The source impedance at a 15.47kV distribution substation bus is 0.4 + j1.5 ohms per phase. Calculate: a) the rms fault current, b) the maximum peak instantaneous value of fault current, and c) the rms value of the half-cycle fault current if a balanced three-phase fault occurs.
The source impedance at a 15.47kV distribution substation bus is 0.4 + j1.5 ohms per phase. Calculate: a) the rms fault current, b) the maximum peak instantaneous value of fault current, and c) the rms value of the half-cycle fault current if a balanced three-phase fault occurs.
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 7.2MCQ: Even though the fault current is not symmetrical and not strictly periodic, the rms asymmetrical...
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![Exercise 4
The source impedance at a 15.47kV distribution substation bus is 0.4 + j1.5 ohms
per phase. Calculate:
a) the rms fault current,
b) the maximum peak instantaneous value of fault current, and
c) the rms value of the half-cycle fault current if a balanced three-phase fault
occurs.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa20e8bfe-4e37-44d9-8376-ba27c91f81dc%2F89b593ee-e27f-494e-b743-4d82be711ac5%2Fjyd923_processed.png&w=3840&q=75)
Transcribed Image Text:Exercise 4
The source impedance at a 15.47kV distribution substation bus is 0.4 + j1.5 ohms
per phase. Calculate:
a) the rms fault current,
b) the maximum peak instantaneous value of fault current, and
c) the rms value of the half-cycle fault current if a balanced three-phase fault
occurs.
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