ABB Relion 670 series - Function Block

The directional element utilizes a set of well-established quantities to provide fast and correct
directional evaluation during various conditions, including close-in three-phase faults,
simultaneous faults and faults with only zero-sequence in-feed.
7.9.3 Function block
GUID-CBB51E18-15E5-4BC5-A002-6371A6DC725A v1
ZMFC PDIS (21)
I3P*
V3P*
BL OCK
LO VB Z
BL KZ1
BL KZ2
BL KZ3
BL KZ4
BL KZ5
BL KZRV
BL KTRZ1
BL KTRZ2
BL KTRZ3
BL KTRZ4
BL KTRZ5
BL KTRZRV
TRIP
TRZ1
TR_A_Z1
TR_B_Z1
TR_C_Z1
TRZ2
TR_A_Z2
TR_B_Z2
TR_C_Z2
TRZ3
TRZ4
TRZ5
TRZRV
BFI_3P
PU_Z1
PU_ND_Z1
PU_Z2
PU_A_Z2
PU_B_Z2
PU_C_Z2
PU_ND_Z2
PU_Z3
PU_ND_Z3
PU_Z4
PU_ND_Z4
PU_Z5
STND_Z5
PU_ZRV
PU_A_RV
PU_B_RV
PU_C_RV
S TNDRV
PHPUN D
NDIR_A
NDIR_B
NDIR_C
F WD_A
FWD_B
F WD_C
FWD_G
REV_A
REV_B
REV_C
REV_G
FWD_1PH
FWD_2PH
FWD_3PH
PHG_FLT
PHPH_FLT
ANSI11000422-2-en.vsdx
ANSI11000422 V2 EN-US
Figure 171: ZMFCPDIS (40) function block
Section 7 1MRK 502 066-UUS B
Impedance protection
330
Technical manual