ABB 615 series Technical Manual page 328

Section 4
Protection functions
Table 330: 51N,51G Non group settings (Advanced)
Parameter Values (Range)
Minimum trip time 20...60000
Reset delay time 0...60000
Measurement mode 1=RMS
2=DFT
3=Peak-to-Peak
IG/I0 signal Sel 1=Measured IG
2=Calculated I0
Table 331: 50N,50G Group settings (Basic)
Parameter Values (Range)
Pickup value 0.10...40.00
Pickup value mult 0.8...10.0
Time multiplier 0.05...15.00
Trip delay time 40...200000
Operating curve type 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
Table 332: 50N,50G Group settings (Advanced)
Parameter Values (Range)
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
Table 333: 50N,50G Non group settings (Basic)
Parameter Values (Range)
Operation 1=enable
5=disable
Curve parameter A 0.0086...120.0000
Curve parameter B 0.0000...0.7120
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Unit Step Default
ms 1 20
ms 1 20
2=DFT
1=Measured IG
Unit Step Default
xIn 0.01 0.10
0.1 1.0
0.01 1.00
ms 10 40
15=IEC DT
Unit Step Default
1=Immediate
Unit Step Default
1=enable
1 28.2000
1 0.1217
1MAC059074-MB A
Description
Minimum trip time for IDMT curves
Reset delay time
Selects used measurement mode
Measured IG or calculated I0
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
Description
Selection of reset curve type
Description
Operation Disable / Enable
Parameter A for customer programmable
curve
Parameter B for customer programmable
curve
Technical Manual
615 series ANSI