16 V 3.9 kN ' 62 kN o Vc VB VCE B= 80 IBQ o VE 9.1 kN 0.68 kN FIG. 4.125 Problems 15, 16, 20, 23, 25, 67, 69, 70, 73, аnd 77.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...
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16 V
ю 18 V
3.9 k2
4.7 kN
Ice
o Vc
62 kN
R1
OVc = 12 V
+
VB
VB
VCE, B = 80
IBQ
o VE
9.1 k2
5.6 k2
0.68 k2
1.2 k2
FIG. 4.126
FIG. 4.125
Problems 17 аnd 19.
Problems 15, 16, 20, 23, 25, 67,
69, 70, 73, аnd 77.
Transcribed Image Text:16 V ю 18 V 3.9 k2 4.7 kN Ice o Vc 62 kN R1 OVc = 12 V + VB VB VCE, B = 80 IBQ o VE 9.1 k2 5.6 k2 0.68 k2 1.2 k2 FIG. 4.126 FIG. 4.125 Problems 17 аnd 19. Problems 15, 16, 20, 23, 25, 67, 69, 70, 73, аnd 77.
23. a. Determine Ico, VCE, and IB, for the network of Problem 15 (Fig. 4.125) using the approxi-
mate approach even though the condition established by Eq. (4.33) is not satisfied.
b. Determine IC VCE» and IB, using the exact approach.
c. Compare solutions and comment on whether the difference is sufficiently large to require
standing by Eq. (4.33) when determining which approach to employ.
Transcribed Image Text:23. a. Determine Ico, VCE, and IB, for the network of Problem 15 (Fig. 4.125) using the approxi- mate approach even though the condition established by Eq. (4.33) is not satisfied. b. Determine IC VCE» and IB, using the exact approach. c. Compare solutions and comment on whether the difference is sufficiently large to require standing by Eq. (4.33) when determining which approach to employ.
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