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Methodical Approach for Designing Electric Propulsion Systems Containing Two Motors

Schier, Michael and Hubner, Markus and Kevlishvili, Nina and Dietz, Armin and Hörlin, Sebastian (2017) Methodical Approach for Designing Electric Propulsion Systems Containing Two Motors. EVER2017, 11.-13. Apr. 2017, Monaco.

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Abstract

To reduce the environmental impact of the petroleum-based transport, new safe, cost and energy optimized electric vehicle propulsion concepts are mandatory. Besides the activities for improving the battery and power electronics technologies, highly integrated units and new functional component operation strategies are of special interest. In this paper, a methodical approach for deriving electric motor design values for electric propulsion systems, especially usable for urban vehicles, including two electric machines, is shown. Considering the overall results a new highly integrated electric drive containing two different sized electric motors, two clutches and a compressor in one single unit is used as an example. The design led to a variety of functional motor modes presented in the paper. On upscaled measurement results, the efficiency tables for 50 kW and 10 kW PSM- and ASM–motors are used for a combined working strategy. Using the 10 kW motor on low torque and speed requests the traction energy demand of a urban vehicle could be reduced in the range up to 5% on several drive cycles.

Item URL in elib:https://elib.dlr.de/112092/
Document Type:Conference or Workshop Item (Speech)
Title:Methodical Approach for Designing Electric Propulsion Systems Containing Two Motors
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schier, Michaelmichael.schier (at) dlr.deUNSPECIFIED
Hubner, Markusmarkus.hubner (at) dlr.deUNSPECIFIED
Kevlishvili, NinaNina.Kevlishvili (at) dlr.deUNSPECIFIED
Dietz, ArminUniversity of applied sciences NurembergUNSPECIFIED
Hörlin, SebastianUniversity of applied sciences NurembergUNSPECIFIED
Date:12 April 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Energy, highly integrated drives, two in one motor concepts, next generation car, synchronous machine, asynchronous machine
Event Title:EVER2017
Event Location:Monaco
Event Type:international Conference
Event Dates:11.-13. Apr. 2017
Organizer:Monaco Sustainable Development
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - NGC-Energiemanagement (old)
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Vehicle Energy Concepts
Deposited By: Kevlishvili, Nina
Deposited On:10 May 2017 13:35
Last Modified:10 May 2017 13:35

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