JP2024069136A - Power interchange control device and power interchange method - Google Patents

Power interchange control device and power interchange method Download PDF

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JP2024069136A
JP2024069136A JP2023119716A JP2023119716A JP2024069136A JP 2024069136 A JP2024069136 A JP 2024069136A JP 2023119716 A JP2023119716 A JP 2023119716A JP 2023119716 A JP2023119716 A JP 2023119716A JP 2024069136 A JP2024069136 A JP 2024069136A
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明宏 小川
隆久 細井
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Chugoku Electric Power Co Inc
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    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
    • G—PHYSICS
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    • G06Q50/06—Energy or water supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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    • H—ELECTRICITY
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    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
    • H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28—Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/20—Circuit arrangements or systems for wireless supply or distribution of electric power using microwaves or radio frequency waves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
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Abstract

Figure 2024069136000001

【課題】電力の送電時又は受電時も移動する電気機器の蓄電池と、電力系統との間で電力取引を行う電力融通制御装置及びこれを用いた電力融通方法を提供する。
【解決手段】蓄電池を有する電気機器と電力系統との間で電力融通を行う制御装置であって、電気機器の位置情報を取得する電気機器位置情報取得部と、電気機器の蓄電池と無線電力移送を行う電力系統に接続された複数の無線電力移送装置の位置情報を保存した保存部と、電気機器位置情報取得部から取得された電気機器の位置及び保存部に保存された無線電力移送装置の位置から、複数の無線電力移送装置のうち、無線電力移送可能な無線電力移送装置を特定する無線電力移送装置特定部と、電気機器の蓄電池と、特定された無線電力移送装置との間の電力融通の指示を行う電力融通指示部と、を備える電力融通制御装置。
【選択図】図３

Figure 2024069136000001

A power interchange control device that performs power trading between a storage battery of an electrical device that moves even when transmitting or receiving power and a power grid, and a power interchange method using the same are provided.
[Solution] A control device that exchanges power between an electrical device having a storage battery and a power system, comprising: an electrical device position information acquisition unit that acquires position information of the electrical device; a storage unit that stores position information of a plurality of wireless power transfer devices connected to the power system that transfers wireless power between the storage battery of the electrical device; a wireless power transfer device identification unit that identifies a wireless power transfer device among the plurality of wireless power transfer devices that is capable of wireless power transfer based on the position of the electrical device acquired from the electrical device position information acquisition unit and the positions of the wireless power transfer devices stored in the storage unit; and a power exchange instruction unit that issues instructions for power exchange between the storage battery of the electrical device and the identified wireless power transfer device.
[Selected figure] Figure 3

Description

本発明は、電気機器の蓄電池に充電された電力又は電気機器の蓄電池の空き容量をＶＰＰに活用する技術に関する。 The present invention relates to a technology that utilizes the power stored in the storage battery of an electrical device or the free capacity of the storage battery of an electrical device for VPP.

従来、電気自動車の蓄電池への充電において、充電装置を利用したユーザーと充電装置の電力量計を識別し、充電による課金情報をユーザーに提示する技術が開示されている（特許文献１）。
また、電力取引に、携帯可能な電子機器の蓄電池に充電された電力を用いる技術がある（特許文献２）。 Conventionally, a technique has been disclosed for charging a storage battery of an electric vehicle, in which the user using a charging device and the watt-hour meter of the charging device are identified, and billing information for charging is presented to the user (Patent Document 1).
Furthermore, there is a technology for using power stored in a storage battery of a portable electronic device in power trading (Patent Document 2).

特開２０１４－５０８２７０号公報JP 2014-508270 A 特開２０１５－１１５９８３号公報JP 2015-115983 A

電気自動車に搭載された蓄電池を、ＶＰＰ（Ｖｉｒｔｕａｌ Ｐｏｗｅｒ Ｐｌａｎｔ）と呼ばれる電力系統と蓄電池との間で送受電を行う電力取引に利用することが考えられている。電気自動車の蓄電池は、ＶＰＰに利用される時、電気自動車を停車させ、送受電装置にケーブルで接続される。
この場合、送受電を行っている、電気自動車の蓄電池と送受電装置とは一対一で対応する。そのため、どの電気自動車の蓄電池が、どの送受電装置で電力の取引を行っているのかを把握することは容易である。 It is being considered to use the storage batteries mounted on electric vehicles for power trading, which transmits and receives electricity between a power system called a Virtual Power Plant (VPP) and the storage batteries. When the storage batteries of the electric vehicles are used for the VPP, the electric vehicles are stopped and connected to a power transmitting and receiving device by a cable.
In this case, the electric vehicle storage battery and the power transmitting/receiving device that transmits and receives power correspond one-to-one, so it is easy to know which electric vehicle storage battery is trading power with which power transmitting/receiving device.

しかし、ＶＰＰに利用する蓄電池が、電力の送電時又は受電時も移動する電気機器の蓄電池である場合、上述した従来の送受電装置による方法では電力の取引は困難である。これは、送受電装置は固定されているため、ＶＰＰに利用する蓄電池の移動に対応できないためである。 However, if the storage battery used for the VPP is a storage battery for an electrical device that moves when transmitting or receiving electricity, it is difficult to trade electricity using the method using the conventional electricity transmitting and receiving device described above. This is because the electricity transmitting and receiving device is fixed and cannot accommodate the movement of the storage battery used for the VPP.

そこで、本発明は、電力の送電時又は受電時も移動する電気機器の蓄電池と、電力系統との間で電力取引を行う電力融通制御装置及びこれを用いた電力融通方法を提供する。 The present invention provides a power interchange control device that trades power between a storage battery of an electrical device that is mobile even when transmitting or receiving power, and a power grid, and a power interchange method using the same.

