ABB ABILITY SSC600 - Page 14

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Product Guide 1MRS758725
SSC600
Product version: 1.0
14
ABB
Characteristic Value
Operate time accuracy ±1.0% of the set value of ±20 ms
Suppression of harmonics -50 dB at f = n × fn, where n = 2, 3, 4, 5,…
Table 21. Admittance-based earth-fault protection (EFPADM) main settings
Parameter Function Value (Range) Step
Voltage start value EFPADM 0.01...2.00 × Un 0.01
Directional mode EFPADM 1 = Non-directional
2 = Forward
3 = Reverse
-
Operation mode EFPADM 1 = Yo
2 = Go
3 = Bo
4 = Yo, Go
5 = Yo, Bo
6 = Go, Bo
7 = Yo, Go, Bo
-
Operate delay time EFPADM 60...200000 ms 10
Circle radius EFPADM 0.05...500.00 mS 0.01
Circle conductance EFPADM -500.00...500.00 mS 0.01
Circle susceptance EFPADM -500.00...500.00 mS 0.01
Conductance forward EFPADM -500.00...500.00 mS 0.01
Conductance reverse EFPADM -500.00...500.00 mS 0.01
Susceptance forward EFPADM -500.00...500.00 mS 0.01
Susceptance reverse EFPADM -500.00...500.00 mS 0.01
Conductance tilt Ang EFPADM -30...30° 1
Susceptance tilt Ang EFPADM -30...30° 1
Table 22. Wattmetric-based earth-fault protection (WPWDE)
Characteristic Value
Operation accuracy Current and voltage:
±1.5% of the set value or ±0.002 × In
Power:
±3% of the set value or ±0.002 × Pn
Start time 2526 Typically 63 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Operate time accuracy in denite time mode ±1.0% of the set value or ±20 ms
Operate time accuracy in IDMT mode ±5.0% of the set value or ±20 ms
Suppression of harmonics -50 dB at f = n × fn, where n = 2,3,4,5,…
Table 23. Wattmetric-based earth-fault protection (WPWDE) main settings
Parameter Function Value (Range) Step
Directional mode WPWDE 2 = Forward
3 = Reverse
-
Current start value WPWDE 0.010...5.000 × In 0.001
Voltage start value WPWDE 0.010...1.000 × Un 0.001
Power start value WPWDE 0.003...1.000 × Pn 0.001
Reference power WPWDE 0.050...1.000 × Pn 0.001
Characteristic angle WPWDE -179...180° 1
Time multiplier WPWDE 0.05...2.00 0.01
Operating curve type
21
WPWDE Denite or inverse time Curve type: 5, 15, 20
Operate delay time WPWDE 60...200000 ms 10
Min operate current WPWDE 0.010...1.000 × In 0.001
Min operate voltage WPWDE 0.01...1.00 × Un 0.01
21 For further reference, refer to the Operating characteristics table