Signals - ABB Relion Technical Manual

Section 8
Current protection
8.10.4
274

Signals

Table 147: VRPVOC (51V) Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKOC BOOLEAN
BLKUV BOOLEAN
Table 148: VRPVOC (51V) Output signals
Name Type
TRIP BOOLEAN
TROC BOOLEAN
TRUV BOOLEAN
START BOOLEAN
STOC BOOLEAN
STUV BOOLEAN
IMAX REAL
UUMIN REAL
Default Description
- Three phase group signal for current inputs
- Three phase group signal for voltage inputs
0 Block of function both stages
0 Block of voltage restraint overcurrent stage (ANSI 51V)
0 Block of under voltage function
Description
Common trip signal
Trip signal from voltage restraint overcurrent stage
Trip signal from undervoltage function
General pickup signal
Pick up signal from voltage restraint overcurrent stage
Pick up signal from undervoltage function
Maximum phase current magnitude
Minimum ph-to-ph voltage magnitude
1MRK 502 048-UUS A
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