Delta M30A_121, Operation And Installation Manual

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Figure 5-27 : Constant Q parameters
Figure 5-28 : Q(V) page
Like Constant cosphi function, users can assign a percentage of reactive power
in Constant Q page.
Q(V) is a control mode that inverter will provide reactive power according 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.
Ź
Constant cosphi
Cosphi (P)
Constant Q
Q(V)
Mode
Fix Q
Ź OFF
Ind 90%
EXIT
ENT
Ź
Constant cosphi
Cosphi (P)
Constant Q
Q(V)
Mode
V1s
V2s
Qs limit
Ź
OFF
248.4V
253.0V
Ind 44%
V1i
V2i
Qi limit
T delay
Ź
211.6V
207.0V
Cap 44%
10.00s
P lock-in
P lock-out
Ź 20%
5%
EXIT
EXIT
EXIT
ENT
5.2.8.6 Constant Q
5.2.8.7 Q(V)
55
Turn On PV Inverter