Schweitzer Engineering Laboratories SEL-351A, Manual

Page: 355 / 666

Date _______________
Date Code 20080213
Instruction Manual SEL-351A Relay
SET.3
of 32 SEL-351A Settings Sheets
Relay Settings (Serial Port Command SET and Front Panel)
(When setting VNOM = OFF, setting EFLOC can only be set to “N.”)
Fault location (Y, N) (see Fault Location on page 12.5 ) EFLOC =
(When setting VNOM = OFF, setting ELOP can only be set to “N.”)
Loss-of-potential (Y, Y1, N) (see Figure 4.1 ) ELOP =
Frequency elements (N, 1–6) (see Figure 3.32 ) E81 =
Reclosures (N, 1–4, C1–C4) (see Reclosing Relay on page 6.12 ) E79 =
SEL
OGIC®
Control Equation Variable Timers (N, 1–16)
(see Figure 7.23 and Figure 7.24 )
ESV =
Demand Metering (THM = Thermal, ROL = Rolling) (see
Figure 8.11 )
EDEM =
Phase Inst./Def.-Time Overcurrent Elements
(See Figure 3.1 , Figure 3.2 , and Figure 3.3 )
(Number of phase element pickup settings dependent on preceding enable setting E50P = 1–6.)
Pickup (OFF, 0.25–100.00 A {5 A nom.},
0.05–20.00 A {1 A nom.})
50P1P =
Pickup (OFF, 0.25–100.00 A {5 A nom.},
0.05–20.00 A {1 A nom.})
50P2P =
Pickup (OFF, 0.25–100.00 A {5 A nom.},
0.05–20.00 A {1 A nom.})
50P3P =
Pickup (OFF, 0.25–100.00 A {5 A nom.},
0.05–20.00 A {1 A nom.})
50P4P =
Pickup (OFF, 0.25–100.00 A {5 A nom.},
0.05–20.00 A {1 A nom.})
50P5P =
Pickup (OFF, 0.25–100.00 A {5 A nom.},
0.05–20.00 A {1 A nom.})
50P6P =
Phase Definite-Time Overcurrent Elements (See Figure 3.3 )
(Number of phase element time delay settings dependent on preceding enable setting E50P = 1–6; all four time delay
settings are enabled if E50P
≥
4.)
Time delay (0.00–16000.00 cycles in 0.25-cycle steps) 67P1D =
Time delay (0.00–16000.00 cycles in 0.25-cycle steps) 67P2D =
Time delay (0.00–16000.00 cycles in 0.25-cycle steps) 67P3D =
Time delay (0.00–16000.00 cycles in 0.25-cycle steps) 67P4D =
Phase-to-Phase Instantaneous Overcurrent Elements (See Figure 3.7 )
(Number of phase-to-phase element pickup settings dependent on preceding enable setting E50P = 1–6; all four pickup
settings are enabled if E50P
≥
4.)
Pickup (OFF, 1.00–170.00 A {5 A nom.},
0.20–34.00 A {1 A nom.})
50PP1P =
Pickup (OFF, 1.00–170.00 A {5 A nom.},
0.20–34.00 A {1 A nom.})
50PP2P =
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