Q3/ A 420 V , four poles, 25 Kw DC generator has a wave-connected armature winding 846 conductors. The mean flux density in the air-gap under the interpoles is 0.5 Wb/m2 on full load and the radial...

Extracted text: Q3/ A 420 V , four poles, 25 Kw DC generator has a wave-connected armature winding 846 conductors. The mean flux density in the air-gap under the interpoles is 0.5 Wb/m2 on full load and the radial gap length is 0.4 cm. calculate the number of turns required on each inter pole.