本発明に係る電力融通制御装置は、蓄電池を有する電気機器と電力系統との間で電力融通を行う制御装置であって、電気機器の位置情報を取得する電気機器位置情報取得部と、電気機器の蓄電池と無線電力移送を行う電力系統に接続された複数の無線電力移送装置の位置情報を保存した保存部と、電気機器位置情報取得部から取得された電気機器の位置及び保存部に保存された無線電力移送装置の位置から、複数の無線電力移送装置のうち、無線電力移送可能な無線電力移送装置を特定する無線電力移送装置特定部と、電気機器の蓄電池と、特定された無線電力移送装置との間の電力融通の指示を行う電力融通指示部と、を備える。 The power interchange control device according to the present invention is a control device that interchanges power between an electrical device having a storage battery and a power system, and includes an electrical device position information acquisition unit that acquires position information of the electrical device, a storage unit that stores position information of a plurality of wireless power transfer devices connected to the power system that performs wireless power transfer between the storage battery of the electrical device, a wireless power transfer device identification unit that identifies a wireless power transfer device capable of wireless power transfer among the plurality of wireless power transfer devices based on the position of the electrical device acquired from the electrical device position information acquisition unit and the position of the wireless power transfer device stored in the storage unit, and a power interchange instruction unit that issues an instruction for power interchange between the storage battery of the electrical device and the identified wireless power transfer device.

本発明によって、電気機器の蓄電池と、電力系統に接続された無線電力移送装置との間で電力融通を行う無線電力移送装置を特定することができる。これによって、電気機器の蓄電池と電力系統との間で、無線電力移送装置を介して電力の融通を行うことができる。 The present invention makes it possible to identify a wireless power transfer device that transfers power between a storage battery of an electrical device and a wireless power transfer device connected to a power system. This makes it possible to transfer power between the storage battery of an electrical device and the power system via the wireless power transfer device.

本発明の実施形態に係る電力融通システムを示す図。FIG. 1 is a diagram showing a power interchange system according to an embodiment of the present invention. 電力融通制御装置１を示すブロック図。FIG. 1 is a block diagram showing a power interchange control device 1. 制御部１０を示すブロック図。FIG. 2 is a block diagram showing a control unit 10.

以降、本発明を実施するための形態（“本実施形態”という）を、図等を参照しながら詳細に説明する。本実施形態は、蓄電池を備える電気機器と電力系統との間で電力融通を行う制御装置である。 Hereinafter, a mode for carrying out the present invention (referred to as the "present embodiment") will be described in detail with reference to the drawings. The present embodiment is a control device that exchanges power between an electrical device equipped with a storage battery and a power grid.

［電力融通システム１００］
図１は、本実施形態の電力融通制御装置を用いた電力融通システム１００の全体構成を示す図である。図１に示すように、電力融通システム１００は、電力融通制御装置１と電力系統２と無線電力移送装置３と電気機器４とネットワーク５とを備える。 [Power interchange system 100]
1 is a diagram showing the overall configuration of a power interchange system 100 using the power interchange control device of this embodiment. As shown in FIG. 1, the power interchange system 100 includes a power interchange control device 1, a power grid 2, a wireless power transfer device 3, an electric device 4, and a network 5.

説明の便宜上、図１には、１台の無線電力移送装置３と１台の電気機器とを示したが、実際には複数の無線電力移送装置３と複数の電気機器４が用いられる。 For ease of explanation, FIG. 1 shows one wireless power transfer device 3 and one electrical device, but in practice multiple wireless power transfer devices 3 and multiple electrical devices 4 are used.

電力系統２は、例えば、送電網、配電網及び変電所等を含む。電気事業者と需要家（以下、「ユーザー」ともいう）は、電力系統２を介して電力の融通を行う。 The power system 2 includes, for example, a power transmission network, a power distribution network, and substations. Electricity suppliers and consumers (hereinafter also referred to as "users") exchange electricity through the power system 2.

無線電力移送装置３は、電力系統２から電気機器４の蓄電池又は電気機器４の蓄電池から電力系統２に一方向又は双方向の無線電力移送を行う。電力移送は、送電又は受電の何れか一方又はその両方を意味する。また、無線電力移送は、無線送電技術を用いて前述の電力移送を行うことを意味する。
無線送電技術は、電波受信による方法、電磁誘導による方法又は磁界共鳴による方法等が挙げられる。この中でも、送電可能距離の観点から電波受信による方法が好ましい。また、無線電力移送装置３は、電気機器４との間で無線電力移送を行う際に、電気機器４の移動に合わせて電波の送信方向を変更する機能を備えるのが好ましい。 The wireless power transfer device 3 performs unidirectional or bidirectional wireless power transfer from the power system 2 to the storage battery of the electric device 4 or from the storage battery of the electric device 4 to the power system 2. Power transfer means either or both of power transmission and power reception. Wireless power transfer also means performing the above-mentioned power transfer using wireless power transmission technology.
Examples of wireless power transmission techniques include a method using radio wave reception, a method using electromagnetic induction, and a method using magnetic field resonance. Among these, a method using radio wave reception is preferable from the viewpoint of the distance that power can be transmitted. In addition, it is preferable that the wireless power transfer device 3 has a function of changing the transmission direction of radio waves according to the movement of the electrical device 4 when wireless power transfer is performed between the wireless power transfer device 3 and the electrical device 4.

無線電力移送装置３は、電力融通制御装置１と後述するネットワーク５を介して通信可能な装置である。また、無線電力移送装置３は、電力量計を備える。無線電力移送装置３は、電力量計によって取得された電気機器４へ電力移送した電力量、又は電気機器４から電力移送された電力量の情報をネットワーク５を介して電力融通制御装置１に送信する。当該電力量の情報は、後述する保存部３０に保存される。 The wireless power transfer device 3 is a device capable of communicating with the power interchange control device 1 via a network 5, which will be described later. The wireless power transfer device 3 also includes a watt-hour meter. The wireless power transfer device 3 transmits information on the amount of power transferred to the electrical device 4, or the amount of power transferred from the electrical device 4, acquired by the watt-hour meter, to the power interchange control device 1 via the network 5. The information on the amount of power is stored in a storage unit 30, which will be described later.

無線電力移送装置３は、屋外及び屋内のどちらに設置されてもよい。屋外の設置場所は、例えば、電柱、街路灯、建築物の外壁、及び路面等が挙げられる。また、屋内の設置場所は、例えば、商業施設内、駅構内、及び住宅内等が挙げられる、 The wireless power transfer device 3 may be installed either outdoors or indoors. Examples of outdoor installation locations include utility poles, street lights, exterior walls of buildings, and road surfaces. Examples of indoor installation locations include commercial facilities, train stations, and homes.

