Delta M42U

Figure 4-29: Constant Q screens
Figure 4-30: Q(V) screens
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.
►
Constant cosphi
Cosphi (P)
Constant Q
Q(V)
Mode
Fix Q
►
OFF
Ind 90%
EXIT
ENT
►
Constant cosphi
Cosphi (P)
Constant Q
Q(V)
Mode
V1s
V2s
Qs limit
►
OFF
479.7V
528.2V
Ind 44%
V1i
V2i
Qi limit
T delay
►
479.7V
403.5V
Cap 44%
10.00s
P lock-in
P lock-out
►
0%
0%
EXIT
EXIT
EXIT
ENT
4.3.8.6 Constant Q
4.3.8.7 Q(V)
Commissioning
68