Q6/ The per-unit reactance for a given system are shown in figure below. (1 MVA) is being delivered to the receiving end bus of the system at unity power factor and unit voltage. A three phase short circuit occurs at F. Find the critical clearing angle and the critical clearing time? Take H = 3 p. u. second tc X=j0.3 j0.1 w Peralat j0.25 j0.25 V20 x 1

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 3.29P: Consider three ideal single-phase transformers (with a voltage gain of ) put together as ...
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Q6/ The per-unit reactance for a given system are shown in figure below. (1 MVA) is being
delivered to the receiving end bus of the system at unity power factor and unit voltage. A
three phase short circuit occurs at F. Find the critical clearing angle and the critical clearing
time? Take H = 3 p. u. second
tc
X=j0.3
j0.1
w
Peralat
j0.25
j0.25
V20
x
1
Transcribed Image Text:Q6/ The per-unit reactance for a given system are shown in figure below. (1 MVA) is being delivered to the receiving end bus of the system at unity power factor and unit voltage. A three phase short circuit occurs at F. Find the critical clearing angle and the critical clearing time? Take H = 3 p. u. second tc X=j0.3 j0.1 w Peralat j0.25 j0.25 V20 x 1
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