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Eddy Current Losses in a Hairpin Winding for an Automotive Application
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.
KTH, School of Electrical Engineering and Computer Science (EECS), Electric Power and Energy Systems.ORCID iD: 0000-0002-6283-7661
2018 (English)In: Proceedings - 2018 23rd International Conference on Electrical Machines, ICEM 2018, Institute of Electrical and Electronics Engineers Inc. , 2018, p. 710-716Conference paper, Published paper (Refereed)
Abstract [en]

It is well known that the effect of eddy current loss increases with a greater cross-sectional area of a wire exposed to a time-varying magnetic field. When using hairpin windings instead of conventional windings, the cross-sectional area of the strands is increased. However, conductors inside a slot are exposed to several simultaneous sources of time-varying magnetic fields that induce eddy currents. The aim of this paper is to study the non-uniform current distributions and the origin of the eddy current losses in such strands, considering typical dimensions and frequencies that are found in an electrical machine for an automotive application.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2018. p. 710-716
Keywords [en]
Automotive, Eddy current, Electric vehicle, Flat wire, Hairpin winding, Proximity effect, Skin effect, Electric machinery, Electric vehicles, Electric windings, Magnetic fields, Winding, Automotive applications, Cross sectional area, Hairpin windings, Nonuniform current distributions, Proximity effects, Simultaneous sources, Time-varying magnetic fields, Eddy currents
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-247115DOI: 10.1109/ICELMACH.2018.8507265Scopus ID: 2-s2.0-85057206777ISBN: 9781538624777 (print)OAI: oai:DiVA.org:kth-247115DiVA, id: diva2:1301935
Conference
23rd International Conference on Electrical Machines, ICEM 2018, 3 September 2018 through 6 September 2018
Note

QC 20190403

Available from: 2019-04-03 Created: 2019-04-03 Last updated: 2019-04-03Bibliographically approved

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