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Squirrel-cage induction motor draws

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A large 3-phase, 4000 V, 60 Hz, squirrel-cage induction motor draws a current of 385 A and a total active power of 2344kW when operating at full-load. The corresponding speed is accurately measured and is found to be 709.2 r/min. The stator is connected in star (wye) and the resistance between two stator terminals is 0.10 ?. The total iron losses are 23.4 kW and the windage and friction losses12kW. Calculate the following: A) Power factor at full load. B) Active power supplied to the rotor. C) Total I²R losses in the rotor. D) The load mechanical power (kW) and torque (kN.m)

Reference no: EM13866761

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