A four-pole dc machine has a simplex-wave winding of 250 turns. The flux per pole is...

A four-pole dc machine has a simplex-wave winding of 250 turns. The flux per pole is 0.7 T. The armature radius is 15 cm and effective conductor length is 20 cm. The pole covers 80 % of the armature periphery. The machine rotates at 1000 rpm.
1. Determine the machine constant (see sec. 4.2.4 of the text book).

2. Determine the generated voltage.

3. Determine the kW rating if the rated current through a single-turn is 120 A.

4. The machine developed torque

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