1. A 100 MVA, 20 kV alternator has X 1 = X 2 = 0.20 pu and X 0 = 0.05 pu. The neutral of the generator is grounded through a reactor. Find the ohmic value of reactor to limit the current for a single line to ground fault equal to the current for a three-phase fault.
1. A 100 MVA, 20 kV alternator has X 1 = X 2 = 0.20 pu and X 0 = 0.05 pu. The neutral of the generator is grounded through a reactor. Find the ohmic value of reactor to limit the current for a single line to ground fault equal to the current for a three-phase fault.
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 3.32P: Determine the positive- and negative-sequence phase shifts for the three- phase transformers shown...
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1. A 100 MVA, 20 kV alternator has X 1 = X 2 = 0.20 pu and X 0 =
0.05 pu. The neutral of the generator is grounded through a
reactor. Find the ohmic value of reactor to limit the
current for a single line to ground fault equal to the
current for a three-phase fault.
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