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Choose the Induction motor with peak speed.(a) 10 Pole(b) 12 Pole(c) 14 Pole(d) 16 PoleThe question was asked in a national level competition.I'm obligated to ask this question of Induction Motors topic in division Braking of DC Motors & Induction Motors of Electric Drives

Answer»

Right OPTION is (a) 10 Pole

The explanation: Synchronous SPEED of Induction motor is Ns=120×f÷P. Ns∝(1÷P). The synchronous speed is inversely proportional to the pole. The maximum speed will be achieved with a MINIMUM NUMBER of poles.



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