Feed system to be used in residence such as multi-unit apartment complex
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United States of America Patent
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Dec 6, 2016
Grant Date -
May 9, 2013
app pub date -
Jul 23, 2012
filing date -
Nov 7, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A photovoltaic array (11) for generating DC power by receiving sunlight is installed in a balcony (1) of the individual unit, the DC power is converted by an inverter (13) into AC power, and the AC power output from the inverter (13) is supplied to the plurality of electrical loads in a distributed manner by a distribution board (38) of the individual unit. On the other hand, a magnitude of DC power generated by the photovoltaic array or a lithium-ion battery and a magnitude of electrical power consumed by the electrical loads are compared by an electrical power comparator. Depending on the comparison result, an electrical power switch may supply the DC power via the inverter to the electrical loads or a low-voltage system, or may supply electrical power from the low-voltage system to the electrical loads or the lithium-ion battery.
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Family
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