Design of Shaped Electric Machine Windings to Reduce Ohmic Losses

Israel Luna Acevedo, Mohamed Osama, David Filusch, Hans Georg Herzog

Publikation: Beitrag in Buch/Bericht/KonferenzbandKonferenzbeitragBegutachtung

Abstract

This work focuses on ohmic loss analysis of permanent magnet synchronous machines with fractional-slot concentrated windings. A trend is followed from published research, where coils are produced with each turn having a distinct shape, enabled by unconventional winding manufacturing technology. The physical principles of power loss within stator windings are described, as it is the foundation to then analyze several shaped coils. These are studied using finite element analysis on two surface permanent magnet synchronous machines, having single and double-layer windings and both open and semi-closed slots. A trade-off is observed between the DC and AC loss for different slot filling factors as the frequency ranges. It is demonstrated how a one-dimensional model of conductors in a slot can be setup as an optimization problem that yields an improved solution for the individual conductor heights. In addition, a FEA-based algorithm is used to shape individual conductors of a coil in the active-winding to avoid regions within the slots that would be sources of high power loss. Overall, it is found that for higher filling factors, the combination of both shaping methods produced the best results on both machines.

OriginalspracheEnglisch
Titel2023 13th International Electric Drives Production Conference, EDPC 2023 - Proceedings
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
ISBN (elektronisch)9798350370492
DOIs
PublikationsstatusVeröffentlicht - 2023
Veranstaltung13th International Electric Drives Production Conference, EDPC 2023 - Hybrid, Regensburg, Deutschland
Dauer: 29 Nov. 202330 Nov. 2023

Publikationsreihe

Name2023 13th International Electric Drives Production Conference, EDPC 2023 - Proceedings

Konferenz

Konferenz13th International Electric Drives Production Conference, EDPC 2023
Land/GebietDeutschland
OrtHybrid, Regensburg
Zeitraum29/11/2330/11/23

Fingerprint

Untersuchen Sie die Forschungsthemen von „Design of Shaped Electric Machine Windings to Reduce Ohmic Losses“. Zusammen bilden sie einen einzigartigen Fingerprint.

Dieses zitieren