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Inftech."],"published-print":{"date-parts":[[2021,10]]},"abstract":"<jats:title>Zusammenfassung<\/jats:title><jats:p>Permanentmagneterregte Synchronmaschinen werden im Bereich der Traktionsmaschinen in der Regel mit einer Rotorstaffelung ausgef\u00fchrt, d. h. der Rotor wird \u00e4hnlich wie bei der Nutschr\u00e4gung entlang des Blechpakets segmentweise um insgesamt eine Nutteilung am Umfang versetzt, um Parasit\u00e4reffekte wie Drehmomentwelligkeit zu reduzieren und das akustische Verhalten zu verbessern. Allerdings wird durch die Staffelung der Rotorsegmente in axialer Richtung die Hauptwellenflussverkettung der Permanentmagnete gegen\u00fcber einer ungestaffelten Maschine verringert. Daher muss in einer gestaffelten Maschine mehr Magnetmaterial eingesetzt werden als in einer ungestaffelten Maschine, um das gleiche Drehmoment zu erreichen, was sich in den Kosten niederschl\u00e4gt. Dar\u00fcber hinaus ist die Staffelung ein vergleichsweise aufwendiger Schritt im Fertigungsprozess, sodass sich die Produktionszeit je Maschine erh\u00f6ht und letztendlich die Kosten steigen.<\/jats:p><jats:p>In diesem Artikel wird der Einfluss einer Rotorpolweitenmodulation auf das Betriebsverhalten f\u00fcr V-f\u00f6rmig vergrabene Magnettopologien untersucht. Es wird bewertet, ob mithilfe dieser zus\u00e4tzlichen Modifikation der Maschinengeometrie ein Antrieb ohne Staffelung ausgef\u00fchrt werden kann, der die Vorgaben des Lastenhefts in Bezug auf die Drehmomentwelligkeit sowie auf das maximale Drehmoment einh\u00e4lt und gleichzeitig die Ger\u00e4uschemissionen begrenzt. Zur vorteilhaften Gestaltung einer Rotorpolweitenmodulation wird eine Kombination der Magnet\u00f6ffnungswinkel mittels eines analytischen Netzwerks identifiziert, die die f\u00fcr die Anregung von Pendelmomenten und Ger\u00e4uschen kritischen Feldwellen des Rotors reduzieren kann. Anschlie\u00dfend werden die analytischen Ergebnisse mit FEM-Berechnungen validiert. Der Einfluss der Rotorpolweitenmodulation auf das Drehmomentverhalten sowie die Ger\u00e4uschanregung wird mit der gestaffelten Referenzmaschine verglichen.<\/jats:p>","DOI":"10.1007\/s00502-021-00901-5","type":"journal-article","created":{"date-parts":[[2021,7,13]],"date-time":"2021-07-13T09:04:20Z","timestamp":1626167060000},"page":"371-382","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Einfluss der Rotorgeometrie auf Schwingungs- und Ger\u00e4uschemissionen elektrischer Fahrzeugantriebe","Influence of rotor geometry on vibrations and acoustic noise emissions of electric traction machines"],"prefix":"10.1007","volume":"138","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1948-3682","authenticated-orcid":false,"given":"Marc","family":"England","sequence":"first","affiliation":[]},{"given":"Bernd","family":"Ponick","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2021,7,13]]},"reference":[{"issue":"3","key":"901_CR1","doi-asserted-by":"publisher","first-page":"2280","DOI":"10.1109\/TIA.2016.2532289","volume":"52","author":"A. 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