ABB REG670 - Page 383

Name Values (Range) Unit Step Default Description
Characterist1 ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. inv.
ANSI Mod. inv.
ANSI Def. Time
L.T.E. inv.
L.T.V. inv.
L.T. inv.
IEC Norm. inv.
IEC Very inv.
IEC inv.
IEC Ext. inv.
IEC S.T. inv.
IEC L.T. inv.
IEC Def. Time
Reserved
Programmable
RI type
RD type
- - ANSI Def. Time Time delay characteristic for step 1
I2-1> 1 - 2500 %IB 1 100 Negative sequence current op level for
step 1 in % of IBase
t1 0.000 - 60.000 s 0.001 0.000 Time delay of step 1 when definite time
char. is selected
k1 0.05 - 999.00 - 0.01 0.05 Time multiplier for the step 1 selected time
characteristic
IMin1 1.00 - 10000.00 %IB 1.00 100.00 Minimum current for step 1
t1Min 0.000 - 60.000 s 0.001 0.000 Minimum operate time for inverse time
characteristic step 1
I1Mult 1.0 - 10.0 - 0.1 2.0 Multiplier for scaling the current setting
value for step 1
DirMode2 Off
Non-directional
Forward
Reverse
-
- Non-directional Directional mode of step 2 (off, nodir,
forward, reverse)
Characterist2 ANSI Ext. inv.
ANSI Very inv.
ANSI Norm. inv.
ANSI Mod. inv.
ANSI Def. Time
L.T.E. inv.
L.T.V. inv.
L.T. inv.
IEC Norm. inv.
IEC Very inv.
IEC inv.
IEC Ext. inv.
IEC S.T. inv.
IEC L.T. inv.
IEC Def. Time
Reserved
Programmable
RI type
RD type
- - ANSI Def. Time Time delay characteristic for step 2
I2-2> 1 - 2500 %IB 1 50 Negative sequence current op level for
step 2 in % of IBase
t2 0.000 - 60.000 s 0.001 0.400 Time delay of step 2 when definite time
char. is selected
Table continues on next page
1MRK502052-UEN B Section 8
Current protection
377
Technical manual