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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Winding and Constructions

Alternating Current (AC) winding is generally of the 3-phase type due to the inherent advantages of the 3-phase machine. Armature coils must be connected to the yield balance (equivalent in magnitude and 2/3 of the series phase difference of the rod) 3-phase electromotive forces (emf). The armature should be divided into step-bands to start with slots around the perimeter.In the construction of AC machines, the frame is used as an external protective shield to protect it from environmental conditions. The frame also serves as the outer perimeter, allowing the interior to be easily placed. The static state section of the devices is the stator winding attached stator.