TWERD Power Electronics PS100-WT - Page 64

Chapter 13. Groups of parameters
Param.
No.
Name
Access
level
Description
Default
setting
Setting
range
12.14 UnderFreqSt1A 2 Threshold underfrequency
protection 1
47.5 Hz 47.0..50.0
Hz
12.15 UnderFreqTimeSt1A 2 Delay time of the underfrequency
protection tripping 1
0.1 s 0.1..100.0 s
12.16 UnderFreqSt2A 2 Threshold underfrequency
protection 2
47.5 Hz 47.0..50.0
Hz
12.17 UnderFreqTimeSt2A 2 Delay time of the underfrequency
protection tripping 2
0.10 s 0.10..5.00 s
(ch.: 0.05s)
...
12.22 OverFreq St1 2 Overfrequency protection threshold
St1
52.0 Hz 50.0..52.0
Hz
12.23 OverFreqTimeSt1 2 Delay time of the overfrequency
protection St1
0.1 s 0.1..100.0 s
12.24 OverFreq St2 2 Overfrequency protection threshold
St2
52.0 Hz 50.0..52.0
Hz
12.25 OverFreqTimeSt2 2 Delay time of overfrequency
protection St2
0.10 s 0.10..5.00 s
(ch.: 0.05s)
LFSM-U
12.26 Under Treshold
freq f1
2 Network frequency threshold below
which the output power begins to
increase
46.0 - Disables functions
49.8 Hz 46.0..49.8
Hz
46.0
function is
not active
12.27 UnderFreqDroop 2 The percentage increase of the
inverter output power limit with the
decrease of the grid frequency
below the response threshold
5% 2..12%
12.28 UnderFreq PowerRef 2 Reference when the threshold is
exceeded
PM - power at the moment of
exceeding
Pmax - nominal power of the
device
Pmax 0 - Pmax
1 - Pm
12.29 UnderFreq
IntentDelay
2 Mode delay LFSM-U 0 0.0...2.0s
LFSM-O
12.30 OverFreq Treshold
freq f1
2 The grid frequency threshold above
which the inverter output power
begins to be limited
52.0-Disables features
50.2 Hz 50.2..52.0
Hz
12.31 OverFreqDroop 2 The percentage decrease of the
inverter output power limit with the
increase of the grid frequency
above the response threshold
5% 2..12%
64 PS100 – User manual