Schweitzer Engineering Laboratories SEL-351 - Page 384

SETTINGS SHEET Page 4 of 24
FOR THE SEL-351 RELAY Date
RELAY SETTINGS (SERIAL PORT COMMAND SET AND FRONT PANEL)
Date Code 20001006
Residual Ground Inst./Def.-Time Overcurrent Elements (See Figures 3.10 and 3.11)
(Number of residual ground element pickup settings dependent on preceding enable setting
E50G = 1 - 6)
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50G1P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50G2P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50G3P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50G4P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50G5P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50G6P =
Residual Ground Definite-Time Overcurrent Elements (See Figure 3.10)
(Number of residual ground element time delay settings dependent on preceding enable setting
E50G = 1 - 6; all four time delay settings are enabled if E50G ³ 4)
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67G1D =
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67G2D =
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67G3D =
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67G4D =
Negative-Sequence Inst./Def.-Time Overcurrent Elements (See Figures 3.12 and 3.13)*
(Number of negative-sequence element time delay settings dependent on preceding enable setting
E50Q = 1 - 6)
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50Q1P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50Q2P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50Q3P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50Q4P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50Q5P =
Pickup (OFF, 0.25 - 100.00 A {5 A nom.}, 0.05 - 20.00 A {1 A nom.}) 50Q6P =
Negative-Sequence Definite-Time Overcurrent Elements (See Figure 3.12)*
(Number of negative-sequence element time delay settings dependent on preceding enable setting
E50Q = 1 - 6; all four time delay settings are enabled if E50Q ³ 4)
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67Q1D =
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67Q2D =
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67Q3D =
Time delay (0.00 - 16000.00 cycles in 0.25-cycle steps) 67Q4D =
* IMPORTANT: See Appendix F for information on setting negative-sequence overcurrent elements.
Courtesy of NationalSwitchgear.com