Schweitzer Engineering Laboratories SEL-751 - Page 380

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SEL-751 Settings Sheets Date________________
Group Settings (SET Command) Harmonic Blocking
SEL-751 Relay Instruction Manual Date Code 20170927
Harmonic Blocking
Load Encroachment
(Hidden if Slot Z = Ax)
High-Impedance Fault (HIF) Detection
(Hidden if firmware option in the MOT is 0, 1, 2, 4, 6, or 7 or if Slot Z = Ax)
RTD
2ND HARM BLOCK (Y, N) EHBL2 :=
2ND HARM PU (5–100%) (Hidden if EHBL2 := N) HBL2P :=
2ND HARM PU DLY (0.00–320.00 s) (Hidden if EHBL2 := N) HBL2PU :=
2ND HARM DO DLY (0.00–320.00 s) (Hidden if EHBL2 := N) HBL2DO :=
2ND HARM TC (SELOGIC) (Hidden if EHBL2 := N) HBL2TC :=
5TH HARM BLOCK (Y, N) EHBL5 :=
5TH HARM PU (5–100%) (Hidden if EHBL5 := N) HBL5P :=
5TH HARM PU DLY (0.00–320.00 s) (Hidden if EHBL5 := N) HBL5PU :=
5TH HARM DO DLY (0.00–320.00 s) (Hidden if EHBL5 := N) HBL5DO :=
5TH HARM TC (SELOGIC) (Hidden if EHBL5 := N) HBL5TC :=
LOAD ENCROACH EN (Y, N) (Hidden and set to N if VNOM := OFF) ELOAD :=
(The following load encroachment settings are hidden if ELOAD := N
FWD LD IMPEDANCE (0.10–128.00 ohm {5 A nom},
0.50 to 640.00 ohm {1 A nom}) ZLF :=
POS-FWD LD ANGLE (–90.00 to 90.00 deg)
(PLAF must be greater than or equal to NLAF) PLAF :=
NEG-FWD LD ANGLE (–90.00 to 90.00 deg)
(PLAF must be greater than or equal to NLAF) NLAF :=
REV LD IMPEDANCE (0.10–128.00 ohm {5 A nom},
0.50 to 640.00 ohm {1 A nom}) ZLR :=
POS-REV LD ANGLE (90.00–270.00 deg)
(PLAR must be less than or equal to NLAR) PLAR :=
NEG-REV LD ANGLE (90.00–270.00 deg)
(PLAR must be less than or equal to NLAR) NLAR :=
HIF EN (Y, N, T) EHIF :=
(The following high-impedance fault detection settings are hidden if EHIF := N)
HIF DETECTION SENSITIVITY (SEL
OGIC) HIFMODE :=
HIF EVENT REPORT EXT. TRIGGER (SELOGIC) HIFER :=
BEGIN 24 HOUR INITIAL HIF TUNING (SELOGIC) HIFITUNE :=
RTD ENABLE (INT, EXT, NONE) E49RTD :=
(All RTD settings are hidden if E49RTD := NONE)
RTD1 LOCATION (OFF, WDG, BRG, AMB, OTH) RTD1LOC :=
RTD1 TYPE (PT100, NI100, NI120, CU10) (Hidden if RTD1LOC := OFF) RTD1TY :=
RTD1 TRIP LEVEL (OFF, 1–250°C) (Hidden if RTD1LOC := OFF) TRTMP1 :=
RTD1 WARN LEVEL (OFF, 1–250°C) (Hidden if RTD1LOC := OFF) ALTMP1 :=