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Investigation of winding schemes by slot-based high-frequency modelling of a hairpin winding stator

Scheuermann, S. ORCID iD icon 1; Doppelbauer, M. 1; Hagemann, B.; Jarosz, A.; Hoffmann, F. 1
1 Elektrotechnisches Institut (ETI), Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

The winding insulation system of inverter-fed electrical machines is exposed to electrical stress due to unpredictable transient overvoltages. The voltages in the μs range happen with fast switching inverters and high DC link voltages. These high-frequency voltage overshoots can cause partial discharges and further lead to severe damage to the machines’ insulation systems, bearings which result in a reduction of their lifetime. In the present study, a high frequency hairpin stator lumped parameter model in a slot-based domain was developed and the influence of a winding scheme on such overvoltages was investigated. The parameters for the model have been calculated analytically or were derived from impedance measurements. The generation of simulation models with different winding schemes was automated and a beneficial winding scheme was determined.

Postprint §
DOI: 10.5445/IR/1000151116
Veröffentlicht am 22.06.2023
DOI: 10.1049/icp.2022.1103
Zitationen: 1
Cover der Publikation
Zugehörige Institution(en) am KIT Elektrotechnisches Institut (ETI)
Publikationstyp Proceedingsbeitrag
Publikationsdatum 21.06.2022
Sprache Englisch
Identifikator ISBN: 978-1-83953-718-9
KITopen-ID: 1000151116
Erschienen in 11th International Conference on Power Electronics, Machines and Drives (PEMD 2022), Hybrid Conference, Newcastle, UK, 21-23 June 2022
Veranstaltung 11th International Conference on Power Electronics, Machines and Drives (PEMD 2022), Newcastle, Vereinigtes Königreich, 21.06.2022 – 23.06.2022
Verlag Institution of Engineering and Technology (IET)
Seiten 520–525
Nachgewiesen in Dimensions
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