Settings - ABB RELION 670 Series Technical Manual

Section 8
Current protection
The stub protection STBPTOC (50STB) covers the zone between the current transformers and the
open disconnector. The three-phase instantaneous overcurrent function is released from a
normally open, 89b auxiliary contact on the line disconnector.
8.9.3 Function block
STBPTOC (50STB)
I3P*
BLOCK
BLKTR
ENABLE
ANSI05000678 V2 EN-US
Figure 282: STBPTOC (50STB) function block
8.9.4 Signals
Table 263: STBPTOC (50STB) Input signals
Name
I3P
BLOCK
BLKTR
ENABLE
Table 264: STBPTOC (50STB) Output signals
Name
TRIP
PICKUP
8.9.5

Settings

Table 265: STBPTOC (50STB) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
EnableMode Release
Continuous
IPickup 5 - 2500
534
TRIP
PICKUP
ANSI05000678-2-en.vsd
Type Default
GROUP -
SIGNAL
BOOLEAN 0
BOOLEAN 0
BOOLEAN 0
Type
BOOLEAN
BOOLEAN
Unit
-
-
%IB
Description
Three phase currents
Block of function
Block of trip
Enable stub protection usually with open disconnect switch (89b)
Description
General trip
Pickup
Step Default
- Disabled
- Release
1 200
1MRK 502 066-UUS B
Description
Operation Disabled/Enabled
Enable stub protection usually with open
disconnect switch (89b)
Pickup current level in % of IBase
Technical manual
M12524-3 v5
PID-3462-INPUTSIGNALS v5
PID-3462-OUTPUTSIGNALS v5
PID-3462-SETTINGS v5