JP7063984B2 - 蓄電池システム - Google Patents
蓄電池システム Download PDFInfo
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- JP7063984B2 JP7063984B2 JP2020517659A JP2020517659A JP7063984B2 JP 7063984 B2 JP7063984 B2 JP 7063984B2 JP 2020517659 A JP2020517659 A JP 2020517659A JP 2020517659 A JP2020517659 A JP 2020517659A JP 7063984 B2 JP7063984 B2 JP 7063984B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/448—End of discharge regulating measures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
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- 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
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- 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
- H02J3/322—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means the battery being on-board an electric or hybrid vehicle, e.g. vehicle to grid arrangements [V2G], power aggregation, use of the battery for network load balancing, coordinated or cooperative battery charging
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- 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
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/007188—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
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- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- 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
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Description
(1)本実施形態の蓄電池システム1は、電力系統2の需給状態に応じて複数のIPU(蓄電器)50ごとに充放電を制御可能なPLC(充放電制御装置)20と、IPU50ごとの充放電量を異ならせることによってIPU50ごとに劣化の進行を調整し、劣化の進行の度合いが低いIPU50と劣化の進行の度合いが高いIPU50を区別して管理するシステム制御装置(管理装置)30と、を備える。これにより、電力系統2に周波数調整力等のアンシラリーサービスを提供しつつIPU50の劣化状態を制御して劣化の進行の度合いが異なるIPU50を管理することができる。
2 電力系統
20 PLC(充放電制御装置)
30 システム制御装置(管理装置)
50 IPU(蓄電器)
Claims (8)
- 電力系統に接続され、複数の蓄電器の充放電によって前記電力系統の需給状態を調整する蓄電池システムであって、
前記電力系統の需給状態に応じて複数の前記蓄電器又は蓄電器群ごとに充放電を制御可能な充放電制御装置と、
複数の前記蓄電器又は蓄電器群ごとの充放電量を異ならせることによって前記蓄電器又は蓄電器群ごとに劣化の進行を調整し、劣化の進行の度合いが低い前記蓄電器又は蓄電器群と劣化の進行の度合いが高い前記蓄電器又は蓄電器群を区別して管理する管理装置と、
外部から劣化の程度を決定する指定情報を受信すると、複数の前記蓄電器の中から前記指定情報に応じた劣化程度の前記蓄電器を選択し、前記充放電制御装置の制御対象から切り離して販売対象に設定する販売支援装置と、
を備え、
前記複数の蓄電器は、電動車両の車載用として生産された蓄電器を含む、蓄電池システム。 - 前記管理装置は、劣化の進行の度合いが低い程、高いグレードを前記蓄電器ごとに設定し、
前記蓄電器又は蓄電器群の充放電制御で要求される充放電レベルが低い場合は、グレードの低い前記蓄電器を優先的に使用し、
前記蓄電器又は蓄電器群の充放電制御で要求される充放電レベルが高い場合は、グレードの低い前記蓄電器とともにグレードの高い前記蓄電器を使用する請求項1に記載の蓄電池システム。 - 複数の前記蓄電器のうち、少なくとも一部は、電動車両の車載用として生産されたものが未使用状態で組み込まれる請求項1又は2に記載の蓄電池システム。
- 電動車両に搭載され、使用された状態の前記蓄電器を前記充放電制御装置の制御対象として新たに組み込み可能な請求項1から3の何れかに記載の蓄電池システム。
- 複数の前記蓄電器又は蓄電器群ごとに配置され、前記蓄電器又は蓄電器群ごとに接続される複数のAC/DCコンバータと、
複数の前記AC/DCコンバータが接続される単独の昇降圧トランスと、
を更に備える請求項1から4の何れかに記載の蓄電池システム。 - 複数の前記蓄電器又は蓄電器群ごとに配置され、前記蓄電器又は蓄電器群ごとに接続される複数のAC/DCコンバータと、
複数の前記AC/DCコンバータごとに配置され、前記AC/DCコンバータごとに接続される複数の昇降圧トランスと、を更に備える請求項1から4の何れかに記載の蓄電池システム。 - 前記販売支援装置は、
前記指定情報で劣化の程度が低い状態の前記蓄電器が指定された場合は相対的に高い価格を設定し、
前記指定情報で相対的に劣化が進行している状態の前記蓄電器が指定された場合は相対的に低い価格を設定する請求項1から請求項6の何れかに記載の蓄電池システム。 - 前記蓄電器は、所定の電動車両の専用品であり、
前記販売支援装置は、前記電動車両の生産終了情報を受信した後に前記蓄電器を販売対象に設定する請求項1から請求項7の何れかに記載の蓄電池システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2018/017786 WO2019215817A1 (ja) | 2018-05-08 | 2018-05-08 | 蓄電池システム |
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JPWO2019215817A1 JPWO2019215817A1 (ja) | 2021-04-22 |
JP7063984B2 true JP7063984B2 (ja) | 2022-05-09 |
