ABB RER620 Technical Manual page 140

Section 4
Protection functions
Parameter Values (Range)
Pickup block enable 0=Disabled
1=Enabled
Pickup block value 1.00...40.00
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
Time adder 0.00...2.00
Table 153: 51N/G, 50N/G-1 and 50SEF Non group settings
Parameter Values (Range)
Operation 1=Enable
5=Disable
Minimum trip time 20...60000
Reset delay time 0...60000
Measurement mode 1=RMS
2=DFT
3=Peak-to-Peak
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
Table 154: 50N/G-2 Group settings
Parameter Values (Range)
Pickup value
Pickup value mult
Time multiplier
Trip delay time
Operating curve type
Type of reset curve
Time adder
134
Unit Step
A 0.01
s 0.01
Unit
ms
ms
Unit
0.10...40.00 xIn
0.8...10.0
0.05...15.00
40...200000 ms
1=ANSI Ext Inv
3=ANSI Norm Inv
5=ANSI DT
9=IEC Norm Inv
10=IEC Very Inv
12=IEC Ext Inv
15=IEC DT
17=Programmable
1=Immediate
2=Def time reset
3=Inverse reset
0.00...2.00 s
Default Description
0=Disabled Enables start block function
5 Value over which trip will be blocked
1=Immediate Selection of reset curve type
0 Time added after curve time before trip
Step Default Description
5=Disable Operation Disable / Enable
1 20 Minimum trip time for IDMT curves
1 20 Reset delay time
2=DFT Selects used measurement mode
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
Step Default
0.01 0.50
0.1 1.0
0.05 1.00
10 40
5=ANSI DT
1=Immediate
0.01 0
Description
Pickup value
Multiplier for scaling the pickup value
Time multiplier in IEC/ANSI IDMT curves
Trip delay time
Selection of time delay curve type
Selection of reset curve type
Time added after curve time before trip
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RER620
Technical Manual