Question 1 In the system shown below, the generator is ideal (Xg = 0) and the magnitude of the load bus voltage, V1, is to be held at 11 kV. Working on a system base of 25 MVA and a base voltage of 10 kV at the load side: a) Draw the single-phase equivalent pu reactance diagram. b) Calculate the current I load in per unit c) Calculate the current I generator in A d) Calculate the Power in VA generated, consumed and lost %3D
Question 1 In the system shown below, the generator is ideal (Xg = 0) and the magnitude of the load bus voltage, V1, is to be held at 11 kV. Working on a system base of 25 MVA and a base voltage of 10 kV at the load side: a) Draw the single-phase equivalent pu reactance diagram. b) Calculate the current I load in per unit c) Calculate the current I generator in A d) Calculate the Power in VA generated, consumed and lost %3D
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.47P: Consider the oneline diagram shown in Figure 3.40. The three-phase transformer bank is made up of...
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![Question 1
In the system shown below, the generator is ideal (XG = 0) and the magnitude of
the load bus voltage, V1, is to be held at 11 kV. Working on a system base of 25
MVA and a base voltage of 10 kV at the load side:
a) Draw the single-phase equivalent pu reactance diagram.
b) Calculate the current I load in per unit
c) Calculate the current I generator in A
d) Calculate the Power in VA generated, consumed and lost
Transformer 1
20 MVA
15kV : 60 kV
X = 5%
Transformer 2
20 MVA
50 kV : 11 kV
X = 6%
to
Line
X = 200
Load
S = 12 MVA
pf = 0.85 lag
VG
VT1
VT2
VL](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd11b83f5-b3f9-41e9-9cd4-73ef172123a6%2Fa4f88a4f-645d-4ec3-8ddd-21faa3bda7b0%2Ffdy5ico_processed.png&w=3840&q=75)
Transcribed Image Text:Question 1
In the system shown below, the generator is ideal (XG = 0) and the magnitude of
the load bus voltage, V1, is to be held at 11 kV. Working on a system base of 25
MVA and a base voltage of 10 kV at the load side:
a) Draw the single-phase equivalent pu reactance diagram.
b) Calculate the current I load in per unit
c) Calculate the current I generator in A
d) Calculate the Power in VA generated, consumed and lost
Transformer 1
20 MVA
15kV : 60 kV
X = 5%
Transformer 2
20 MVA
50 kV : 11 kV
X = 6%
to
Line
X = 200
Load
S = 12 MVA
pf = 0.85 lag
VG
VT1
VT2
VL
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