(3 T2 Machine 1 Machine 2 Y A 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; = X, = X, = 20%, %3D %3D %3D X = 4%, X, = 5% %3D %3D Transformers T, and T,: 100 MVA, 204/345Y kV; X 8% On a chosen base of 100 MVA, 345 kV in the transmission-linc circuit the line r cactances arc X, = X2 = 15% and X networks and find the zcro-scqucncc bus impedance matrix by mcans of the Zpus building algorithm. = 50%. Draw cach of thc threc scquence %3D %3! Find the fault current if L-G fault occurs at the terminals of Machine2.

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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3.
(3
3E
Machine 2
Machine 1
* A Yo
Y A
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; = X, = X, = 20%,
Xp = 4%,
X, =
= 5%
%3D
Transformers T, and T,:
100 MVA, 204/345Y kV;
X 8%
On a chosen base of 100 MVA, 345 kV in the transmission-linc circuit the line
r cactances arc X, = X, = 15% and Xo = 50%. Draw cach of thc three sequence
networks and find thc zcro-scqucncc bus impedancc matrix by mcans of the Z pus
building algorithm.
%3D
Find the fault current if L-G fault occurs at the terminals of Machine2.
words
English (United States)
Transcribed Image Text:X, x² No Spacing Narmal Heading 1 Heading 2 Title Subtitie ep up-to-date with security updates, fixes, and improvements, choose Check for Updates. 3. (3 3E Machine 2 Machine 1 * A Yo Y A 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; = X, = X, = 20%, Xp = 4%, X, = = 5% %3D Transformers T, and T,: 100 MVA, 204/345Y kV; X 8% On a chosen base of 100 MVA, 345 kV in the transmission-linc circuit the line r cactances arc X, = X, = 15% and Xo = 50%. Draw cach of thc three sequence networks and find thc zcro-scqucncc bus impedancc matrix by mcans of the Z pus building algorithm. %3D Find the fault current if L-G fault occurs at the terminals of Machine2. words English (United States)
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