the busbars of a power station are in two sections a and b separatedvby acreactor. connected in section a arevtwo 12 mva generators of 15% reactance each andvto b, 8 mva generator of reactance 10%. the reactor is rated 8 mva and 15 % reactance. two feeders are connected to busbar a through transformers, each rated at 4 mva and 5 % reactance. determine the maximum short circuit mva with which circuit breakers on the outgoing side of the transformers have to deal

the busbars of a power station are in two sections a and b separatedvby acreactor. connected in section a arevtwo 12 mva generators of 15% reactance each andvto b, 8 mva generator of reactance 10%. the reactor is rated 8 mva and 15 % reactance. two feeders are connected to busbar a through transformers, each rated at 4 mva and 5 % reactance. determine the maximum short circuit mva with which circuit breakers on the outgoing side of the transformers have to deal

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 7.21MCQ

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The bus bars of a power station are in two sections A and Bseparated by a reactor. Connected in section A are two 12MVA generators of 15% reactance each and to B, 8 MVAgenerator of reactance 10%. The reactor is rated 8 MVA and15% reactance. Two feeders are connected to bus bar Athrough transformers, each rated at 4 MVA and 5% reactance.Determine the maximum short circuit MVA with which circuitbreakers on the outgoing side of the transformers have todeal.
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