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Shadowing timer for a photovoltaic solar cell array and photovoltaic power source comprising same
Shadowing timer for a photovoltaic solar cell array and photovoltaic power source comprising same
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机译:用于光伏太阳能电池阵列的遮蔽计时器和包括该遮蔽计时器的光伏电源
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摘要
A photovoltaic power source includes a shadowing timer comprising at least one shadowing member (i.e. vane element) secured proximal to an array of photovoltaic solar cells electrically connected in series. The shadowing members are arranged such that they shadow individual solar cells or rows of cells as the sun moves through diurnal and annual cycles. The shadows cast by two or more vanes can modulate the array output power on two independent time scales: time of day and time of year. Because the individual solar cells are connected in series, a small shadow significantly reduces the array output power, thus enabling fine- scale temporal control.
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