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Q#1 Induction Machines GATE EE 2012 MCQ +2 marks -0.66 marks

The locked rotor current in a 3-phase, star connected 15kW, 4-pole, 230V, 50Hz induction motor at rated conditions is 50A. Neglecting losses and magnetizing current, the approximate blocked rotor line current drawn when the motor is connected to a 236V, 57Hz supply is

58.5A

45.0A

42.7A

55.6A

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