Schweitzer Engineering Laboratories SEL-751 - Page 389

Date Code 20170927 Instruction Manual SEL-751 Relay
SET.17
of 78
Date _______________ SEL-751 Settings Sheets
Rate-of-Change of Frequency Group Settings (SET Command)
Rate-of-Change of Frequency
(Hidden if Slot Z = Ax)
Fast Rate-of-Change of Frequency
(Hidden if Slot Z = Ax)
ENABLE 81R (N, 1–4) E81R :=
(The following rate-of-change-of-frequency settings are hidden if E81R := N)
81R VOLTAGE SUP (OFF, 12.5–300.0 V) 81RVSUP :=
81R CURRENT SUP (OFF, 0.5–10.0 A {5 A nom}, 0.1–2.0 A {1 A nom}) 81RISU P :=
81R1 TRIP LEVEL (OFF, 0.10–15.00 Hz/s) 81R1TP :=
81R1 TREND (INC, DEC, ABS) (Hidden if 81R1TP := OFF) 81R1TRND :=
81R1 TRIP DELAY (0.10–60.00 s) (Hidden if 81R1TP := OFF) 81R1TD :=
81R1 DO DELAY (0.00–60.00 s) (Hidden if 81R1TP := OFF) 81R1DO :=
81R1 TRQ CTRL (SELOGIC) (Hidden if 81R1TP := OFF) 81R1TC :=
81R2 TRIP LEVEL (OFF, 0.10–15.00 Hz/s) (Hidden if E81R < 2 ) 81R2TP :=
81R2 TREND (INC, DEC, ABS) (Hidden if 81R2TP := OFF) 81R2TRND :=
81R2 TRIP DELAY (0.10–60.00 s) (Hidden if 81R2TP := OFF) 81R2TD :=
81R2 DO DELAY (0.00–60.00 s) (Hidden if 81R2TP := OFF) 81R2DO :=
81R2TRQ CTRL (SELOGIC) (Hidden if 81R2TP := OFF or E81R < 2) 81R2TC :=
81R3 TRIP LEVEL (OFF, 0.10–15.00 Hz/s) (Hidden if E81R < 3 ) 81R3TP :=
81R3 TREND (INC, DEC, ABS) (Hidden if 81R3TP := OFF) 81R3TRND :=
81R3 TRIP DELAY (0.10–60.00 s) (Hidden if 81R3TP := OFF) 81R3TD :=
81R3 DO DELAY (0.00–60.00 s) (Hidden if 81R3TP := OFF) 81R3DO :=
81R3 TRQ CTRL (SELOGIC) (Hidden if 81R3TP := OFF or E81R < 3) 81R3TC :=
81R4 TRIP LEVEL (OFF, 0.10–15.00 Hz/s) (Hidden if E81R < 4 ) 81R4TP :=
81R4 TREND (INC, DEC, ABS) (Hidden if 81R4TP := OFF) 81R4TRND :=
81R4 TRIP DELAY (0.10–60.00 s) (Hidden if 81R4TP := OFF) 81R4TD :=
81R4 DO DELAY (0.00–60.00 s) (Hidden if 81R4TP := OFF) 81R4DO :=
81R4 TRQ CTRL (SELOGIC) (Hidden if 81R4TP := OFF or E81R < 4) 81R4TC :=
ENABLE 81RF (Y, N) E81RF :=
(The following fast rate-of-change-of-frequency settings are hidden if E81RF := N)
FREQDIF SETPOINT (0.1–10.0 Hz) 81RFDFP :=
DFDT SETPOINT (0.2–15.0 Hz/s) 81RFRP :=
81RF PU DELAY (0.10–1.00 s) 81RFPU :=
81RF DO DELAY (0.0–1.00 s) 81RFDO :=
81RF VOLTAGE BLK (OFF, 2.00–300.00 V [DELTA_Y := DELTA] or 2.00–520.00 V
[DELTA_Y := WYE]) 81RFVBLK :=
81RF CURRENT BLK (OFF, 0.5–100.0 A {5 A nom}, 0.1–20.0 A {1 A nom}) 81RFIBLK :=
81RF BLOCK (SELOGIC) 81RFBL :=
81RF BLOCK DO (0.02–5.00 s) 81RFBLDO :=