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Electricity: Principles and Applications, Sixth Edition Student Web Site

Chapter Resources: Chapter Assignments
Chapter 14 - Electric Motors

  1. As available energy becomes more difficult and expensive to obtain, the efficiency of
    electrical devices such as motors becomes more important. Write a paper on electric
    motor efficiency which deals with such questions as:

    1. relationship between efficiency and original cost
    2. relationships between energy cost, motor efficiency, original cost, etc
    3. importance of motor size and load

    These links may be a good starting place to gather information:

    http://www.enn.com/news/wire-stories/2002/09/09122002/ap_48408.asp
    http://www.oit.doe.gov/bestpractices/motors/

    http://www.oit.doe.gov/bestpractices/motors/factsheets/10097517.pdf
    http://www.electrolink.co.nz/CC256A1C0073A9F5/DCB530D95C0C8EBFCC25692800
    12C8A6/3059DAA894CD6C68CC256A1C0082CE90!Open

    http://www.eren.doe.gov/femp/procurement/pdfs/motor.pdf



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