ABB Relion 611 Series, Техническое руководство

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4.4.4.9 Monitored data
Table 262: MNSPTOC Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time /
operate time
T_ENARESTART INT32 0...10000 s Estimated time to reset of
block restart
MNSPTOC Enum 1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.4.4.10 Technical data
Table 263: MNSPTOC Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the measured
current: f
n
±2 Hz
±1.5% of the set value or ±0.002 × I
n
Start time
1)2)
Minimum Typical Maximum
I
Fault
= 2.0 × set Start
value
23 25 ms 28 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
Operate time accuracy in inverse time mode
±5.0% of the theoretical value or ±20 ms 3)
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1) Negative-sequence current before = 0.0, f
n
= 50 Hz, results based on statistical distribution of 1000
measurements
2) Includes the delay of the signal output contact
3) Start value multiples in range of 1.10...5.00
4.4.4.11 Technical revision history
Table 264: MNSPTOC Technical revision history
Technical revision Change
B Internal improvement
C Internal improvement
1MRS757454 D
Section 4
Protection functions
611 series 251
Technical Manual