Settings - ABB RELION REX640 Technical Manual

Section 4
Protection functions
4.3.1.9
Table 575: LNPLDF Group settings (Basic)
Parameter
Low operate value
High operate value
Start value 2.H
High Op value Mult
Time multiplier
End section 1
Slope section 2
End section 2
Slope section 3
Operating curve type
Operate delay time
588
Table 574: LNPLDF Output signals
Name
OPERATE
START
STR_LS_LOC
STR_LS_REM
OPR_LS_LOC
OPR_LS_REM
OPR_HS_LOC
OPR_HS_REM
BLKD2H_LOC
BLKD2H_REM
PRO_ACTIVE

Settings

Values (Range) Unit
10...200 %Ir
200...4000 %Ir
10...50 %
0.5...1.0
0.05...15.00
0...200 %Ir
10...50 %
200...2000 %Ir
10...200 %
1=ANSI Ext. inv.
3=ANSI Norm. inv.
5=ANSI Def. Time
9=IEC Norm. inv.
10=IEC Very inv.
12=IEC Ext. inv.
15=IEC Def. Time
45...200000 ms
Type Description
BOOLEAN Operate, local or remote, stabilized or
instantaneous stage
BOOLEAN Start, local or remote
BOOLEAN Start stabilized stage local
BOOLEAN Start stabilized stage remote
BOOLEAN Operate stabilized stage local
BOOLEAN Operate stabilized stage remote
BOOLEAN Operate instantaneous stage local
BOOLEAN Operate instantaneous stage remote
BOOLEAN Restraint due 2nd harmonics detected local
BOOLEAN Restraint due 2nd harmonics detected remote
BOOLEAN Status of the protection, true when function is
operative
Step Default
1 10
1 2000
1 20
0.1 1.0
0.01 1.00
1 100
1 50
1 500
1 150
15=IEC Def. Time
1 45
1MRS759142 C
Description
Basic setting for the stabilized stage start
Instantaneous stage operate value
The ratio of the 2. harmonic component to
fundamental component required for
blocking
Multiplier for scaling the high stage
operate value
Time multiplier in IDMT curves
Turn-point between the first and the
second line of the operating
characteristics
Slope of the second line of the operating
characteristics
Turn-point between the second and the
third line of the operating characteristics
Slope of the third line of the operating
characteristics
Selection of time delay curve for stabilized
stage
Operate delay time for stabilized stage
Technical Manual
REX640