Interconnection Functions - ABB ABILITY SSC600 Product Manual

Product Guide
SSC600
Product version: 1.0
Table 78. Operation characteristics
Parameter
Operating curve type
Operating curve type (voltage protection)

16. Interconnection functions

Table 79. Directional reactive power undervoltage protection (DQPTUV )
Characteristic
Operation accuracy
Start time
62, 63
Reset time
Reset ratio
Operate time accuracy
Suppression of harmonics
Table 80. Directional reactive power undervoltage protection (DQPTUV)
main settings
Parameter Function
Voltage start value DQPTUV
Operate delay time DQPTUV
Min reactive power DQPTUV
Min Ps Seq current DQPTUV
Pwr sector reduction DQPTUV
62 Start value = 0.05 × Sn, reactive power before fault = 0.8 × Start value , reactive power overshoot 2 times, results based on statistical distribution of 1000 measurements
63 Includes the delay of the signal output contact
26
Value (Range) Step
0.20...1.20 × Un 0.01
100...300000 ms 10
0.01...0.50 × Sn 0.01
0.02...0.20 × In 0.01
0...10° 1
Value (Range)
1 = ANSI Ext. inv.
2 = ANSI Very. inv.
3 = ANSI Norm. inv.
4 = ANSI Mod inv.
5 = ANSI Def. Time
6 = L.T.E. inv.
7 = L.T.V. inv.
8 = L.T. inv.
9 = IEC Norm. inv.
10 = IEC Very inv.
11 = IEC inv.
12 = IEC Ext. inv.
13 = IEC S.T. inv.
14 = IEC L.T. inv
15 = IEC Def. Time
17 = Programmable
18 = RI type
19 = RD type
5 = ANSI Def. Time
15 = IEC Def. Time
17 = Inv. Curve A
18 = Inv. Curve B
19 = Inv. Curve C
20 = Programmable
21 = Inv. Curve A
22 = Inv. Curve B
23 = Programmable
Value
Depending on the frequency of the measured
current and voltage:
fn ±2 Hz
Reactive power range |PF| <0.71
Power:
±3.0% or ±0.002 × Qn
Voltage:
±1.5% of the set value or ±0.002 × Un
Typically 46 ms
<50 ms
Typically 0.96
±1.0% of the set value or ±20 ms
DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,...
1MRS758725
ABB