Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
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Chapter 3, Problem 37P
The filament of a lamp in the circuit of Figure 3-27(a) has a certain amount of resistance, represented by an equivalent resistance in Figure 3-27(b). If the lamp operates with 120 V and 0.8 A of current, what is the resistance of its filament when it is on?
Figure 3-27
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jX(1)=j0.2p.u.
jXa(2)=j0.15p.u.
jxa(0)=0.15 p.u.
V₁=1/0°p.u.
V₂=1/0° p.u.
1
jXr(1) = j0.15 p.11.
jXT(2) = j0.15 p.u.
jXr(0) = j0.15 p.u.
V3=1/0° p.u.
А
V4=1/0° p.u.
2 jX1(1)=j0.12 p.u. 3 jX2(1)=j0.15 p.u. 4
jX1(2)=0.12 p.11.
JX1(0)=0.3 p.u.
jX/2(2)=j0.15 p.11.
X2(0)=/0.25 p.1.
Figure 1. Circuit for Q3 b).
Chapter 3 Solutions
Principles Of Electric Circuits
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