ABB ABILITY SSC600 Product Manual page 18

Product Guide
SSC600
Product version: 1.0
Characteristic
Reset time
Reset ratio
Retardation time
Operate time accuracy in definite time mode
Suppression of harmonics
Table 39. Negative-sequence overvoltage protection (NSPTOV) main settings
Parameter
Start value
Operate delay time
Table 40. Frequency protection (FRPFRQ)
Characteristic
Operation accuracy
Start time
Reset time
Operate time accuracy
Table 41. Frequency protection (FRPFRQ) main settings
Parameter
Operation mode
Start value Freq>
Start value Freq<
Start value df/dt
Operate Tm Freq
Operate Tm df/dt
Table 42. Distance protection (DSTPDIS)
Characteristic
Operation accuracy
Shortest operate time SIR : 0.1...50
40 41
Transient overreach SIR = 0.1...50
Reset time
Reset ratio
Operate time accuracy
40 Measured with High-speed output (HSO)
41 SIR = Source impedance ratio
18
Value
Typically 40 ms
Typically 0.96
<35 ms
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,...
Function
NSPTOV
NSPTOV
f>/f<
df/dt
f>/f<
df/dt
Function
FRPFRQ
FRPFRQ
FRPFRQ
FRPFRQ
FRPFRQ
FRPFRQ
Value (Range)
0.010...1.000 × Un
40...120000 ms
Value
±5 mHz
±50 mHz/s (in range |df/dt| <5 Hz/s)
±2.0% of the set value (in range 5 Hz/s < |df/dt| < 15 Hz/s)
<80 ms
<120 ms
<150 ms
±1.0% of the set value or ±30 ms
Value (Range)
1 = Freq<
2 = Freq>
3 = df/dt
4 = Freq< + df/dt
5 = Freq> + df/dt
6 = Freq< OR df/dt
7 = Freq> OR df/dt
0.9000...1.2000 × fn
0.8000...1.1000 × fn
-0.2000...0.2000 × fn/s
80...200000 ms
120...200000 ms
Value
At the frequency f = fn
Current:
±1.5% of the set value or ±0.002 × In
Voltage:
±1.5% of the set value or ±0.002 × Un
Impedance:
±2.5% of the set value or ±0.05 Ω
Phase angle: ±2°
45 ms
<3%
Typically 45 ms
Typically 0.96/1.04
±1.0% of the set value or ±20 ms
1MRS758725
Step
0.001
1
Step
-
0.0001
0.0001
0.005
10
10
ABB