Physics · Electromagnetism
Consider the following statements about the auxiliary motor starting method of a synchronous motor and select the correct combination: a. A three-phase induction motor is used as an auxiliary motor. b. An induction motor with two poles fewer than the synchronous motor is used as an auxiliary motor. c. The auxiliary motor brings the synchronous motor speed almost equal to its synchronous speed. d. The auxiliary motor starting method is used for loaded synchronous motors.
- 1Only a, b, and c are true✓
- 2Only a is true
- 3Only a, b, and d are true
- 4All a, b, c, and d are true
Correct answer
Only a, b, and c are true
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