For the power system shown at right the impedance matrix (2 is j0.4 3 j0.5 j0.2 0.164 0.101 0.0692 =j 0.101 0.246 0.120 bus [0.0692 0.120 0.145 j0.25 j0.2 Pre-fault all bus voltages are 1 pu. Then a three-phase fault to ground occurs at bus 2. What are the post-fault per-unit bus voltages? (Express in polar phasor form |V|Z0°) 1pu 1pu

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 7.7MCQ
icon
Related questions
icon
Concept explainers
Question
For the power system shown at right the impedance matrix (2
is
j0.4 3
j0.5
j0.2
0.164
0.101 0.0692
(1)
(3)
Zbus=j 0.101
0.246 0.120
0.0692 0.120 0.145
j0.25
j0.2
Pre-fault all bus voltages are 1 pu. Then a three-phase fault
to ground occurs at bus 2. What are the post-fault per-unit
bus voltages? (Express in polar phasor form |V|Z0° )
1pu
1 pu
Transcribed Image Text:For the power system shown at right the impedance matrix (2 is j0.4 3 j0.5 j0.2 0.164 0.101 0.0692 (1) (3) Zbus=j 0.101 0.246 0.120 0.0692 0.120 0.145 j0.25 j0.2 Pre-fault all bus voltages are 1 pu. Then a three-phase fault to ground occurs at bus 2. What are the post-fault per-unit bus voltages? (Express in polar phasor form |V|Z0° ) 1pu 1 pu
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Knowledge Booster
Load flow analysis
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Power System Analysis and Design (MindTap Course …
Power System Analysis and Design (MindTap Course …
Electrical Engineering
ISBN:
9781305632134
Author:
J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:
Cengage Learning