Winding Method to Reduce Vibration and Loss Caused by Fractional Slot of Synchronous Machine
SUMMARY Fractional‐slot windings are widely used in rotating machines in order to improve the output voltage waveform, increase the design flexibility, and gain many other advantages. However, fractional‐slot windings are known to produce different harmonic components such as an even order and/or fr...
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| Veröffentlicht in: | Electrical engineering in Japan 2017-01, Vol.198 (2), p.39-49 |
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| creator | HIRAMATSU, DAISUKE TSUJIKAWA, KAZUMA UEDA, TAKASHI FUJITA, MASAFUMI ISHIZUKA, HIROAKI OKUBO, MASASHI HACHIYA, HIDEYUKI MORI, JUNJI NOZAKI, DAI IWASHITA, DAISUKE TOKUMASU, TADASHI |
| description | SUMMARY
Fractional‐slot windings are widely used in rotating machines in order to improve the output voltage waveform, increase the design flexibility, and gain many other advantages. However, fractional‐slot windings are known to produce different harmonic components such as an even order and/or fractional number of space flux harmonics compared to integral‐slot windings. These harmonics may increase stray losses and cause stator core vibration. This paper describes an analysis of space flux harmonics and proposes new winding methods such as “novel interspersed windings” to reduce these harmonic components. The proposed winding methods were verified by numerical analysis and model tests. |
| doi_str_mv | 10.1002/eej.22897 |
| format | Article |
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Fractional‐slot windings are widely used in rotating machines in order to improve the output voltage waveform, increase the design flexibility, and gain many other advantages. However, fractional‐slot windings are known to produce different harmonic components such as an even order and/or fractional number of space flux harmonics compared to integral‐slot windings. These harmonics may increase stray losses and cause stator core vibration. This paper describes an analysis of space flux harmonics and proposes new winding methods such as “novel interspersed windings” to reduce these harmonic components. The proposed winding methods were verified by numerical analysis and model tests.</description><identifier>ISSN: 0424-7760</identifier><identifier>EISSN: 1520-6416</identifier><identifier>DOI: 10.1002/eej.22897</identifier><language>eng</language><publisher>Hoboken: Wiley Subscription Services, Inc</publisher><subject>Coils (windings) ; Core loss ; Design analysis ; Design improvements ; Electric potential ; Flux ; fractional‐slot windings ; Harmonics ; interspersed windings ; magnetomotive force ; Mathematical models ; Numerical analysis ; Numerical methods ; Rotating machinery ; Rotating machines ; synchronous machine ; Vibration ; Vibration analysis ; Vibration control ; Winding</subject><ispartof>Electrical engineering in Japan, 2017-01, Vol.198 (2), p.39-49</ispartof><rights>2016 Wiley Periodicals, Inc.</rights><rights>Copyright © 2017 by Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3567-f6503a9fbaf05f237e1927d6efc026f75248a91e146457246dc837b9027dc2223</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Feej.22897$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Feej.22897$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>HIRAMATSU, DAISUKE</creatorcontrib><creatorcontrib>TSUJIKAWA, KAZUMA</creatorcontrib><creatorcontrib>UEDA, TAKASHI</creatorcontrib><creatorcontrib>FUJITA, MASAFUMI</creatorcontrib><creatorcontrib>ISHIZUKA, HIROAKI</creatorcontrib><creatorcontrib>OKUBO, MASASHI</creatorcontrib><creatorcontrib>HACHIYA, HIDEYUKI</creatorcontrib><creatorcontrib>MORI, JUNJI</creatorcontrib><creatorcontrib>NOZAKI, DAI</creatorcontrib><creatorcontrib>IWASHITA, DAISUKE</creatorcontrib><creatorcontrib>TOKUMASU, TADASHI</creatorcontrib><title>Winding Method to Reduce Vibration and Loss Caused by Fractional Slot of Synchronous Machine</title><title>Electrical engineering in Japan</title><description>SUMMARY
Fractional‐slot windings are widely used in rotating machines in order to improve the output voltage waveform, increase the design flexibility, and gain many other advantages. However, fractional‐slot windings are known to produce different harmonic components such as an even order and/or fractional number of space flux harmonics compared to integral‐slot windings. These harmonics may increase stray losses and cause stator core vibration. This paper describes an analysis of space flux harmonics and proposes new winding methods such as “novel interspersed windings” to reduce these harmonic components. The proposed winding methods were verified by numerical analysis and model tests.