Calculate the flux in a 4-pole dynamo with 722 armature conductors generating 500 V when running t 1000 r.p.m. when the armature is (a) lap connected (b) wave connected.

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Q: Reason for the change in the flux.

A: Since, the flux related to the system is directly proportional to the M.M.F. and inversely…

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Q: A DC generator has eight poles, wound as lap then rewound as a wave, calculate the electrical motive…

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Q: electromotive force created by a direct current generator is proportional to Flux/pole…

A: We need to tell about generated emf . We know direct formula for emf .

Winding and Constructions

Alternating Current (AC) winding is generally of the 3-phase type due to the inherent advantages of the 3-phase machine. Armature coils must be connected to the yield balance (equivalent in magnitude and 2/3 of the series phase difference of the rod) 3-phase electromotive forces (emf). The armature should be divided into step-bands to start with slots around the perimeter.In the construction of AC machines, the frame is used as an external protective shield to protect it from environmental conditions. The frame also serves as the outer perimeter, allowing the interior to be easily placed. The static state section of the devices is the stator winding attached stator.