The photovoltaic inverter is an important equipment in the solar photovoltaic power generation system, which is responsible for converting the direct current generated by the solar panels into alternating current. In order to ensure the normal operation and stable power generation of photovoltaic inverters, daily inspection is required. Photovoltaic inverter routine inspection items mainly include the following aspects:

Check the appearance of the inverter
Check whether the inverter shell is cracked or deformed to ensure that the shell is intact and there is no water or corrosion.

Check cable connections
Check whether the cables connecting the inverter to the solar panel and the power grid are loose, fallen off, or damaged, and ensure that the connection is solid and reliable.

Checking the cooling fan
Check whether the cooling fan of the inverter works properly and keep the internal temperature of the inverter appropriate to prevent overheating from damaging the device.

Check the voltage and current
Check the output voltage and current of the inverter on the inverter display or monitoring system to ensure that the output of the inverter is stable.

Cleaning and ash removal
Periodically clean the inverter shell and cooling fan to remove dust and debris, and keep the inverter well ventilated to avoid overheating.

Check fault code
Check whether the inverter display or monitoring system displays any fault code, troubleshoot the fault in time, and ensure the normal operation of the photovoltaic power generation system.

Quarantine and stop check
When performing any maintenance work, be sure to isolate the power supply first to ensure that the device is in the shutdown state to avoid accidental injuries.

In general, the daily inspection project of photovoltaic inverters is very important, which can help to discover and solve problems in time, and ensure the safe operation and efficient power generation of photovoltaic power generation systems. I hope you found the above helpful.