ANSI11000218-1-en.vsd
15ms
OR
t
tPP
BLKTRIP
t
AND
AND
AND
PU_A
PU_B
PU_C
TRIP
TR_A
TR_B
TR_C
AND
Timer tPP=On
PHPH_FLT
AND
Timer tPG=On
PHG_FLT
AND
t
tPG
ANSI11000218 V1 EN
Figure 128:
Tripping logic for the distance protection zone
6.4.3
Function block
ZMHPDIS (21)
I3P*
V3P*
CURR_INP*
VOLT_INP*
POL_VOLT*
BLOCK
BLKZ
BLKZMTD
BLKHSIR
BLKTRIP
BLKPG
BLKPP
EXTNST
INTRNST
DIRCND
PHSEL*
LDCND
TRIP
TR_A
TR_B
TR_C
TRPG
TRPP
PICKUP
PU_A
PU_B
PU_C
PHG_FLT
PHPH_FLT
PU_TIMER
ANSI06000423-2-en.vsd
ANSI06000423 V2 EN
Figure 129:
ZMHPDIS (21) function block
1MRK505222-UUS C
Section 6
Impedance protection
257
Technical reference manual
Summary of Contents for Relion 670 series
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