What is the frequency produced by a 4-pole generator rotating at 1800 r/min?

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lemjay | High School Teacher | (Level 3) Senior Educator

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To solve, apply the formula of the frequency for ac generator which is:



f - frequency of generator
N - number of revolutions per minute
S - number of poles

So, plug-in P=4 and N=1800 to the formula.


`f=60 Hz`

Hence, the frequency of 4-pole generator with a speed of 1800 rev/min is 60 Hz.

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