Delta RPI M50A 12s, Operation And Installation Manual

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Q(V) is a function that inverter will provide reactive power according to grid
voltage. The setting procedure is same as 5.2.8.7
5.2.9.3 Q(V)
In Q(T) function users can scheduled the feed in reactive power by external
monitoring system.
Figure 5-32 : Q(T) page
5.2.9.4 Q(T)
►
Q setting point
Q(P)
Q(V)
Q(T)
Mode:
►
OFF
EXIT
ENT
►
General Settings
Install Settings
Active/Reactive Pwr
FRT
Mode
Dead Band
Vdrop
t1
► OFF
-10%
0%
0.30s
U1
t3
K factor
► 20%
3.00s
2.0
Warning:
Adj. would affect
energy production.
Password:
＊＊＊＊
EXIT
EXIT
EXIT
ENT ENT
Figure 5-33 : FRT page
Figure 5-34 : FRT Parameters
Some area requests that inverter should keep connected to grid when grid
voltage drops suddenly in few seconds. In these areas, users can enable FRT
function and adjust the parameters to meet the requirement.
100%
U1
0
t1
Fault occurrence
t3
time
U
grid/
U
nom
Umin
Udrop
Disconnect from grid
Stay connected
5.2.10 FRT (Fault ride through)
50
Turn On PV Inverter