Question

Find the ampere turns required for the air gap of a 4pole, lap connected dc machine with the following data. No load voltage = 240V, air gap length = 0, pole pitch = 40cm, pole arc = 40cm, Carter's coefficient for slots and ducts = 1.2, armature conductors = 2500, speed = 400RPM, armature core length = 40cm

Answer 1

Answer:

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Answer 2

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