0k4zll-gqhA0htJAFHyEzxcs42D3uOxzXgOdtC03EfYvnNk2rwXvoIl70IWDTWTyDrfnoILofE13KVGvjTRPBuxBdEw7B1z8Az9y3Cwm5Rhet-Qxwc6pj9P44X1XP2eLt6aWaLrKGqTxmsuGsMNSWjawVFUrVwta2FryGBAjDrQChLLXGUGmkIaVVQEQJilrbKpGP0f1x7873XwOEqDf94Lt0UrNclYqS4o-iR6rx6SUPrd55tzV-rynRB5P6YFIfTOqTyZS5O2YcAPzzioiCS5b_Aibyb9o</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Kim, Byung-Chan</creator><creator>Lee, Jong-Hun</creator><creator>Kang, Dong-Woo</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>7U5</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-5763-7585</orcidid><orcidid>https://orcid.org/0000-0001-8587-6500</orcidid></search><sort><creationdate>20200601</creationdate><title>A Study on the Effect of Eddy Current Loss and Demagnetization Characteristics of Magnet Division</title><author>Kim, Byung-Chan ; Lee, Jong-Hun ; Kang, Dong-Woo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-8c524a1d7c8b91699b6dbdb65bec296a5d6e69d1daa18a8a07d9e067e91ddf963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Brushless motors</topic><topic>Current loss</topic><topic>D C motors</topic><topic>Demagnetization</topic><topic>eddy current loss</topic><topic>Eddy current testing</topic><topic>Eddy currents</topic><topic>efficiency</topic><topic>Electromagnetic properties</topic><topic>Induction heating</topic><topic>Magnetic analysis</topic><topic>Magnetic flux</topic><topic>Magnetic resonance imaging</topic><topic>Magnetism</topic><topic>Permanent magnets</topic><topic>segmented magnet</topic><topic>Segments</topic><topic>Superconducting magnets</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kim, Byung-Chan</creatorcontrib><creatorcontrib>Lee, Jong-Hun</creatorcontrib><creatorcontrib>Kang, Dong-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>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE transactions on applied superconductivity</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Kim, Byung-Chan</au><au>Lee, Jong-Hun</au><au>Kang, Dong-Woo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Study on the Effect of Eddy Current Loss and Demagnetization Characteristics of Magnet Division</atitle><jtitle>IEEE transactions on applied superconductivity</jtitle><stitle>TASC</stitle><date>2020-06-01</date><risdate>2020</risdate><volume>30</volume><issue>4</issue><spage>1</spage><epage>5</epage><pages>1-5</pages><issn>1051-8223</issn><eissn>1558-2515</eissn><coden>ITASE9</coden><abstract>Permanent magnet motor is used in various fields because of their relatively small size, high power and high efficiency. However, an electric machine performance using permanent magnet can be decreased as temperature, humidity, and magnetic field related demagnetization phenomenon. Therefore, the motor should be designed considering the demagnetization characteristics. In this paper, the demagnetization characteristics and eddy current loss of a BLDC motor generator are analyzed according to magnet segments. For the comparison of eddy current loss, 3D analysis is performed by dividing the magnet into Non segment, three segments, five segments, and seven segments. The magnet demagnetization according to the change in eddy current is analyzed. The rotor temperature is measured to determine the difference in heating caused by the change in eddy current loss. The electromagnetic characteristics are analyzed by ANSYS EM 19.0. The validity of the results is verified by comparing the simulation and experimental data.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TASC.2020.2986967</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0002-5763-7585</orcidid><orcidid>https://orcid.org/0000-0001-8587-6500</orcidid></addata></record> |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Brushless motors Current loss D C motors Demagnetization eddy current loss Eddy current testing Eddy currents efficiency Electromagnetic properties Induction heating Magnetic analysis Magnetic flux Magnetic resonance imaging Magnetism Permanent magnets segmented magnet Segments Superconducting magnets |
| title | A Study on the Effect of Eddy Current Loss and Demagnetization Characteristics of Magnet Division |
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