Function Block; Signals - ABB REG650 Technical Manual

Section 5
Differential protection
5.3.3
5.3.4
100

Function block

GENPDIF
I3PNCT* TRIP
I3PTCT* TRIPRES
BLOCK TRIPUNRE
BLKRES TRNSUNR
BLKUNRES TRNSSENS
BLKNSUNR START
BLKNSSEN BLKH
DESENSIT OPENCT
OPENCTAL
IDL1MAG
IDL2MAG
IDL3MAG
IDNSMAG
IBIAS
IEC07000025_2_en.vsd
IEC07000025 V2 EN
Figure 46: GENPDIF function block

Signals

Table 28: GENPDIF Input signals
Name Type
I3PNCT GROUP
SIGNAL
I3PTCT GROUP
SIGNAL
BLOCK BOOLEAN
BLKRES BOOLEAN
BLKUNRES BOOLEAN
BLKNSUNR BOOLEAN
BLKNSSEN BOOLEAN
DESENSIT BOOLEAN
Table 29: GENPDIF Output signals
Name Type
TRIP BOOLEAN
TRIPRES BOOLEAN
TRIPUNRE BOOLEAN
TRNSUNR BOOLEAN
TRNSSENS BOOLEAN
START BOOLEAN
BLKH BOOLEAN
OPENCT BOOLEAN
Table continues on next page
Default Description
- Neutral side CT input
- Terminal side CT input
0 Block of function
0 Block of trip from the restrained diff. protection
0 Block of trip from unrestrained diff. prot.
0 Block of trip for unrestr. neg. seq. differential
feature
0 Block of trip for sensitive neg. seq. differential
feature
0 Raise pick up: function temporarily desensitized
Description
General, common trip signal
Trip signal from restrained differential protection
Trip signal from unrestrained differential protection
Trip signal from unrestr. neg. seq. diff. protection
Trip signal from sensitive neg. seq. diff. protection
Common start signal from any phase
Common harmonic block signal
An open CT was detected
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