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Ns=120f/p. what is 120?

Answer Posted / shriram.n

speed=2*60f/p
where
2=?
60=min.
f=frequency
p=pole

we can find speed of motor through below fprmula also
i.e
speed=60f/p
where
60=min.
f=frequency
p=pairs of poles.

example
s=120*50/4=1500rpm

like s=60*50/2(4pole have 2 pairs)=1500rpm

Is This Answer Correct ?    17 Yes 15 No



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