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JP2020517659A Active JP7063984B2 (ja) | 2018-05-08 | 2018-05-08 | 蓄電池システム |
Country Status (6)
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US (1) | US11349332B2 (ja) |
JP (1) | JP7063984B2 (ja) |
CN (1) | CN112088477A (ja) |
DE (1) | DE112018007581T5 (ja) |
GB (1) | GB2587270B (ja) |
WO (1) | WO2019215817A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6909842B2 (ja) * | 2019-11-07 | 2021-07-28 | 本田技研工業株式会社 | 二次電池の保管方法、二次電池の保管システムおよびプログラム |
WO2022254580A1 (ja) * | 2021-06-01 | 2022-12-08 | 三菱電機株式会社 | 電力系統安定化システム |
JP7320025B2 (ja) * | 2021-07-14 | 2023-08-02 | プライムプラネットエナジー&ソリューションズ株式会社 | 電力需給管理装置および電力需給調整方法 |
JP7450590B2 (ja) | 2021-10-29 | 2024-03-15 | プライムプラネットエナジー&ソリューションズ株式会社 | 電力調整装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005043059A (ja) | 2003-07-22 | 2005-02-17 | Makita Corp | 電池の診断装置と診断方法 |
JP2008058278A (ja) | 2006-09-04 | 2008-03-13 | Toyota Motor Corp | 二次電池の内部状態推定装置、二次電池の内部状態推定方法、プログラム、および記録媒体 |
JP2015047026A (ja) | 2013-08-29 | 2015-03-12 | メトラス株式会社 | 蓄電装置 |
JP2016077139A (ja) | 2014-10-08 | 2016-05-12 | パナソニックIpマネジメント株式会社 | 蓄電システムの制御方法及び蓄電システム制御装置 |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2726942B2 (ja) * | 1989-07-10 | 1998-03-11 | 日本電信電話株式会社 | 2次電池の自動販売機とその管理方法 |
JP3405526B2 (ja) | 1999-04-02 | 2003-05-12 | エヌイーシートーキン栃木株式会社 | 複数電池パック電源装置 |
EP2280260B1 (en) | 2003-06-06 | 2017-03-08 | The General Hospital Corporation | Process and apparatus for a wavelength tuned light source |
JP5002780B2 (ja) | 2008-01-31 | 2012-08-15 | 株式会社エコトリビュート | 車載蓄電池を利用した電力供給システム |
CN102959418B (zh) * | 2010-06-24 | 2016-04-27 | 松下知识产权经营株式会社 | 获取电池的劣化度的方法和系统 |
EP3175529B1 (en) * | 2014-07-31 | 2019-01-09 | ABB Schweiz AG | System for charging battery of electric vehicle |
US11239785B2 (en) * | 2017-11-02 | 2022-02-01 | Ford Global Technologies, Llc | Electric motor with integrated charger |
-
2018
- 2018-05-08 US US17/051,173 patent/US11349332B2/en active Active
- 2018-05-08 DE DE112018007581.8T patent/DE112018007581T5/de active Pending
- 2018-05-08 WO PCT/JP2018/017786 patent/WO2019215817A1/ja active Application Filing
- 2018-05-08 CN CN201880093102.9A patent/CN112088477A/zh active Pending
- 2018-05-08 JP JP2020517659A patent/JP7063984B2/ja active Active
- 2018-05-08 GB GB2016665.8A patent/GB2587270B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005043059A (ja) | 2003-07-22 | 2005-02-17 | Makita Corp | 電池の診断装置と診断方法 |
JP2008058278A (ja) | 2006-09-04 | 2008-03-13 | Toyota Motor Corp | 二次電池の内部状態推定装置、二次電池の内部状態推定方法、プログラム、および記録媒体 |
JP2015047026A (ja) | 2013-08-29 | 2015-03-12 | メトラス株式会社 | 蓄電装置 |
JP2016077139A (ja) | 2014-10-08 | 2016-05-12 | パナソニックIpマネジメント株式会社 | 蓄電システムの制御方法及び蓄電システム制御装置 |
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Publication number | Publication date |
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US20210135484A1 (en) | 2021-05-06 |
JPWO2019215817A1 (ja) | 2021-04-22 |
GB2587270B (en) | 2022-05-11 |
GB202016665D0 (en) | 2020-12-02 |
GB2587270A (en) | 2021-03-24 |
WO2019215817A1 (ja) | 2019-11-14 |
CN112088477A (zh) | 2020-12-15 |
DE112018007581T5 (de) | 2021-04-08 |
US11349332B2 (en) | 2022-05-31 |
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