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Electric vehicle motors and controllersImproved and advanced components being developed include electronically commutated permanent magnet motors of both drum and disk configuration, an unconventional brush commutated motor, and ac induction motors and various controllers. Test results on developmental motors, controllers, and combinations thereof indicate that efficiencies of 90% and higher for individual components, and 80% to 90% for motor/controller combinations can be obtained at rated power. The simplicity of the developmental motors and the potential for ultimately low cost electronics indicate that one or more of these approaches to electric vehicle propulsion may eventually displace presently used controllers and brush commutated dc motors.
Document ID
19810012752
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Secunde, R. R.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
September 4, 2013
Publication Date
January 1, 1981
Subject Category
Electronics And Electrical Engineering
Report/Patent Number
DOE/NASA/51044-18
E-823
NASA-TM-81760
Meeting Information
Meeting: Intern. Workshop on Rare Earth: Cobalt Magnets and their Applications
Location: Roanoke, VA
Country: United States
Start Date: June 7, 1981
End Date: June 10, 1981
Accession Number
81N21281
Funding Number(s)
CONTRACT_GRANT: DE-AI01-77CS-51044
PROJECT: RTOP 778-36-06
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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