Loss data for the motor of Problem 5.10 are as follows:

Loss data for the motor of Problem 5.10 are as follows:

Loss data for the motor of Problem 5.10 are as follows: Open-circuit core loss at 4160 V = 37 kW. Friction and windage loss = 46 kW. Field-winding resistance at 75째C = 0.279?. Compute the output power and efficiency when the motor is operating at rated input power, unity power factor, and rated voltage. Assume the field-winding to be operating at a temperature of 125째C.

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