GATE Papers >> EEE >> 2010 >> Question No 40

Question No. 40 EEE | GATE 2010

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 1600 rpm. Subsequently the induction machine is also connected to a 50 Hz, three-phase source, the phase squence being consistent with the direction of rotation. In steady state,


Answer : (C) The dc machine acts as a motor, and the induction machine acts as a generator


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