A 11 kV, 10 MVA alternator has \(X_d^{''} = 15\% ,\;X_d' = 25\% ,\;{X_d} = 80\%\). It is connected to a load through a 2-cycle circuit breaker and a transformer. At no load 3-phase short circuit fault occurs between transformer and circuit breaker. If the voltage rating of the breaker is 11 kV, its interrupting kVA is

A 11 kV, 10 MVA alternator has \(X_d^{''} = 15\% ,\;X_d' = 25\% ,\;{X_

1.	A 11 kV, 10 MVA alternator has \(X_d^{''} = 15\% ,\;X_d' = 25\% ,\;{X_d} = 80\%\). It is connected to a load through a 2-cycle circuit breaker and a transformer. At no load 3-phase short circuit fault occurs between transformer and circuit breaker. If the voltage rating of the breaker is 11 kV, its interrupting kVA is
A.	46.7 MVA
B.	93.4 MVA
C.	140.1 MVA
D.	186.2 MVA
Answer» C. 140.1 MVA

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