Determine the efficiency of wye-connected synchronous motor

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A 400-V three-phase, wye-connected synchronous motor delivers 12 hp at the shaft and operates at 0.866 lagging power factor. The total iron, friction, and field copper losses are 1200 W. If the armature resistance is 0.75ohm per phase, determine the efficiency of the motor.

Reference no: EM13256423

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