ABB RED615 Product Manual page 29

ABB
Line Differential Protection and Control
RED615
Product version: 2.0
Table 25. Line differential protection (LNPLDF) main settings
Parameter
High operate value
Low operate value
Operate delay time
Operate curve type
Time multiplier
Start value 2.H
CT ratio correction
Table 26. Binary signal transfer (BSTGGIO)
Characteristic
Signalling delay
Values (Range)
200...4000
10...200
45...200000
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
0.05...15.00
10...50
0.200...5.000
Unit Description
% I Instantaneous stage operate
n
value
% I Basic setting for the
n
stabilized stage start
ms Operate delay time for
stabilized stage
Selection of time delay
curve for stabilized stage
Time multiplier in IDMT
curves
% The ratio of the 2.
harmonic component to
fundamental component
required for blocking
Remote phase current
transformer ratio correction
Value
< 5 ms
1MRS756500 B
Issued: 03.07.2009
29