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Re: paper: 4 CIM versus 6 CIM theoretical calculations
Electrical Power and Mechanical Power are not the same.
The Electrical Power into the a DC Motor is Volts x Amps (Watts)
The Mechanical Power Out is:
Power Out = Torque*(0.112985) * Speed * (2*pi/60) in Watts
Note: 1 lb-in = 0.112985 Nm, and radian/sec 2*pi/60 = rpm
The Motor Efficiency is
η=(Power Out) /( Power in)
At near free speed, the torque and Mechanical Power approach zero.
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