Combined Analytical-Numerical Noise Calculation of Electrical Machines Considering Nonsinusoidal Mode Shapes
This paper describes a calculation method for the electromagnetically excited noise of different types of rotating electrical machines. A numerically gained modal matrix of the stator is used for the analytical calculation of the surface's deflection and thus combines short calculation times of...
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| Veröffentlicht in: | IEEE transactions on magnetics 2013-04, Vol.49 (4), p.1407-1415 |
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| container_title | IEEE transactions on magnetics |
| container_volume | 49 |
| creator | Braunisch, Dirk Ponick, Bernd Bramerdorfer, Gerd |
| description | This paper describes a calculation method for the electromagnetically excited noise of different types of rotating electrical machines. A numerically gained modal matrix of the stator is used for the analytical calculation of the surface's deflection and thus combines short calculation times of analytical methods with the accuracy of numerical calculations. Considering elliptic deformations due to nonsymmetrical pairs of eigenvectors, as especially occurring for small machines with few teeth, a time-stepping algorithm allows the examination of noncircular spatial harmonics of the deformation. An adapted analytical sound pressure calculation is appended. Finally, a comparison with a measurement of the surface oscillation validates the improved calculation method. |
| doi_str_mv | 10.1109/TMAG.2012.2228214 |
| format | Article |
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A numerically gained modal matrix of the stator is used for the analytical calculation of the surface's deflection and thus combines short calculation times of analytical methods with the accuracy of numerical calculations. Considering elliptic deformations due to nonsymmetrical pairs of eigenvectors, as especially occurring for small machines with few teeth, a time-stepping algorithm allows the examination of noncircular spatial harmonics of the deformation. An adapted analytical sound pressure calculation is appended. Finally, a comparison with a measurement of the surface oscillation validates the improved calculation method.</description><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Eigenvectors</subject><subject>electrical machines</subject><subject>Exact sciences and technology</subject><subject>Finite element methods</subject><subject>Force</subject><subject>Harmonic analysis</subject><subject>magnetic noise</subject><subject>Materials science</subject><subject>Mathematical model</subject><subject>modal analysis</subject><subject>Noise</subject><subject>noise prediction</subject><subject>Other topics in materials science</subject><subject>Physics</subject><subject>Stator windings</subject><issn>0018-9464</issn><issn>1941-0069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEtPwzAQhC0EEqXwAxCXXDimeP2Kc6yiUpDacqCcI8cPapTGVZwe-u9x1KqnndXMt9IOQs-AZwC4fNuu58sZwUBmhBBJgN2gCZQMcoxFeYsmGIPMSybYPXqI8S-tjAOeoLYK-8Z31mTzTrWnwWvV5pvj3vajyjbBR5tVqtXHVg0-dFlw2aK1ejj7a6V3iY5ZFbroTaK63wQl3R1j8GaMBGOz75062PiI7pxqo326zCn6eV9sq4989bX8rOarXJOSDzltKDFGNgWjWjomOCmslsJykJhJjkGVzljTSBAOF9Y6zTURGmtBNTeS0ymC813dhxh76-pD7_eqP9WA67GueqyrHuuqL3Ul5vXMHFRMn7leddrHK0gKAgBcptzLOeettVdbUF5QXNB_atV1EQ</recordid><startdate>20130401</startdate><enddate>20130401</enddate><creator>Braunisch, Dirk</creator><creator>Ponick, Bernd</creator><creator>Bramerdorfer, Gerd</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20130401</creationdate><title>Combined Analytical-Numerical Noise Calculation of Electrical Machines Considering Nonsinusoidal Mode Shapes</title><author>Braunisch, Dirk ; Ponick, Bernd ; Bramerdorfer, Gerd</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c295t-3b32dd8b743c8f46527ec86e518048501a9fdedb816f07eefc5c26c0c63c5d853</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Eigenvectors</topic><topic>electrical machines</topic><topic>Exact sciences and technology</topic><topic>Finite element methods</topic><topic>Force</topic><topic>Harmonic analysis</topic><topic>magnetic noise</topic><topic>Materials science</topic><topic>Mathematical model</topic><topic>modal analysis</topic><topic>Noise</topic><topic>noise prediction</topic><topic>Other topics in materials science</topic><topic>Physics</topic><topic>Stator windings</topic><toplevel>online_resources</toplevel><creatorcontrib>Braunisch, Dirk</creatorcontrib><creatorcontrib>Ponick, Bernd</creatorcontrib><creatorcontrib>Bramerdorfer, Gerd</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>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>IEEE transactions on magnetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Braunisch, Dirk</au><au>Ponick, Bernd</au><au>Bramerdorfer, Gerd</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Combined Analytical-Numerical Noise Calculation of Electrical Machines Considering Nonsinusoidal Mode Shapes</atitle><jtitle>IEEE transactions on magnetics</jtitle><stitle>TMAG</stitle><date>2013-04-01</date><risdate>2013</risdate><volume>49</volume><issue>4</issue><spage>1407</spage><epage>1415</epage><pages>1407-1415</pages><issn>0018-9464</issn><eissn>1941-0069</eissn><coden>IEMGAQ</coden><abstract>This paper describes a calculation method for the electromagnetically excited noise of different types of rotating electrical machines. A numerically gained modal matrix of the stator is used for the analytical calculation of the surface's deflection and thus combines short calculation times of analytical methods with the accuracy of numerical calculations. Considering elliptic deformations due to nonsymmetrical pairs of eigenvectors, as especially occurring for small machines with few teeth, a time-stepping algorithm allows the examination of noncircular spatial harmonics of the deformation. An adapted analytical sound pressure calculation is appended. Finally, a comparison with a measurement of the surface oscillation validates the improved calculation method.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/TMAG.2012.2228214</doi><tpages>9</tpages></addata></record> |
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| ispartof | IEEE transactions on magnetics, 2013-04, Vol.49 (4), p.1407-1415 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Cross-disciplinary physics: materials science rheology Eigenvectors electrical machines Exact sciences and technology Finite element methods Force Harmonic analysis magnetic noise Materials science Mathematical model modal analysis Noise noise prediction Other topics in materials science Physics Stator windings |
| title | Combined Analytical-Numerical Noise Calculation of Electrical Machines Considering Nonsinusoidal Mode Shapes |
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