Function Block - ABB Relion 670 Series Technical Reference Manual

1MRK505222-UUS C
6.4.3
Technical reference manual
Timer tPP=On
PHPH_FLT
Timer tPG=On
PHG_FLT
BLKTRIP
PU_A
PU_B
PU_C
ANSI11000218 V1 EN
Figure 128: Tripping logic for the distance protection zone

Function block

ZMHPDIS (21)
I3P* TRIP
V3P* TR_A
CURR_INP* TR_B
VOLT_INP* TR_C
POL_VOLT* TRPG
BLOCK TRPP
BLKZ PICKUP
BLKZMTD PU_A
BLKHSIR PU_B
BLKTRIP PU_C
BLKPG PHG_FLT
BLKPP PHPH_FLT
EXTNST PU_TIMER
INTRNST
DIRCND
PHSEL*
LDCND
ANSI06000423-2-en.vsd
ANSI06000423 V2 EN
Figure 129: ZMHPDIS (21) function block
tPP
AND
t
tPG
AND
t
Section 6
Impedance protection
OR
15ms
AND
t
AND
AND
AND
ANSI11000218-1-en.vsd
TRIP
TR_A
TR_B
TR_C
257