A 100-MVA, 60-kV, three-phase synchronous generator has a synchronous reactance of 16 Ohms/phase and negligible armature resistance. The generator is operating with an excitation per phase E= 47.116 KV, and is delivering maximum power before losing synchronism (stability limit). Thus, the maximum generated power is Pmax = and the armature current is la = 306 MW None of these 102 MW

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a. 4 KA
O b. None of these
O c. 6.25 kA
O d. 2.309 KA
A 100-MVA, 60-kV, three-phase synchronous generator has a synchronous reactance of 16 Ohms/phase and negligible
armature resistance. The generator is operating with an excitation per phase E= 47.116 KV, and is delivering maximum
power before losing synchronism (stability limit).
Thus, the maximum generated power is Pmax =
and the armature current is la =
306 MW
None of these
102 MW
530 MW
A 90-MVA 69.3-kV, three-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible
armature resistance. The generator is delivering power to the bus bar at the rated voltage with its field current adjusted
for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree.
Thus, the delivered power is
the generator armature current is
and the
power factor is
The thre
tings of the below.electr
nower system is given below:
Transcribed Image Text:a. 4 KA O b. None of these O c. 6.25 kA O d. 2.309 KA A 100-MVA, 60-kV, three-phase synchronous generator has a synchronous reactance of 16 Ohms/phase and negligible armature resistance. The generator is operating with an excitation per phase E= 47.116 KV, and is delivering maximum power before losing synchronism (stability limit). Thus, the maximum generated power is Pmax = and the armature current is la = 306 MW None of these 102 MW 530 MW A 90-MVA 69.3-kV, three-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible armature resistance. The generator is delivering power to the bus bar at the rated voltage with its field current adjusted for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree. Thus, the delivered power is the generator armature current is and the power factor is The thre tings of the below.electr nower system is given below:
EHide bloc
Oa. 4 KA
O b. None of these
О с. 6.25 kА
O d. 2.309 KA
A 100-MVA, 60-kV, three-phase synchronous generator has a synchronous reactance of 16 Ohms/phase and negligible
armature resistance. The generator is operating with an excitation per phase E= 47.116 KV, and is delivering maximum
power before losing synchronism (stability limit).
Thus, the maximum generated power is Pmax =
and the armature current is la =
None of these
2.751 <51.85° (KA)
3.654 < 36.32° (KA)
-phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible
4.767 <51.8° (KA)
arrrature reSTStarice, re generator is delivering power to the bus bar at the rated voltage with its field current adjusted
of
for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree.
Thus, the delivered power is
the generator armature current is
+ and the
power factor is
The three phase power and line-line ratings of the below electric power system is given below:
EN ?
1:48 AM
4/14/202
Transcribed Image Text:EHide bloc Oa. 4 KA O b. None of these О с. 6.25 kА O d. 2.309 KA A 100-MVA, 60-kV, three-phase synchronous generator has a synchronous reactance of 16 Ohms/phase and negligible armature resistance. The generator is operating with an excitation per phase E= 47.116 KV, and is delivering maximum power before losing synchronism (stability limit). Thus, the maximum generated power is Pmax = and the armature current is la = None of these 2.751 <51.85° (KA) 3.654 < 36.32° (KA) -phase synchronous generator has a synchronous reactance of 10 Ohms/phase and negligible 4.767 <51.8° (KA) arrrature reSTStarice, re generator is delivering power to the bus bar at the rated voltage with its field current adjusted of for a generated emf (excitation voltage) of 50 kV per phase and a power angle & = 7.1 degree. Thus, the delivered power is the generator armature current is + and the power factor is The three phase power and line-line ratings of the below electric power system is given below: EN ? 1:48 AM 4/14/202
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