ABB Relion 620 Series - Page 613

4.4.1.7 Settings
Table 541: NSPTOC Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Start value 0.01...5.00 xIn 0.01 0.30 Start value
Start value Mult 0.8...10.0 0.1 1.0 Multiplier for scal-
ing the start value
Time multiplier 0.05...15.00 0.01 1.00 Time multiplier
in IEC/ANSI IDMT
curves
Operate delay time 40...200000 ms 10 40 Operate delay time
Operating curve
type
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
15=IEC Def. Time Selection of time
delay curve type
Table 542: NSPTOC Group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Type of reset curve
1=Immediate
2=Def time reset
3=Inverse reset
1=Immediate Selection of reset
curve type
Table 543: NSPTOC Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Curve parameter A 0.0086...120.0000 1 28.2000 Parameter A for
customer program-
mable curve
Curve parameter B 0.0000...0.7120 1 0.1217 Parameter B for
customer program-
mable curve
Curve parameter C 0.02...2.00 1 2.00 Parameter C for
customer program-
mable curve
Table continues on the next page
1MRS757644 H Protection functions
620 series
Technical Manual
613