12. The armature and the field magnets of an electrical machine are shown. The air-gap between...

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12. The armature and the field magnets of an electrical machine are shown. The air-gap between the poles and the armature is kept as 10 mm. The pole area is 0.1 m² and the flux per pole is 0.15 Wb. Calculate the mechanical force exerted by each pole on the armature. Also calculate the energy stored in the air gaps. Pole Armature Pole -Air-gap (Ans: F = 89523 N, W = 1655.3 J) 12. The armature and the field magnets of an electrical machine are shown. The air-gap between the poles and the armature is kept as 10 mm. The pole area is 0.1 m² and the flux per pole is 0.15 Wb. Calculate the mechanical force exerted by each pole on the armature. Also calculate the energy stored in the air gaps. Pole Armature Pole -Air-gap (Ans: F = 89523 N, W = 1655.3 J)

Answer rating: 100% (QA)

Answer The energy stored in the air gap is given by W12B2Ag import m... View the full answer