ANSI09000887-2-en.vsd
BLKTR
AND
AND
AND
PU_A
PU_B
PU_C
TRIP
TR_A
TR_B
TR_C
PUZMPP
tPP
AND
AND
PUZMPG
Timer tPG=enable
Timer tPP=enable
tPG
OR
AND
AND
AND
OR
OR
BLK
BLKFUNC
0-tPP
0
0-tPG
0
0
15 ms
ANSI09000887 V2 EN
Figure 83:
Tripping logic for the distance protection zone
6.1.4
Function block
ANSI06000256-2-en.vsd
ZMQPDIS (21)
I3P*
V3P*
BLOCK
LOVBZ
BLKTR
PHSEL
DIRCND
TRIP
TR_A
TR_B
TR_C
PICKUP
PU_A
PU_B
PU_C
PHPUND
ANSI06000256 V2 EN
Figure 84:
ZMQPDIS (21) function block
1MRK505222-UUS C
Section 6
Impedance protection
189
Technical reference manual
Summary of Contents for Relion 670 series
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