ABB Relion 650 Series Technical Manual page 78

Section 5
Impedance protection
Built-in adaptive load compensation algorithm prevents overreaching of all zones at phase-to-
ground faults on heavily loaded power lines.
The distance protection zones can operate independently of each other in directional (forward or
reverse) or non-directional mode. This makes them suitable, together with different
communication schemes, for the protection of power lines and cables in complex network
configurations, such as parallel lines, multi-terminal lines, and so on.
5.1.3 Function block
I3P*
V3P*
BLOCK
BLKZ
BLKTR
PHSEL
DIRCND
BLKPG
BLKPP
ANSI09000059 V1 EN-US
Figure 31:
5.1.4 Signals
Table 15:
Name
I3P
V3P
BLOCK
BLKZ
BLKTR
PHSEL
DIRCND
BLKPG
BLKPP
72
ZQDPDIS (21)
TRIP
TRZ1
TRZ2
TRZ3
TRZ4
TRZ5
PICKUP
PU_Z1
PU_Z2
STZ3
STZ4
STZ5
STND1
STND2
STND3
STND4
STND5
ANSI09000059-1-en.vsd
ZQDPDIS (21) function block
ZQDPDIS (21) Input signals
Type Default
GROUP
SIGNAL
GROUP
SIGNAL
BOOLEAN
BOOLEAN
BOOLEAN
INTEGER
INTEGER
BOOLEAN
BOOLEAN
© Copyright 2011 ABB Power Grids. All rights reserved
Description
- Three phase group signal for current inputs
- Three phase group signal for voltage inputs
0 Block of function
0 Blocks all outputs by fuse failure signal
0 Blocks all trip outputs
0 Faulted phase loop selection enable from phase selector
0 External directional condition
0 Blocks all outputs related to phase-to-ground operation
0 Blocks all outputs related to phase-to-phase operation
1MRK 506 326-UUS B
SEMOD115983-4 v6
PID-1520-INPUTSIGNALS v5
Line distance protection REL650
Technical manual