1.

In the design of electromagnetic devices, the maximum value of MMF is limited from the considerations of ____________(a) temperature rise(b) limitation on flux density in teeth(c) torque production rise(d) power ratingI have been asked this question in an interview.I need to ask this question from Production of Torque in Non-Salient Pole Machines in section Synchronous Machines of Electrical Machines

Answer»

Right answer is (a) TEMPERATURE RISE

The EXPLANATION is: The maximum value of MMF is limited from a consideration of temperature rise.



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