Find v, 1.7 ms after switch 1 moves to position b.
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
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.3P
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Transcribed Image Text:The action of the two switches in the circuit seen in (
Figure 1) is as follows. For t < 0, switch 1 is in position
a and switch 2 is open. This state has existed for a long
time. At t = 0, switch 1 moves instantaneously from
position a to position b, while switch 2 remains open.
Two hundred fifty microseconds after switch 1
operates, switch 2 closes, remains closed for 400 μs
and then opens.
Figure
1 of 1
50 Ω
a
150 Ω|
+
b t=0
TFD
Vo 75 ΩΣ
25 mH
80 mA
0+250 μs
Part A
Find v, 1.7 ms after switch 1 moves to position b.
Express your answer to three significant figures and include the appropriate units.
vo (1.7 ms) =
ΠΑ
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