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Preventive Maintenance

ORANGE ALERT!

Preventive Maintenance

ORANGE ALERT!

Control operations must be carried out after the commissioning of a photovoltaic plant using micro solar energy.

The proper operation of a photovoltaic plant using micro solar energy depends on a solid routine that allows early detection of problems and anomalies.

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PRECAUTIONARY PRINCIPLES

  • Every day
    • Check that the inverter is operational.
  • Every week
    • Check the cleanliness of the panels.
  • Every month
    • Record and compare production index readings with SOLAR-CONTROL
  • Every year
    • Solar technician intervention.
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PREVENTION PRINCIPLES

Simple actions can improve the production of a photovoltaic plant using micro solar energy.
Shadow on photovoltaic panels
Shadows cast by nearby or distant surroundings can significantly impact the productivity of an entire photovoltaic plant using micro solar energy.
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SOLAR-CONTROL Tip
Monitor the nearby environment by checking the growth of vegetation, the main source of cast shadows.
Regular pruning of vegetation is mandatory.
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Panel Soiling

Photovoltaic panels will gradually become soiled (weather, dust, bird droppings, etc.).
The productivity of the photovoltaic plant using micro solar energy will drop significantly.
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SOLAR-CONTROL Tip
Solar panels should be cleaned regularly for better productivity, at least once a month.
This panel cleaning operation is easily done from the ground.
For rooftop panel cleaning, the intervention of solar technicians is highly recommended.
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Lightning Protection

The protection of sensitive components of the photovoltaic plant using micro solar energy from power surges is ensured through the use of surge protectors. Fuse-type surge protection is mandatory in locations with a high lightning strike index.
The presence of surge protection fuses requires regular maintenance to ensure they remain functional.
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SOLAR-CONTROL Tip
Annual analysis of surge protection fuses by solar technicians is highly recommended.
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Corrective Maintenance

RED ALERT!

Corrective Maintenance

RED ALERT!

  • The solar technician will follow the repair process by analyzing the components of your solar installation.
  • Failures are very rare, but still possible.
  • Is your photovoltaic plant down?
  • Is your photovoltaic plant producing well below theoretical or neighboring production levels?
  • The intervention of a solar technician is strongly recommended.
  • Solar technicians will follow the repair process by analyzing the components of the photovoltaic plant.
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ANALYSIS OF DEFECTIVE ELEMENTS

  • Analysis of solar panels
  • Analysis of panel strings
  • Analysis of the inverter
  • Analysis of the public grid connection or batteries
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POSSIBLE TYPES OF FAILURES

  • End of life of the inverter
  • Inverter overheating
  • Meter failure
  • Faulty solar panels
  • Public grid voltage fault
  • Drop in open-circuit voltage
  • Defective grounding
  • Insulation fault
  • Ohmic losses in solar cabling
  • Losses due to malfunctioning protection elements
  • Disconnection due to leakage current
  • Insulation resistance (Riso in MegaOhms):
  • Faulty safety devices
  • Burnt connectors

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