How to find synchronous motor speed formula

Ns=120f/P
?....

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How to find synchronous motor speed formula Ns=120f/P ?......

Answer / k.prakashchandra

The formula for f is P/2( one cycle) x N/ 60( rps),f =NP/120
,hence N=120f/P ,where N is rpm.

Is This Answer Correct ?    23 Yes 7 No

How to find synchronous motor speed formula Ns=120f/P ?......

Answer / k.prakashchandra

What is Ns ? Is the formula required correct if Ns is rps ?

Is This Answer Correct ?    12 Yes 7 No

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