ABB RED615 Product Manual page 43

ABB
Line Differential Protection and Control
RED615
Product version: 4.0
Table 47. Negative phase-sequence overcurrent protection (NSPTOC) main settings
Parameter
Start value
Time multiplier
Operate delay time
1)
Operating curve type
1) For further reference please refer to the Operating characteristics table
Table 48. Phase discontinuity protection (PDNSPTOC)
Characteristic
Operation accuracy
Start time
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
Table 49. Phase discontinuity protection (PDNSPTOC) main settings
Parameter
Start value (Current ratio
setting I /I )
2 1
Operate delay time
Min phase current
Table 50. Circuit breaker failure protection (CCBRBRF)
Characteristic
Operation accuracy
Operate time accuracy
Function
NSPTOC
NSPTOC
NSPTOC
NSPTOC
Function
PDNSPTOC
PDNSPTOC
PDNSPTOC
Value (Range)
0.01...5.00 x I
n
0.05...15.00
40...200000 ms
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
17, 18, 19
Value
Depending on the frequency of the current measured: f
±2 Hz
±2% of the set value
< 70 ms
< 40 ms
Typical 0.96
< 35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n x f , where n = 2, 3, 4, 5,...
n
Value (Range)
10...100 %
100...30000 ms
0.05...0.30 x I
n
Value
Depending on the frequency of the current measured: f
±2 Hz
±1.5% of the set value or ±0.002 x I
±1.0% of the set value or ±20 ms
1MRS756500 F
Step
0.01
0.01
10
n
Step
1
1
0.01
n
n
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