ABB Relion 615 series, Technical Manual

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Table 597: 78 Output signals
Name Type Description
TRIP BOOLEAN Out of step trip on zone 1 or zone 2
SWING_TRIP BOOLEAN Out of step trip on zone 3
SWING BOOLEAN Swing condition detected
OSB BOOLEAN Out of step block for zone 1
OSB_Z2 BOOLEAN Out of step block for zone 2
4.7.1.7 Settings
Table 598: 78 Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Oos operate mode 1=Way in
2=Way out
3=Adaptive
2=Way out Operate mode for tripping when out of step
condition is detected
Forward reach 0.00...6000.00 ohm 0.01 1000.00 Forward reach of mho circle
Reverse reach 0.00...6000.00 ohm 0.01 100.00 Reverse reach of mho circle
Inner blinder R 1.00...6000.00 ohm 0.01 150.00 Resistance value if inner blinder at R axis
Outer blinder R 1.01...10000.00 ohm 0.01 400.00 Resistance value of outer blinder at R axis
Impedance angle 10.0...90.0 deg 0.1 90.0 Angle of mho circle and blinders with respect to
R axis
Swing time 20...300000 ms 10 500 Time between blinders for swing to be detected
Table 599: 78 Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Zone 1 reach 1...100 % 1 70 Percent of Mho forward reach indicating the
end of zone 1 and the beginning of zone 2
Max number slips 1...10 1 1 Number of pole slips before operating zone 1
Max Num slips Zn2 1...20 1 1 Number of pole slips before operating zone 2
Max Num slips Zn3 1...20 1 1 Number of pole slips before operating zone 3
Trip delay time 20...60000 ms 10 300 Delay after OOS trip detected
Trip dropout time 20...60000 ms 10 100 Time trip output remains active
V dip time 500...5000 ms 10 2000 Maximum allowable time for voltage to dip
Zone 2 enable 1=Yes
0=No
0=No Enable zone 2 feature
Zone 3 enable 1=Yes
0=No
0=No Enable zone 3 feature
Section 4
1MAC059074-MB A
Protection functions
694 615 series ANSI
Technical Manual