Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Q1. For 'Load at Unity Power Factor' example discussed in the lecture (see figure below),
find power to load, percentage voltage regulation, power losses and percent efficiency if the
power factor is 0.78 lagging. Compare your results to example discussed in the class.
Iline,
480:240/120
Ioad
ll
1.04 Ω j0.62 Ω
120V
Vin
13.5 k2.
N
240 V
Rated
@unity
120V
ll
8.
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Transcribed Image Text:Q1. For 'Load at Unity Power Factor' example discussed in the lecture (see figure below), find power to load, percentage voltage regulation, power losses and percent efficiency if the power factor is 0.78 lagging. Compare your results to example discussed in the class. Iline, 480:240/120 Ioad ll 1.04 Ω j0.62 Ω 120V Vin 13.5 k2. N 240 V Rated @unity 120V ll 8.
A 10 kVA, 480:240/120 V supplies 240 V at rated load
Unity Power Factor
Rated Load? – means we have to supply 10 kVA no
matter what the power factor is!
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Transcribed Image Text:A 10 kVA, 480:240/120 V supplies 240 V at rated load Unity Power Factor Rated Load? – means we have to supply 10 kVA no matter what the power factor is!
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