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screen or check the latest history alarm information through “Function”-＞“History
information”-＞“His-alarm”. The inverter automatically turns to the RRuunn 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.
-- -- EEnndd
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.
System Manual 10 Main Functions
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