電気機器４は、蓄電池を備える。また、電気機器４は、蓄電池から外部に送電、又は外部から蓄電池に受電の何れか一方又は両方が可能な電力移送インターフェースを備える。電力移送インターフェースは無線送電技術によるものである。電気機器４は、蓄電池の状態を監視する蓄電池監視部を備える。当該蓄電池監視部により、蓄電池の充電残量、及び蓄電池の送電量又は受電量等を取得する。
さらに、電気機器４は、電力融通制御装置１と後述するネットワーク５を介して通信可能な装置である。電気機器４は、一定時間おき（例えば、１０分おき）に、電気機器４の蓄電池の充電残量と、電気機器４の位置を表す位置情報とを含む電気機器情報を、ネットワーク５を介して電力融通制御装置１に送信する。当該電気機器情報は、後述する保存部３０に保存される。 The electric device 4 includes a storage battery. The electric device 4 also includes a power transfer interface that can transmit power from the storage battery to the outside and/or receive power from the outside to the storage battery. The power transfer interface is based on wireless power transmission technology. The electric device 4 includes a storage battery monitoring unit that monitors the state of the storage battery. The storage battery monitoring unit acquires the remaining charge of the storage battery and the amount of power transmitted or received by the storage battery, etc.
Furthermore, the electric appliance 4 is an appliance capable of communicating with the power interchange control device 1 via a network 5 described later. The electric appliance 4 transmits electric appliance information, including the remaining charge of the storage battery of the electric appliance 4 and location information indicating the location of the electric appliance 4, to the power interchange control device 1 via the network 5 at regular time intervals (e.g., every 10 minutes). The electric appliance information is stored in a storage unit 30 described later.

電気機器４は、例えば、ＧＰＳ（Ｇｌｏｂａｌ Ｐｏｓｉｔｉｏｎｉｎｇ Ｓｙｓｔｅｍ）受信機、ビーコン受信機、Ｗｉ－Ｆｉ（Ｗｉｒｅｌｅｓｓ Ｆｉｄｅｌｉｔｙ）受信機等によって、位置情報を取得する。 The electrical device 4 acquires location information, for example, using a GPS (Global Positioning System) receiver, a beacon receiver, a Wi-Fi (Wireless Fidelity) receiver, etc.

電気機器４は、例えば、スマートフォン、タブレット、携帯電話機、ノートＰＣ（パーソナルコンピュータ）、ゲーム機、デジタルカメラ、ビデオカメラ等の携帯電子機器及び電気自動車、電動バイク等の電動モビリティが挙げられる。 Examples of the electrical device 4 include portable electronic devices such as smartphones, tablets, mobile phones, notebook PCs (personal computers), game consoles, digital cameras, and video cameras, as well as electric mobility devices such as electric cars and electric motorcycles.

ネットワーク５は、例えば、インターネットプロトコル（Ｉｎｔｅｒｎｅｔ Ｐｒｏｔｏｃｏｌ；ＩＰ）によって通信可能なコンピュータネットワークである。なお、ネットワーク５は、ローカルエリアネットワーク（Ｌｏｃａｌ Ａｒｅａ Ｎｅｔｗｏｒｋ；ＬＡＮ）、携帯電話網も含んでいる。また、ネットワーク５は、インターネットに接続されていてもよい。 The network 5 is, for example, a computer network capable of communicating by the Internet Protocol (IP). The network 5 also includes a local area network (LAN) and a mobile phone network. The network 5 may also be connected to the Internet.

＜電力融通制御装置１＞
図２に示すように電力融通制御装置１は、制御部１０と保存部３０と通信部４０とを備える。 <Power interchange control device 1>
As shown in FIG. 2 , the power interchange control device 1 includes a control unit 10 , a storage unit 30 , and a communication unit 40 .

制御部１０は、電力融通制御装置１の全体を制御する。制御部１０は、例えば、ＣＰＵ（Ｃｅｎｔｒａｌ Ｐｒｏｃｅｓｓｉｎｇ Ｕｎｉｔ）、ＤＳＰ（Ｄｉｇｉｔａｌ Ｓｉｇｎａｌ Ｐｒｏｃｅｓｓｏｒ）、ＦＰＧＡ（Ｆｉｅｌｄ－Ｐｒｏｇｒａｍｍａｂｌｅ Ｇａｔｅ Ａｒｒａｙ）等の演算プロセッサで構成される。図３に示すように制御部１０の各種機能、すなわち電気機器位置情報取得部１１、無線電力移送装置特定部１２、電力融通指示部１３、電気機器充電残量取得部１４、電力移送効率取得部１５、無線電力移送装置切替部１６、無線電力移送装置電力量計特定部１７、ユーザー電力量計特定部１８及び電力量計調整部１９は、例えば記憶部３０に格納された所定のソフトウェア（プログラム又はアプリケーション）を実行することで実現される。制御部１０の各種機能、すなわち電気機器位置情報取得部１１、無線電力移送装置特定部１２、電力融通指示部１３、電気機器充電残量取得部１４、電力移送効率取得部１５、無線電力移送装置切替部１６、無線電力移送装置電力量計特定部１７、ユーザー電力量計特定部１８、及び電力量計調整部１９は、ハードウェアとソフトウェアとの協働で実現されてもよいし、ハードウェア（電子回路）のみで実現されてもよい。 The control unit 10 controls the entire power interchange control device 1. The control unit 10 is composed of an arithmetic processor such as a CPU (Central Processing Unit), a DSP (Digital Signal Processor), and an FPGA (Field-Programmable Gate Array). As shown in FIG. 3, the various functions of the control unit 10, namely, the electrical device position information acquisition unit 11, the wireless power transfer device identification unit 12, the power interchange instruction unit 13, the electrical device remaining charge acquisition unit 14, the power transfer efficiency acquisition unit 15, the wireless power transfer device switching unit 16, the wireless power transfer device power meter identification unit 17, the user power meter identification unit 18, and the power meter adjustment unit 19, are realized, for example, by executing a predetermined software (program or application) stored in the memory unit 30. The various functions of the control unit 10, i.e., the electrical device position information acquisition unit 11, the wireless power transfer device identification unit 12, the power interchange instruction unit 13, the electrical device remaining charge acquisition unit 14, the power transfer efficiency acquisition unit 15, the wireless power transfer device switching unit 16, the wireless power transfer device power meter identification unit 17, the user power meter identification unit 18, and the power meter adjustment unit 19, may be realized by a combination of hardware and software, or may be realized by hardware (electronic circuits) alone.

