A 10 MVA, 11 kV alternators has positive, negative and zero sequence r – McqOptions

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1.	A 10 MVA, 11 kV alternators has positive, negative and zero sequence reactance of 25%, 40%, 10% respectively. The resistance that must be placed in the neutral such that zero sequence of fault current for a single phase to ground fault will not exceed the rated line current in pu is ______
A.	0.22
B.	0.11
C.	0.16
D.	0.97
Answer» B. 0.11

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