NDLI: Drivetrain architectures and their impact on the choice of the electrical machine

Content Provider	IEEE Xplore Digital Library
Author	Mathoy, A.
Copyright Year	2011
Description	Author affiliation: BRUSA ELEKTRONIK AG, Neudorf 14 9466 Sennwald, Switzerland (Mathoy, A.)
Abstract	Hybridization of passenger vehicles is about to become a significant business among carmakers and suppliers. This will start in a couple of months in the premium class and will arrive, step by step, in the high volume classes. This process is often referred to as the migration of electric drives in cars. However, a paradigm change from hybrid to electric cars is not achievable by the technology used in hybrid cars. This is due to the significant difference between electric drives when working jointly with combustion engines and drives in purely electric driven cars. Although electric drives are very often associated with battery EV´s, it just refers to the fact that there is no other mechanical propulsion but an electric machine. The global efficiency now becomes an economic factor, because any energy conversion into mechanic power is now electric. But even more important is the drag loss of the free-wheeling motor, because any loss in this condition will be integrated along the drive path. Hence the specification of an electric machine in a main drive is totally different from the packaging driven torque per volume specification of a hybrid motor. Due to the absence of clutches and shift gears, a permanent form closed connection between the electric machine and the drive axle(s) is provided. Safety standards require that there is no unexpected braking and no unintentional torque provided even under fault conditions in any component of the electric or electronic power conversion system. It will be shown that this also implies intrinsic safety properties of the electric machine, which is not provided by most of the designs which are currently used in hybrid cars. The lecture presentation deals with the intrinsic limitations and safety properties of different electric machines and how this can be influenced by the magnetic design. The consequences on the road will be explained by a simple system integration example.
Starting Page	1
Ending Page	1
File Size	87401
Page Count	1
File Format	PDF
ISBN	9781612841670
e-ISBN	9789075815146
e-ISBN	9789075815153
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-30
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	EPE ASSOCIATION
Subject Keyword	Economics Torque Electric machines Hybrid Electric Vehicle Electric Vehicle Electrical Machine Combustion Safety Hybrid electric vehicles System Integration Electrical Drive Magnetic properties
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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