Physics · Electrical Machines
Which of the following statements is true regarding the rotor mmf and stator mmf in a synchronous motor during normal operation?
- 1The rotor mmf and stator mmf rotate in opposite directions.
- 2Rotor mmf rotates slightly faster in comparison to stator mmf.
- 3The rotor mmf and stator mmf are stationary with respect to each other.✓
- 4Stator mmf rotates slightly faster in comparison to rotor mmf.
Correct answer
The rotor mmf and stator mmf are stationary with respect to each other.
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