Schweitzer Engineering Laboratories SEL-751 - Page 388

SET.16
of 78
SEL-751 Settings Sheets Date________________
Group Settings (SET Command) Loss-of-Potential
SEL-751 Relay Instruction Manual Date Code 20170927
Loss-of-Potential
(Hidden if Slot Z = Ax)
Power Factor
(Hidden if Slot Z = Ax)
Vector Shift
(Hidden if Slot Z = Ax)
Frequency
LOP BLOCK (SELOGIC) LOPBLK :=
PF LAG TRIP LEVL (OFF, 0.05–0.99) 55LGTP :=
PF LD TRIP LEVEL (OFF, 0.05–0.99) 55LDTP :=
PF TRIP DELAY (1–240 s) (Hidden if both 55LDTP and 55LGTP := OFF) 55TD :=
PF LAG WARN LEVL (OFF, 0.05–0.99) 55LGAP :=
PF LD WARN LEVEL (OFF, 0.05–0.99) 55LDAP :=
PF WARN DELAY (1–240 s) (Hidden if both 55LDAP and 55LGAP := OFF) 55AD :=
PF ARMING DELAY (0–5000 s)
(Hidden if all 55LGTP, 55LDTP, 55LGAP, and 55LDAP := OFF) 55DLY :=
EN VECTOR SHIFT (Y, N) (Hidden when VNOM := OFF or SINGLEV :=Y ) E78VS :=
The following vector shift element settings are hidden if E78VS := N.
VS ANGLE PU THR (2.0–30.0 deg) 78VSAPU :=
VS VOLT SUPV THR (20.0–100.0 %) 78VS59 :=
VS BLOCK (SELOGIC) 78VSBL :=
FREQ1 TRIP LEVEL (OFF,
15.00–70.00 Hz) 81D1TP :=
FREQ1 TRIP DELAY (0.00–
240.00 s)
(Hidden if 81D1TP := OFF) 81D1TD :=
81D1 TRQCTRL (SELOGIC)
(Hidden if 81D1TP := OFF) 81D1TC :=
FREQ2 TRIP LEVEL
(OFF, 15.00–70.00 Hz) 81D2TP :=
FREQ2 TRIP DELAY
(0.00–240.00 s)
(Hidden if 81D2TP := OFF) 81D2TD :=
81D2 TRQCTRL (SELOGIC)
(Hidden if 81D2TP := OFF) 81D2TC :=
FREQ3 TRIP LEVEL (OFF,
15.00–70.00 Hz) 81D3TP :=
FREQ3 TRIP DELAY
(0.00–240.00 s)
(Hidden if 81D3TP := OFF) 81D3TD :=
81D3 TRQCTRL (SELOGIC)
(Hidden if 81D3TP := OFF) 81D3TC :=
FREQ4 TRIP LEVEL
(OFF, 15.00–70.00 Hz) 81D4TP :=
FREQ4 TRIP DELAY
(0.00–240.00 s)
(Hidden if 81D4TP := OFF) 81D4TD :=
81D4 TRQCTRL (SELOGIC)
(Hidden if 81D4TP := OFF) 81D4TC :=
FREQ5 TRIP LEVEL (OFF,
15.00–70.00 Hz) 81D5TP :=
FREQ5 TRIP DELAY
(0.00–240.00 s)
(Hidden if 81D5TP := OFF) 81D5TD :=
81D5 TRQCTRL (SELOGIC)
(Hidden if 81D5TP := OFF) 81D5TC :=
FREQ6 TRIP LEVEL (OFF,
15.00–70.00 Hz) 81D6TP :=
FREQ6 TRIP DELAY
(0.00–240.00 s)
(Hidden if 81D6TP := OFF) 81D6TD :=
81D6 TRQCTRL (SELOGIC)
(Hidden if 81D6TP := OFF) 81D6TC :=