A 60 MVA, 69.3 KV, three-phase synchronous generator has a synchronous reactance Xs = 15 ohm/phase. The generator is supplying its rated power (i.e. 60 MVA) to an infinite bus at 0.8 power factor lagging. Determine: a) The armature current Ia. b) The generator emf per phase (E). c) The power angle. d) The maximum power (P) that the generator can supply. Xs = j 150 E la Vline = 69.3 KV

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A 60 MVA, 69.3 KV, three-phase synchronous generator has a synchronous
reactance Xs = 15 ohm/phase. The generator is supplying its rated power (i.e. 60
MVA) to an infinite bus at 0.8 power factor lagging.
Determine:
a) The armature current Ia.
b) The generator emf per phase (E).
c) The power angle.
d) The maximum power (P) that the generator can supply.
Xs = j 150
la
Vline = 69.3 KV
Transcribed Image Text:A 60 MVA, 69.3 KV, three-phase synchronous generator has a synchronous reactance Xs = 15 ohm/phase. The generator is supplying its rated power (i.e. 60 MVA) to an infinite bus at 0.8 power factor lagging. Determine: a) The armature current Ia. b) The generator emf per phase (E). c) The power angle. d) The maximum power (P) that the generator can supply. Xs = j 150 la Vline = 69.3 KV
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