JP7384281B2 - 水電解システム及び電流制御装置 - Google Patents
水電解システム及び電流制御装置 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
- C25B9/65—Means for supplying current; Electrode connections; Electric inter-cell connections
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B15/00—Operating or servicing cells
- C25B15/02—Process control or regulation
- C25B15/023—Measuring, analysing or testing during electrolytic production
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
-
- 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
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
-
- 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
- H02J15/00—Systems for storing electric energy
- H02J15/008—Systems for storing electric energy using hydrogen as energy vector
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- 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
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/58—The condition being electrical
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/008—Plural converter units for generating at two or more independent and non-parallel outputs, e.g. systems with plural point of load switching regulators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Automation & Control Theory (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Control Of Electrical Variables (AREA)
Description
N>ISC/(Imax・D)
にて規定される条件を満たすことが好ましいことになる。
2 カソード電極
3 隔膜
10 制御回路
11 太陽光パネル
12-1~12-4 DC/DCコンバータ
13-1~13-4 水電解セル
14 水素格納装置
20 MPPT制御器
21 セル選択器
22 SW制御部
23 検出器
24 ゲイン調整器
25-1~25-4 加算器
SW1~SW4 スイッチ回路
Claims (7)
- 太陽光発電装置が生成する第1の電力を複数の第2の電力にそれぞれ変換する複数の変換回路と、
前記複数の変換回路のうちの駆動する変換回路の数を少なくとも制御する制御回路と、
前記複数の変換回路から前記複数の第2の電力をそれぞれ受け取る複数の水電解セルと、
を含み、前記制御回路は前記第1の電力における所定時間あたり所定量を超える増加または減少の発生を検出する検出器を含み、前記検出器が前記増加または減少の発生を検出すると、前記制御回路は前記駆動する変換回路の数を増加させる、水電解システム。 - 前記制御回路は、前記太陽光発電装置が生成する前記第1の電力を最大化するよう前記複数の変換回路の動作を制御するために用いられる制御信号を生成する最大電力点追従制御回路を含み、前記検出器は前記制御信号を入力とするハイパスフィルタである、請求項1記載の水電解システム。
- 前記変換回路は、供給されるデューティー比に応じたPWM動作により出力電圧及び出力電流を制御するDC/DCコンバータであり、
前記制御回路は、
前記制御信号に基づいて前記複数の変換回路にそれぞれ供給する複数のデューティー比を生成するセル選択器と、
前記複数の変換回路のうちで前記セル選択器が駆動していない変換回路に対して、前記ハイパスフィルタの出力に応じた信号が示すデューティー比を供給する信号供給回路と
を含む、請求項2記載の水電解システム。 - 前記信号供給回路は、
前記複数の変換回路に一対一に対応して設けられ、導通状態又は非導通状態のいずれかに設定可能な複数のスイッチ回路と、
前記ハイパスフィルタの出力に応じた信号を前記複数のスイッチ回路を介してそれぞれ受け取り、前記セル選択器から受け取る前記複数のデューティー比のそれぞれに加算する複数の加算器と、
を含み、前記複数のスイッチ回路のうち、前記セル選択器が駆動していない変換回路に対応するスイッチ回路のみが導通状態とされる、請求項3記載の水電解システム。 - 前記信号供給回路は、前記複数の変換回路のうちで前記セル選択器が駆動していない変換回路のうちの一部の変換回路に対してのみ、前記ハイパスフィルタの出力に応じた信号が示すデューティー比を供給する、請求項3又は4記載の水電解システム。
- 前記ハイパスフィルタのカットオフ周波数は最大電力点追従制御による変動の周波数よりも高い、請求項2乃至5いずれか一項記載の水電解システム。
- 発電装置が生成する第1の電力を複数の第2の電力にそれぞれ変換し、前記複数の第2の電力を複数の電解セルにそれぞれ供給する複数の変換回路と、
前記複数の変換回路のうちの駆動する変換回路の数を少なくとも制御する制御回路と、
を含み、前記制御回路は前記第1の電力における所定時間あたり所定量を超える増加または減少の発生を検出する検出器を含み、前記検出器が前記増加または減少の発生を検出すると、前記制御回路は前記駆動する変換回路の数を増加させることにより前記複数の電解セルの各々に供給する電流量を制御する、電流制御装置。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004244653A (ja) | 2003-02-12 | 2004-09-02 | Toyota Central Res & Dev Lab Inc | 水電解システム |
JP2018178175A (ja) | 2017-04-07 | 2018-11-15 | 富士通株式会社 | 電解システム、電解制御装置及び電解システムの制御方法 |
KR101926010B1 (ko) | 2018-02-28 | 2018-12-06 | 이화전기공업 주식회사 | 신재생에너지를 이용한 전력변환 시스템 |
JP2019085602A (ja) | 2017-11-02 | 2019-06-06 | 富士通株式会社 | 電解システム、電解制御装置及び電解システムの制御方法 |
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JPH07233493A (ja) * | 1994-02-22 | 1995-09-05 | Mitsubishi Heavy Ind Ltd | 水電解システム用電力変換装置 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004244653A (ja) | 2003-02-12 | 2004-09-02 | Toyota Central Res & Dev Lab Inc | 水電解システム |
JP2018178175A (ja) | 2017-04-07 | 2018-11-15 | 富士通株式会社 | 電解システム、電解制御装置及び電解システムの制御方法 |
JP2019085602A (ja) | 2017-11-02 | 2019-06-06 | 富士通株式会社 | 電解システム、電解制御装置及び電解システムの制御方法 |
KR101926010B1 (ko) | 2018-02-28 | 2018-12-06 | 이화전기공업 주식회사 | 신재생에너지를 이용한 전력변환 시스템 |
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WO2021229652A1 (ja) | 2021-11-18 |
US20230034570A1 (en) | 2023-02-02 |
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