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ECN publicatie:
Titel:
AC PV module inverters with full sine wave burst operation mode for improved efficiency of grid connected systems at low irradiance
 
Auteur(s):
 
Gepubliceerd door: Publicatie datum:
ECN Zonne-energie 1997
 
ECN publicatienummer: Publicatie type:
ECN-RX--97-041 Artikel wetenschap tijdschrift
 
Aantal pagina's:
6  

Gepubliceerd in: Paper presented at the 14th European photovoltaic solar energy conference and exhibition, 30 June - 4 July 1997, Barcelona, Spai (), , , Vol., p.-.

Samenvatting:
Introducing grid connected photovoltaic (PV) systems, the differencebetween one-phase and three-phase power delivery is explained, highlighting the issue of buffering storage in one-phase PV inverters. This paper presents and explains burst operation mode as a way to improve performance of grid-connected one-phase PV inverters without need of major additional investments. At low power, intermittent inverter operation at optimum power for a small fraction of time is preferred over continuous operation at low power, thus saving the difference between operating and standby power consumption for major parts of the operating time, and raising part-load efficiency up to optimum values. 11 figs., 9 tabs.


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