Sel 551 - Page 111

Date _______________
Date Code 20110408 Instruction Manual SEL-551 Relay
SET.5 of 12Settings Sheets for the SEL-551 Relay
Relay Settings (SET Command)
Close Failure Timer (see Figure 3.14)
Close Failure Time (0–54000 cycles in 0.125 cycle increments) CFD =
Demand Ammetering Settings (see Figure 3.24 and Figure 3.26)
Time Constant (5, 10, 15, 30, 60 minutes) DMTC =
Pickup Range
Phase Pickup
(OFF, 0.5–16.0 A in 0.1 A increments) (5 A nominal)
(OFF, 0.1–3.2 A in 0.1 A increments) (1 A nominal)
PDEMP =
Neutral Ground Pickup—channel IN
(OFF, 0.5–16.0 A in 0.1 A increments) (5 A nominal)
(OFF, 0.1–3.2 A in 0.1 A increments) (1 A nominal)
NDEMP =
Residual Ground Pickup
(OFF, 0.5–16.0 A in 0.1 A increments) (5 A nominal)
(OFF, 0.1–3.2 A in 0.1 A increments) (1 A nominal)
GDEMP =
Negative-Sequence Pickup
(OFF, 0.5–16.0 A in 0.1 A increments) (5 A nominal)
(OFF, 0.1–3.2 A in 0.1 A increments) (1 A nominal)
QDEMP =
SELOGIC
®
Variable Timers (see Figure 3.21)
SV5 Pickup Time (0–54000.000 cycles in 0.125-cycle steps) SV5PU =
SV5 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV5DO =
SV6 Pickup Time (0–54000.000 cycles in 0.125-cycle steps)
SV6PU =
SV6 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV6DO =
SV7 Pickup Time (0–54000.000 cycles in 0.125-cycle steps)
SV7PU =
SV7 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV7DO =
SV8 Pickup Time (0–54000.000 cycles in 0.125-cycle steps)
SV8PU =
SV8 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV8DO =
SV9 Pickup Time (0–54000.000 cycles in 0.125-cycle steps)
SV9PU =
SV9 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV9DO =
SV10 Pickup Time (0–54000.000 cycles in 0.125-cycle steps)
SV10PU =
SV10 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV10DO =
SV11 Pickup Time (0–54000.000 cycles in 0.125-cycle steps)
SV11PU =
SV11 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV11DO =
SV12 Pickup Time (0–54000.000 cycles in 0.125-cycle steps)
SV12PU =
SV12 Dropout Time (0–54000.000 cycles in 0.125-cycle steps)
SV12DO =