1) 1 T2 T2 4 Machine 1 Machine 2 Kroon AK YA Two synchronous machines are connected through three-phase transformers to the transmission line shown in below fig.The ratings and reactances of the machines and transformers are Machines 1 and 2: 100 MVA, 20 kV; X"₁ = X₁ = X₂ = 20%, X₁ = 4%, X = 5% X = 8% Transformers 7, and 72: 100 MVA, 200/345Y KV; X, On a chosen base of 100 MVA, 345 kV in the transmission-line circuit the line reactances are X₁ = X2 = 15% and X₁ = 50%. Draw cach of the three sequence networks and find the zero-sequence bus impedance matrix by means of the Zhus building algorithm. Find the fault current if L-G fault occurs at the terminals of Machine2.
1) 1 T2 T2 4 Machine 1 Machine 2 Kroon AK YA Two synchronous machines are connected through three-phase transformers to the transmission line shown in below fig.The ratings and reactances of the machines and transformers are Machines 1 and 2: 100 MVA, 20 kV; X"₁ = X₁ = X₂ = 20%, X₁ = 4%, X = 5% X = 8% Transformers 7, and 72: 100 MVA, 200/345Y KV; X, On a chosen base of 100 MVA, 345 kV in the transmission-line circuit the line reactances are X₁ = X2 = 15% and X₁ = 50%. Draw cach of the three sequence networks and find the zero-sequence bus impedance matrix by means of the Zhus building algorithm. Find the fault current if L-G fault occurs at the terminals of Machine2.
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
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...
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Question
![1)
1 T2
T2 4
Machine 1
Machine 2
Kroon
AK
YA
Two synchronous machines are connected through three-phase
transformers to the transmission line shown in below fig.The ratings and reactances
of the machines and transformers are
Machines 1 and 2:
100 MVA, 20 kV;
X"₁ = X₁ = X₂ = 20%,
X₁ = 4%, X = 5%
X = 8%
Transformers 7, and 72: 100 MVA, 200/345Y KV;
X,
On a chosen base of 100 MVA, 345 kV in the transmission-line circuit the line
reactances are X₁ = X2 = 15% and X₁ = 50%. Draw cach of the three sequence
networks and find the zero-sequence bus impedance matrix by means of the Zhus
building algorithm.
Find the fault current if L-G fault occurs at the terminals of Machine2.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F009a21ff-7816-463b-9672-fb938932228b%2F337e4aa3-531e-4cb6-8d61-cc2944e29f52%2F3s9lvl_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1)
1 T2
T2 4
Machine 1
Machine 2
Kroon
AK
YA
Two synchronous machines are connected through three-phase
transformers to the transmission line shown in below fig.The ratings and reactances
of the machines and transformers are
Machines 1 and 2:
100 MVA, 20 kV;
X"₁ = X₁ = X₂ = 20%,
X₁ = 4%, X = 5%
X = 8%
Transformers 7, and 72: 100 MVA, 200/345Y KV;
X,
On a chosen base of 100 MVA, 345 kV in the transmission-line circuit the line
reactances are X₁ = X2 = 15% and X₁ = 50%. Draw cach of the three sequence
networks and find the zero-sequence bus impedance matrix by means of the Zhus
building algorithm.
Find the fault current if L-G fault occurs at the terminals of Machine2.
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