Learn how to convert Electric Motor Hp to Amps - Tutorial

How to convert Electric Motor Hp to Amps - Definition, Formula and Example

This tutorial explains you how to convert electric motor from horse power(hp) to ampere(amps).

Formula:
Ph.Amps = (746 x hp) / (V x E.F x P.F) FLA = Ph.Amps x 1.25 3 Ph.Amps = (746 x hp) / (1.732 x V x E.F x P.F ) 3 FLA = (3 Ph.Amps) x 1.25 where, V - Volts, E.F - Efficiency, P.F - Power factor, FLA - Full Load Amps
Example:

Horse power produced by an electrical motor is '4', its rate of efficiency is 89 % (0.89) and it generates voltage exactly 40 volts. The factor utilized in calculating the power is '34 %'. How to transform the horse power of the Electric Motor to Ampere?

Given,

Horse Power = 4 Efficiency = 89 % (0.89) Power factor = 34 % Voltage = 40 volts

To Find,

Conversion of Electric Motor Hp to Amps

Solution:

Substitute the given values in the formula, 1 Ph.Amps = ((( (746 / hp) / V ) / E.F ) / P.F ) 1 Ph.Amps = ((( (746 / 4) / 40 ) / 0.89 ) / 0.34 ) => 247(A) 1.FLA = ( (1 Ph.Amps) x 1.25 ) 1.FLA = ( (1 Ph.Amps) x 1.25 ) => 309 3 Ph.Amps = (((( (746 / hp) / 1.732 ) / V ) / E.F ) / P.F ) 3 Ph.Amps = (((( (746 / 4)/1.732 ) / 40 ) / 0.89 ) / 0.34 ) => 142(A) 3.FLA = ( (3 Ph.Amps) x 1.25 ) 3.FLA = ( 142 x 1.25 ) => 178(A)

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