ABB ABILITY SSC600 Product Manual page 12

Product Guide
SSC600
Product version: 1.0
Characteristic
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
Table 15. Three-phase directional overcurrent protection (DPHxPDOC) main settings
Parameter
Start value
Time multiplier
Operate delay time
Directional mode
Characteristic angle
Operating curve type
10
Table 16. Non-directional earth-fault protection (EFxPTOC)
Characteristic
Operation accuracy
Start time 11, 12
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Operate time accuracy in inverse time mode
Suppression of harmonics
Table 17. Non-directional earth-fault protection (EFxPTOC) main settings
Parameter
Start value
Time multiplier
Operate delay time
9 Maximum Start value = 2.5 × In, Start value multiples in range of 1.5...20
10 For further reference, see the Operating characteristics table
11 Measurement mode = default (depends on stage), current before fault = 0.0 × In, fn = 50 Hz, earth-fault current with nominal frequency injected from random phase angle, results based
on statistical distribution of 1000 measurements
12 Includes the delay of the signal output contact
13 Maximum Start value = 2.5 × In, Start value multiples in range of 1.5...20
12
Value
Typically 0.96
<30 ms
±1.0% of the set value or ±20 ms
±1.0% of the set value or ±20 ms
RMS: No suppression
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,...
Peak-to-Peak: No suppression
Function
DPHLPDOC
DPHHPDOC
DPHxPDOC
DPHxPDOC
DPHxPDOC
DPHxPDOC
DPHLPDOC
DPHHPDOC
Value
EFLPTOC Depending on the frequency of the measured current: fn
±2 Hz
±1.5% of the set value or ±0.002 × In
EFHPTOC and ±1.5% of set value or ±0.002 × In (at currents in the range of 0.1...10 × In)
EFIPTOC ±5.0% of the set value (at currents in the range of 10...40 × In)
EFIPTOC: Minimum
IFault = 2 × set Start value
16 ms
IFault = 10 × set Start value
11 ms
EFHPTOC and EFLPTOC: 23 ms
IFault = 2 × set Start value
Typically 40 ms
Typically 0.96
<30 ms
±1.0% of the set value or ±20 ms
±1.0% of the set value or ±20 ms
RMS: No suppression
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,...
Peak-to-Peak: No suppression
Function
EFLPTOC
EFHPTOC
EFIPTOC
EFLPTOC and EFHPTOC
EFLPTOC and EFHPTOC
EFIPTOC
9
Value (Range)
0.05...5.00 × In
0.10...40.00 × In
0.05...15.00
40...200000 ms
1 = Non-directional
2 = Forward
3 = Reverse
-179...180°
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19
Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
Typical
19 ms
12 ms
26 ms
13
Value (Range)
0.010...5.000 × In
0.10...40.00 × In
1.00...40.00 × In
0.05...15.00
40...200000 ms
20...200000 ms
1MRS758725
Step
0.01
0.01
0.01
10
-
1
Maximum
23 ms
14 ms
29 ms
Step
0.005
0.01
0.01
0.01
10
10
ABB