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Does anyone familiar with this equation?

Acceleration resistance,

= {(load MOI/mech. efficiency) + (motor MOI) x rpm^2} / {3.65 x 10^5 x acceleration time}

= {(kgm^2/ƞ) + (kgm^2) x rpm^2} / {3.65 x 10^5 x second}

= final value unit is in kilowatt (kW)

It used to calculate the acceleration power for trolley and gantry in crane design. I am looking for the origin/principal of this equation... thanks guys

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# Acceleration resistance in crane design

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