A 3-phase, 20 MVA, 10 kV alternator has internal reactance of 5% and negligi resistance. Find the external resistance per phase to be connected in series with the alternator soha steady current on short circuit does not exceed 4 times the full load current.

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 3.43P: Three single-phase transformers, each rated 10MVA,66.4/12.5kV,60Hz, with an equivalent series...
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Hi please help me i need urjeent answer please 

A 3-phase, 20 MVA, 10 kV alternator has internal reactance of 5% and negligi
resistance. Find the external resistance per phase to be connected in series with the alternator so th
steady current on short circuit does not exceed 4 times the full load current.
Transcribed Image Text:A 3-phase, 20 MVA, 10 kV alternator has internal reactance of 5% and negligi resistance. Find the external resistance per phase to be connected in series with the alternator so th steady current on short circuit does not exceed 4 times the full load current.
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