Innovative Cooling System for Solar PV Panels Secured U.S. Patent

Strategic Insights -

Scientists at the University of Sharjah have made a groundbreaking discovery with the securing of a U.S. patent for an innovative cooling system designed to enhance the performance of solar photovoltaic (PV) panels. This patented technology addresses the issue of high operating temperatures that plague solar power systems, particularly in hot climates. The system utilizes waste air from centralized air conditioning systems to cool the rear surfaces of solar panels, offering a dual-purpose approach that not only reduces excess heat but also repurposes waste energy.

Key Takeaways:

  • The patented cooling system is designed to enhance the performance of solar PV panels by reducing energy losses caused by high operating temperatures.
  • The system utilizes waste air from centralized air conditioning systems to cool the rear surfaces of solar panels, offering a dual-purpose approach that reduces excess heat and repurposes waste energy.
  • The researchers claim that their invention can significantly reduce energy losses caused by high operating temperatures, which can result in up to a 20% loss in energy output in some regions.
  • The system is engineered to extend the life of solar panels, improve solar PV module efficiency, and boost the power output of solar energy systems.
  • Prof. Chaouki Ghenai, the lead inventor, attributes a range of advantages to the invention, especially in hot and arid regions, where solar PV panels can be cooled using the exhaust air from HVAC systems.
  • The system includes an exhaust fan connected to the outlet of a central air conditioning module, a supporting structure positioned in front of the fan to hold one or more solar panels, and panels tilted at specific angles and azimuths to maximize exposure of their rear surfaces to the cooling airflow.
  • The inventors emphasize the importance of an effective solar panel cooling methodology and maintenance policy to improve power system efficiency and reliability.
  • The patent has already attracted considerable interest from industry, with several companies expressing interest in integrating waste air from HVAC systems to cool solar PV modules.

Statistics:

  • Up to a 20% loss in energy output can result from high operating temperatures in some regions.
  • Every 10°C rise in operating temperature is expected to double the degradation rate of the solar system.
  • A 1°C increase in operating temperature typically causes a 0.45% drop in relative efficiency.
  • Up to 10% more solar power production can be recovered using the exhaust air from HVAC systems to cool solar panels.
  • The system is designed to capture incremental solar revenue, reduce total building energy consumption, and lengthen asset lifetimes.

Sources:

  • US Patent US12341471B2
  • VerticalNews Science
  • University of Sharjah