Loss Of Load Trip Logic - GE MiCOM P40 Agile Technical Manual

Application Notes
MiCOM P40 Agile P442, P444
Figure 57: Loss of load trip logic
Where:
PZ1, PZ2, PFwd, None
Z1<ZL
Z2'
Description
Underreach scheme: Z1 < ZL: Permissive
underreach Z1, Z2 or forward
None: no distance scheme (basic scheme)
Underreach scheme in Z1
Fault in Z2 (lockout by Power swing or Reversal
Guard)
P44x/EN AP/Hb6
(AP) 5-83