Generator Size to Start Motors. Instructions: You only need to fill in the columns colored in orange. Fill in the HP of the motor's) in their starting sequence, select the start method (Direct On Line or Star Delta) and press Evaluate.

Dec 19, 2019 · 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.

Dec 19, 2019 · 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.

How to Convert Horsepower (metric) to Kilowatt. 1 horsepower (metric) = 0.73549875 kW 1 kW = 1.3596216173 horsepower (metric) Example: convert 15 horsepower (metric) to kW: 15 horsepower (metric) = 15 × 0.73549875 kW = 11.03248125 kW. Popular Power Unit Conversions I can't seem to make the numbers come out converting the HP formula (ft-lb x rpm/5252) to KW (N-m x rpm/9549). If I substitute .746kw for hp and N-m/.74 for ft- KW to HP Formula Conversion - Electric motors & generators engineering - Eng-Tips