The sequence components of the fault current are as follows: Ipositive = j 2 p.u., Inegative = - j 0.5 p.u. and Izero = - j 1.5 p.u. The type of fault in the system is ______.
1
Three phase fault
2
Single line - to- ground fault
3
Double line to ground fault
4
Double line fault
5
Three phase to ground fault