Analysis of Eddy Current Loss in Permanent Magnet Linear Synchronous Generator Considering Tapped Holes in Movers Using Semi-3-D Analytical Method
This paper describes the analysis of the eddy current loss of a double-sided cored slotless-type permanent magnet linear synchronous generator considering tapped holes in mover magnets using the space harmonic method. To calculate the eddy current, an analytical solution was derived by applying the...
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| Veröffentlicht in: | IEEE transactions on magnetics 2017-11, Vol.53 (11), p.1-5 |
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| creator | Jang, Gang-Hyeon Koo, Min-Mo Kim, Jeong-Man Choi, Jang-Young |
| description | This paper describes the analysis of the eddy current loss of a double-sided cored slotless-type permanent magnet linear synchronous generator considering tapped holes in mover magnets using the space harmonic method. To calculate the eddy current, an analytical solution was derived by applying the Maxwell's equation, magnetic vector potential, and Faraday's law in a 2-D Cartesian coordinate system. Based on the armature reaction field distribution produced by the armature winding current, we obtained an analytical solution for the eddy current density distribution. Then, an analytical solution for eddy current loss induced in a permanent magnet (PM) was derived using the equivalent electrical resistance calculated from the PM's volume and eddy current density distribution solution. Finally, the resulting current was determined based on the analysis of eddy current loss. The analytical results produced by using this application of the space harmonic method were validated extensively through comparisons with finite-element method results. |
| doi_str_mv | 10.1109/TMAG.2017.2708140 |
| format | Article |
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To calculate the eddy current, an analytical solution was derived by applying the Maxwell's equation, magnetic vector potential, and Faraday's law in a 2-D Cartesian coordinate system. Based on the armature reaction field distribution produced by the armature winding current, we obtained an analytical solution for the eddy current density distribution. Then, an analytical solution for eddy current loss induced in a permanent magnet (PM) was derived using the equivalent electrical resistance calculated from the PM's volume and eddy current density distribution solution. Finally, the resulting current was determined based on the analysis of eddy current loss. The analytical results produced by using this application of the space harmonic method were validated extensively through comparisons with finite-element method results.</description><identifier>ISSN: 0018-9464</identifier><identifier>EISSN: 1941-0069</identifier><identifier>DOI: 10.1109/TMAG.2017.2708140</identifier><identifier>CODEN: IEMGAQ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>3-D finite-element (FE) analysis ; Air gaps ; analytical method ; Cartesian coordinates ; Current density ; Current distribution ; Current loss ; Density distribution ; eddy current losses ; Eddy current testing ; Eddy currents ; Finite element method ; Harmonic analysis ; Magnetic cores ; Magnetic flux ; Magnetism ; Magnets ; Mathematical analysis ; permanent magnet (PM) synchronous machines ; Permanent magnets ; Three-dimensional displays</subject><ispartof>IEEE transactions on magnetics, 2017-11, Vol.53 (11), p.1-5</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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To calculate the eddy current, an analytical solution was derived by applying the Maxwell's equation, magnetic vector potential, and Faraday's law in a 2-D Cartesian coordinate system. Based on the armature reaction field distribution produced by the armature winding current, we obtained an analytical solution for the eddy current density distribution. Then, an analytical solution for eddy current loss induced in a permanent magnet (PM) was derived using the equivalent electrical resistance calculated from the PM's volume and eddy current density distribution solution. Finally, the resulting current was determined based on the analysis of eddy current loss. The analytical results produced by using this application of the space harmonic method were validated extensively through comparisons with finite-element method results.</description><subject>3-D finite-element (FE) analysis</subject><subject>Air gaps</subject><subject>analytical method</subject><subject>Cartesian coordinates</subject><subject>Current density</subject><subject>Current distribution</subject><subject>Current loss</subject><subject>Density distribution</subject><subject>eddy current losses</subject><subject>Eddy current testing</subject><subject>Eddy currents</subject><subject>Finite element method</subject><subject>Harmonic analysis</subject><subject>Magnetic cores</subject><subject>Magnetic flux</subject><subject>Magnetism</subject><subject>Magnets</subject><subject>Mathematical analysis</subject><subject>permanent magnet (PM) synchronous machines</subject><subject>Permanent magnets</subject><subject>Three-dimensional displays</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kNFKwzAUhoMoOKcPIN4EvO5M2jRtLkedm7CisHpdsvZ0y-iSmrRCX8Mntt2GV4dzzv__nPMh9EjJjFIiXrJ0vpz5hEYzPyIxZeQKTahg1COEi2s0IYTGnmCc3aI75w5Dy0JKJuh3rmXdO-WwqfCiLHucdNaCbvHaOIeVxp9gj1KPk1TuNAwLpUFavOl1sbdGm87hJWiwsjUWJ0Y7VYJVeocz2TRQ4pWp4ZSUmh-wDn-5cbmBo_IC7xWfDmhVIWucQrs35T26qWTt4OFSpyh7W2TJylt_LN-T-dorfBG0Hh8fKHkUlIJTInnBfSErEnIShpFfBdW25KIYBnERbouIUUEZBx5JKQURcTBFz-fYxprvDlybH0xnh2NcTkXImR_zQAwqelYVduBhocobq47S9jkl-Ug-H8nnI_n8Qn7wPJ09CgD-9ZEIGInC4A9N4H-Z</recordid><startdate>20171101</startdate><enddate>20171101</enddate><creator>Jang, Gang-Hyeon</creator><creator>Koo, Min-Mo</creator><creator>Kim, Jeong-Man</creator><creator>Choi, Jang-Young</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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To calculate the eddy current, an analytical solution was derived by applying the Maxwell's equation, magnetic vector potential, and Faraday's law in a 2-D Cartesian coordinate system. Based on the armature reaction field distribution produced by the armature winding current, we obtained an analytical solution for the eddy current density distribution. Then, an analytical solution for eddy current loss induced in a permanent magnet (PM) was derived using the equivalent electrical resistance calculated from the PM's volume and eddy current density distribution solution. Finally, the resulting current was determined based on the analysis of eddy current loss. 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| subjects | 3-D finite-element (FE) analysis Air gaps analytical method Cartesian coordinates Current density Current distribution Current loss Density distribution eddy current losses Eddy current testing Eddy currents Finite element method Harmonic analysis Magnetic cores Magnetic flux Magnetism Magnets Mathematical analysis permanent magnet (PM) synchronous machines Permanent magnets Three-dimensional displays |
| title | Analysis of Eddy Current Loss in Permanent Magnet Linear Synchronous Generator Considering Tapped Holes in Movers Using Semi-3-D Analytical Method |
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