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Power input to an induction motor is given by _________(a) 3VpIpcosΦ(b) 2VpIpcosΦ(c) VpIpcosΦ(d) 5VpIpcosΦThis question was addressed to me by my school teacher while I was bunking the class.Query is from Induction Motors in division Braking of DC Motors & Induction Motors of Electric Drives

Answer»

Correct CHOICE is (a) 3VpIpcosΦ

Best explanation: Power INPUT to a 3-Φ INDUCTION motor is 3VpIpcosΦ. The power remains the same for Delta and star CONNECTION. The power is CONSTANT and has no vibrations.



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