Schweitzer Engineering Laboratories SEL-321 - Page 213

SETTINGS SHEET Page 1 OF 10
FOR THE SEL-321/321-1 RELAY Date
(5 A NOMINAL RELAY)
Date Code 20011026
Line Terminal Settings
Relay Identifier: (17 Characters) RELID = ____________________________________________
Terminal Identifier: (39 Characters) TRMID = ____________________________________________
____________________________________________
Positive-Seq. Line Impedance Magnitude: (0.05 - 255 Ω sec.) Z1MAG = _________
Positive-Seq. Line Impedance Angle: (5° - 90°) Z1ANG = _________
Zero-Seq. Line Impedance Magnitude: (0.05 - 255 Ω sec.) Z0MAG = _________
Zero-Seq. Line Impedance Angle: (5° - 90°) Z0ANG = _________
Fault Location Enable: (Y, R, N) LOCAT = _________
Line Length: (0.1 - 999 unitless) LL = _________
Current Transformer Ratio: (1 - 6000) CTR = _________
Potential Transformer Ratio: (1 - 10000) PTR = _________
Enable Zones of Distance Settings
Number Distance Zones: Mho Phase: (N, 1, 2, 3, 4) PMHOZ = _________
Mho Ground: (N, 1, 2, 3, 4) GMHOZ = _________
Quad. Ground: (N, 1, 2, 3, 4) QUADZ = _________
Distance Zones and Overcurrent Levels Direction Settings
Distance Zone 1/Overcurrent Level 1 Direction: (F/R) DIR1 = _________
Distance Zone 2/Overcurrent Level 2 Direction: (F/R) DIR2 = _________
Distance Zone 3/Overcurrent Level 3 Direction: (F/R) DIR3 = _________
Distance Zone 4/Overcurrent Level 4 Direction: (F/R) DIR4 = _________
Mho Phase Distance Settings
Impedance Reach: Zone 1: (0.05 - 64 Ω sec.) Z1P = _________
Zone 2: (0.05 - 64 Ω sec.) Z2P = _________
Zone 3: (0.05 - 64 Ω sec.) Z3P = _________
Zone 4: (0.05 - 64 Ω sec.) Z4P = _________
Mho Phase Distance Overcurrent Supervision Settings
Phase-to-Phase Overcurrent: Zone 1: (1 - 170 amps sec.) 50PP1 = _________
Zone 2: (1 - 170 amps sec.) 50PP2 = _________
Zone 3: (1 - 170 amps sec.) 50PP3 = _________
Zone 4: (1 - 170 amps sec.) 50PP4 = _________