| 摘要 |
A power supply device and a driving method thereof which produces and supplies electric energy from ecology-friendly“green”energy sources. The power supply device collects green energy and supplies power to a load, and includes: a main power source unit that includes a collection unit for collecting green energy and generate electric energy therefrom, a converter which converts the electric energy from the collection unit into a predetermined electric energy level and a battery unit that stores the electric energy converted by the converter and supplies power to the load; and an auxiliary power source unit that supports the main power source unit and supplies power to the load. Maximum energy may be collected from green energy sources and generate maximum amounts of electric energy.
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