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8 lut 2024 · Using the formula (V * I * Eff)/746=HP, determine your electric motor’s horsepower. Multiply the voltage, the current, and the efficiency, then divide the result by 746. For example, the horsepower of a 230v motor pulling 4 amps and having 82% efficiency would equal 1 horsepower.
Use formulas in this chart to calculate amperes (amps), horsepower (HP), kilowatts (kW), and kilovolt-amps (kVA) for Direct Current (DC), Single Phase AC, and Three Phase AC Motors.
How do you calculate electrical horsepower? To find the electric horsepower of a motor, use the equation: Horsepower = (Volts x Amps) / 745.7. (does not take efficiency into consideration) Example: The electric horsepower of a motor with 120 volts. and 10 amps is: HP = (120 x 10) / 745.7.
The calculators below can be used to calculate electric motor amps, horsepower and 3-phase kVa. Calculate Current (amps)
Motor Horsepower Calculator. Electric motors convert electrical energy to mechanical energy output in the form of shaft rotation. This mechanical output can be calculated using: Where: Pout: Output power (horsepower) T=Torque (lb-ft) N=Rotational Speed (revolutions per minute) The electric power input for single-phase electric motors can be ...
12 cze 2017 · If the motor is fully loaded, it will provide output power of 1 HP = (1 X 0.746) kW = 0.746kW. Electrical Input Power = (Output Power/Efficiency). Assuming 90% efficiency, Input Power = 0.746/0.9 = 0.83kW.
This article explains how to calculate the horsepower of an electric motor if we know its wattage or current draw in amps. The article gives a simple formulat to convert electrical amps to horsepower and explains what data are actually needed to make an accurate horsepower calculation or rating.
