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Question: c a 45 kw output 400v 3phase 4 pole ac...

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(c) A 45 kW output 400v 3-phase 4 pole a.c. motor operates at 0.6 lagging power factor and an efficiency of 90% and a per unit slip of 0.03. 0) Calculate Synchronous Speed (Ns) and Rotor Speed (Nr) in rp.m. (4 marks) (i) Calculate the full load kVA of the motor and the line current (l) (5 marks)

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