保存部３０は、所定のソフトウェア（プログラム又はアプリケーション）を保存する。保存部３０は、例えば、ＲＯＭ（Ｒｅａｄ Ｏｎｌｙ Ｍｅｍｏｒｙ）、ＨＤＤ（Ｈａｒｄ Ｄｉｓｃ Ｄｒｉｖｅ）、又はＳＳＤ（Ｓｏｌｉｄ Ｓｔａｔｅ Ｄｒｉｖｅ）等の書き換え可能なメモリで構成される。 The storage unit 30 stores predetermined software (programs or applications). The storage unit 30 is composed of rewritable memory such as a ROM (Read Only Memory), a HDD (Hard Disc Drive), or a SSD (Solid State Drive).

保存部３０は、無線電力移送装置３及び電気機器４から送信された情報を保存する。また、保存部３０は、複数の無線電力移送装置３の位置情報、電気機器４のユーザー情報、及び電気機器４のユーザーが属する世帯の電気契約情報等の電力融通を行うために必要な情報を予め保存する。 The storage unit 30 stores information transmitted from the wireless power transfer device 3 and the electrical device 4. The storage unit 30 also stores in advance information necessary for power interchange, such as location information of multiple wireless power transfer devices 3, user information of the electrical device 4, and electricity contract information of the household to which the user of the electrical device 4 belongs.

通信部４０は、ネットワーク５を介して無線電力移送装置３と電気機器４とが取得した情報及び電力融通制御装置１からの制御信号の送受信を行う。 The communication unit 40 transmits and receives information acquired by the wireless power transfer device 3 and the electrical equipment 4 via the network 5, as well as control signals from the power interchange control device 1.

電気機器位置情報取得部１１は、電気機器４の位置情報を取得する。 The electrical device location information acquisition unit 11 acquires location information of the electrical device 4.

無線電力移送装置特定部１２は、電気機器４の位置情報と保存部３０に保存された無線電力移送装置３の位置情報とを基に、当該電気機器４と送電可能な無線電力移送装置３を特定する。当該特定された無線電力移送装置３は、複数の特定された無線電力移送装置３であってもよい。
無線電力移送装置３の特定は、例えば、電気機器４の位置から所定の距離内（例えば、１０ｍ以内）であるか否かを基に行う。当該所定の距離は、無線電力移送装置３及び電気機器４で用いられる無線送電技術が無線電力移送可能な距離の範囲で設定することができる。 The wireless power transfer device identifying unit 12 identifies a wireless power transfer device 3 capable of transmitting power to the electrical device 4, based on the position information of the electrical device 4 and the position information of the wireless power transfer device 3 stored in the storage unit 30. The identified wireless power transfer device 3 may be a plurality of identified wireless power transfer devices 3.
The wireless power transfer device 3 is identified based on, for example, whether it is within a predetermined distance (for example, within 10 m) from the position of the electric device 4. The predetermined distance can be set within a distance range in which the wireless power transmission technology used in the wireless power transfer device 3 and the electric device 4 can transfer wireless power.

電力融通指示部１３は、電力機器４及び無線電力移送装置３に対して、電気機器４と特定された無線電力移送装置３との間で無線電力移送によって、電力の融通を行う指示を与える。当該電力融通を行う指示は、１つの電気機器４に対して複数の特定された無線電力移送装置３が無線電力移送を行う指示であってもよい。 The power interchange instruction unit 13 instructs the electric power device 4 and the wireless power transfer device 3 to interchange power by wireless power transfer between the electric power device 4 and the identified wireless power transfer device 3. The instruction to interchange power may be an instruction for multiple identified wireless power transfer devices 3 to transfer wireless power to one electric device 4.

電気機器充電残量取得部１４は、電気機器４から電気機器４の蓄電池の充電残量を取得する。電力融通指示部１３は、当該充電残量に基づき、当該電気機器４の蓄電池と特定された無線電力移送装置３との間で、電力融通の開始及び終了を決定する。 The electrical device remaining charge acquisition unit 14 acquires the remaining charge of the storage battery of the electrical device 4 from the electrical device 4. The power interchange instruction unit 13 determines the start and end of power interchange between the storage battery of the electrical device 4 and the identified wireless power transfer device 3 based on the remaining charge.

電力融通の開始は、例えば、以下のように決定される。
特定された無線電力移送装置３から電気機器４の蓄電池への送電は、電気機器４の蓄電池の充電残量が基準値未満（例えば、９０％未満）の場合に開始する。
また、電気機器４の蓄電池から特定された無線電力移送装置３への送電は、電気機器４の蓄電池の充電残量が基準値以上（例えば、５１％以上）の場合に開始する。
当該２つの基準値は、電気機器４のユーザーが任意の値で設定することができる。 The start of power interchange is determined, for example, as follows.
Power transmission from the identified wireless power transfer device 3 to the storage battery of the electric device 4 starts when the remaining charge of the storage battery of the electric device 4 is less than a reference value (for example, less than 90%).
Furthermore, power transmission from the storage battery of the electric device 4 to the identified wireless power transfer device 3 starts when the remaining charge of the storage battery of the electric device 4 is equal to or greater than a reference value (for example, 51% or greater).
The two reference values can be set by the user of the electrical device 4 to any value.

