Q. Two parallel alternators each rated 11 kV 50 MVA and each having a subtransient reactance of 15% are connected to a bus bar. What is the fault level for a fault on one of the feeders near the bus bar ?

A
666.67 MVA
B
333.33 MVA
C
1333.5 MVA
D
100 MVA
Solution:

Fault level = 666.67 MVA

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