Loss data for the motor of Problem 5.10 are as follows: Open-circuit core loss at 4160 V
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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 75°C = 0.279Ω. 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 125°C.
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At rated power unity power factor the armature current will b...View the full answer
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