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公开(公告)号：US20220121235A1
公开(公告)日：2022-04-21
申请号：US17425217
申请日：2020-01-23
Inventor： Takehiko ISE , Tomoki ITO , Atsushi SHIMIZU
Abstract: The energy management system performs forecast of power consumption of the load of each of the first consumer and the second consumer; calculates a self-sufficiency rate of entirety of both the first consumer and the second consumer, based on self-sufficient electric power supplied to the load in accordance with the forecast of power consumption and on purchase electric power supplied from the electric power system to the load; and provides interchange control of energy so that at least a part of electric power generated by the renewable energy power generator of the second consumer is accumulated in the energy accumulator of the first consumer so that the self-sufficiency rate exceeds a threshold value.
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2.发明申请公开(公告)号：US20220123336A1
公开(公告)日：2022-04-21
申请号：US17429460
申请日：2020-02-10
Inventor： Tomoki ITO , Yasufumi TAKAHASHI , Atsushi SHIMIZU
IPC: H01M8/04858 , H02J7/00 , H01M8/0606 , H01M8/04082
Abstract: An electric power supply system includes: a hydrogen production device producing hydrogen using electric power supplied from a natural-energy power generator; a hydrogen storage device storing the produced hydrogen; a fuel cell system generating electricity using the stored hydrogen to supply the generated electric power to a load; an electric power accumulator accumulating electric power supplied from the natural-energy power generator, to supply the accumulated power to the load; and a control device controls supply of electric power from the fuel cell system and the electric power accumulator to the load. The control device executes a first control for supplying electric power to the load from each of the electric power accumulator and the fuel cell system in a time zone in which demanded power of the load is smaller than electric power dischargeable from the electric power accumulator.
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