JP2012050232A - Regional photovoltaic power generation/power transmission system - Google Patents
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本発明は、地域太陽光発電・送電システムに関し、特に、個人、地方自治体、学校、企業などの地域会員が太陽光発電装置を設置して発電した電力を有効に利用するシステムに関する。 The present invention relates to a regional solar power generation / transmission system, and more particularly to a system that effectively uses electric power generated by a local member such as an individual, a local government, a school, or a company by installing a solar power generation device.
従来、個人、地方自治体、学校、企業などに太陽光パネルが設置されているが、これらは連携がなく、電力の利用はほとんど自己消費であり、余剰電力の電力会社への売電はほとんど利用されていなかった。また、太陽光パネルの設置にあたっては、ローンがあまり利用されず、初期準備金額が高額であった。 Conventionally, solar panels have been installed in individuals, local governments, schools, companies, etc., but these are not linked, the use of electricity is almost self-consumption, and the sale of surplus electricity to power companies is mostly used. Was not. Also, when installing solar panels, loans were not used much and the initial preparation amount was high.
そのため、我国においては、太陽光パネルや太陽光発電装置の普及率がドイツ国等に比べて低かった。 Therefore, in Japan, the penetration rate of solar panels and photovoltaic power generation devices was lower than in Germany.
その原因の１つとして、地域電力会社に家庭・一般企業などが発電した再生可能エネルギーを強制的に買い取る義務を課す制度である「フィードインタリフ制度」が我国では導入されていないことが挙げられる。 One of the reasons for this is that the “feed-in tariff system”, which is a system that requires local power companies to forcibly purchase renewable energy generated by households and general companies, has not been introduced in Japan. .
また、他の原因として、太陽光パネルを設置している家庭や一般企業における発電量や蓄電量のデータは、個々に有しているだけであり、記録として残していないこともあり、周辺エリア全体において、各家庭等のデータを共有し、これらのデータを有機的に組み合わされていないことが挙げられる。 In addition, as another cause, data on the amount of power generated and stored in households and general companies where solar panels are installed are only individually stored, and may not be recorded as records. As a whole, it is mentioned that data of each household is shared and these data are not organically combined.
さらに他の理由として、従来の太陽光パネルで発電した電力を地域電力会社に売電する際に、広域送配電網の周波数変動安定性や電圧変動安定性について考慮されていないばかりでなく、家庭等における構内送配電網の周波数変動安定性についてまったく考慮されていないことが挙げられる。 As another reason, when selling the electric power generated by the conventional solar panel to the local power company, not only the frequency fluctuation stability and voltage fluctuation stability of the wide-area transmission and distribution network are not considered, but also the home The frequency fluctuation stability of the on-site power transmission / distribution network is not considered at all.
上記課題は、請求項１に記載の本発明に係る地域太陽光発電・送電システム、すなわち、個人、地方自治体、学校、企業などの地域会員が、それぞれ、通信制御部と、処理部と、構内送配電網状態監視部と、送電／蓄電切替部と、太陽光発電部と、蓄電部と、接断部と、構内／広域グリッド切替部と、構内送配電網と、送電インターフェース部と、を備えた太陽光発電装置を有しており、
構内送配電網状態監視部は周波数、電圧など構内送配電網の状態を監視し、構内送配電網情報を処理部へ送るように処理部と接続され、
太陽光発電部は送電／蓄電切替部に接続され、太陽光発電部で発電された電力は送電／蓄電切替部へ送電され、
送電／蓄電切替部は蓄電部及び構内／広域グリッド切替部に接続され、処理部からの送電／蓄電切替信号に応じて、蓄電部または構内／広域グリッド切替部へ電力が送電され、
蓄電部は接断部を介して構内／広域グリッド切替部に接続され、処理部からの蓄電電力送電／遮断信号を受信した時に接断部が接続となり蓄電部に蓄えられた電力は構内／広域グリッド切替部へ送電され、一方、その他の時に接断部は遮断され、
構内／広域グリッド切替部は構内送配電網及び送電インターフェース部に接続され、処理部からの構内／広域グリッド切替信号に応じて構内送配電網または送電インターフェース部へ電力が送電され、
送電インターフェース部は広域送配電網に接続され送電し、
通信制御部は、会員管理用コンピュータ及び送配電網管理用コンピュータとともに、インターネットに接続され、情報の送受信ができ、
地域会員の太陽光発電装置の処理部は、一定周期に、または会員管理用コンピュータからの要求時に、地域会員の太陽光発電装置の発電量／蓄電量／エリア情報を送信し、インターネットを介して会員管理用コンピュータは受信し、
会員管理用コンピュータは、複数の地域会員の太陽光発電装置から送られてくる発電量／蓄電量／エリア情報と、送配電網管理用コンピュータから送られてくる広域送配電網状態情報と、複数の地域会員の太陽光発電装置の構内送配電網状態監視部から送られてくる構内送配電網状態情報と、に基づいて、各地域会員の太陽光発電装置の処理部に対して、それぞれ、（１）蓄電指令、（２）広域送配電網への送電指令、（３）構内送配電網への送電指令、（４）蓄電された電力の広域送配電網への送電指令、（５）蓄電された電力の構内送配電網への送電指令のうちいずれか１つを送り、
会員管理用コンピュータは、各地域会員の太陽光発電装置について、広域送配電網へ送電した総電力量を管理する、地域太陽光発電・送電システム
によって、解決される。
The above-mentioned problem is that the regional solar power generation / transmission system according to the present invention described in claim 1, that is, local members such as individuals, local governments, schools, companies, etc., respectively, a communication control unit, a processing unit, A transmission / distribution network state monitoring unit, a power transmission / storage switching unit, a photovoltaic power generation unit, a storage unit, a connection / disconnection unit, a local / wide area grid switching unit, a local transmission / distribution network, and a power transmission interface unit; Have a solar power generator with
The on-site transmission / distribution network status monitoring unit monitors the on-site transmission / distribution network status such as frequency and voltage, and is connected to the processing unit to send the on-site transmission / distribution network information to the processing unit.
The solar power generation unit is connected to the power transmission / storage switching unit, and the power generated by the solar power generation unit is transmitted to the power transmission / storage switching unit,
The power transmission / power storage switching unit is connected to the power storage unit and the premises / wide area grid switching unit, and in accordance with the power transmission / power storage switching signal from the processing unit, power is transmitted to the power storage unit or the premises / wide area grid switching unit,
The power storage unit is connected to the premises / wide area grid switching unit via the connection / disconnection unit, and when the stored power transmission / cut-off signal is received from the processing unit, the connection unit is connected and the electric power stored in the power storage unit is premises / wide area Power is transmitted to the grid switching unit, while the connection part is cut off at other times,
The premises / wide area grid switching unit is connected to the premises transmission / distribution network and the power transmission interface unit, and power is transmitted to the premises transmission / distribution network or the power transmission interface unit according to the premises / wide area grid switching signal from the processing unit.
The power transmission interface unit is connected to a wide-area transmission and distribution network to transmit power,
The communication control unit, together with the member management computer and the transmission and distribution network management computer, is connected to the Internet and can send and receive information.
The processing unit of the local member's solar power generation device transmits the power generation amount / storage amount / area information of the local member's solar power generation device at regular intervals or upon request from the member management computer, via the Internet. The member management computer receives and
The member management computer includes a plurality of regional members' power generation amount / power storage amount / area information transmitted from the solar power generation devices, wide area transmission / distribution network state information transmitted from the transmission / distribution network management computer, On the basis of the on-site transmission / distribution network status information sent from the local power transmission / distribution network status monitoring unit of the local power generation device of each local member, respectively, (1) Power storage command, (2) Power transmission command to wide area transmission / distribution network, (3) Power transmission command to local transmission / distribution network, (4) Power transmission command to wide area power transmission / distribution network, (5) Send one of the power transmission commands to the on-site transmission / distribution network of the stored power,
The member management computer is solved by a regional solar power generation / transmission system that manages the total amount of power transmitted to the wide area transmission / distribution network for the solar power generation apparatus of each regional member.
さらに、請求項２に記載の本発明に係る地域太陽光発電・送電システム、すなわち、地域会員が太陽光発電装置を購入する際に、購入費用を地域銀行が会員に融資し、
各地域会員が太陽光発電した電力を地域電力会社へ売電し、返済期間中はその売電収入を各地域会員を介して地域銀行へ返済し、完済後は各地域会員が収入として受け取る、
ことを特徴とする請求項１に記載の地域太陽光発電・送電システム
によって、太陽光パネルの設置普及率が大幅に向上すると考えられる。
Furthermore, when the regional member purchases the photovoltaic power generation apparatus according to the present invention as set forth in claim 2, the regional bank finances the purchase cost to the member,
Electricity generated by each regional member is sold to the local electric power company, and during the repayment period, the electricity sales revenue is repaid to the regional bank through each regional member, and each regional member receives as income after payment is completed.
It is thought that the installation penetration rate of the solar panel is greatly improved by the regional solar power generation / transmission system according to claim 1.
さらに、多数の地域会員によって支えられているスポーツ・クラブが太陽光発電装置を製造している会社と有機的に組んで、地域会員の家庭などに、その会社製の太陽光発電装置を設置するように呼びかけるのが望ましい。 In addition, a sports club supported by a large number of local members organically forms a company that produces solar power generation equipment, and installs the solar power generation equipment manufactured by the company in the home of the local membership. It is desirable to call on
以下、添付図面を参照しながら、本発明の実施形態について説明する。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
図１は、本発明の地域太陽光発電・送電システムの第１の実施形態の概略図である。 FIG. 1 is a schematic diagram of a first embodiment of a regional solar power generation / transmission system according to the present invention.
地域において、多数の地域会員によって支えられている組織、例えば、サッカーチーム、が地域電力会社と、多数の地域会員、例えば、個人、地方自治体、学校、企業など、と協力して第１の実施形態の地域太陽光発電・送電システムが構成される。図１においては、地域会員は１つのみを示しているが、実際には、同一のエリアには複数の地域会員が存在し、エリアも複数存在している。 In the region, an organization supported by a large number of regional members, such as a soccer team, cooperates with a local power company and a large number of regional members, such as individuals, local governments, schools, companies, etc. Form local solar power generation and transmission system. In FIG. 1, only one regional member is shown, but actually, there are a plurality of regional members in the same area and a plurality of areas.
サッカーチームはそれを支えている地域会員のデータを管理するために会員管理用コンピュータを運営している。 The soccer team operates a member management computer to manage the data of the regional members that support it.
地域電力会社は、その管轄下の広域送配電網状態を監視し、その情報を発信する送配電網管理用コンピュータを管理している。 The local power company monitors the state of the wide area power transmission / distribution network under its jurisdiction, and manages a power transmission / distribution network management computer that transmits the information.
そして、各地域会員の太陽光発電装置には処理部と情報送受信可能に接続された通信制御部が備えられている。また、この処理部へ構内送配電網状態監視部から構内送配電網状態情報へ送信可能に接続されている。 And each area member's solar power generation device is provided with the communication control part connected so that information transmission and reception was possible. Further, this processing unit is connected to the local transmission / distribution network state information from the local transmission / distribution network state monitoring unit so as to be able to transmit.
前記の会員管理用コンピュータと、送配電網管理用コンピュータと、会員の太陽光発電装置における通信制御部と、はインターネットに接続され、相互に情報の送受信を行うことができる。 The member management computer, the transmission / distribution network management computer, and the communication control unit of the member's solar power generation device are connected to the Internet and can transmit and receive information to and from each other.
地域会員の太陽光発電装置には、太陽光パネルなどの太陽光発電部と、太陽光発電部で発電された電力を受け入れて、処理部からの送電／蓄電切替信号に応じて、蓄電部または構内／広域グリッド切替部へ切替えて送電する送電／蓄電切替部と、蓄電部と、蓄電部と構内／広域グリッド切替部との間に配置され、処理部からの蓄電電力送電／遮断信号に応じて、通電または遮断に切替える接断部と、送電／蓄電切替部及び接断部から電力を受け入れ、処理部からの構内／広域グリッド切替信号に応じて、送電インターフェース部を介して広域送配網へ送電し、あるいは、構内送配電網へ送電する構内／広域送配電網切替部と、送電インターフェース部と、が含まれている。 The solar power generation device of the local member accepts a solar power generation unit such as a solar panel and the power generated by the solar power generation unit, and in accordance with a power transmission / storage switching signal from the processing unit, It is arranged between the power transmission / storage switching section for transmitting power by switching to the premises / wide area grid switching section, the power storage section, and between the power storage section and the premises / wide area grid switching section, and according to the stored power transmission / cutoff signal from the processing section A connection / disconnection unit that switches between energization or disconnection, and a power transmission / storage switching unit and a connection / reception unit that accepts electric power, and a wide area transmission and distribution network via a power transmission interface unit according to a local / wide area grid switching signal from the processing unit A local / wide area transmission / distribution network switching unit for transmitting power to the local area or transmitting power to the local transmission / distribution network, and a power transmission interface unit are included.
