Derive an expression for electromagnetic torque developed

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Reference no: EM131265945

A P-pole machine has a sinusoidal field distribution as shown in Fig. P5.38. The armature carries a uniform current sheet of value J A/m causing a triangular mmf distribution as shown in the figure.

The machine has an axial length of l and a mean air-gap diameter of D.

(a) Find the peak value of the armature mmf.

(b) Derive an expression for the electromagnetic torque developed.

Reference no: EM131265945

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