| 摘要 |
The invention comprises a photovoltaic panel for converting solar energy into electric energy, a load and a capacitor connected to the photovoltaic panel for receiving current produced by the panel and storing the current to produce an output voltage which increases with the amount of stored current. A relay connects the photovoltaic panel and capacitor to the inductive load when the output voltage of the capacitor has reached a predetermined level which corresponds to an optimum operating voltage range of the photovoltaic panel.
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