Apparatus and method for improving output efficiency of low-power photovoltaic battery
A photovoltaic cell and output efficiency technology, applied in battery circuit devices, photovoltaic power generation, circuit devices, etc., can solve problems such as the optimal voltage control method that does not involve the output efficiency of photovoltaic cells
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[0042] Suppose a photovoltaic cell with an area of 150mm×67mm is in the average solar irradiance E=93mW / cm 2 under conditions such as Figure 5 As shown in c. In an optimal voltage control cycle, the photovoltaic cell output energy is stored in 2 120F supercapacitors in series.
[0043] Such as Figure 5 As shown in a, when the voltage of the supercapacitor rises from 4.3V to 5.3V, the output power of the photovoltaic cell W 1 as follows:
[0044] W 1 = 1 2 C ( V 2 2 - V 1 2 ) = 30 × ( 5.3 2 - 4.3 2 )
[0045] ...
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