Single stage inverter device, and related controlling method, for converters of power from energy sources, in particular photovoltaic sources
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United States of America Patent
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May 29, 2012
Grant Date -
Oct 21, 2010
app pub date -
Dec 20, 2005
filing date -
Jul 13, 2005
priority date (Note) -
Expired
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Abstract
The present invention concerns a single stage inverter device for power converters, comprising switching means (M1-M4) capable to periodically connect an energy source, in particular a photovoltaic one, to an electric network or grid, the switching means (M1-M4) being controlled by controlling electronic means operating according to a single switching cycle control of the switching means (M1-M4), the operative and circuit device parameters being such to fulfill a series of constraints simultaneously optimizing both the maximum power point tracking or MPPT (Maximum Power Point Tracking) and the output power factor or PF-out (Power Factor-output) for one or more operation conditions. The present invention further concerns the related method of controlling and the related method of scaling such device.
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