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how to calculate induction motor rating (HP) if name plate
is missing from motor at site condition ?

Answer Posted / senthil kumar.i

while name plate is missing,

first we are taken the details from the motor bellow
1. torque
2. Motor Rpm.

sutitute the given formula.

BHP = 2*3.14*T.N / 60 * 746

where T is torque and N is motor Rpm.
torque unit is nm.
we can get the Missed name plate motor HP.

Is This Answer Correct ?    46 Yes 28 No



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