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ac propulsion system for an electric vehicleIt is pointed out that dc drives will be the logical choice for current production electric vehicles (EV). However, by the mid-80's, there is a good chance that the price and reliability of suitable high-power semiconductors will allow for a competitive ac system. The driving force behind the ac approach is the induction motor, which has specific advantages relative to a dc shunt or series traction motor. These advantages would be an important factor in the case of a vehicle for which low maintenance characteristics are of primary importance. A description of an EV ac propulsion system is provided, taking into account the logic controller, the inverter, the motor, and a two-speed transmission-differential-axle assembly. The main barrier to the employment of the considered propulsion system in EV is not any technical problem, but inverter transistor cost.
Document ID
19810057519
Document Type
Conference Paper
Authors
Geppert, S. (Eaton Engineering and Research Center Southfield, MI, United States)
Date Acquired
August 11, 2013
Publication Date
September 1, 1980
Subject Category
URBAN TECHNOLOGY AND TRANSPORTATION
Funding Number(s)
CONTRACT_GRANT: DEN3-125
Distribution Limits
Public
Copyright
Other