Delta M88 Series, Operation And Installation Manual

Page: 61 / 192

V
1s
V
2s
V
1i
V
2i
Q
i limit
Q
s limit
V
Q
V
1s
V
2s
V
1i
V
2i
Q
i limit
Q
s limit
V
Q
Curve A Curve B
Others Italy MV & Italy LV
Figure 4-31 : Q(V) parameters
Figure 4-32 : Q setting 24/7 page
In “Q setting 24
／
7
”, there are 4 modes: Q setting point, Q(P), Q(V), Q(T), with the
”Q setting 24
／
7
” control mode, the AC relay remains connected to the grid during
night time and provide the reactive power. If the inverter disconnected from grid
at night time, it can only restart when there is enough DC voltage from PV panel
to the inverter.
* Do not run “Q setting 24
／
7
function” and “PID function” at the same time.
Q setting point
Q(P)
Q(V)
Q(T)
4.9.3 Q setting
24
／
7
function
In Q setting point, user can assign a percentage of reactive power to the inverter.
Figure 4-33 : Q setting point page
4.9.3.1 Q setting point
►
OFF
► Q setting point
Q(P)
Q(V)
Q(T)
Mode
Fix Q
► OFF
Ind 90%
EXIT
ENT
61
Commissioning