m 50Ω t=0 SW #1 IL (t) √3 0.5 H m Z# MS 202 m
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
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.8MCQ: An ac resistance is higher than a dc resistance. True False
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1. Initial current
2. Time constant 0<t≤25ms
3. Inductor current at 25ms before sw2 close
4. Time constant over 25ms after sw2 close
..
Please answer all subpart I will like only for all subpart..
![50 V
HIH
M
50.2
t=0
SW #1
IL (t)
m
Fig. 2. RL
Initially SW #1 is closed and SW #2 is open and these switches have been this way for a long time.
At t-05 SW #1 opens. At t-25ms SW # 2 closes.
0.5 H
SW #2
202
t=25ms
w
30](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3eaa8373-aafe-45f7-b86e-b11c3962d6fd%2F02e44e95-1356-419c-997f-00519740d528%2Fdfffxri_processed.jpeg&w=3840&q=75)
Transcribed Image Text:50 V
HIH
M
50.2
t=0
SW #1
IL (t)
m
Fig. 2. RL
Initially SW #1 is closed and SW #2 is open and these switches have been this way for a long time.
At t-05 SW #1 opens. At t-25ms SW # 2 closes.
0.5 H
SW #2
202
t=25ms
w
30
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