ABB Relion REC615, Техническое руководство

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Table 455: ROVPTOV Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 20 Reset delay time
4.4.3.8 Monitored data
ROVPTOV Monitored data
Table 456: 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
4.4.3.9 Technical data
Table 457: 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
U
Fault
= 2 × set Start
value
Minimum Typical Maximum
48 ms 51 ms 54 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Retardation time <35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1
Residual voltage before fault = 0.0 × U
n
, f
n
= 50 Hz, residual voltage with nominal frequency in-
jected from random phase angle, results based on statistical distribution of 1000 measurements
2
Includes the delay of the signal output contact
1MRS758755 C Protection functions
REC615 & RER615
Technical Manual
439