</description><subject>Coils (windings)</subject><subject>Core loss</subject><subject>Design analysis</subject><subject>Design improvements</subject><subject>Electric potential</subject><subject>Flux</subject><subject>fractional‐slot windings</subject><subject>Harmonics</subject><subject>interspersed windings</subject><subject>magnetomotive force</subject><subject>Mathematical models</subject><subject>Numerical analysis</subject><subject>Numerical methods</subject><subject>Rotating machinery</subject><subject>Rotating machines</subject><subject>synchronous machine</subject><subject>Vibration</subject><subject>Vibration analysis</subject><subject>Vibration control</subject><subject>Winding</subject><issn>0424-7760</issn><issn>1520-6416</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp10M9LwzAUB_AgCs7pwf8g4EUP3ZK0SdqjjM0fTATnj4sQ0vTFdXTNTFqk_72t8yR4yTvk8x7vfRE6p2RCCWFTgM2EsTSTB2hEOSORSKg4RCOSsCSSUpBjdBLChhAiqUxH6P2trIuy_sAP0KxdgRuHn6BoDeDXMve6KV2NdV3gpQsBz3QboMB5hxdem-FPV3hVuQY7i1ddbdbe1a4N-EGbdVnDKTqyugpw9lvH6GUxf57dRsvHm7vZ9TIyMRcysoKTWGc215Zwy2IJNGOyEGANYcJKzpJUZxRoIhIuWSIKk8Yyz0iPDGMsHqPL_dydd58thEZty2CgqnQN_TqKppzHKZNkoBd_6Ma1vr-jVxkjieifQV3tlfH93R6s2vlyq32nKFFDzqrPWf3k3Nvp3n6VFXT_QzWf3-87vgFBRHzq</recordid><startdate>201701</startdate><enddate>201701</enddate><creator>HIRAMATSU, DAISUKE</creator><creator>TSUJIKAWA, KAZUMA</creator><creator>UEDA, TAKASHI</creator><creator>FUJITA, MASAFUMI</creator><creator>ISHIZUKA, HIROAKI</creator><creator>OKUBO, MASASHI</creator><creator>HACHIYA, HIDEYUKI</creator><creator>MORI, JUNJI</creator><creator>NOZAKI, DAI</creator><creator>IWASHITA, DAISUKE</creator><creator>TOKUMASU, TADASHI</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>L7M</scope></search><sort><creationdate>201701</creationdate><title>Winding Method to Reduce Vibration and Loss Caused by Fractional Slot of Synchronous Machine</title><author>HIRAMATSU, DAISUKE ; TSUJIKAWA, KAZUMA ; UEDA, TAKASHI ; FUJITA, MASAFUMI ; ISHIZUKA, HIROAKI ; OKUBO, MASASHI ; HACHIYA, HIDEYUKI ; MORI, JUNJI ; NOZAKI, DAI ; IWASHITA, DAISUKE ; TOKUMASU, TADASHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3567-f6503a9fbaf05f237e1927d6efc026f75248a91e146457246dc837b9027dc2223</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Coils (windings)</topic><topic>Core loss</topic><topic>Design analysis</topic><topic>Design improvements</topic><topic>Electric potential</topic><topic>Flux</topic><topic>fractional‐slot windings</topic><topic>Harmonics</topic><topic>interspersed windings</topic><topic>magnetomotive force</topic><topic>Mathematical models</topic><topic>Numerical analysis</topic><topic>Numerical methods</topic><topic>Rotating machinery</topic><topic>Rotating machines</topic><topic>synchronous machine</topic><topic>Vibration</topic><topic>Vibration analysis</topic><topic>Vibration control</topic><topic>Winding</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HIRAMATSU, DAISUKE</creatorcontrib><creatorcontrib>TSUJIKAWA, KAZUMA</creatorcontrib><creatorcontrib>UEDA, TAKASHI</creatorcontrib><creatorcontrib>FUJITA, MASAFUMI</creatorcontrib><creatorcontrib>ISHIZUKA, HIROAKI</creatorcontrib><creatorcontrib>OKUBO, MASASHI</creatorcontrib><creatorcontrib>HACHIYA, HIDEYUKI</creatorcontrib><creatorcontrib>MORI, JUNJI</creatorcontrib><creatorcontrib>NOZAKI, DAI</creatorcontrib><creatorcontrib>IWASHITA, DAISUKE</creatorcontrib><creatorcontrib>TOKUMASU, TADASHI</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Electrical engineering in Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HIRAMATSU, DAISUKE</au><au>TSUJIKAWA, KAZUMA</au><au>UEDA, TAKASHI</au><au>FUJITA, MASAFUMI</au><au>ISHIZUKA, HIROAKI</au><au>OKUBO, MASASHI</au><au>HACHIYA, HIDEYUKI</au><au>MORI, JUNJI</au><au>NOZAKI, DAI</au><au>IWASHITA, DAISUKE</au><au>TOKUMASU, TADASHI</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Winding Method to Reduce Vibration and Loss Caused by Fractional Slot of Synchronous Machine</atitle><jtitle>Electrical engineering in Japan</jtitle><date>2017-01</date><risdate>2017</risdate><volume>198</volume><issue>2</issue><spage>39</spage><epage>49</epage><pages>39-49</pages><issn>0424-7760</issn><eissn>1520-6416</eissn><abstract>SUMMARY
Fractional‐slot windings are widely used in rotating machines in order to improve the output voltage waveform, increase the design flexibility, and gain many other advantages. However, fractional‐slot windings are known to produce different harmonic components such as an even order and/or fractional number of space flux harmonics compared to integral‐slot windings. These harmonics may increase stray losses and cause stator core vibration. This paper describes an analysis of space flux harmonics and proposes new winding methods such as “novel interspersed windings” to reduce these harmonic components. The proposed winding methods were verified by numerical analysis and model tests.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/eej.22897</doi><tpages>11</tpages></addata></record> |
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| ispartof | Electrical engineering in Japan, 2017-01, Vol.198 (2), p.39-49 |
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| language | eng |
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| source | Wiley Journals |
| subjects | Coils (windings) Core loss Design analysis Design improvements Electric potential Flux fractional‐slot windings Harmonics interspersed windings magnetomotive force Mathematical models Numerical analysis Numerical methods Rotating machinery Rotating machines synchronous machine Vibration Vibration analysis Vibration control Winding |
| title | Winding Method to Reduce Vibration and Loss Caused by Fractional Slot of Synchronous Machine |
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