ABB REL650 series Technical Manual page 102

Section 6
Impedance protection
Name Values (Range)
OpModetPEZ3 Disabled
Enabled
tPEZ3 0.000 - 60.000
OpModetPPZ3 Disabled
Enabled
tPPZ3 0.000 - 60.000
CharPEZ4 Disabled
Mho
Quadrilateral
Combined
CharPPZ4 Disabled
Mho
Quadrilateral
Combined
DirModeZ4 Disabled
Non-directional
Forward
Reverse
MhoCharZ4 Directional
Offset
Z4 0.005 - 3000.000
Z4Rev 0.005 - 3000.000
RFPE4 0.005 - 3000.000
RFPP4 0.005 - 3000.000
TimerSelZ4 Timers seperated
Timers linked
Internal start
Start from PhSel
External start
OpModetPEZ4 Disabled
Enabled
tPEZ4 0.000 - 60.000
OpModetPPZ4 Disabled
Enabled
tPPZ4 0.000 - 60.000
CharPEZ5 Disabled
Mho
Quadrilateral
Combined
Table continues on next page
96
Unit Step Default
- - Disabled
s 0.001 0.000
- - Disabled
s 0.001 0.000
- - Disabled
- - Disabled
- - Disabled
- - Directional
ohm/p 0.001 30.000
ohm/p 0.001 30.000
ohm/l 0.001 30.000
ohm/l 0.001 30.000
- - Timers seperated
- - Disabled
s 0.001 0.000
- - Disabled
s 0.001 0.000
- - Disabled
1MRK 506 335-UUS A
Description
Enable time delay to operate phase to ground
for Zone 3
Time delay to operate of phase to ground for
Zone 3
Enable time delay to operate phase to phase
for Zone 3
Time delay to operate of phase to phase for
Zone 3
Characteristic selection for phase to ground
Zone 4
Characteristic selection for phase to phase
Zone 4
Direction setting for Zone 4
Characteristic of directional mho for Zone 4
Forward reach setting for Zone 4
Reverse reach setting for Zone 4
Fault resistance reach in ohm/loop, Ph-E Zone
4
Fault resistance reach in ohm/loop, Ph-ph
Zone 4
Timer selection Zone 4
Enable time delay to operate phase to ground
for Zone 4
Time delay to operate of phase to ground for
Zone 4
Enable time delay to operate phase to phase
for Zone 4
Time delay to operate of phase to phase for
Zone 4
Characteristic selection for phase to ground
Zone 5
Technical manual