会員管理用コンピュータは、複数の地域会員から送られてくる発電量／蓄電量／エリア情報と、複数の地域会員の構内送配電網状態情報と、送配電網管理コンピュータから送られてくる広域送配電網状態情報と、に基づいて、各地域会員の太陽光発電装置の処理部に対して、それぞれ、（１）蓄電指令、（２）広域送配電網への送電（すなわち、売電）指令、（３）構内送配電網への送電（すなわち、自己使用）指令、（４）蓄電された電力の広域送配電網への送電（すなわち、別の売電）指令、（５）蓄電された電力の構内送配電網への送電（すなわち、別の自己使用）指令のうちいずれか１つを送る。 The computer for membership management includes power generation amount / power storage amount / area information sent from a plurality of regional members, on-site transmission / distribution network status information of a plurality of regional members, and wide-area transmission from a transmission / distribution network management computer. Based on the distribution network status information, (1) power storage command and (2) power transmission to the wide area transmission / distribution network (that is, power sale) command to the processing unit of each local member's solar power generation device (3) Power transmission to the on-site power transmission / distribution network (ie, self-use), (4) Power transmission to the wide-area power transmission / distribution network (ie, another power sale), (5) Power storage Send any one of the power transmission (ie, other self-use) commands to the local premises distribution network.
これらの指令に基づいて、処理部は、送電／蓄電切替信号、構内／広域グリッド切替信号、蓄電電力送電／遮断信号を生成し、発信する。 Based on these instructions, the processing unit generates and transmits a power transmission / power storage switching signal, a premises / wide area grid switching signal, and a power storage power transmission / cutoff signal.
また、会員管理用コンピュータは、各地域会員について、広域送配電網へ送電した総電力量を管理し、月ごとの売電収入金額を計算する。 In addition, the member management computer manages the total amount of power transmitted to the wide area transmission / distribution network for each regional member, and calculates the monthly power sales revenue amount.
図２は、本発明の地域太陽光発電・送電システムの第２の実施形態の概略図である。 FIG. 2 is a schematic diagram of a second embodiment of the regional solar power generation / transmission system of the present invention.
多数の地域会員によって支えられている組織、例えばスポーツクラブが、太陽光発電装置製造会社と、多数の地域会員、例えば、個人、地方自治体、学校、企業など、と、地域銀行と、地域電力会社と、協力して第２の実施形態の地域太陽光発電・送電システムが構成される。図２においては、地域会員は１つのみ示しているが、実際には、同一のエリアには複数の地域会員が存在し、エリアも複数存在している。 An organization supported by a large number of regional members, such as a sports club, a solar power generation company, a large number of regional members, such as individuals, local governments, schools, companies, regional banks, and local power companies The regional solar power generation / transmission system of the second embodiment is configured in cooperation. In FIG. 2, only one regional member is shown, but actually there are a plurality of regional members in the same area, and a plurality of areas.
会員制組織あるいは会員制施設は、太陽光発電装置にそのブランドを使用する独占使用権を製造会社に認め、対価として、ブランド使用料をその製造会社はその会員制組織に支払う。太陽光発電装置にそのブランドを使用することによって、その地域会員は、その製造会社が製造した太陽光発電装置を購入し、地域会員の建物に設置することを欲するようになる。 The membership organization or membership facility grants the manufacturing company exclusive use rights to use the brand in the solar power generation device, and the manufacturer pays the brand usage fee to the membership organization as compensation. By using the brand for the solar power generation device, the local member wants to purchase the solar power generation device manufactured by the manufacturing company and install it in the building of the local member.
