6.3 Low Voltage Ride Through (LVRT)
According to CEI 0-21, 8.5.1
To avoid undue separation from the network if voltage dips occur, a generation system
with over 6 kW total power must be able to comply with certain functional requirements,
which are known as LVRT (Low Voltage Ride Through) in international literature.
100%
0
time (ms)
U
grid
/
U
n
2
1
90 %
40 %
3
200 400
0%
85 %
110%
Figure 6-4: LVRT characteristic
28
Active/Reactive Power Control and LVRT (Optional)
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