ABB RELION 620 Series Technical Manual page 244

Section 4
Protection functions
Parameter Values (Range)
Trip delay time 40...200000
Operating curve type 1=ANSI Ext Inv
2=ANSI Very Inv
3=ANSI Norm Inv
4=ANSI Mod Inv
5=ANSI DT
6=LT Ext Inv
7=LT Very Inv
8=LT Inv
9=IEC Norm Inv
10=IEC Very Inv
11=IEC Inv
12=IEC Ext Inv
13=IEC ST Inv
14=IEC LT Inv
15=IEC DT
17=Programmable
18=RI Type
19=RD Type
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
Table 177: 46 Non group settings
Parameter Values (Range)
Operation 1=enable
5=disable
Minimum trip time 20...60000
Reset delay time 0...60000
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
238
Unit Step Default
ms 10 1000
5=ANSI DT
1=Immediate
Unit Step Default
5=disable
ms 1 20
ms 1 20
28.2000
0.1217
2.00
29.10
1.0
1MAC504801-IB E
Description
Trip delay time
Selection of time delay curve type
Selection of reset curve type
Description
Operation Disable / Enable
Minimum trip time for IDMT curves
Reset delay time
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
Technical Manual
620 series ANSI