電力融通の終了は、例えば、以下のように決定される。
特定された無線電力移送装置３から電気機器４の蓄電池への送電は、電気機器４の蓄電池の充電残量が基準値以上（例えば、９０％以上）の場合に終了する。
また、電気機器４の蓄電池から特定された無線電力移送装置３への送電は、電気機器４の蓄電池の充電残量が基準値未満（例えば、５１％未満）の場合に終了する。
当該２つの基準値は、電気機器４のユーザーが任意の値で設定することができる。 The end of power interchange is determined, for example, as follows.
Power transmission from the identified wireless power transfer device 3 to the storage battery of the electric device 4 is terminated when the remaining charge of the storage battery of the electric device 4 is equal to or greater than a reference value (eg, 90% or greater).
Furthermore, power transmission from the storage battery of the electric device 4 to the identified wireless power transfer device 3 is terminated when the remaining charge of the storage battery of the electric device 4 is less than a reference value (for example, less than 51%).
The two reference values can be set by the user of the electrical device 4 to any value.

電気事業者は、電力供給が電力需要を上回ることが予測される場合（以下、「発電量過剰時」）又は電力需要が電力供給を上回ることが予測される場合（以下、「発電量不足時」）、特定された無線電力移送装置３と電気機器４の蓄電池との間で、電力融通の開始を決定する基準値又は終了を決定する基準値、又はその両方の基準値を変更することができる。当該基準値の変更は、電気機器４のユーザーの許可によって行うことができる。当該電気機器４のユーザーの許可は、電気事業者が発電量過剰時又は発電量不足時に当該電気機器４のユーザーに通知を行うことによって許可を得てもよいし、当該電気機器４のユーザーに予め許可を得ていてもよい。 When power supply is predicted to exceed power demand (hereinafter, "when there is excess power generation") or when power demand is predicted to exceed power supply (hereinafter, "when there is insufficient power generation"), the electric utility may change the reference value that determines the start or end of power exchange, or both, between the identified wireless power transfer device 3 and the storage battery of the electric device 4. The change of the reference value may be made with the permission of the user of the electric device 4. The permission of the user of the electric device 4 may be obtained by the electric utility notifying the user of the electric device 4 when there is excess power generation or insufficient power generation, or permission may be obtained in advance from the user of the electric device 4.

当該基準値の変更は、例えば、以下のように行う。
特定された無線電力移送装置３から電気機器４の蓄電池への送電について、発電量過剰時の場合を説明する。
電気機器４のユーザーが、電力融通の開始の基準値を当該電気機器４の蓄電池の充電残量が９０％未満、電力融通の終了の基準値を当該電気機器４の蓄電池の充電残量が９０％以上としていたとする。電気事業者は、当該電気機器４のユーザーの許可によって、電力融通の開始の基準値を当該電気機器４の蓄電池の充電残量が１００％未満、電力融通の終了の基準値を当該電気機器４の蓄電池の充電残量が１００％に変更することができる。
電気機器４の蓄電池から特定された無線電力移送装置３への送電について、発電不足剰時の場合を説明する。
電気機器４のユーザーが、電力融通の開始の基準値を当該電気機器４の蓄電池の充電残量が５１％以上、電力融通の終了の基準値を当該電気機器４の蓄電池の充電残量が５１％未満としていたとする。電気事業者は、当該電気機器４のユーザーの許可によって、電力融通の開始の基準値を当該電気機器４の蓄電池の充電残量が３１％以上、電力融通の終了の基準値を当該電気機器４の蓄電池の充電残量が３１％未満に変更することができる。 The reference value is changed, for example, as follows.
The power transmission from the identified wireless power transfer device 3 to the storage battery of the electric device 4 in the case where the amount of power generation is excessive will be described.
Suppose that the user of the electric device 4 sets the reference value for starting power interchange when the remaining charge of the storage battery of the electric device 4 is less than 90% and the reference value for ending power interchange when the remaining charge of the storage battery of the electric device 4 is 90% or more. With the permission of the user of the electric device 4, the electric utility can change the reference value for starting power interchange to when the remaining charge of the storage battery of the electric device 4 is less than 100% and the reference value for ending power interchange to when the remaining charge of the storage battery of the electric device 4 is 100%.
A case where there is a power generation deficiency will be described with regard to power transmission from the storage battery of the electric device 4 to the specified wireless power transfer device 3.
Suppose that the user of an electric device 4 sets the reference value for starting power interchange when the remaining charge of the storage battery of the electric device 4 is 51% or more, and the reference value for ending power interchange when the remaining charge of the storage battery of the electric device 4 is less than 51%. With the permission of the user of the electric device 4, the electric utility can change the reference value for starting power interchange to when the remaining charge of the storage battery of the electric device 4 is 31% or more, and the reference value for ending power interchange to when the remaining charge of the storage battery of the electric device 4 is less than 31%.

電力移送効率取得部１５は、電気機器４の蓄電池と無線電力移送装置３との無線電力移送による電力移送の効率を取得する。 The power transfer efficiency acquisition unit 15 acquires the efficiency of power transfer by wireless power transfer between the storage battery of the electrical device 4 and the wireless power transfer device 3.

電力移送効率の計算は、例えば、以下のような方法で行う。
無線電力移送装置３から電気機器４の蓄電池に対して電力を無線電力移送する場合、無線電力移送装置３からの送電量をＥ３ｔとし、電気機器４の蓄電池の受電量をＥ４ｒとする。電力移送効率は、下記式（ａ）で求められる。
Ｅ４ｒ／Ｅ３ｔ・・・（ａ）
また、電気機器４の蓄電から池無線電力移送装置３に対して電力を無線電力移送する場合、電気機器４の蓄電池からの送電量をＥ４ｔとし、無線電力移送装置３の受電量をＥ３ｒとする。電力移送効率は、下記式（ｂ）で求められる。
Ｅ３ｒ／Ｅ４ｔ・・・（ｂ） The power transfer efficiency is calculated, for example, in the following manner.
When power is wirelessly transferred from the wireless power transfer device 3 to the storage battery of the electrical device 4, the amount of power transmitted from the wireless power transfer device 3 is denoted as E3t , and the amount of power received by the storage battery of the electrical device 4 is denoted as E4r . The power transfer efficiency is calculated by the following formula (a).
E4r / E3t ... (a)
Furthermore, when power is wirelessly transferred from the storage battery of the electric device 4 to the wireless power transfer device 3, the amount of power transmitted from the storage battery of the electric device 4 is denoted as E4t , and the amount of power received by the wireless power transfer device 3 is denoted as E3r . The power transfer efficiency is calculated by the following formula (b).
E3r / E4t ... (b)

無線電力移送装置切替部１６は、取得した電力移送効率が基準値以上（例えば、８０％以上）であるかに基づき、電気機器４の蓄電池と無線電力移送を行う無線電力移送装置３を、前述の特定された無線電力移送装置３とは異なる無線電力移送装置３に切替る。 The wireless power transfer device switching unit 16 switches the wireless power transfer device 3 that performs wireless power transfer with the storage battery of the electrical device 4 to a wireless power transfer device 3 different from the identified wireless power transfer device 3 described above, based on whether the acquired power transfer efficiency is equal to or greater than a reference value (e.g., 80% or greater).

