Calculating Wattage Rating for Generator to Power Electric Motor

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To power an electric motor with a voltage of 72-144VDC and a continuous current of 190A, the maximum electrical output is calculated to be 27.36 kW. Considering an efficiency of 85%, the required input power for the generator would be approximately 32.2 kW. This input power aligns closely with the motor's continuous rating of 43.7 HP. Therefore, a generator rated around 32.2 kW would be suitable for this application. Proper calculations ensure compatibility between the generator and motor specifications.
Grabowski
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What would be the wattage ratting for a gas/diesel generator to power an electric motor with these specs.

72-144VDC
190A Continuous
43.7HP Continuous

Thanks
 
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Well the maximum electrical output is : 144 x 190 = 27.36 kW

Assumming 85% efficiency the required input power would be 27.36/0.85 = 32.2 kW

Which (no surprise) is approximately equal to 43.7 HP as given.
 
thank you
 
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