Power control system, power control device, and method for controlling power control system
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United States of America Patent
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Apr 2, 2019
Grant Date -
Mar 3, 2016
app pub date -
Apr 18, 2014
filing date -
Apr 19, 2013
priority date (Note) -
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Abstract
This system can manage efficient operation control among distributed power sources without impairing their versatility. This power control system includes distributed power sources including a storage cell (12) and a power generation device (33) that generates power while a current sensor (40) detects forward power flow, and a power control device (20) including a first power converter (21) that converts AC power from a commercial power grid to DC power and supplies the DC power to the storage cell (12) during an interconnected operation, a supply unit that supplies power generated by the power generation device (33) to the storage cell (12) during an independent operation, and an independent operation switch (24) opened during the interconnected operation and closed during the independent operation to cause output from the first power converter (21) to flow in a forward power flow direction through the current sensor (40).
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