Abstract:
An analysis has been made of the most important electrical parameters related to photovoltaic grid-connected inverters above 10Â kW. To achieve this, a compilation of up to fifty manufacturers, various brands and up to five hundred different models has been prepared and updated to February 2009. Datasheet and manuals have been compiled, noting down their electrical output and input characteristics. Different and important aspects with respect to performance of some PV grid-installation have been analyzed: the number of different models for values of power; topology option; operational DC parameters range (such as nominal power, maximum power, nominal current, voltage), operational AC parameter range (such as nominal power, maximum power, nominal current, voltage), inverter conversion efficiency vs. nominal power and normalised inverter size and weight.
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