例えば、式（ａ）又は（ｂ）によって得られた電力移送効率が基準値未満となった場合、無線電力移送装置特定部１２によって、電気機器４の蓄電池と無線電力移送可能な異なる無線電力移送装置３を特定する。 For example, if the power transfer efficiency obtained by formula (a) or (b) is less than a reference value, the wireless power transfer device identification unit 12 identifies a different wireless power transfer device 3 that can transfer wireless power to the storage battery of the electrical device 4.

電力融通指示部１３は、特定された異なる無線電力移送装置３によって、電力機器４の蓄電池と無線電力移送装置３の間で電力の融通を行う指示を与える。 The power interchange instruction unit 13 issues an instruction to interchange power between the storage battery of the power device 4 and the wireless power transfer device 3 by the identified different wireless power transfer device 3.

電気機器４の蓄電池と何れの特定された異なる無線電力移送装置３との間でも電力移送効率が、前述の基準値未満の場合、電力融通指示部１３は、電力の融通を終了する指示を与える。 If the power transfer efficiency between the storage battery of the electrical device 4 and any of the identified different wireless power transfer devices 3 is less than the aforementioned reference value, the power interchange instruction unit 13 issues an instruction to end the power interchange.

無線電力移送装置電力量計特定部１７は、電気機器４の蓄電池と無線電力移送を行っている無線電力移送装置３の電力量を測定している電力量計（以下、電力量計Ａ）を特定する。 The wireless power transfer device power meter identification unit 17 identifies the power meter (hereinafter, power meter A) that measures the amount of power of the wireless power transfer device 3 that is performing wireless power transfer with the storage battery of the electrical device 4.

ユーザー電力量計特定部１８は、電気機器４のユーザー情報を保存部３０から取得する。また、ユーザー電力量計特定部１８は、当該ユーザー情報を基に電気機器４のユーザーが属する世帯の電気契約と保存部３０から取得する。当該電気契約情報によって、ユーザーの属する世帯が利用している電力量計（以下、電力量計Ｂ）を特定する。 The user watt-hour meter identification unit 18 acquires user information of the electrical device 4 from the storage unit 30. In addition, the user watt-hour meter identification unit 18 acquires the electricity contract of the household to which the user of the electrical device 4 belongs from the storage unit 30 based on the user information. The electricity contract information is used to identify the watt-hour meter (hereinafter, watt-hour meter B) used by the household to which the user belongs.

電力量計調整部１９は、無線電力移送装置３が電気機器４の蓄電池との無線電力移送によって、電力量計Ａ及び電力量計Ｂがそれぞれ測定した電力量を調整する。 The watt-hour meter adjustment unit 19 adjusts the amount of power measured by the watt-hour meter A and the watt-hour meter B by wireless power transfer between the wireless power transfer device 3 and the storage battery of the electrical device 4.

電力量計Ａ及び電力量計Ｂによる電力量の調整は、例えば、以下のように行う。
無線電力移送装置３から電気機器４の蓄電池へ無線電力移送を行う場合、当該無線電力移送による電力量は電力量計Ａで測定される。当該電力量に係る電力は、電気機器４のユーザーが利用したものである。そのため、電力量計Ａによって測定された電力量に係る料金は電気機器４のユーザーが負担するものである。そこで、電力量計調整部１９は、電力量計Ａにより測定された電力量を、電力量計Ｂの測定値から調整する。
また、電気機器４の蓄電池から無線電力移送装置３へ無線電力移送を行う場合、当該無線電力移送による電力量は電力量計Ａで測定される。当該電力量に係る電力は、電気機器４のユーザーが電気事業者に売却したものである。そのため、電力量計Ａによって測定された電力量に係る売電利益は電気機器４のユーザーが得るものである。そこで、電力量計調整部１９は、電力量計Ａにより測定された電力量を、電力量計Ｂの測定値から調整する。 The adjustment of the amount of power by the watthour meter A and the watthour meter B is performed, for example, as follows.
When wireless power transfer is performed from the wireless power transfer device 3 to the storage battery of the electrical device 4, the amount of power transferred wirelessly is measured by watthour meter A. The power related to this amount of power is used by the user of the electrical device 4. Therefore, the user of the electrical device 4 is responsible for the fee related to the amount of power measured by watthour meter A. Therefore, the watthour meter adjustment unit 19 adjusts the amount of power measured by watthour meter A from the measurement value of watthour meter B.
Furthermore, when wireless power transfer is performed from the storage battery of the electrical device 4 to the wireless power transfer device 3, the amount of power transferred wirelessly is measured by the watt-hour meter A. The power related to this amount of power is sold by the user of the electrical device 4 to the electric utility company. Therefore, the profit from selling the power related to the amount of power measured by the watt-hour meter A is obtained by the user of the electrical device 4. Therefore, the watt-hour meter adjustment unit 19 adjusts the amount of power measured by the watt-hour meter A from the measurement value of the watt-hour meter B.

