GATE EE 2015 Set 2 — Question 33

MCQ+1 / -0.33MediumConstruction & TypesDC MachinesElectrical Machines

Electrical Machines → DC Machines → Construction & Types

Last updated 5 September 2026

Question

A 4-pole, separately excited, wave wound DC machine with negligible armature resistance is rated for 230 V and 5 kW at a speed of 1200 rpm. If the same armature coils are reconnected to form a lap winding, what is the rated voltage (in volts) and power (in kW) respectively at 1200 rpm of the reconnected machine if the field circuit is left unchanged?

E = \frac{\Phi Z N P}{60 A}

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E = \frac{\Phi Z N P}{60 A}

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