ABB ABILITY SSC600 Product Manual page 16

Product Guide
SSC600
Product version: 1.0
Table 29. Phase discontinuity protection (PDNSPTOC) main settings
Parameter
Start value
Operate delay time
Min phase current
Table 30. Table 33: Residual overvoltage protection (ROVPTOV)
Characteristic
Operation accuracy
Start time UFault = 2 × set Start value
26, 27
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
Table 31. Residual overvoltage protection (ROVPTOV) main settings
Parameter
Start value
Operate delay time
Table 32. Three-phase undervoltage protection (PHPTUV)
Characteristic
Operation accuracy
Start time UFault = 0.9 × set Start value
28, 29, 30
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
Table 33. Three-phase undervoltage protection (PHPTUV) main settings
Parameter
Start value
Time multiplier
Operate delay time
Operating curve type
32
26 Residual voltage before fault = 0.0 × Un, fn = 50 Hz, residual voltage with nominal frequency injected from random phase angle, results based on statistical distribution of 1000 measure-
ments
27 Includes the delay of the signal output contact
28 Start value = 1.0 × Un, Voltage before fault = 1.1 × Un, fn = 50 Hz, undervoltage in one phase-to-phase with nominal frequency injected from random phase angle, results based on
statistical distribution of 1000 measurements
29 Includes the delay of the signal output contact
30 Minimum Start value = 0.50, Start value multiples in range of 0.90...0.20
31 Minimum Start value = 0.50, Start value multiples in range of 0.90...0.20
32 For further reference, see the Operation characteristics table
16
Function
PDNSPTOC
PDNSPTOC
PDNSPTOC
Value
Depending on the frequency of the measured voltage: fn ±2 Hz
±1.5% of the set value or ±0.002 × Un
Minimum
48 ms
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,...
Function
ROVPTOV
ROVPTOV
Value
Depending on the frequency of the measured voltage: fn ±2 Hz
±1.5% of the set value or ±0.002 × Un
Minimum
62 ms
Typically 40 ms
Depends on the set Relative hysteresis
<35 ms
±1.0% of the set value or ±20 ms
±5.0% of the theoretical value or ±20 ms
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,...
Function
PHPTUV
PHPTUV
PHPTUV
PHPTUV
Value (Range)
10...100%
100...30000 ms
0.05...0.30 × In
Typical
51 ms
Value (Range)
0.010...1.000 × Un
40...300000 ms
Typical
66 ms
31
Value (Range)
0.05...1.20 × Un
0.05...15.00
60...300000 ms
Definite or inverse time
Curve type: 5, 15, 21, 22, 23
1MRS758725
Step
1
1
0.01
Maximum
54 ms
Step
0.001
1
Maximum
70 ms
Step
0.01
0.01
10
ABB