Name
Type
Description
PUFW
BOOLEAN
Pickup of directional function for a fault in forward
direction
PUREV
BOOLEAN
Pickup of directional function for a fault in reverse
direction
CND
INTEGER
Direction of fault. A general signal common to all three
mode of residual over current protection
VNREL
BOOLEAN
Residual voltage release of operation of all directional
modes
7.6.5
Setting parameters
Table 210:
SDEPSDE (67N) Group settings (basic)
Name
Values (Range)
Unit
Step
Default
Description
Operation
Disabled
Enabled
-
-
Disabled
Operation Disable / Enable
OpModeSel
3I0Cosfi
3I03V0Cosfi
3I0 and fi
-
-
3I0Cosfi
Selection of operation mode for protection
DirMode
Forward
Reverse
-
-
Forward
Direction of operation forward or reverse
RCADir
-179 - 180
Deg
1
-90
Relay characteristic angle RCA, in deg
RCAComp
-10.0 - 10.0
Deg
0.1
0.0
Relay characteristic angle compensation
ROADir
0 - 90
Deg
1
90
Relay open angle ROA used as release in
phase mode, in deg
INCosPhiPU
0.25 - 200.00
%IB
0.01
1.00
Set level for 3I0cosFi, directional res over
current, in %Ib
SN_PU
0.25 - 200.00
%SB
0.01
10.00
Set level for 3I03V0cosFi, pickup inv time
count, in %Sb
INDirPU
0.25 - 200.00
%IB
0.01
5.00
Set level for directional residual over current
prot, in %Ib
tDef
0.000 - 60.000
s
0.001
0.100
Definite time delay directional residual
overcurrent, in sec
SRef
0.03 - 200.00
%SB
0.01
10.00
Reference value of res power for inverse time
count, in %Sb
TDSN
0.00 - 2.00
-
0.01
0.10
Time multiplier setting for directional residual
power mode
OpINNonDir
Disabled
Enabled
-
-
Disabled
Operation of non-directional residual
overcurrent protection
INNonDirPU
1.00 - 400.00
%IB
0.01
10.00
Set level for non directional residual over
current, in %Ib
tINNonDir
0.000 - 60.000
s
0.001
1.000
Time delay for non-directional residual over
current, in sec
Table continues on next page
Section 7
1MRK505222-UUS C
Current protection
446
Technical reference manual
Summary of Contents for Relion 670 series
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