ABB ABILITY SSC600, Руководство по эксплуатации продукта, Страница: 13 / 42

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13 ABB
Product Guide 1MRS758725
SSC600
Product version: 1.0
Parameter Function Value (Range) Step
Operating curve type
14
EFLPTOC Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19
EFHPTOC Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
EFIPTOC Definite time
Table 18. Directional earth-fault protection (DEFxPDEF
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
15, 16
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
17
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 19. Directional earth-fault protection (DEFxPDEF) main settings
Parameter Function Value (Range) Step
Start value DEFLPDEF 0.010...5.000 × In 0.005
DEFHPDEF 0.10...40.00 × In 0.01
Directional mode DEFLPDEF and
DEFHPDEF 1 = Non-directional
2 = Forward
3 = Reverse -
Time multiplier DEFLPDEF 0.05...15.00 0.01
DEFHPDEF 0.05...15.00 0.01
Operate delay time DEFLPDEF 50...200000 ms 10
DEFHPDEF 40...200000 ms 10
Operating curve type
18
DEFLPDEF Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19
DEFHPDEF Definite or inverse time
Curve type: 1, 3, 5, 15, 17
Operation mode DEFxPDEF 1 = Phase angle
2 = IoSin
3 = IoCos
4 = Phase angle 80
5 = Phase angle 88 -
Table 20. Admittance-based earth-fault protection (EFPADM)
Characteristic Value
Operation accuracy
19
At the frequency f = fn
±1.0% or ±0.01 mS (In range of 0.5...100 mS)
Start time
20
Minimum Typical Maximum
56 ms 60 ms 64 ms
Reset time 40 ms
14 For further reference, see the Operation characteristics table
15 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
16 Includes the delay of the signal output contact
17 Maximum Start value = 2.5 × In, Start value multiples in range of 1.5...20
18 For further reference, see the Operating characteristics table
19 Uo = 1.0 × Un
20 Includes the delay of the signal output contact, results based on statistical distribution of 1000 measurements Feeder Protection and Control 1MRS756379 S REF615 Product version:
5.0 FP1 52