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10.3.2 How to Realize Power Limitation
Improper parameter configuration may affect the normal operation of the MV
Station!
Only authorized personnel can configure these parameters.
Should any question or doubt occurs, contact Sungrow.
User can adjust the MV Station active power output through the LCD display:
step 1
Tap “ Function” from the default menu.
step 2
Tap “Set-parameter”.
step 3
Tap “Run-parameter” after entering the correct password.
step 4
Set the “Limit Power (%)” parameter by tapping the pop-up keypad.
step 5
Tap “Enter” to confirm setting.
-- -- E
En
nd
d
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.
10.4 Reactive Power Adjustment
MV Station can provide reactive power output. 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.
step 2
Tap “Set-parameter”.
step 3
Tap “Run-parameter” after entering the correct password.
step 4
Turn the page down to select the “Q-adjust switch”. Tap the pull-down list and the
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: the reactive power changes with the grid voltage
•
QP mode: the PF changes with the output power of the inverter
•
V-auto-adj: reserved.
System Manual
Summary of Contents for SG4950HV-MV
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