A 9-kVA, 208 -V, 1200 – rpm , three – phase , 60-Hz, Y – connected , synchronous gener- ator has…

A 9-kVA, 208 -V, 1200 – rpm , three – phase , 60-Hz, Y – connected , synchronous gener- ator has…

A 9-kVA, 208-V, 1200rpm, threephase, 60-Hz, Yconnected, synchronous gener- ator has a fieldwinding resistance of 4.5 ohm. The armaturewinding impedance is 0.3 + j5 ohm/phase. When the generator operates at its full load and 0.8 pf lagging, the fieldwinding current is5 A. The rotational loss is 500 W. Determine (a) the voltage regulation, (b) the efficiency of the generator, and (c) the torque applied by the

A 9-kVA, 208 -V, 1200 – rpm , three – phase , 60-Hz, Y – connected , synchronous gener- ator has…

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