Question: A 8 pole lap wound DC generator has 70 slots in its armature with 22 conductors per slot. The ratio of pole are to

A 8 pole lap wound DC generator has 70 slots in its

A 8 pole lap wound DC generator has 70 slots in its armature with 22 conductors per slot. The ratio of pole are to pole pitch is 0.64. The diameter of the bore of the pole shoe is 0.48m. The length of the pole shoe is 0.28m. The air gap flux density is 0.32Wb/m & the generated emf in the armature is 400V. Find the speed of generator. Ans. 1442

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