Schweitzer Engineering Laboratories SEL-311B, Instruction Manual

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SEL-311B S
ETTINGS
S
HEET Page 2
OF
4
A
PPLICATION
S
ETTING
221-16
D
ATE
Date Code 20011205
Phase and Ground Distance Element Time Delays (See Settings Explanations in
Section 3
)
Zone 2 phase distance time delay (OFF, 0–16000 cycles) Z2PD =
Zone 2 ground distance time delay (OFF, 0–16000 cycles) Z2GD =
Zone 3 time delay (OFF, 0–16000 cycles) Z3D =
Phase Inst./Def.-Time Overcurrent Element (See Figure 3.13)
Level 1 (OFF, 0.25–100.00 A secondary {5 A nom.};
0.05–20.00 A secondary {1 A nom.}) 50P1P =
Residual Ground Inst./Def.-Time Overcurrent Element (See Figure 3.16)
Level 1 (OFF, 0.25–100.00 A secondary {5 A nom.};
0.05–20.00 A secondary {1 A nom.}) 50G1P =
Residual Ground Time-Overcurrent Element (See Figure 3.19)
Pickup (OFF, 0.50–16.00 A secondary {5 A nom.};
0.10–3.20 A secondary {1 A nom.}) 51GP =
Curve (U1–U5, C1–C5) (see Figures 9.1 through 9.10) 51GC =
Time Dial (0.50–15.00 for curves U1–U5; 0.05–1.00 for curves C1–C5) 51GTD =
Reclosing Relay (See Tables 6.2 and 6.3)
Open interval 1 time (0.00–999999.00 cycles in 0.25-cycle steps) 79OI1 =
Reset time from reclose cycle (0.00–999999.00 cycles in 0.25-cycle steps) 79RSD =
Reset time from lockout (0.00–999999.00 cycles in 0.25-cycle steps) 79RSLD =
Switch-Onto-Fault (See Figure 5.3)
52 A enable time delay (OFF, 0.00–16000.00 cycles in 0.25-cycle steps) 52AEND =
SOTF duration (0.50–16000.00 cycles in 0.25-cycle steps) SOTFD =
Other Settings
Minimum trip duration time (4.00–16000.00 cycles in 0.25-cycle steps) TDURD =
SEL
OGIC
Control Equation Variable Timers (See Figure 7.23)
SV1 Pickup Time (0.00–999999.00 cycles in 0.25-cycle steps) SV1PU =
SV1 Dropout Time (0.00–999999.00 cycles in 0.25-cycle steps) SV1DO =
Trip Logic Equations (See Figure 5.1)
Direct trip conditions TR =
Switch-onto-fault trip conditions TRSOTF =