Function Block - ABB REG650 Technical Manual

Section 7
Impedance protection
7.1.3
7.1.4
134
jX
Operation area Operation area
Operation area
No operation area No operation area
en07000117.vsd
IEC07000117 V1 EN
Figure 57: Load encroachment influence on the offset mho Z3 characteristic

Function block

ZGCPDIS (21G)
I3P* TRIP
V3P* TRZ1
BLOCK TRZ2
BLKZ TRZ3
LDCND PICKUP
PU_Z1
PU_Z2
Z3_PU
ANSI10000122-2-en.vsd
ANSI10000122 V2 EN
Figure 58: ZGCPDIS (21G) function block
Signals
Table 40: ZGCPDIS (21G) Input signals
Name Type
I3P GROUP
SIGNAL
V3P GROUP
SIGNAL
BLOCK BOOLEAN
BLKZ BOOLEAN
LDCND INTEGER
R
Default Description
- Three phase group signal for current
- Three phase group signal for voltage
0 Block of function
0 Block due to Fuse Fail
56 Load enchroachment binary coded release
1MRK 502 043-UUS B
Technical Manual