Constant Q; Q(V) - Delta RPI M30A Operation And Installation Manual

5.2.8.6. Constant Q

Like Constant cosphi function, users can assign a percentage of reactive
power in Constant Q page.
Constant cosphi
Cosphi (P)
►
Constant Q

Q(V)

5.2.8.7. Q(V)
Q(V) is a control mode that inverter will provide reactive power accroding
to grid voltage. For country Italy MV and Italy LV, users can set lock-in
power and lock-out power to assign Q(V) function operation interval.
Constant cosphi
Cosphi (P)
Constant Q
► Q(V)
ENT
EXIT
Figure 5-26 Constant Q parameters
ENT
EXIT
EXIT
EXIT
Figure 5-27 Q(V) page
53
Mode
►
Fix Q
Mode
►
V1s
V2s
Qs limit
V1i
►
V2i
Qi limit
T delay
P lock-in
►
P lock-out
Turn on PV inverter
OFF
Ind 90%
OFF
248.4V
253.0V
Ind 44%
211.6V
207.0V
Cap 44%
10.00s
20%
5%