具体的には、無線電力移送装置３から電気機器４の蓄電池に５Ｗｈの電力を送電した場合、電力量計Ａの供給用指示数（電気事業者から需要家への送電量を示す値）から５Ｗｈを引き、電力量計Ｂの供給用指示数に５Ｗｈを足す。
また、電気機器４の蓄電池から無線電力移送装置３に５Ｗｈの電力を送電した場合、電力量計Ａの受給用指示数（需要家から電気事業者への送電量を示す値）から５Ｗｈを引き、電力量計Ｂの受給用指示数に５Ｗｈを足す。 Specifically, when 5 Wh of power is transmitted from the wireless power transfer device 3 to the storage battery of the electrical equipment 4, 5 Wh is subtracted from the supply indication number of the electricity meter A (a value indicating the amount of power transmitted from the electric utility to the consumer) and 5 Wh is added to the supply indication number of the electricity meter B.
In addition, when 5 Wh of power is transmitted from the storage battery of the electrical equipment 4 to the wireless power transfer device 3, 5 Wh is subtracted from the receiving indication number of the electricity meter A (a value indicating the amount of power transmitted from the consumer to the electric power supplier) and 5 Wh is added to the receiving indication number of the electricity meter B.

以上の通り、本発明者により、以下の（１）から（４）が提供される。
（１）蓄電池を有する電気機器４と電力系統２との間で電力融通を行う制御装置であって、
電気機器４の位置情報を取得する電気機器位置情報取得部１１と、
電気機器４の蓄電池と無線電力移送を行う電力系統２に接続された複数の無線電力移送装置３の位置情報を保存した保存部３０と、
電気機器位置情報取得部１１から取得された電気機器４の位置及び保存部３０に保存された無線電力移送装置３の位置から、複数の無線電力移送装置３のうち、無線電力移送可能な無線電力移送装置３を特定する無線電力移送装置特定部１２と、
電気機器４の蓄電池と、特定された無線電力移送装置３との間の電力融通の指示を行う電力融通指示部１３と、
を備える電力融通制御装置１。
（２）電気機器４の蓄電池の充電残量を取得する電気機器充電残量取得部１４と、
電気機器４の蓄電池の充電残量に基づき、電気機器４の蓄電池と特定された無線電力移送装置３に送電又は受電を行う指示をする電力融通指示部１３と、
電気機器４の蓄電池と特定された無線電力移送装置３との間の電力移送効率を取得する電力移送効率取得部１５と、
電力移送効率取得部１５によって取得された電力移送効率に基づき、電気機器４の蓄電池と無線電力移送を行う特定された無線電力移送装置３を、複数の無線電力移送装置３のうち特定された無線電力移送装置３とは異なる無線電力移送装置３に切替える無線電力移送装置切替部１６と、
を備える（１）に記載の電力融通制御装置１。
（３）特定された無線電力移送装置３の電力量計を特定する無線電力移送装置電力量計特定部１７と、
電気機器４のユーザーの電力契約情報を保存する保存部３０と、
電力契約情報に基づき、ユーザーの電力契約で利用されている電力量計を特定するユーザー電力量計特定部１８と、
特定された無線電力移送装置３の電力量計が示す無線電力移送量に基づき、特定された無線電力移送装置３の電力量計の測定値とユーザーの電力契約で利用されている電力量計の測定値とを調整する電力量計調整部１９と、
を備える、（１）又は（２）に記載の電力融通制御装置１。
（４）（１）から（３）に記載の電力融通制御装置１を利用した電力融通方法。 As described above, the present inventors provide the following (1) to (4).
(1) A control device that exchanges power between an electrical device 4 having a storage battery and a power grid 2,
an electrical device position information acquisition unit that acquires position information of an electrical device;
a storage unit that stores location information of a plurality of wireless power transfer devices connected to a power system that transfers wireless power to a storage battery of an electric device;
a wireless power transfer device identification unit that identifies a wireless power transfer device that is capable of wireless power transfer among a plurality of wireless power transfer devices based on the position of the electrical device acquired from the electrical device position information acquisition unit and the position of the wireless power transfer device stored in the storage unit;
a power interchange instruction unit that instructs an interchange of power between the storage battery of the electric device and the identified wireless power transfer device;
The power interchange control device 1 includes:
(2) an electrical device remaining charge acquisition unit 14 for acquiring a remaining charge of the storage battery of the electrical device 4;
a power interchange instruction unit that instructs a wireless power transfer device that is identified as the storage battery of the electric device to transmit or receive power based on the remaining charge of the storage battery of the electric device;
a power transfer efficiency acquisition unit that acquires a power transfer efficiency between the storage battery of the electric device and the identified wireless power transfer device;
a wireless power transfer device switching unit that switches the identified wireless power transfer device that transfers wireless power to the storage battery of the electrical device to a wireless power transfer device that is different from the identified wireless power transfer device among the multiple wireless power transfer devices, based on the power transfer efficiency acquired by the power transfer efficiency acquisition unit;
The power interchange control device 1 according to (1) is provided.
(3) a wireless power transmission device watthour meter identification unit 17 that identifies the watthour meter of the identified wireless power transmission device 3;
A storage unit 30 for storing power contract information of a user of the electrical device 4;
a user watt-hour meter identification unit that identifies a watt-hour meter used under a user's power contract based on power contract information;
a watthour meter adjustment unit that adjusts a measurement value of the watthour meter of the identified wireless power transfer device and a measurement value of a watthour meter used in a user's power contract based on a wireless power transfer amount indicated by the watthour meter of the identified wireless power transfer device;
The power interchange control device 1 according to (1) or (2) is provided with:
(4) A power interchange method using the power interchange control device 1 described in (1) to (3).

これにより、電力の送電時又は受電時も移動する電気機器４の蓄電池と電力系統２との間で、無線電力移送装置３を介して電力の融通を行うことができる。 This allows power to be exchanged between the storage battery of the moving electrical device 4 and the power grid 2 via the wireless power transfer device 3 even when transmitting or receiving power.

以上、本実施形態を説明したが、本実施形態は例として提示したものであり、発明の範囲を限定することを意図していない。本実施形態は、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。本実施形態やその変形は、発明の範囲や要旨に含まれると同様に、特許請求の範囲に記載された発明とその均等の範囲に含まれるものである。 Although the present embodiment has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. Various omissions, substitutions, and modifications can be made to this embodiment without departing from the gist of the invention. This embodiment and its modifications are within the scope of the invention and its equivalents set forth in the claims, as well as the scope and gist of the invention.

