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information”-＞ “His-alarm”. The inverter automatically turns to the Run mode when the
alarm is removed.
10.2 Active Power Limitation
10.2.1 Introduction to Active Power Limitation
Cases in which power limitation is required are as follows:
• Potential threatens to the inverter safety operation
• Over-load of the grid branch connected to the inverter
• Islanding
• Factors affecting the stability of the static grid status and dynamic grid status
• Frequency rising affects the system stability
• Grid maintenance
• Grid management
10.2.2 How to Realize Power Limitation
Improper parameter configuration may affect the normal operation of the inverter!
Only authorized personnel can configure these parameters.
If there is any question or doubt, contact Sungrow.
User can adjust the inverter 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.
- - End
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.
10.3 Reactive Power Adjustment
The inverter can provide reactive power output. The user can open or close the reactive
power adjustment switch and set the reactive power output through the LCD screen.
10 Main Functions System Manual
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