地域会員はその製造会社から太陽光発電装置を購入し、設置し、その購入対価をその製造会社に支払う。 The local member purchases and installs the solar power generation device from the manufacturing company and pays the purchase price to the manufacturing company.
なお、その製造会社が製造し、ブランドが付された太陽光発電装置を地域会員が購入する際には、地域銀行が購入費用の全額をその地域会員に融資する、例えば、ソーラーローンを設けるのが望ましい。 When a regional member purchases a solar power generation device manufactured and branded by the manufacturing company, the regional bank finances the total purchase cost to the regional member. For example, a solar loan may be provided. desirable.
地域会員は購入した太陽光発電装置を使用して発電し、その一部の電力を自己使用し、残りの電力を地域電力会社に送電し、その対価として売電収入を得る。 The local members generate power using the purchased solar power generation device, use a part of the power themselves, transmit the remaining power to the local power company, and obtain power sales revenue as the price.
各地域会員の売電収入を用いて、優先的にソーラーローンの返済に当てる。そのため、地域銀行は会員に対して、安心してソーラーローンを組むことができるのである。 Priority is given to repayment of solar loans using the power sales revenue of each regional member. As a result, regional banks can build solar loans with peace of mind for their members.
ソーラーローンの返済は平均して１０年で完了する。その後は、各地域会員の売電収入は、各地域会員の収入となる。 Repayment of solar loans is completed on average in 10 years. Thereafter, the power sales revenue of each regional member becomes the revenue of each regional member.
第２の実施形態の地域太陽光発電・送電システムによれば、フィードインタリフ制度とともに、地域会員による太陽光発電装置の購入が容易になり、安定した売電収入を得ることができるようになる。そのため、その地域における太陽光発電装置の普及率は、短期間のうちに、大幅に向上するものと期待される。 According to the regional solar power generation / transmission system of the second embodiment, it becomes easy to purchase a solar power generation device by a local member together with a feed-in tariff system, and it becomes possible to obtain stable power sales revenue. . Therefore, the penetration rate of photovoltaic power generation devices in the area is expected to improve significantly in a short period of time.
Claims (2)
構内送配電網状態監視部は周波数、電圧など構内送配電網の状態を監視し、構内送配電網情報を処理部へ送るように処理部と接続され、
太陽光発電部は送電／蓄電切替部に接続され、太陽光発電部で発電された電力は送電／蓄電切替部へ送電され、
送電／蓄電切替部は蓄電部及び構内／広域グリッド切替部に接続され、処理部からの送電／蓄電切替信号に応じて、蓄電部または構内／広域グリッド切替部へ電力が送電され、
蓄電部は接断部を介して構内／広域グリッド切替部に接続され、処理部からの蓄電電力送電／遮断信号を受信した時に接断部が接続となり蓄電部に蓄えられた電力は構内／広域グリッド切替部へ送電され、一方、その他の時に接断部は遮断され、
構内／広域グリッド切替部は構内送配電網及び送電インターフェース部に接続され、処理部からの構内／広域グリッド切替信号に応じて構内送配電網または送電インターフェース部へ電力が送電され、
送電インターフェース部は広域送配電網に接続され送電し、
通信制御部は、会員管理用コンピュータ及び送配電網管理用コンピュータとともに、インターネットに接続され、情報の送受信ができ、
地域会員の太陽光発電装置の処理部は、一定周期に、または会員管理用コンピュータからの要求時に、地域会員の太陽光発電装置の発電量／蓄電量／エリア情報を送信し、インターネットを介して会員管理用コンピュータは受信し、
会員管理用コンピュータは、複数の地域会員の太陽光発電装置から送られてくる発電量／蓄電量／エリア情報と、送配電網管理用コンピュータから送られてくる広域送配電網状態情報と、複数の地域会員の太陽光発電装置の構内送配電網状態監視部から送られてくる構内送配電網状態情報と、に基づいて、各地域会員の太陽光発電装置の処理部に対して、それぞれ、（１）蓄電指令、（２）広域送配電網への送電指令、（３）構内送配電網への送電指令、（４）蓄電された電力の広域送配電網への送電指令、（５）蓄電された電力の構内送配電網への送電指令のうちいずれか１つを送り、
会員管理用コンピュータは、各地域会員の太陽光発電装置について、広域送配電網へ送電した総電力量を管理する、地域太陽光発電・送電システム。 Local members such as individuals, local governments, schools, and companies have communication control units, processing units, on-site transmission and distribution network state monitoring units, power transmission / storage switching units, solar power generation units, and storage units. A solar power generation device including a disconnection unit, a local / wide area grid switching unit, a local transmission / distribution network, and a power transmission interface unit,
The on-site transmission / distribution network status monitoring unit monitors the on-site transmission / distribution network status such as frequency and voltage, and is connected to the processing unit to send the on-site transmission / distribution network information to the processing unit.
