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 506 382-UEN A
Section 7
Current protection
Line distance protection REL650 2.2 IEC
185
Technical manual
Summary of Contents for RELION 650 SERIES
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