Table 332: LNPLDF Output signals
Name Type Description
OPERATE BOOLEAN Operate, local or remote, stabilized or
instantaneous stage
START BOOLEAN Start, local or remote
STR_LS_LOC BOOLEAN Start stabilized stage local
STR_LS_REM BOOLEAN Start stabilized stage remote
OPR_LS_LOC BOOLEAN Operate stabilized stage local
OPR_LS_REM BOOLEAN Operate stabilized stage remote
OPR_HS_LOC BOOLEAN Operate instantaneous stage local
OPR_HS_REM BOOLEAN Operate instantaneous stage remote
BLKD2H_LOC BOOLEAN Restraint due 2nd harmonics detected local
BLKD2H_REM BOOLEAN Restraint due 2nd harmonics detected remote
PRO_ACTIVE BOOLEAN Status of the protection, true when function is
operative
4.3.1.8 Settings
Table 333: LNPLDF Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Low operate value 10...200 %Ir 1 10 Basic setting for the stabilized stage start
High operate value 200...4000 %Ir 1 2000 Instantaneous stage operate value
Start value 2.H 10...50 % 1 20 The ratio of the 2. harmonic component
to fundamental component required for
blocking
High Op value Mult 0.5...1.0 0.1 1.0 Multiplier for scaling the high stage
operate value
Time multiplier 0.05...15.00 0.01 1.00 Time multiplier in IDMT curves
End section 1 0...200 %Ir 1 100 Turn-point between the first and the
second line of the operating
characteristics
Slope section 2 10...50 % 1 50 Slope of the second line of the operating
characteristics
End section 2 200...2000 %Ir 1 500 Turn-point between the second and the
third line of the operating characteristics
Slope section 3 100...200 % 1 150 Slope of the third line of the operating
characteristics
Operating curve type 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
15=IEC Def. Time Selection of time delay curve for
stabilized stage
Operate delay time 45...200000 ms 1 45 Operate delay time for stabilized stage
Section 4 1YHT530004D05 D
Protection functions
380 615 series
Technical Manual
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