ABB Relion 670 Series Technical Reference Manual page 452

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