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
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