Table 205: NS4PTOC (46I2) Output signals
Name Type Description
TRIP BOOLEAN Trip
TRST1 BOOLEAN Trip signal from step 1
TRST2 BOOLEAN Trip signal from step 2
TRST3 BOOLEAN Trip signal from step 3
TRST4 BOOLEAN Trip signal from step 4
PICKUP BOOLEAN General pickup signal
PU_ST1 BOOLEAN Pickup signal step 1
PU_ST2 BOOLEAN Pickup signal step 2
PU_ST3 BOOLEAN Pickup signal step 3
PU_ST4 BOOLEAN Pickup signal step 4
PUFW BOOLEAN Forward directional pickup signal
PUREV BOOLEAN Reverse directional pickup signal
7.5.5 Setting parameters
Table 206: NS4PTOC (46I2) Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Disable/Enable Operation
IBase 1 - 99999 A 1 3000 Base value for current settings
VBase 0.05 - 2000.00 kV 0.05 400 Base value for voltage settings
AngleRCA -180 - 180 Deg 1 65 Relay characteristic angle (RCA)
polMethod Voltage
Dual
- - Voltage Type of polarization
VPolMin 1 - 100 %VB 1 5 Minimum voltage level for polarization in % of
VBase
IPolMin 2 - 100 %IB 1 5 Minimum current level for polarization in % of
IBase
RPol 0.50 - 1000.00 ohm 0.01 5.00 Real part of neg. seq. source imp. to be used
for current polarisation
XPol 0.50 - 3000.00 ohm 0.01 40.00 Imaginary part of neg. seq. source imp. to be
used for current polarisation
I>Dir 1 - 100 %IB 1 10 Neg. seq. curr. I2 level for Direction release in
% of IBase
DirModeSel1 Disabled
Non-directional
Forward
Reverse
- - Non-directional Directional mode of step 1 (Disabled, Nondir,
Forward, Reverse)
Table continues on next page
Section 7 1MRK505222-UUS C
Current protection
430
Technical reference manual
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