ABB ABILITY SSC600, Product Manual, Page: 11 / 42

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11 ABB
Product Guide 1MRS758725
SSC600
Product version: 1.0
15. Protection functions
Table 12. Three-phase non-directional overcurrent protection (PHxPTOC)
Characteristic Value
Operation accuracy PHLPTOC Depending on the frequency of the measured current: fn
±2 Hz
±1.5% of the set value or ±0.002 × In
PHHPTOC and
PHIPTOC ±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
3, 4
PHIPTOC:
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
PHHPTOC and
PHLPTOC:
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 ±5.0% of the theoretical value or ±20 ms
5
Suppression of harmonics RMS: No suppression
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,…
Peak-to-Peak: No suppression
P-to-P+backup: No suppression
Table 13. Three-phase non-directional overcurrent protection (PHxPTOC) main settings
Parameter Function Value (Range) Step
Start value PHLPTOC 0.05...5.00 × In 0.01
PHHPTOC 0.10...40.00 × In 0.01
PHIPTOC 1.00...40.00 × In 0.01
Time multiplier PHLPTOC and
PHHPTOC 0.05...15.00 0.01
Operate delay time PHLPTOC and
PHHPTOC 40...200000 ms 10
PHIPTOC 40...200000 ms 10
Operating curve type
6
PHLPTOC Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19
PHHPTOC Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
PHIPTOC Definite time
Table 14. Three-phase directional overcurrent protection (DPHxPDOC)
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 7, 8 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
3 Set Operate delay time = 0,02 s, Operate curve type = IEC definite time, Measurement mode = default (depends on stage), current before fault = 0.0 × In, fn = 50 Hz, fault current in one
phase with nominal frequency injected from random phase angle, results based on statistical distribution of 1000 measurements
4 Includes the delay of the signal output contact
5 Includes the delay of the heavy-duty output contact
6 For further reference, see the Operation characteristics table
7 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
8 Includes the delay of the signal output contact