ABB RELION 620 Series Technical Manual page 234

Section 4
Protection functions
Parameter Values (Range)
Measurement mode 1=RMS
2=DFT
3=Peak-to-Peak
Min trip current 0.005...1.000
Min trip voltage 0.01...1.00
Correction angle 0.0...10.0
Pol reversal 0=False
1=True
Curve parameter A 0.0086...120.0000
Curve parameter B 0.0000...0.7120
Curve parameter C 0.02...2.00
Curve parameter D 0.46...30.00
Curve parameter E 0.0...1.0
IG/I0 signal Sel 1=Measured IG
2=Calculated I0
Pol signal Sel 1=Measured VG
2=Calculated V0
3=Neg. seq. volt.
1) The value of In is determined by the
Current (Io, CT)/Secondary current. If
Secondary current, since I0 is calculated by summing the phase currents.
Table 169: 67/50N Group settings
Parameter Values (Range)
Pickup value 0.10...40.00
Pickup value mult 0.8...10.0
Directional mode 1=Non-directional
2=Forward
3=Reverse
Time multiplier 0.05...15.00
Operating curve type 1=ANSI Ext Inv
3=ANSI Norm Inv
5=ANSI DT
15=IEC DT
17=Programmable
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
Trip delay time 40...200000
Table continues on next page
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Unit Step
0.001
1)
xIn
xVn 0.01
deg 0.1
I0 signal Sel setting. If I0 signal Sel = Measured IG, then In is the value set in Configuration/Analog inputs/
I0 signal Sel = Calculated I0, then In is the value set in Configuration/Analog inputs/Current (3I, CT)/
Unit Step
0.01
1)
xIn
0.1
0.01
ms 10
Default Description
2=DFT Selects used measurement mode
0.005 Minimum trip current
0.01 Minimum trip voltage
0.0 Angle correction
0=False Rotate polarizing quantity
28.2000 Parameter A for customer programmable
curve
0.1217 Parameter B for customer programmable
curve
2.00 Parameter C for customer programmable
curve
29.10 Parameter D for customer programmable
curve
1.0 Parameter E for customer programmable
curve
2=Calculated I0
Selection for used Io signal
2=Calculated V0 Selection for used polarization signal
Default Description
0.5 Pickup value
1.0 Multiplier for scaling the pickup value
2=Forward Directional mode
1.00 Time multiplier in IEC/ANSI IDMT curves
5=ANSI DT Selection of time delay curve type
1=Immediate Selection of reset curve type
60 Trip delay time
1MAC504801-IB E
1)
620 series ANSI
Technical Manual