This work discusses the modelling approach adopted for the estimation of the voltage distribution within hairpin windings of electrical machines. The physical phenomena and the major contributors to the occurrence of the uneven voltage distribution are first described. Then, the equivalent circuit used to predict the voltage distribution is presented in detail. The circuital parameters employed in the equivalent circuit are estimated via finite element electrostatic and electromagnetic analyses. Finally, a numerical tool is used to solve the differential equations describing the equivalent circuit above mentioned. Simulation results are illustrated and discussed. The phenomena under investigation are applied to a pre-defined reference system, consisting of slot motorettes.

Modelling of Voltage Distribution within Hairpin Windings / Preci, E.; Nuzzo, S.; Barater, D.; Gerada, D.; Degano, M.; Buticchi, G.; Gerada, C.. - 2021-:(2021), pp. 1-6. ((Intervento presentato al convegno 47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021 tenutosi a can nel 2021 [10.1109/IECON48115.2021.9589507].

Modelling of Voltage Distribution within Hairpin Windings

Nuzzo S.;Barater D.;Buticchi G.;Gerada C.
2021-01-01

Abstract

This work discusses the modelling approach adopted for the estimation of the voltage distribution within hairpin windings of electrical machines. The physical phenomena and the major contributors to the occurrence of the uneven voltage distribution are first described. Then, the equivalent circuit used to predict the voltage distribution is presented in detail. The circuital parameters employed in the equivalent circuit are estimated via finite element electrostatic and electromagnetic analyses. Finally, a numerical tool is used to solve the differential equations describing the equivalent circuit above mentioned. Simulation results are illustrated and discussed. The phenomena under investigation are applied to a pre-defined reference system, consisting of slot motorettes.
47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021
can
2021
2021-
1
6
Preci, E.; Nuzzo, S.; Barater, D.; Gerada, D.; Degano, M.; Buticchi, G.; Gerada, C.
Modelling of Voltage Distribution within Hairpin Windings / Preci, E.; Nuzzo, S.; Barater, D.; Gerada, D.; Degano, M.; Buticchi, G.; Gerada, C.. - 2021-:(2021), pp. 1-6. ((Intervento presentato al convegno 47th Annual Conference of the IEEE Industrial Electronics Society, IECON 2021 tenutosi a can nel 2021 [10.1109/IECON48115.2021.9589507].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/1274397
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