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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Introducing a 150 kW (200 hp) Permanent Magnet Propulsion System Achieving 1 hp/lb

UQM Technologies, Inc., 7501 Miller Drive, Frederick, CO 80530
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World Electr. Veh. J. 2008, 2(2), 101-106; https://doi.org/10.3390/wevj2020101
Published: 27 June 2008
PDF [1675 KB, uploaded 18 May 2018]

Abstract

UQM Technologies, a developer and manufacturer of electric propulsion systems, has recently introduced a 150 kW (200 hp) system for use in high performance applications, achieving 1 hp/lb power density. This system is an upgrade of a 100 kW system that has been available for the last ten years. The upgrade was driven by both customer requests for higher power systems and the development of new technologies. The additional 50% output is being made available without any additional size or weight to the system. The key enabling technologies are the armature winding and commutation method, the combination of which has created the majority of the torque and power improvement. Other features have been introduced with this system, including control mode versatility (torque/speed/voltage control on-the-fly), improved safety features and failure modes, and a new graphical user interface (GUI). Extensive performance testing was completed during the spring and summer of 2007, with the results published for all electrified vehicle manufacturers to evaluate against their needs. UQM’s next steps are to complete the acquisition and installation of production equipment and tooling to bring down the price of this system (and other UQM systems) as volumes increase.
Keywords: Electric Drive; Permanent Magnet Motor; Drive System; Propulsion Electric Drive; Permanent Magnet Motor; Drive System; Propulsion
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Lutz, J.F.; Kopf, C. Introducing a 150 kW (200 hp) Permanent Magnet Propulsion System Achieving 1 hp/lb. World Electr. Veh. J. 2008, 2, 101-106.

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