"able 1. Close Switches Open Switches Equivalent Resistance at terminal A and B All None Reguivalent ohms S1 S2 S3 Requivalent ohms S3 s1 s2 Requivatent ohms S1 S3 S2 Requivalent ohms None All Requivatent ohms S, R1 R2 10 n II

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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The circuit of Fig. 5 has 5 resistors and 3 switches. For each of the various switch conditions (open or closed) given in Table 1, calculate the resistance value between terminals A and B. Draw the equivalent circuit and show your calculations
Table 1.
Close Switches
Open Switches
Equivalent Resistance at terminal A and B
All
None
Requivalent
ohms
S1 S2
S3
Requivalent
ohms
S3
S1 s2
Requivalent
ohms
S1 S3
S2
Requivalent
ohms
None
All
Requivalent
ohms
R1
R2
10 n
R3
S2
R4
BO
12
20
S3
R5
Fig. 5
II
II
II
II
II
Transcribed Image Text:Table 1. Close Switches Open Switches Equivalent Resistance at terminal A and B All None Requivalent ohms S1 S2 S3 Requivalent ohms S3 S1 s2 Requivalent ohms S1 S3 S2 Requivalent ohms None All Requivalent ohms R1 R2 10 n R3 S2 R4 BO 12 20 S3 R5 Fig. 5 II II II II II
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