Calculating the power output of a variable speed fan

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Just looking for some help with this,

I have an axial flow fan connected to a variable speed drive set to 50hz, what I need to know is how to calculate the power output of the fan at any given frequency between 0 - 50hz.

Details of the fan are as follows:

3phase 400v

P=2900W
I= 4.9A
n= 1350min-1

Replies

  • maraitamilan
    maraitamilan
    FOR Calculating output power P=V*I*(sq.rt of 3)*efficiency*power factor

    i think am correct sorry if am wrong😉

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