The synchronous speed of an 8 pole induction motor supplied power from a 50 Hz source will be ?

The synchronous speed of an 8 pole induction motor supplied power from a 50 Hz source will be ?
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2 Answers

Answer :

750 rpm. As Ns = 120f/P

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Answer :

Ns         equals        f/pair pole

50/4      - 12.5
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