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Q#1 Induction Machines GATE EE 2010 MCQ +2 marks -0.66 marks

A separately excited dc machine is coupled to a 50Hz, three-phase. 4-pole induction machine as shown in the figure. The dc machine is energized first and the machines rotate at 1600rpm. Subsequently the induction machine is also connected to a 50Hz, three-phase source, the phase sequence being consistent with the direction of rotation, in steady state.

Both machines act as generators.

The dc machine act as generators, and the induction machine acts as a motor

The dc machine act as motor, and the induction machine acts as a generator

Both machines act as motors.

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