ABB Relion 670 series - Setting Guidelines

The phase-to-phase measuring loops have actually nothing to do with phase preference
and are always enabled.
The ZREL output of the PPL2PHIZ function should be connected to the RELCNDZx
inputs of the High speed distance protection ZMFPDIS. Figure
250 shows how the
information from PPL2PHIZ is affecting the interior of the distance protection. As can be
seen from the figure, the enabling signals for the six measuring loops are in AND
condition with the corresponding signals of the phase selection, loop by loop. In other
words, the phase selection inside the distance protection has to detect the fault as well
before a trip from the distance zones can be achieved.
TRUE
Bool to
Integer
ZREL
CA
BC
AB
CG
BG
AG
TRUE
TRUE
RELCNDZ1
bitwise
AND
relcndphs
enable
TRZ1
Zone1
Phase
selection
bitwise
AND
enable
TRZ2
Zone2
RELCNDZ2
RELCNDZ4
Zone5
ZMFPDISPPL2PHIZ
Phase
preference
AG
BG
CG
enable
TRZRV
bitwise
AND
enable
bitwise
AND
enable
TRZ4
bitwise
AND
enable
TRZ5
bitwise
AND
Zone3
Zone4
ZoneRV
RELCNDZ3
RELCNDZ5
RELCNDZRV
ANSI16000017-1-en.vsdx
ANSI16000017 V1 EN
Figure 250: The connection of Phase preference logic function
8.20.3 Setting guidelines
The parameters for the Phase preference logic function PPL2PHIZ are set via the local
HMI or PCM600.
GlobalBaseSel: Selects the global base value group used by the function to define IBase,
VBase and SBase as applicable.
OperMode: The operating mode is selected. Choices includes cyclic or acyclic phase
selection in the preferred mode. This setting must be identical for all IEDs in the same
galvanic connected network part.
PU27PN: The setting of the phase-to- ground voltage level (phase voltage) which is used
by the evaluation logic to verify that a fault exists in the phase. Normally in a high
1MRK 506 369-UUS - Section 8
Impedance protection
Line distance protection REL670 2.2 ANSI 485
Application manual