General:

• Check of the correct operation of the interface protection;
• Check inverter operation;
• Inspection of photovoltaic modules;
• Measurement of Electrical Dimension (DC and AC);
• Measurement of insulation resistance between panels and earth;
• External electrical wiring;Cleaning modules (with water or specific products);
• Check electrical continuity of grounding;
• Control metal structure;
• Internal electrical wiring;
• Control of inverters and inside electrical panels;
• Calculation performance system.

For electrical cabins:

• Measurements of soil resistivity near sinks;
• Control of the switches of medium voltage;
• Control of the junction box and low voltage and overvoltage protection inspection;
• Control panels junction and distribution;
• Thermic checks of transformers;
• Verification of the general conditions of isolation and tightening of the transformers;
• Control obstructions presence in cooling channels;
• Control connection thermic probes;
• Inspection of ventilation system;
• Visual inspection of the construction (internal and external);
• Cleaning of the ventilation system cabin;
• Cleaning of the station medium voltage;
• Maintenance of the constructuion (water infiltration, breaking windows, etc.).