Thanks for your reply David, that I can agree on but still you have to base the new settings on something. Regarding the replica impedance vector, I have: 2,6 + 4,3j, which is the impedance of the line if my calculations are correct (below).
cot φ = 0,6 → φ = 59˚
cos 59 = r/0,2 → r = 2,6
sin...
Hi, I'm in need for some help, it's regarding an old distance relay of electromechanical type, BBC LI41b, see attached image. The protection relay will be exchanged with a newer one, not decided yet, because of age and no spare parts available.
I have managed to get hold of a data paper of a...