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Minute lecture - Optimisation of PV installations for partial shadowing

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Leonardo ENERGY
Leonardo ENERGY
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Optimisation of PV installations for partial shadowing Micro-inverters and decentralised DC-DC optimisation boxes Leonardo ENERGY www.leonardo-energy.org Guy Kasier E&D Systems January 2011
Problems with a conventional configuration ,[object Object],[object Object],[object Object],Leonardo ENERGY www.leonardo-energy.org
Problems with a conventional configuration Partial shadowing of panel 4 causes a production loss in all panels of the string Leonardo ENERGY www.leonardo-energy.org
Two possible solutions ,[object Object],[object Object],[object Object],Leonardo ENERGY www.leonardo-energy.org
1. Micro-inverters (1) ,[object Object],[object Object],[object Object],Leonardo ENERGY www.leonardo-energy.org
1. Micro-inverters (2) Each PV panel has its own inverter (fitted at the back of the panels) The output of each PV panel can be monitored via a website Leonardo ENERGY www.leonardo-energy.org
2. DC-DC optimisation boxes ,[object Object],[object Object],[object Object],[object Object],Leonardo ENERGY www.leonardo-energy.org
Benefits of the two systems ,[object Object],[object Object],[object Object],[object Object],[object Object],Leonardo ENERGY www.leonardo-energy.org
Disadvantages of the two systems ,[object Object],[object Object],[object Object],Leonardo ENERGY www.leonardo-energy.org
Micro-inverters versus DC-DC optimisation boxes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Both systems ensure a higher output in the event of partial shadowing of the PV panels. Leonardo ENERGY www.leonardo-energy.org
A few links ,[object Object],[object Object],[object Object],[object Object],[object Object],Leonardo ENERGY www.leonardo-energy.org

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Minute lecture - Optimisation of PV installations for partial shadowing

  • 1. Optimisation of PV installations for partial shadowing Micro-inverters and decentralised DC-DC optimisation boxes Leonardo ENERGY www.leonardo-energy.org Guy Kasier E&D Systems January 2011
  • 2.
  • 3. Problems with a conventional configuration Partial shadowing of panel 4 causes a production loss in all panels of the string Leonardo ENERGY www.leonardo-energy.org
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  • 5.
  • 6. 1. Micro-inverters (2) Each PV panel has its own inverter (fitted at the back of the panels) The output of each PV panel can be monitored via a website Leonardo ENERGY www.leonardo-energy.org
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  • 11.