A DC machine has 2 poles on the stator, the armature winding has 20 coils and 8 turns per coil. The armature radius r 12.5cm, armature length 1 25cm. The poles cover 80% of the armature while the average magnetic flux density per pole is 0.9T. Determine (a) what is total flux per pole (b) For lap-wound and wave-wound machines, what are the armature constants respectively

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A DC machine has 2 poles on the stator, the armature winding has 20 coils and 8
turns per coil. The armature radius r 12.5cm, armature length I 25cm. The poles cover
80% of the armature while the average magnetic flux density per pole is 0.9T. Determine
(a) what is total flux per pole
(b) For lap-wound and wave-wound machines, what are the armature constants
respectively
%3D
Transcribed Image Text:A DC machine has 2 poles on the stator, the armature winding has 20 coils and 8 turns per coil. The armature radius r 12.5cm, armature length I 25cm. The poles cover 80% of the armature while the average magnetic flux density per pole is 0.9T. Determine (a) what is total flux per pole (b) For lap-wound and wave-wound machines, what are the armature constants respectively %3D
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