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Q#1 Synchronous Machines GATE EE 2004 MCQ +2 marks -0.66 marks

A 400V, 50 kVA, 0.8 pf leading Δ-connected, 50 Hz synchronous machine has a synchronous reactance of 2Ω and negligible armature resistance. The friction and windage losses are 2kW and the core loss is 0.8 kW. The shaft is supplying 9kW load at a power factor of 0.8 leading. The line current drawn is

12.29 A      

16.24 A

21.29 A              

36.88 A

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