How To Realize Power Limitation; Reactive Power Adjustment - Sungrow SG1250UD Operation Manual

8. Inverter Functions

8.2.2 How to Realize Power Limitation

Improper parameter configuration may affect the normal operation of the inverter!
Only authorized personnel can configure these parameters.
Should any question or doubt occurs, please contact Sungrow.
The user can adjust the active power output through the LCD display:
Tap "Function" from the default menu.
Step 1
Step 2 Tap "Setting".
Tap "Run-parameter" after entering the correct password.
Step 3
Set the "Limit Power (%)" parameter by tapping the pop-up keypad.
Step 4
Tap "Enter" to confirm the setting.
Step 5
Parameters related to power limitation "P-rise rate (%/s) and P-decline rate
(%/s)" are also included in the running parameter setting sub-menu and can be
set accordingly.

8.3 Reactive Power Adjustment

The inverter can provide a reactive power output. The user can open or close the reactive
power adjustment switch and set the reactive power output through the LCD screen.
Reactive power limitation is performed through the running information sub-menu as
follows:
Step 1 Tap "Function" from the default menu.
Tap "Setting".
Step 2
Tap "Run parameter" after entering the correct password.
Step 3
Step 4 Turn the page down to select the "Reactive regulation switch". Tap the pull-down list and
there are five options:

Close: reactive power cannot be adjusted

Pf: adjust the reactive power by setting power factor

Q-limit: adjust the reactive power by setting reactive power percentage

QU mode: adjust the reactive power according to the grid voltage change by setting the
reactive power and voltage relation parameter.
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Operation Manual