Once the squirrel-cage rotor has accelerated to a point that it is operating at about ________ % of the synchronous speed

As the name implies, the start winding is only necessary for the starting of the single-phase AC induction motor.

Once the squirrel-cage rotor has accelerated to a point that it is operating at about ________ % of the synchronous speed of the _______________ stator electromagnetic field, the start winding can be disconnected from the motor supply circuit.

A) 75; rotating
B) none of the answers
C) 75; 75
D) rotating; rotating

Show Answer

Answer:A

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