DC motor is shunt excited. It has a rated voltage VT, rated out put power Pout and rated speed Nout. It draws armature current IA and field current IF. The wave-wound armature has p poles and z conductors and 0.1 W resistance. The total voltage drop across both brushes is 2.0 V The parameters for the motor are VT=230 V IA=55A IF=1.0 A p=4 Z=540 NOUT=1000 RPM POUT= 11200 W a) what is the armature torque b)what is the output torque c) what is the flux per pole d)what are the copper losses e) what are the rotational losses f)what is the efficiency

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A DC motor is shunt excited. It has a rated voltage VT, rated out put power Pout and rated speed Nout. It draws armature current IA and field current IF. The wave-wound armature has p poles and z conductors and 0.1 W resistance. The total voltage drop across both brushes is 2.0 V

The parameters for the motor are

VT=230 V

IA=55A

IF=1.0 A

p=4

Z=540

NOUT=1000 RPM

POUT= 11200 W

a) what is the armature torque

b)what is the output torque

c) what is the flux per pole

d)what are the copper losses

e) what are the rotational losses

f)what is the efficiency

..

 

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