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A 2.5 v 600 a mosfet-based DC traction motor
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Electronics Design.
2019 (English)In: Proceedings of the IEEE International Conference on Industrial Technology, Institute of Electrical and Electronics Engineers (IEEE), 2019, p. 213-218, article id 8755146Conference paper, Published paper (Refereed)
Abstract [en]

A high copper fill factor allows reducing the resistive losses responsible for more than 50 % of the losses in today's most commonly used electrical motors. Single-turn windings achieve a copper fill factor close to one. Furthermore, they do not suffer from turn to turn faults and provide a low thermal resistance between winding and stator. The reduced EMF of single-turn winding configurations promotes the use of extra-low voltage high current MOSFETs. Rapid development of these MOSFETs allows reversing common design principles to explore new applications, such as battery electric traction drives. This paper presents a 2.5 V 1 kW MOSFET driven 13-phase permanent magnet DC motor with a single-turn winding configuration. The motor prototype with a copper fill factor of 0.84 was tested with continuous drive currents up to 600 A. The measured torque-efficiency map shows that such a high-current concept with voltages below 60 V is feasible using today's extremely low-voltage high current semiconductors. Due to the rapid development of such switches, there is great potential in this concept for further improvements. This work presents a small-scale version of the high-current drive, which is part of the development of an extra-low voltage traction drive concept. 

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2019. p. 213-218, article id 8755146
Keywords [en]
Brushless DC motor, High-current, Low-voltage, MOSFET, SELV, Single-turn winding, Traction drive
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-36837DOI: 10.1109/ICIT.2019.8755146Scopus ID: 2-s2.0-85069037482ISBN: 9781538663769 (print)OAI: oai:DiVA.org:miun-36837DiVA, id: diva2:1342198
Conference
2019 IEEE International Conference on Industrial Technology, ICIT 2019; Melbourne Convention and Exhibition Centre, Melbourne, Australia, 13 February 2019 through 15 February 2019
Available from: 2019-08-13 Created: 2019-08-13 Last updated: 2019-08-13Bibliographically approved
In thesis
1. MOSFET enabled low-voltage high-current DC traction drive: a pioneering concept for battery electric vehicles
Open this publication in new window or tab >>MOSFET enabled low-voltage high-current DC traction drive: a pioneering concept for battery electric vehicles
2019 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mid Sweden University, 2019. p. 48
Series
Mid Sweden University licentiate thesis, ISSN 1652-8948 ; 153
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-36840 (URN)978-91-88527-90-5 (ISBN)
Presentation
2019-06-17, O102, Sundsvall, 14:00 (English)
Supervisors
Projects
SMART (Smarta system och tjänster för ett effektivt och innovativt samhälle)
Available from: 2019-08-13 Created: 2019-08-13 Last updated: 2019-09-09Bibliographically approved

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Haller, StefanCheng, PengOelmann, Bengt

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