Electric power system
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United States of America Patent
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Nov 25, 2014
Grant Date -
Dec 1, 2011
app pub date -
Nov 11, 2010
filing date -
May 31, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An electric power system includes: an uninterruptible power supply including an AC switch provided between a commercial power supply and an output part, a secondary battery, and an inverter provided between the AC switch and secondary battery; an important load connected to the output part; a distributed power supply connected to the output part; total load power consumption detection section detecting the power consumption of all loads including the important load; charge/discharge power detection section detecting charge/discharge power of the secondary battery; output power detection section detecting the output power of the distributed power supply; important load power consumption detection section detecting the power consumption of the important load; and a controller that inputs thereto detection values from the total load power consumption detection section, charge/discharge detection section, output power detection section, and important load power consumption detection section and outputs a control command value for controlling the secondary battery.
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