ABB RELION 620 Series Technical Manual page 654

Section 4
Protection functions
Table 597: PHPTUV Group settings (Advanced)
Parameter
Type of reset curve
Type of time reset
Table 598: PHPTUV Non group settings (Basic)
Parameter
Operation
Num of start phases
Curve parameter A
Curve parameter B
Curve parameter C
Curve parameter D
Curve parameter E
Voltage selection
Table 599: PHPTUV Non group settings (Advanced)
Parameter
Minimum operate time
Reset delay time
Curve Sat Relative
Voltage block value
Enable block value
Relative hysteresis
648
Values (Range) Unit
1=Immediate
2=Def time reset
1=Freeze Op timer
2=Decrease Op
timer
Values (Range) Unit
1=on
5=off
1=1 out of 3
2=2 out of 3
3=3 out of 3
0.005...200.000
0.50...100.00
0.0...1.0
0.000...60.000
0.000...3.000
1=phase-to-earth
2=phase-to-phase
Values (Range) Unit
60...60000 ms
0...60000 ms
0.0...10.0
0.05...1.00 xUn
0=False
1=True
1.0...5.0 %
Step Default
1=Immediate
1=Freeze Op timer
Step Default
1=on
1=1 out of 3
1 1.000
1 1.00
1 0.0
1 0.000
1 1.000
2=phase-to-phase
Step Default
1 60
1 20
0.1 0.0
0.01 0.20
1=True
0.1 4.0
1MRS757644 F
Description
Selection of reset curve type
Selection of time reset
Description
Operation Off / On
Number of phases required for operate
activation
Parameter A for customer programmable
curve
Parameter B for customer programmable
curve
Parameter C for customer programmable
curve
Parameter D for customer programmable
curve
Parameter E for customer programmable
curve
Parameter to select phase or phase-to-
phase voltages
Description
Minimum operate time for IDMT curves
Reset delay time
Tuning parameter to avoid curve
discontinuities
Low level blocking for undervoltage mode
Enable internal blocking
Relative hysteresis for operation
Technical Manual
620 series