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IN-PLANE ROTATION SUN-TRACKING FOR CONCENTRATED PHOTOVOLTAIC PANEL

United States Patent Application

20170250649
A1
View the Complete Application at the US Patent & Trademark Office
A photovoltaic array includes a two-dimensional array of photovoltaic cells having a plurality of rows, each row having a pivot axis parallel to the row. Each cell has a lens which has a front surface configured to concentrate light normal to the front surface onto the photovoltaic element. The photovoltaic array further includes a rotational actuator, coupled to the array of photovoltaic cells configured to rotate the array of photovoltaic cells about an axis perpendicular to a plane defined by the array of photovoltaic elements and a tilt actuator, coupled to each of the rows of photovoltaic elements configured to pivot the rows of photovoltaic elements about their pivot axes.
Liu, Xinbing (Acton, MA)
15/ 440,070
February 23, 2017
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] This invention was developed under Contract DE-AR0000629 between Panasonic North America and the U.S. Department of Energy. The U.S. Government has certain rights in this invention.