ABB Relion 670 Series Technical Reference Manual page 436

Section 7
Current protection
7.5.5
Table 206: NS4PTOC (46I2) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IBase 1 - 99999
VBase 0.05 - 2000.00
AngleRCA -180 - 180
polMethod Voltage
Dual
VPolMin 1 - 100
IPolMin 2 - 100
RPol 0.50 - 1000.00
XPol 0.50 - 3000.00
I>Dir 1 - 100
DirModeSel1 Disabled
Non-directional
Forward
Reverse
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Table 205: NS4PTOC (46I2) Output signals
Name Type
TRIP BOOLEAN
TRST1 BOOLEAN
TRST2 BOOLEAN
TRST3 BOOLEAN
TRST4 BOOLEAN
PICKUP BOOLEAN
PU_ST1 BOOLEAN
PU_ST2 BOOLEAN
PU_ST3 BOOLEAN
PU_ST4 BOOLEAN
PUFW BOOLEAN
PUREV BOOLEAN
Setting parameters
Unit Step
- -
A 1
kV 0.05
Deg 1
- -
%VB 1
%IB 1
ohm 0.01
ohm 0.01
%IB 1
- -
Description
Trip
Trip signal from step 1
Trip signal from step 2
Trip signal from step 3
Trip signal from step 4
General pickup signal
Pickup signal step 1
Pickup signal step 2
Pickup signal step 3
Pickup signal step 4
Forward directional pickup signal
Reverse directional pickup signal
Default Description
Disabled Disable/Enable Operation
3000 Base value for current settings
400 Base value for voltage settings
65 Relay characteristic angle (RCA)
Voltage Type of polarization
5 Minimum voltage level for polarization in % of
VBase
5 Minimum current level for polarization in % of
IBase
5.00 Real part of neg. seq. source imp. to be used
for current polarisation
40.00 Imaginary part of neg. seq. source imp. to be
used for current polarisation
10 Neg. seq. curr. I2 level for Direction release in
% of IBase
Non-directional Directional mode of step 1 (Disabled, Nondir,
Forward, Reverse)
1MRK505222-UUS C
Technical reference manual