Schweitzer Engineering Laboratories SEL-321 - Page 228

SETTINGS SHEET Page 6 OF 10
FOR THE SEL-321/321-1 RELAY Date
(1 A NOMINAL RELAY)
Date Code 20011026
Directional Comparison Blocking Scheme Settings
Enable DCB: (Y/N) EDCB = _________
Zone 3 Dropout Extension Time Delay (TDDO): (0 - 2000 cycles) Z3XD = _________
Block Trip Receive Extension Time Delay (TDDO): (0 - 2000 cycles) BTXD = _________
Zone 2 Phase Distance Short Delay Time Delay (TDPU): (0 - 60 cycles) Z2PSD = _________
Zone 2 Ground Distance Short Delay Time Delay (TDPU): (0 - 60 cycles) Z2GSD = _________
Level 2 Residual Short Delay Time Delay (TDPU): (0 - 60 cycles) 67N2SD = _________
Level 2 Neg.-Seq. Short Delay Time Delay (TDPU): (0 - 60 cycles) 67Q2SD = _________
Zone 1 Extension Settings
Enable Zone 1 Extension: (Y/N) EZ1EXT = _________
Enable Time Delay (TDPU): (0 - 2000 cycles) Z1EXTD = _________
Multiplier: (1 - 5 unitless) Z1EXTM = _________
Remote-End-Just-Opened Settings
Enable: (Y/N) EREJO = _________
Pickup Time Delay (TDPU): (0 - 2000 cycles) REJOD = _________
Overcurrent Element Pickup: (0.1 - 20 amps sec.) 3P50R = _________
Switch-Onto-Fault Settings
Enable: (Y/N) ESOTF = _________
Enable Close Logic: (Y/N) ENCLO = _________
Close Enable Time Delay (TDPU): (0 - 8000 cycles) CLOEND = _________
Enable 52A Logic: (Y/N) EN52A = _________
52A Enable Time Delay (TDPU): (0 - 8000 cycles) 52AEND = _________
Time Duration (TDDO): (0.5 - 8000 cycles) SOTFD = _________
High-Set Phase Overcurrent Pickup: (0.1 - 20 amps sec.) 50H = _________
Loss-of-Potential Settings
Enable Loss-Of-Potential: (Y, N, N1, Y1, Y2) ELOP = _________
Loss-Of-Potential Time Delay (TDPU): (1 - 60 cycles) LOPD = _________
Medium-Set Phase Overcurrent Pickup: (0.1 - 20 amps sec.) 50M = _________
Negative-Sequence Voltage LOP supervision: (0 - 150 V sec., V2) 59QL = _________
Positive-Sequence Voltage LOP supervision: (0 - 150 V sec., V1) 59PL = _________