In the system shown below, the generator is ideal (Xs = 0) and the magnitude of the load bus voltage, V is to be held at 110 kV. Working on a system base of 100 MVA and a base voltage of 115 kV in the load circuit: %3D a) draw the single-phase equivalent pu reactance diagram, and b) determine the necessary generator terminal voltage VG (kV). Transformer 1 200 MVA 25 kV: 600 kV X = 5% Transformer 2 150 MVA 500 kV: 115 kV X 6% Line X 60 Load S = 120 MVA pf = 0.85 lag VG VT1 VT2 VL
In the system shown below, the generator is ideal (Xs = 0) and the magnitude of the load bus voltage, V is to be held at 110 kV. Working on a system base of 100 MVA and a base voltage of 115 kV in the load circuit: %3D a) draw the single-phase equivalent pu reactance diagram, and b) determine the necessary generator terminal voltage VG (kV). Transformer 1 200 MVA 25 kV: 600 kV X = 5% Transformer 2 150 MVA 500 kV: 115 kV X 6% Line X 60 Load S = 120 MVA pf = 0.85 lag VG VT1 VT2 VL
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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
Transcribed Image Text:In the system shown below, the generator is ideal (Xs 0) and the magnitude of the
load bus voltage, VL is to be held at 110 kV. Working on a system base of 100 MVA
and a base voltage of 115 kV in the load circuit:
draw the single-phase equivalent pu reactance diagram, and
a)
b)
determine the necessary generator terminal voltage Vg (kV).
Transformer 1
200 MVA
25 kV : 600 kV
X = 5%
Transformer 2
150 MVA
500 kV: 115 kV
X = 6%
Line
X 60 2
Load
S 120 MVA
pf = 0.85 lag
VG
VT1
VT2
VL
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