The solar power generation unit is connected to the power transmission / storage switching unit, and the power generated by the solar power generation unit is transmitted to the power transmission / storage switching unit,
The power transmission / power storage switching unit is connected to the power storage unit and the premises / wide area grid switching unit, and in accordance with the power transmission / power storage switching signal from the processing unit, power is transmitted to the power storage unit or the premises / wide area grid switching unit,
The power storage unit is connected to the premises / wide area grid switching unit via the connection / disconnection unit, and when the stored power transmission / cut-off signal is received from the processing unit, the connection unit is connected and the electric power stored in the power storage unit is premises / wide area Power is transmitted to the grid switching unit, while the connection part is cut off at other times,
The premises / wide area grid switching unit is connected to the premises transmission / distribution network and the power transmission interface unit, and power is transmitted to the premises transmission / distribution network or the power transmission interface unit according to the premises / wide area grid switching signal from the processing unit.
The power transmission interface unit is connected to a wide-area transmission and distribution network to transmit power,
The communication control unit, together with the member management computer and the transmission and distribution network management computer, is connected to the Internet and can send and receive information.
The processing unit of the local member's solar power generation device transmits the power generation amount / storage amount / area information of the local member's solar power generation device at regular intervals or upon request from the member management computer, via the Internet. The member management computer receives and
The member management computer includes a plurality of regional members' power generation amount / power storage amount / area information transmitted from the solar power generation devices, wide area transmission / distribution network state information transmitted from the transmission / distribution network management computer, On the basis of the on-site transmission / distribution network status information sent from the local power transmission / distribution network status monitoring unit of the local power generation device of each local member, respectively, (1) Power storage command, (2) Power transmission command to wide area transmission / distribution network, (3) Power transmission command to local transmission / distribution network, (4) Power transmission command to wide area power transmission / distribution network, (5) Send one of the power transmission commands to the on-site transmission / distribution network of the stored power,
The member management computer is a regional solar power generation / transmission system that manages the total amount of power transmitted to the wide-area transmission / distribution network for each local member's solar power generation system.
各地域会員が太陽光発電した電力を地域電力会社へ売電し、返済期間中はその売電収入を各地域会員を介して地域銀行へ返済し、完済後は各地域会員が収入として受け取る、
ことを特徴とする請求項１に記載の地域太陽光発電・送電システム。 When a regional member purchases a solar power generation device, the regional bank finances the purchase cost to the regional member,
Electricity generated by each regional member is sold to the local electric power company, and during the repayment period, the electricity sales revenue is repaid to the regional bank through each regional member, and each regional member receives as income after payment is completed.
The regional solar power generation / transmission system according to claim 1.
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| JP2002101554A (en) * | 2000-09-21 | 2002-04-05 | Sharp Corp | Solar energy generation control system, solar energy generation control server used therein, solar energy generation device, solar energy generation control method and machine readable record medium recorded with program to achieve the same method |
| JP2006121846A (en) * | 2004-10-22 | 2006-05-11 | Toshiba Corp | System combining system |
| JP2009195105A (en) * | 2004-04-28 | 2009-08-27 | Sharp Corp | Power generating equipment managing system |
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| JP2002101554A (en) * | 2000-09-21 | 2002-04-05 | Sharp Corp | Solar energy generation control system, solar energy generation control server used therein, solar energy generation device, solar energy generation control method and machine readable record medium recorded with program to achieve the same method |
| JP2009195105A (en) * | 2004-04-28 | 2009-08-27 | Sharp Corp | Power generating equipment managing system |
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