Settings - ABB RELION 620 Series Technical Manual

1MAC504801-IB E
4.6.2.9
Table 346: 87T3 Group settings
Parameter Values (Range)
High trip value 500...3000
Enable high set 0=False
1=True
Low trip value 5...50
Slope section 2 10...50
End section 2 100...500
Restraint mode -1=2.h + 5.h + wav
5=Waveform
6=2.h + waveform
7=5.h + waveform
Pickup value 2.H 7...20
Pickup value 5.H 10...50
Stop value 5.H 10...50
Harmonic deblock 2. 0=False
1=True
Harmonic deblock 5. 0=False
1=True
620 series ANSI
Technical Manual
Name Type
I_C3 SIGNAL
BLOCK BOOLEAN
BLK_OPR_LS BOOLEAN
BLK_OPR_HS BOOLEAN
Table 345: 87T3 Output signals
Name Type
TRIP BOOLEAN
OPR_LS BOOLEAN
OPR_HS BOOLEAN
BLKD2H BOOLEAN
BLKD5H BOOLEAN
BLKDWAV BOOLEAN

Settings

Unit Step
%Ir 10
%Ir 1
% 1
%Ir 1
% 1
% 1
% 1
Default Description
0 Current ID for getting current values for phase 3, tertiary
side or LV restraint
0=False Block
0=False Blocks trip outputs from biased stage
0=False Blocks trip outputs from instantaneous stage
Description
Trip combined
Trip from low set
Trip from high set
2nd harmonic restraint block status
5th harmonic restraint block status
Waveform blocking status
Default Description
1000 Instantaneous stage setting
1=True Enable high set stage
20 Basic setting for biased operation
30 Slope of the second line of the operating
characteristics
150 Turn-point between the second and the third
line of the operating characteristics
-1=2.h + 5.h + wav Restraint mode
15 2. harmonic blocking ratio
35 5. harmonic blocking ratio
35 5. harmonic blocking ratio
1=True 2. harmonic deblocking in case of switch on to
fault
0=False 5. harmonic deblocking in case of severe
overvoltage
Section 4
Protection functions
451