An iron ring of circular cross sectional area of 3 cm2 and mean diameter of 20 cm is wound with 500 turns of wire and carries a current of 2A to produce the magnetic flux of 0.5mWb in the ring. Determine the permeability of the material.
Synchronous Generator
In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.
Salient Pole Rotor
Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.
An iron ring of circular cross sectional area of 3 cm2 and mean diameter of 20 cm is wound with 500 turns of wire and carries a current of 2A to produce the magnetic flux of 0.5mWb in the ring. Determine the permeability of the material.
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