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how to calculate the speed of a induction motor without
using tacho meter?

Answer Posted / thomas dsouza

The speed is given by the formula N=(120xf)/P where f is
the frequency say 50hz or 60hz and P is the no of poles.

A 4 pole motor shall be running at a speed of =(120x50)/4
that is 1500 rpm.

Is This Answer Correct ?    23 Yes 8 No



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