Solar power supply system and driving method of same
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United States of America Patent
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May 7, 2013
Grant Date -
Jun 30, 2011
app pub date -
Apr 22, 2010
filing date -
Dec 30, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A solar power supply system includes a load device, a solar panel that converts light energy into electrical energy, an energy storage device storing the electrical energy from the solar panel, a charge/discharge control device, and a transformer device. The charge/discharge control device selects one of the energy storage device and the solar panel as an operation power supply to the charge/discharge control device and generates an output voltage. The transformer device transforms the output voltage of the charge/discharge control device into a driving voltage to drive the load device. A feedback circuit generates a feedback signal according to an actual power consumption of the load device. A power detector detects an instant output power of the charge/discharge control device. A power regulator minimizes the output power of the charge/discharge control device according to the instant output power of the charge/discharge control device and the actual power consumption of the load device.
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