Question: A 4 6 0 - V , 7 5 hp , four - pole, Y - connected induction motor has the following parameters: R 1

A 460-V,75 hp, four-pole, Y-connected induction motor has the following parameters: R1=0.058, R2=0.037, XM =9.24, X1=0.320, X2=0.386, PF&W =650W, Pmisc =150W, Pcore=600kW. For a slip of 0.01, find: a) The line current IL b) The stator power factor c) The rotor power factor d) The rotor frequency e) The stator copper losses PSCL f) The air-gap power PAG g) The power converted from electrical to mechanical form Pconv h) The induced torque ind i) The load torque load load j) The overall machine efficiency k) The motor speed in revolutions per minute and radians per second l) Sketch the power flow diagram for this motor.

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