A 10 MVA, 11 kV alternator has positive, negative and zero sequence re – McqOptions

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1.	A 10 MVA, 11 kV alternator has positive, negative and zero sequence reactance of 25%, 40%, 10% respectively. The resistance that must be placed in the neutral such that fault current for a single phase to ground fault will not exceed the rated line current in pu is _____________
A.	0.97
B.	0.22
C.	0.87
D.	0.45
Answer» B. 0.22

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