ABB RED650 - Page 191

Name Values (Range) Unit Step Default Description
IPolMin 2 - 100 %IB 1 5 Minimum current level for polarization in
% of IBase
RNPol 0.50 - 1000.00 Ohm 0.01 5.00 Real part of source impedance used for
current polarisation
XNPol 0.50 - 3000.00 Ohm 0.01 40.00 Imaginary part of source imp. used for
current polarisation
IN>Dir 1 - 100 %IB 1 10 Residual current level in % of IBase for
Direction release
2ndHarmStab 5 - 100 % 1 20 Operate level of 2nd harmonic curr in %
of fundamental curr
BlkParTransf Off
On
- - Off Enable blocking at energizing of parallel
transformers
UseStartValue IN1>
IN2>
IN3>
IN4>
-
- IN4> Current level blk at parallel transf (step1,
2, 3 or 4)
SOTF Off
SOTF
UnderTime
SOTF&UnderTime
-
- Off SOTF operation mode (Off/SOTF/
Undertime/SOTF&Undertime)
ActivationSOTF Open
Closed
CloseCommand
-
- Open Select signal to activate SOTF: CB-
Open/ -Closed/ -Close cmd
StepForSOTF Step 2
Step 3
- - Step 2 Select start from step 2 or 3 to start
SOTF
HarmBlkSOTF Off
On
- - Off Enable harmonic restrain function in
SOTF
tSOTF 0.000 - 60.000 s 0.001 0.200 Time delay for SOTF
t4U 0.000 - 60.000 s 0.001 1.000 Switch-onto-fault active time
ActUnderTime CB position
CB command
- - CB position Select signal to activate under time (CB
Pos / CB Command)
tUnderTime 0.000 - 60.000 s 0.001 0.300 Time delay for under time
DirMode1 Off
Non-directional
Forward
Reverse
-
- Non-directional Directional mode of step 1 (Off, Non-dir,
Forward, Reverse)
Table continues on next page
1MRK 505 394-UEN A Section 8
Current protection
Line differential protection RED650 2.2 IEC 185
Technical manual