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If the frequency of 3-phase supply to the stator of 3-phase induction motor is increased, then synchronous speed is ________? Why ?
Ans:------ Increased
Explanation: As we know that; f = NSP/ 120
It is clear that f
∝
NS i.e., frequency (f) is directly proportional to the Synchronous speed (NS).
In more clear words, when frequency increases, Speed also increases.
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