ABB Relion 611 Series, Technical Manual

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4.5.3.7 Settings
Table 289: ROVPTOV Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Start value 0.010...1.000 xUn 0.001 0.030 Residual overvoltage start value
Operate delay time 40...300000 ms 1 40 Operate delay time
Table 290: 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 291: ROVPTOV Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 20 Reset delay time
4.5.3.8 Monitored data
Table 292: ROVPTOV Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time /
operate time
ROVPTOV Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.5.3.9 Technical data
Table 293: 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
Start time 1)2)
Minimum Typical Maximum
U
Fault
= 2 × set
Start
value
48 ms 51 ms 54 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Table continues on next page
1MRS757454 D
Section 4
Protection functions
611 series 271
Technical Manual