Schweitzer Engineering Laboratories SEL-351-5, Instruction Manual

Page: 416 / 706

SET.14
of 34
SEL-351-5, -6, -7 Relay Instruction Manual
Date Code 20070117
Date________________
Additional DCUB Trip Scheme Settings (See Figure 5.10 )
(Make the following settings if preceding enable setting ECOMM = DCUB1 or DCUB2.)
Guard present security time delay
(0.00–16000.00 cycles in 0.25-cycle steps)
GARD1D =
DCUB disabling time delay
(0.25–16000.00 cycles in 0.25-cycle steps)
UBDURD =
DCUB duration time delay
(0.00–16000.00 cycles in 0.25-cycle steps)
UBEND =
DCB Trip Scheme Settings (See Figure 5.14 )
(Make the following settings if preceding enable setting ECOMM = DCB.)
Zone (level) 3 reverse pickup time delay
(0.00–16000.00 cycles in 0.25 cycle steps)
Z3XPU =
Zone (level) 3 reverse dropout extension
(0.00–16000.00 cycles in 0.25 cycle steps)
Z3XD =
Block trip receive extension
(0.00–16000.00 cycles in 0.25-cycle steps)
BTXD =
Level 2 phase short delay
(0.00–60.00 cycles in 0.25-cycle steps)
67P2SD =
Level 2 neutral ground short delay
(0.00–60.00 cycles in 0.25-cycle steps)
67N2SD =
Level 2 residual ground short delay
(0.00–60.00 cycles in 0.25-cycle steps)
67G2SD =
Level 2 negative-sequence short delay
(0.00–60.00 cycles in 0.25-cycle steps)
67Q2SD =
Demand Metering Settings (See Figure 8.11 and Figure 8.13 )
(Make the following settings, whether preceding enable setting EDEM = THM or ROL.)
Time constant (5, 10, 15, 30, 60 minutes) DMTC =
Phase pickup
(OFF, 0.50–16.00 A {5 A nom.}, 0.10–3.20 A {1 A nom.})
PDEMP =
Neutral-ground pickup—channel IN
(OFF, 0.500–16.000 A {5 A nom.},
0.100–3.200 A {1 A nom.},
0.005–0.640 A {0.2 A nom.},
0.005–0.160 A {0.05 A nom.})
NDEMP =
Residual-ground pickup
(OFF, 0.10–16.00 A {5 A nom.}, 0.02–3.20 A {1 A nom.})
GDEMP =
Negative-sequence pickup
(OFF, 0.50–16.00 A {5 A nom.}, 0.10–3.20 A {1 A nom.})
QDEMP =