ABB Relion 620 Series - Page 663

Table 614: ROVPTOV Output signals
Name Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
4.5.5.7 Settings
Table 615: ROVPTOV Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Start value 0.010...1.000 xUn 0.001 0.030 Residual overvolt-
age start value
Operate delay time 40...300000 ms 1 40 Operate delay time
Table 616: ROVPTOV Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Uo signal Sel
1=Measured Uo
2=Calculated Uo
1=Measured Uo Selection for used
Uo signal
Table 617: ROVPTOV Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 20 Reset delay time
4.5.5.8 Monitored data
Table 618: ROVPTOV Monitored data
Name
Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time / op-
erate time
ROVPTOV Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.5.5.9 Technical data
Table 619: ROVPTOV Technical data
Characteristic
Value
Operation accuracy Depending on the frequency of the measured voltage: f
n
±2 Hz
±1.5% of the set value or ±0.002 × U
n
Table continues on the next page
1MRS757644 H Protection functions
620 series
Technical Manual
663