NEED IN RUSH a. The relationship between torque (T) produced by a DC motor and speed (n) at a constant armature voltage of 12V is T = -0.5.n + 200 where n is . Based on this relationship, the maximum motor power is: * b. The relationship between torque (T) produced by a DC motor and speed (n) at a constant 12V armature voltage is T = -0.5.n + 300 where n is . Based on this relationship the maximum motor power occurs at the rotating speed:

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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.