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Question: btmc3513 electrical machines q a a ferromagnetic core with a...

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BTMC3513 ELECTRICAL MACHINES Q. a) A ferromagnetic core with a thickness of 2 cm with dimensions of the core as shown in Figure Q1. The supply current, Lis LA and number of turns of coil, N is 1000 turns. Assume that the ferromagnetie core has permeability of 1600 i) Sketch and label the equivalent magnetic circuit representing the structure. (4 m ii) Compute the magnetomotive force ii) Calculate the total reluctance. iv) Calculate the total magnetic flux arks) (3 marks) (7 marks) (3 marks) b) Magnetic fields are the fundamental mechanism by which energy is converted from one (8 marks) form to another in motors, generators and transformer. Describe how basic magnetic fields are used in these devices 1 cm 2 cm 2 cm 4 cm 2 cm Figure QI [Total: 25 marks)

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