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Electric Circuits and Networks, Ist Edition by Pearson
book

Electric Circuits and Networks, Ist Edition by Pearson

by K. S. Suresh Kumar
May 2024
Intermediate to advanced content levelIntermediate to advanced
840 pages
45h 20m
English
Pearson India
Content preview from Electric Circuits and Networks, Ist Edition by Pearson
341
9.5 SYMMETRICAL COMPONENTS
neutral voltage with respect to earth. (v) Find the phase voltages and line voltages
across the load by symmetrical components. (vi) Find the total power delivered by
source and delivered to load using symmetrical components.
SOLUTION
(i) The subscript ‘s’ stands for source quantities. Substituting
a 1120º, V
sRN
2300º, V
sYN
190–120º and V
sBN
240140º,
(ii) Line voltages are obtained as below.
V
sRY
V
sRG
V
sYG
2300º – 190–120º
325 j164.54 364.2826.85º V rms.
V
sYB
V
sYG
V
sBG
190–120º – 240140º
88.85 – j318.81 330.96–74.43º V rms.
V
sBR
V
sBG
V
sRG
240140º – 230
–413.85 j154.27 441.67
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Publisher Resources

ISBN: 9781299447028