Power supply/demand control system
First Claim
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1. An electric power supply and demand management system comprising:
- an electric power supplier;
an electric power transmission system;
electric power consuming nodes, each having an electric power generator, connected to said electric power transmission system and classified into groups, each comprising a plurality of nodes;
a first calculation unit configured to obtain a difference between a total of electric power supplied from said electric power supplier to said node or said group and a total of electric power consumed by an electric power load of said node or said group; and
a first transmission unit configured to transmit information for increasing/decreasing an amount of electric power supply to said electric power supplier so that said difference becomes smaller,wherein said first calculation unit determines at least one of a selling price of electric power from said electric power supplier to said node or said group and a purchase price of electric power purchased from said node or said group and sold to said electric power supplier, by using said difference between a total of electric power supply from said electric power supplier to said node or said group and a total of electric power consumed by an electric power load at said node or said group as a parameter, andsaid first transmission unit transmits at least one of said selling price and said purchase price to said node or said group,wherein said electric power supplier has a reception unit configured to receive information selected from the group consisting of an electric power charge, an amount of electric power consumption and an electric power supply capacity of said node or said group,said first calculation unit determines an amount of electric power and a purchase price of electric power demanded by said electric power supplier for each node, which can sell electric power among said nodes, on the basis of said information selected from the group consisting of an electric power charge, an amount of electric power consumption and an electric power supply capacity of said node or said group, andsaid first transmission unit transmits at least one of said amount of electric power and said purchase price demanded by said electric power supplier to said node.
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Abstract
In order to effectively supply and demand electric power between an electric power supplier and a node or a group of nodes individually having an electric power generator, the present invention provides an electric power supply and demand management system capable of obtaining the difference between the total of electric power supplied from the electric power supplier to the node or group and the total of electric power consumed by the electric power loads of the node or group and capable of transmitting information for increasing/decreasing the amount of electric power supply so that the difference becomes smaller to the electric power supplier.
44 Citations
14 Claims
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1. An electric power supply and demand management system comprising:
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an electric power supplier; an electric power transmission system; electric power consuming nodes, each having an electric power generator, connected to said electric power transmission system and classified into groups, each comprising a plurality of nodes; a first calculation unit configured to obtain a difference between a total of electric power supplied from said electric power supplier to said node or said group and a total of electric power consumed by an electric power load of said node or said group; and a first transmission unit configured to transmit information for increasing/decreasing an amount of electric power supply to said electric power supplier so that said difference becomes smaller, wherein said first calculation unit determines at least one of a selling price of electric power from said electric power supplier to said node or said group and a purchase price of electric power purchased from said node or said group and sold to said electric power supplier, by using said difference between a total of electric power supply from said electric power supplier to said node or said group and a total of electric power consumed by an electric power load at said node or said group as a parameter, and said first transmission unit transmits at least one of said selling price and said purchase price to said node or said group, wherein said electric power supplier has a reception unit configured to receive information selected from the group consisting of an electric power charge, an amount of electric power consumption and an electric power supply capacity of said node or said group, said first calculation unit determines an amount of electric power and a purchase price of electric power demanded by said electric power supplier for each node, which can sell electric power among said nodes, on the basis of said information selected from the group consisting of an electric power charge, an amount of electric power consumption and an electric power supply capacity of said node or said group, and said first transmission unit transmits at least one of said amount of electric power and said purchase price demanded by said electric power supplier to said node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification