AC MotorsOBJECTIVESTERMINAL OBJECTIVE1.0 Given the type and application of an AC motor, DESCRIBE the operating characteristicsof that motor including methods of torque production and advantages of that type.ENABLING OBJECTIVES1.1DESCRIBE how a rotating magnetic field is produced in an AC motor.1.2DESCRIBE how torque is produced in an AC motor.1.3 Given field speed and rotor speed, CALCULATE percent slip in an AC motor.1.4EXPLAIN the relationship between speed and torque in an AC induction motor.1.5DESCRIBE how torque is produced in a single-phase AC motor.1.6EXPLAIN why an AC synchronous motor does not have starting torque.1.7DESCRIBE how an AC synchronous motor is started.1.8DESCRIBE the effects of over and under-exciting an AC synchronous motor.1.9STATE the applications of the following types of AC motors:a. Inductionb. Single-phasec. SynchronousRev. 0 Page v ES-12
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