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  • 1
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    Summary of electric vehicle dc motor-controller tests (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The differences in the performance of dc motors are evaluated when operating with chopper type controllers, and when operating on direct current. The interactions between the motor and the controller which cause these differences are investigated. Motor-controlled tests provided some of the data the quantified motor efficiency variations for both ripple free and chopper modes of operation.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: NASA-TM-82863 , E-1232 , DOE/NASA/51044-28 , NAS 1.15:82863
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Baseline tests of the Volkswagen transporter electric delivery van (1978)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The Volkswagen Transporter, an electric delivery van, was tested as part of an Energy Research and Development Administration (ERDA) project to characterize the state of the art of electric vehicles. The Volkswagen Transporter is a standard Volkswagen van that has been converted to an electric vehicle. It is powered by a 144-volt traction battery. A direct current (dc) chopper controller, actuated by a conventional accelerator pedal, regulates the voltage or power applied to the 16-kilowatt (21-hp) motor. The braking system uses conventional hydraulic braking in combination with an electric regenerative braking system. The Volkswagen vehicle performance test results are presented.
    Keywords: URBAN TECHNOLOGY AND TRANSPORTATION
    Type: NASA-TM-73766 , CONS/1011-11 , E-9506
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Baseline tests of the C. H. Waterman Renault 5 electric passenger vehicle (1977)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The Waterman vehicle, a four passenger Renault 5 GTL, performance test results are presented and characterized the state-of-the-art of electric vehicles. It was powered by sixteen 6-volt traction batteries through a two-step contactor controller actuated by a foot throttle to change the voltage applied to the 6.7 -kilowatt motor. The motor output shaft was connected to a front-wheel-drive transaxle that contains a four-speed manual transmission and clutch. The braking system was a conventional hydraulic braking system.
    Keywords: URBAN TECHNOLOGY AND TRANSPORTATION
    Type: NASA-TM-73759 , E-9434 , CONS/1011-4
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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