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What can be found out using the output equation of the DC machine?

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What can be found out using the output equation of the DC machine?

(a) main dimensions

(b) angle of rotation

(c) losses

(d) efficiency

This question was addressed to me in final exam.

The question is from Design of Output Equations topic in section Thermal Design Aspects of Electrical Machines & D.C of Design of Electrical Machines

1 Answer

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Right answer is (a) main dimensions

For explanation I would say: The output equation of DC machine is mainly used to obtain the main dimensions of the machine. Main dimensions are very important in calculation of various factors related to the machine.

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