Question: A 6 0 - Hz , three - phase, 6 - pole, - connected synchronous motor is connected to 4 8 0 V and produces

A 60-Hz, three-phase, 6-pole, -connected synchronous motor is connected to 480 V and produces 80 hp. The motor draws minimum current with an excitation voltage of =520 V per phase. Mechanical losses are 5hp.

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