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- 26th January 2009, 06:58 #1

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## relation between frequency and rpm

what is the relationship between the frequency of rotation and frequency of the current produced in an ac generator,

- 26th January 2009, 06:58

- 26th January 2009, 16:24 #2

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## relation between rpm and frequency

mehboob_iiui,

Frequency (In Hz) = 2 X RPM/[60 X (Number of Poles)]

For example, a 2-pole generator rotating @ 3600 RPM gives 60 Hz

Regards,

Kral

Added after 18 minutes:

Sorry, I got the equation wrong. The correct equation is:

.

F = (Number of Poles)] X RPM/[120).

regards,

Kral

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