Q(V); Q(T); Frt (Fault Ride Through) - Delta RPI Series Operation And Installation Manual

Turn On PV Inverter

5.2.9.3 Q(V)

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

5.2.9.4 Q(T)

In Q(T) function users can scheduled the feed in reactive power by external
monitoring system.
Q setting point
Q(P)
Q(V)
►
Q(T)

5.2.10 FRT (Fault ride through)

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.
General Settings
Install Settings
Active/Reactive Pwr
► FRT
100%
Udrop
Figure 5-32 : Q(T) page
ENT
Password:
EXIT
Figure 5-33 : FRT page
U U
grid/ nom
Umin
Stay connected
U1
Disconnect from grid
t1
0
Fault occurrence
Figure 5-34 : FRT Parameters
Mode:
►
ENT
EXIT
Warning:
Adj. would affect
energy production.
＊＊＊＊
50
OFF
ENT
Mode
►
Dead Band
Vdrop
t1
EXIT
U1
►
t3
EXIT
K factor
t3
time
OFF
-10%
0%
0.30s
20%
3.00s
2.0