• DocumentCode
    1417377
  • Title

    A method for determining the efficiencies of small motors

  • Author

    Lof, John L. C.

  • Author_Institution
    University of Denver; Massachusetts Institute of Technology, Cambridge
  • Volume
    58
  • Issue
    8
  • fYear
    1939
  • Firstpage
    339
  • Lastpage
    340
  • Abstract
    FRACTIONAL-HORSEPOWER motors have been developed for many uses which cause their characteristics to differ widely from larger motors. Usually they are designed for constant-load operation, but some are made to have large starting torques and others to run at constant speed. Naturally these motors have a much smaller efficiency than the larger ones, and the methods used for determining the efficiency of the larger motors are not practical for the small ones.
  • Keywords
    Friction; Heating; Magnetic fields; Shafts; Temperature measurement; Torque; Torque measurement;
  • fLanguage
    English
  • Journal_Title
    Electrical Engineering
  • Publisher
    ieee
  • ISSN
    0095-9197
  • Type

    jour

  • DOI
    10.1109/EE.1939.6431455
  • Filename
    6431455
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1417377