Q12
In a 3-phase, 4-pole, 50 Hz synchronous motor, the frequency, pole number and load torque all are halved. The motor speed will be
A.
3000 r.p.m.
B.
1500 r.p.m.
AnswerC.
750 r.p.m.
D.
none of the above
Answer: Option B
Solution
Answer: Option B
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