A 100 MVA, 11 kV alternator has positive, negative and zero sequence reactances of 0.3 pu, 0.4 pu and 0.5 pu respectively. What values of resistance must put in generator neutral so that the fault current for line to ground fault of zero fault impedance will not exceed the rated line current.
1
11.71 Ω
2
12.47 Ω
3
1.10 Ω
4
15.8 Ω
5
10.0 Ω