ABB Relion 670 Series Technical Reference Manual page 847

1MRK505222-UUS C
13.8.4.3
13.8.4.4
13.8.4.5
Table 460: SCCVPTOC (51) Group settings (basic)
Name Values (Range)
Operation Disabled
Enabled
IBase 1 - 99999
IPickup 0 - 100
tHold 0.000 - 60.000
Technical reference manual
If the above criteria becomes true for a time of tDelay, then respective RI output is
activated provided the BLOCK input is false, and the respective TRIP outputs is
activated for the time of tHold provided the BLKTR and BLOCK input is false.
Function block
SCCVPTOC (51)
I3P* TRIP
BLOCK RI
BLKTR
ANSI09000765-1-en.vsd
ANSI09000765 V1 EN
Figure 419: SCCVPTOC (51) function block
Input and output signals
Table 458: SCCVPTOC (51) Input signals
Name Type
I3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKTR BOOLEAN
Table 459: SCCVPTOC (51) Output signals
Name Type
TRIP BOOLEAN
RI BOOLEAN
Setting parameters
Unit Step
- -
A 1
%IB 1
s 0.001
Scheme communication
Default Description
- Three phase to phase current samples group
0 Block of function
0 Block trip signals
Description
Common trip signal
Common start signal
Default Description
Disabled Operation Off/On
3000 Base setting for current in A
20 Fixed threshold setting in % of IBase
0.500 Hold time for operate signals
Section 13
841