Delta M88 Series, Operation And Installation Manual

Page: 60 / 192

Figure 4-29 : Constant Q page
Figure 4-30 : 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.
►
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
277.0V
305.0V
Ind 44%
V1i
V2i
Qi limit
T delay
►
277.0V
233.0V
Cap 44%
10.00s
P lock-in
P lock-out
► 0%
0%
EXIT
EXIT
EXIT
ENT
4.9.2.3 Constant Q
4.9.2.4 Q(V)
60
Commissioning