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10 MVA X = 10% 5 MVA X = 5% Line

10 MVA X = 10% 5 MVA X = 5% Line

Power System Analysis and Design (MindTap Course List)
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
Chapter2: Fundamentals
Section: Chapter Questions
Problem 2.9P: For the circuit shown in Figure 2.24, compute the voltage across the load terminals.
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A 3-ph transmission line operating at 10 kV and having a resistance of 1 ohm and a reactance of 4 ohms is connected to the generating station bus-bars through a 5 MVA step-up transformer having a reactance of 5%. The busbars are supplied by a 10-MVA alternator having 10% reactance. Calculate the symmetrical short-circuit current if it occurs (a) at the receiving end of the line and (b) at the HV terminals of the transformer. Please use Thevenin and Superposition techniques.

10 MVA X = 10% 5 MVA X = 5% Line
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