ABB RELION 620 Series Technical Manual page 798

Section 4
Protection functions
4.12.2.6
4.12.2.7
Table 753: CUBPTOC Group settings (Basic)
Parameter
Alarm mode
Start value
Alarm start value
Time multiplier
Operating curve type
Operate delay time
Alarm delay time
792
The natural unbalance recording should be made only during the
steady-state condition and when all the capacitor bank elements are
assumed to be in service.
Signals
Table 751: CUBPTOC Input signals
Name
I_UNB
I_A
BLOCK
Table 752: CUBPTOC Output signals
Name
OPERATE
START
ALARM
Settings
Values (Range) Unit
1=Normal
2=Element counter
0.01...1.00 xIn
0.01...1.00 xIn
0.05...15.00
1=ANSI Ext. inv.
2=ANSI Very inv.
3=ANSI Norm. inv.
4=ANSI Mod. inv.
5=ANSI Def. Time
6=L.T.E. inv.
7=L.T.V. inv.
8=L.T. inv.
9=IEC Norm. inv.
10=IEC Very inv.
11=IEC inv.
12=IEC Ext. inv.
13=IEC S.T. inv.
14=IEC L.T. inv.
15=IEC Def. Time
17=Programmable
18=RI type
19=RD type
50...200000 ms
50...200000 ms
Type Default Description
REAL 0.0 Capacitor bank unbalance current
REAL 0.0 Phase A current
BOOLEAN 0=False Block signal for activating the blocking mode
Type Description
BOOLEAN Operate
BOOLEAN Start
BOOLEAN Alarm
Step Default
1=Normal
0.01 0.10
0.01 0.05
0.01 1.00
15=IEC Def. Time
10 5000
10 200000
1MRS757644 F
Description
Mode of operation for Alarm stage
Start value
Alarm start value
Time multiplier in IEC/ANSI IDMT curves
Selection of time delay curve type
Operate delay time
Alarm delay time
Technical Manual
620 series