11AC Motors and Generators

OBJECTIVES: After studying this chapter, you will be able to

  • Describe the way most AC motors work
  • Explain the difference between various AC motors
  • Define what a rotating magnetic field is
  • Recognize the difference between an AC motor and a DC motor
  • Understand that AC motors and AC generators have the same structure
  • Explain synchronous speed of an AC machine and understand various standard synchronous speeds
  • Associate synchronous speeds with frequency
  • Formulate power and other relationships for AC motors
  • Understand the difference between single- and three-phase motors
  • Calculate current for motors in order to select fuses
  • Understand and apply relationships for power correction to motors
  • Judge if a motor and a generator ...

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