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SET.2
of 68
SEL-787 Settings Sheets
Group Settings (SET Command)
SEL-787 Relay
Instruction Manual
Date Code 20081022
Date _______________
Group______________
Differential
XFMR DIFF ENABLE (Y, N)
(All Differential settings below are
hidden if E87 := N)
E87
:=
Note: TAP1 and TAP2 are autoset by relay if MVA setting is not OFF.
WDG1 CURR TAP (0.1–6.2 A [1 A nom.],
0.5–31.0 A [5 A nom.])
TAP1
:=
WDG2 CURR TAP (0.1–6.2 A [1 A nom.],
0.5–31.0 A [5 A nom.])
TAP2
:=
OPERATE CURR LVL (0.10–1.00 TAP)
O87P
:=
DIFF CURR AL LVL (OFF, 0.05–1.00 TAP)
87AP
:=
DIFF CURR AL DLY (1.0–120.0 sec.)
(Hidden if 87AP := OFF)
87AD
:=
RESTRAINT SLOPE1 (5–90 %)
SLP1
:=
RESTRAINT SLOPE2 (5–90 %%)
SLP2
:=
RES SLOPE1 LIMIT (1.0–20.0 TAP)
IRS1
:=
UNRES CURR LVL (1.0–20.0 TAP)
U87P
:=
2ND HARM BLOCK (OFF, 5–100 %)
PCT2
:=
4TH HARM BLOCK (OFF, 5–100 %)
PCT4
:=
5TH HARM BLOCK (OFF, 5–100 %)
PCT5
:=
5TH HARM AL LVL (OFF, 0.02–3.20 TAP)
TH5P
:=
5TH HARM AL DLY (0.0–120.0 s)
(Hidden if TH5P := OFF)
TH5D
:=
HARMONIC RESTRNT (Y, N)
HRSTR
:=
HARMONIC BLOCK (Y, N)
HBLK
:=
Restricted Earth Fault
(Hidden if neutral CT is not included.)
POL QTY FROM WDG (OFF, 1, 2, 12)
REF1POL :=
REF1 TRQ CTRL (SEL
OGIC
)
REF1TC
:=
REF1 CURR LEVEL (0.05–3.00 pu)
50REF1P
:=
Winding 1 Maximum Phase Overcurrent
PHASE IOC LEVEL (OFF, 0.50–96.00 A [5 A nom.],
0.10–19.20 A [1 A nom.]
50P11P
:=
PHASE IOC DELAY (0.00–5.00 sec)
(Hidden if 50P11P := OFF)
50P11D
:=
PH IOC TRQCTRL (SEL
OGIC
)
(Hidden if 50P11P := OFF)
50P11TC
:=
PHASE IOC LEVEL (OFF, 0.50–96.00 A [5 A nom.],
0.10–19.20 A [1 A nom.])
50P12P
:=
PHASE IOC DELAY (0.00–5.00 sec)
(Hidden if 50P12P := OFF)
50P12D
:=
PH IOC TRQCTRL (SEL
OGIC
)
(Hidden if 50P12P := OFF)
50P12TC
:=
PHASE IOC LEVEL (OFF, 0.50–96.00 A [5 A nom.],
0.10–19.20 A [1 A nom.])
50P13P
:=
Summary of Contents for SEL-787
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