１００ 電力融通システム
１ 電力融通制御装置
２ 電力系統
３ 無線電力移送装置
４ 電気機器
１０ 制御部
１１ 電気機器位置情報取得部
１２ 無線電力移送装置特定部
１３ 電力融通指示部
１４ 電気機器充電残量取得部
１５ 電力移送効率取得部
１６ 無線電力移送装置切替部
１７ 無線電力移送装置電力量計特定部
１８ ユーザー電力量計特定部
１９ 電力量計調整部
３０ 保存部
４０ 通信部 REFERENCE SIGNS LIST 100 Power interchange system 1 Power interchange control device 2 Power system 3 Wireless power transfer device 4 Electrical device 10 Control unit 11 Electrical device position information acquisition unit 12 Wireless power transfer device identification unit 13 Power interchange instruction unit 14 Electrical device remaining charge acquisition unit 15 Power transfer efficiency acquisition unit 16 Wireless power transfer device switching unit 17 Wireless power transfer device watt-hour meter identification unit 18 User watt-hour meter identification unit 19 Watt-hour meter adjustment unit 30 Storage unit 40 Communication unit

Claims (4)

蓄電池を有する電気機器と電力系統との間で電力融通を行う電力融通システムであって、
前記電力融通システムは、電力融通制御装置と、無線電力移送装置とを有し、
前記電力融通制御装置は、
前記電気機器の位置情報を取得する電気機器位置情報取得部と、
前記電気機器の蓄電池と無線電力移送を行う前記電力系統に接続された複数の無線電力移送装置の位置情報を保存した保存部と、
前記電気機器位置情報取得部から取得された前記電気機器の位置及び前記保存部に保存された無線電力移送装置の位置から、前記複数の無線電力移送装置のうち、無線電力移送可能な無線電力移送装置を特定する無線電力移送装置特定部と、
前記電気機器の蓄電池と、特定された無線電力移送装置との間の電力融通の指示を行う電力融通指示部と、
を備え、
前記無線電力移送装置は、
電波受信による方法で電力融通を行う装置であり、
前記電気機器の移動に合わせて電波の送信方向を変更する機能を備える、電力融通システム。 A power interchange system that interchanges power between an electrical device having a storage battery and a power grid,
The power interchange system includes a power interchange control device and a wireless power transfer device,
The power interchange control device includes:
an electrical device position information acquisition unit that acquires position information of the electrical device;
a storage unit configured to store location information of a plurality of wireless power transfer devices connected to the power grid that perform wireless power transfer with the storage battery of the electrical device;
a wireless power transfer device identification unit that identifies a wireless power transfer device capable of wireless power transfer among the plurality of wireless power transfer devices based on the position of the electrical device acquired from the electrical device position information acquisition unit and the positions of the wireless power transfer devices stored in the storage unit;
a power interchange instruction unit that instructs an interchange of power between the storage battery of the electrical device and the identified wireless power transmission device;
Equipped with
The wireless power transfer device includes:
This is a device that exchanges power by receiving radio waves.
A power interchange system having a function of changing the direction of radio wave transmission in accordance with the movement of the electrical equipment. 前記電力融通制御装置が、
前記電気機器の蓄電池の充電残量を取得する電気機器充電残量取得部と、
前記電気機器の蓄電池の充電残量に基づき、前記電気機器の蓄電池と前記特定された無線電力移送装置に送電又は受電を行う指示をする前記電力融通指示部と、
前記電気機器の蓄電池と前記特定された無線電力移送装置との間の電力移送効率を取得する電力移送効率取得部と、
前記電力移送効率取得部によって取得された電力移送効率に基づき、前記電気機器の蓄電池と無線電力移送を行う前記特定された無線電力移送装置を、前記複数の無線電力移送装置のうち前記特定された無線電力移送装置とは異なる無線電力移送装置に切替える無線電力移送装置切替部と、
を備える請求項１に記載の電力融通システム。 The power interchange control device,
an electrical device remaining charge acquisition unit that acquires a remaining charge of a storage battery of the electrical device;
the power interchange instruction unit instructing the storage battery of the electrical device and the specified wireless power transfer device to transmit or receive power based on a remaining charge of the storage battery of the electrical device;
a power transfer efficiency acquisition unit that acquires a power transfer efficiency between a storage battery of the electrical device and the specified wireless power transfer device;
a wireless power transfer device switching unit that switches the identified wireless power transfer device that performs wireless power transfer between the storage battery of the electrical device and the identified wireless power transfer device to a wireless power transfer device other than the identified wireless power transfer device among the plurality of wireless power transfer devices based on the power transfer efficiency acquired by the power transfer efficiency acquisition unit;
The power interchange system according to claim 1 . 前記電力融通制御装置が、
前記特定された無線電力移送装置の電力量計を特定する無線電力移送装置電力量計特定部と、
前記電気機器のユーザーの電力契約情報を保存する前記保存部と、
前記電力契約情報に基づき、前記ユーザーの電力契約で利用されている電力量計を特定するユーザー電力量計特定部と、
前記特定された無線電力移送装置の電力量計が示す無線電力移送量に基づき、前記特定された無線電力移送装置の電力量計の測定値と前記ユーザーの電力契約で利用されている電力量計の測定値とを調整する電力量計調整部と、
を備える、請求項１又は２に記載の電力融通システム。 The power interchange control device,
a wireless power transmission device watt-hour meter identification unit that identifies a watt-hour meter of the identified wireless power transmission device;
The storage unit stores power contract information of the user of the electrical device;
a user watt-hour meter identification unit that identifies a watt-hour meter used under the user's power contract based on the power contract information;
a watt-hour meter adjustment unit that adjusts a measurement value of the watt-hour meter of the specified wireless power transmission device and a measurement value of a watt-hour meter used in a power contract of the user based on a wireless power transmission amount indicated by the watt-hour meter of the specified wireless power transmission device;
The power interchange system according to claim 1 or 2, comprising: 請求項３に記載の電力融通システムを利用した電力融通方法。 A power interchange method using the power interchange system described in claim 3.
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