Schweitzer Engineering Laboratories SEL-351A, Manual

Page: 357 / 666

Date _______________
Date Code 20080213
Instruction Manual SEL-351A Relay
SET.5
of 32 SEL-351A Settings Sheets
Relay Settings (Serial Port Command SET and Front Panel)
Residual-Ground Inst./Def.-Time Overcurrent Elements (See Figure 3.10 and
Figure 3.11 )
(Number of residual-ground element pickup settings dependent on preceding enable setting E50G = 1–6.)
Pickup (OFF, 0.050–100.000 A {5 A nom.},
0.010–20.000 A {1 A nom.})
50G1P =
Pickup (OFF, 0.050–100.000 A {5 A nom.},
0.010–20.000 A {1 A nom.})
50G2P =
Pickup (OFF, 0.050–100.000 A {5 A nom.},
0.010–20.000 A {1 A nom.})
50G3P =
Pickup (OFF, 0.050–100.000 A {5 A nom.},
0.010–20.000 A {1 A nom.})
50G4P =
Pickup (OFF, 0.050–100.000 A {5 A nom.},
0.010–20.000 A {1 A nom.})
50G5P =
Pickup (OFF, 0.050–100.000 A {5 A nom.},
0.010–20.000 A {1 A nom.})
50G6P =
[50G1P–50G6P setting step size 0.010 A {5 A nom.}, 0.002 A {1 A nom.}]
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
≥
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 Figure 3.12 and
Figure 3.13 )
IMPORTANT:
See Appendix F for information on setting negative-sequence overcurrent elements.
(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 =
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