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Lifetime testing of solar home systems
Gepubliceerd door: Publicatie datum:
ECN Energie in de Gebouwde Omgeving en Netten 1-10-2002
ECN publicatienummer: Publicatie type:
ECN-RX--02-046 Conferentiebijdrage
Aantal pagina's: Volledige tekst:
4 Download PDF  (47kB)

Gepresenteerd op: PV in Europe - From PV Technology to Energy Solutions Conference and Exhibition, Rome, Italy, 7-11 oktober 2002.

A method to evaluate lifetime aspects of solar home systems (SHSs) ispresented together with first test results. The principal factors that cause premature failure of lead-acid batteries have been studied for 6 different SHS configurations and 2 solar lanterns under simulated field conditions. After a 6-month testing period serious battery degradation was observed. Further, applying a constant voltage charge regulator instead of a classical 2-point regulator showed an increased utilisation of the energy from the module.

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