ABB ABILITY SSC600, Product Manual, Page: 12 / 42

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