ABB RET615 Product Manual page 36

Transformer Protection and Control
RET615
Product version: 2.0
Table 41. Arc protection (ARCSARC) main settings
Parameter
Phase start value
(Operating phase
current)
Ground start value
(Operating residual
current)
Operation mode
Table 42. Operation characteristics
Parameter
Operating curve type
Operating curve type (voltage protection)
36
Function
ARCSARC
ARCSARC
ARCSARC
Value (Range)
0.50...40.00 x I
n
0.05...8.00 x I
n
1=Light+current
2=Light only
3=BI controlled
Values (Range)
1=ANSI Ext. inv.
2=ANSI Very. inv.
3=ANSI Norm. inv.
4=ANSI Mod inv.
5=ANSI Def. Time
6=L.T.E. inv.
7=L.T.V. inv.
8=L.T. inv.
9=IEC Norm. inv.
10=IEC Very inv.
11=IEC inv.
12=IEC Ext. inv.
13=IEC S.T. inv.
14=IEC L.T. inv
15=IEC Def. Time
17=Programmable
18=RI type
19=RD type
5=ANSI Def. Time
15=IEC Def. Time
17=Inv. Curve A
18=Inv. Curve B
19=Inv. Curve C
20=Programmable
21=Inv. Curve A
22=Inv. Curve B
23=Programmable
1MRS756891 B
Issued: 01.10.2009
Step
0.01
0.01
ABB