2020
DOI: 10.1007/s00502-020-00798-6
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Analytische Ermittlung des Nutschlitzanteils der Wicklung-Rotor-Kapazität zur Vorausberechnung von Lagerspannungen in elektrischen Maschinen

Abstract: ZusammenfassungDie Anzahl umrichtergespeister Antriebe steigt aufgrund der guten Regelbarkeit des Motors bei mittlerweile geringen Anschaffungskosten. Infolge der diskreten Schaltzustände der Leistungstransistoren ist der Mittelwert der drei Ausgangsspannungen eines Zweipunkt-Wechselrichters eine von Null verschiedene Gleichtaktspannung, welche als Common-Mode-Spannung bezeichnet wird. Die Gleichtaktspannung wird durch den Umrichter in die Motorwicklung eingeprägt. Über die Wicklung-Rotor-Kapazität entsteht ei… Show more

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Cited by 3 publications
(6 citation statements)
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“…Again, the deviations between the potential amplitudes calculated in the presented stator slot model and those determined by means of FEM simulations are in the single-digit percentage range. The slot portions of the winding-to-rotor capacitance calculated, according to Reference [11], have a maximum deviation of about 11% compared to FEM results.…”
Section: Resultsmentioning
confidence: 95%
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“…Again, the deviations between the potential amplitudes calculated in the presented stator slot model and those determined by means of FEM simulations are in the single-digit percentage range. The slot portions of the winding-to-rotor capacitance calculated, according to Reference [11], have a maximum deviation of about 11% compared to FEM results.…”
Section: Resultsmentioning
confidence: 95%
“…2 , 0 can be determined with the presented slot model. Afterwards, the slot portion of the winding-to-rotor capacitance C wr,ns,anal can be calculated in the air gap model, according to Reference [11]. Table 3 contains the analytically calculated and by means of FEM simulations determined potential amplitudes and the slot portions of the winding-to-rotor capacitance.…”
Section: Resultsmentioning
confidence: 99%
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