Maximum power point tracking for solar panels
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United States of America Patent
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Jun 20, 2017
Grant Date -
Oct 16, 2014
app pub date -
Oct 29, 2013
filing date -
Apr 15, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Approximately one-half of the loss of delivered power from a solar panel having photovoltaic (PV) cells connected in series to form sub-panels due to shading is recovered at low hardware cost by connecting sub-panels in series and providing maximum power point tracking control in common for the series connected sub-panels such that the respective sub-panels produce equal voltages even in the presence of shading of a portion of one or more sub-panels. By doing so, the input voltage of respective power converters which control the voltage at which each sub-panel is operated can be placed close to the maximum power point of each sub-panel regardless of shading and maximum total power harvested even though the respective sub-panels are not operated at optimum voltages.
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Cited Art Landscape
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