Function Block; Signals - ABB REG650 Technical Manual

1MRK 502 034-UEN -
7.10.3
7.10.4
Technical Manual
One undervoltage step with definite time characteristic is also available with the
function in order to provide funcionality for overcurrent protection with
undervoltage seal-in.

Function block

VR2PVOC
I3P* TRIP
U3P* TROC
BLOCK TRUV
BLKOC START
BLKUV STOC
STUV
IMAX
UUMIN
IEC10000118-1-en.vsd
IEC10000118 V1 EN
Figure 109: VR2PVOC function block

Signals

Table 119: VR2PVOC Input signals
Name Type
I3P GROUP
SIGNAL
U3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKOC BOOLEAN
BLKUV BOOLEAN
Table 120: VR2PVOC 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
General trip signal
Trip signal from voltage restraint overcurrent stage
Trip signal from undervoltage function
General start signal
Start signal from voltage restraint overcurrent
stage
Start signal from undervoltage function
Maximum phase current magnitude
Minimum ph-to-ph voltage magnitude
Section 7
Current protection
211