Name Type Description
PU_Z1 BOOLEAN Pick up of any phase or phases from a Zone 1 fault in the forward
direction
PU_ND_Z1 BOOLEAN Pick up any phase or phases from zone 1 - any direction
PU_Z2 BOOLEAN Pick up of any phase or phases from a Zone 2 fault in the forward
direction
PU_A_Z2 BOOLEAN Pick up of phase A for a zone 2 fault in forward direction
PU_B_Z2 BOOLEAN Pick up for phase B fault in forward direction
PU_C_Z2 BOOLEAN Pick up in phase C for a zone 2 fault in the forward direction
PU_ND_Z2 BOOLEAN Pick uo in any phase or phases for a zone 2 fault in any direction
PU_Z3 BOOLEAN Pick up of any phase or phases from a Zone 3 fault in the forward
direction
PU_ND_Z3 BOOLEAN Pick up any phase or phases from zone 3- any direction
PU_Z4 BOOLEAN Pick up in any pjase or phases for a zone 4 fault - zone direction
PU_ND_Z4 BOOLEAN Pick up any phase or phases from zone -4 any direction
PU_Z5 BOOLEAN Pick up in any phase or phase for Zone 5 - Zone direction
STND_Z5 BOOLEAN Pick up in any phase or phases from a zone 5 fault in any direction
PU_ZRV BOOLEAN Pick up in any phase or phase for a reverse fault
PU_A_RV BOOLEAN Pick up for a phase A reverse fault
PU_B_RV BOOLEAN Pick up for a phase B revers fault
PU_C_RV BOOLEAN Pick up for a phase C reverse fault
STNDRV BOOLEAN Pick up for a reverse zone for a fauult in nay direction
PHPUND BOOLEAN Fault detected in any phase or phases - any direction
NDIR_A BOOLEAN Fault detected in phase A - any direction
NDIR_B BOOLEAN Fault detected in phase B - any direction
NDIR_C BOOLEAN Fault detected in phase C - any direction
FWD_A BOOLEAN Fault detected in phaseA - forward direction
FWD_B BOOLEAN Fault detected in phase B - forward direction
FWD_C BOOLEAN Fault detected in phase C - forward direction
FWD_G BOOLEAN forward fault involving ground
REV_A BOOLEAN Fault detected in phase A- reverse direction
REV_B BOOLEAN Fault detected in phase B - reverse direction
REV_C BOOLEAN Fault detected in phase C - reverse direction
REV_G BOOLEAN Fault in reverse direction involving ground
FWD_1PH BOOLEAN Single-phase fault detected - forward direction
FWD_2PH BOOLEAN Two-phase fault detected - forward direction
FWD_3PH BOOLEAN Three-phase fault detected - forward direction
PHG_FLT BOOLEAN Ph-G zone measurement enabled - any direction
PHPH_FLT BOOLEAN Ph-Ph zone measurement enabled - any direction
Section 7 1MRK 502 066-UUS B
Impedance protection
332
Technical manual