JP7167825B2 - 燃料電池システム - Google Patents
燃料電池システム Download PDFInfo
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- JP7167825B2 JP7167825B2 JP2019075565A JP2019075565A JP7167825B2 JP 7167825 B2 JP7167825 B2 JP 7167825B2 JP 2019075565 A JP2019075565 A JP 2019075565A JP 2019075565 A JP2019075565 A JP 2019075565A JP 7167825 B2 JP7167825 B2 JP 7167825B2
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04992—Processes for controlling fuel cells or fuel cell systems characterised by the implementation of mathematical or computational algorithms, e.g. feedback control loops, fuzzy logic, neural networks or artificial intelligence
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04544—Voltage
- H01M8/04552—Voltage of the individual fuel cell
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04634—Other electric variables, e.g. resistance or impedance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04634—Other electric variables, e.g. resistance or impedance
- H01M8/04641—Other electric variables, e.g. resistance or impedance of the individual fuel cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04865—Voltage
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04865—Voltage
- H01M8/04873—Voltage of the individual fuel cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04925—Power, energy, capacity or load
- H01M8/04932—Power, energy, capacity or load of the individual fuel cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Intelligence (AREA)
- Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Computing Systems (AREA)
- Evolutionary Computation (AREA)
- Fuzzy Systems (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
しかしながら、特許文献1に記載の燃料電池システムのように、電圧維持制御を行うと、電圧維持制御に伴う燃料電池電圧の変動がノイズとなり絶縁抵抗の測定精度を悪化させてしまう問題がある。
まず、図1に実施の形態1にかかる燃料電池システム1のブロック図を示す。図1に示すように、実施の形態1にかかる燃料電池システム1は、燃料電池21が発電する電力と二次電池30が出力する電力とによりモータMG及びエアコンプレッサACPを駆動するシステムである。また、実施の形態1にかかる燃料電池システム1は、燃料電池21が発電した電力のうち余剰となった電力及びモータMGの回生動作により生じた電力を二次電池30に充電する。また、燃料電池システム1では、インバータ回路10が燃料電池21と二次電池30の少なくとも一方から供給される電力に基づきエアコンプレッサACP及びモータMGを駆動する。
実施の形態2では、図3で示した絶縁抵抗値の測定処理の別の例について説明する。なお、実施の形態1において説明した事項については、実施の形態1と同じ符号を付して説明を省略する。図4に実施の形態2にかかる燃料電池システムにおける絶縁抵抗値の測定処理を説明するフローチャートを示す。
10 インバータ回路
20 FC発電制御部
21 燃料電池
22 昇圧コンバータ
23 昇圧コンバータ制御部
25 電圧計
26 電流計
30 二次電池
32 双方向コンバータ
33 双方向コンバータ制御部
34 電圧計
35 電流計
36 放電機構
40 絶縁抵抗測定信号生成部
41 絶縁抵抗測定部
42 交流信号生成部
43 波高値測定部
Ri 絶縁抵抗
NER ノイズ抑制指示信号
ACP エアコンプレッサ
MG モータ
VFC 燃料電池電圧
VH 高電圧
VB バッテリ電圧
Claims (4)
- 燃料電池と、
前記燃料電池への酸化剤ガスと燃料ガスの供給量を制御して前記燃料電池の発電電力量を制御する発電制御部と、
前記燃料電池を含む高電圧回路の周囲に配置される外部導体と高電圧回路との間の絶縁抵抗と、既知の抵抗値を有する基準抵抗と、の抵抗分圧により測定用交流信号の電圧を分圧した分圧交流信号を生成する絶縁抵抗測定信号生成部と、
前記分圧交流信号の波高値に基づき前記絶縁抵抗の抵抗値を測定する絶縁抵抗測定部と、を有し、
前記絶縁抵抗測定部は、前記発電制御部が間欠運転中の電圧維持状態において、前記分圧交流信号の波高値の変動幅が予め設定した変動許容幅を超える変化を示すノイズ過多状態を検出した場合には、前記発電制御部に前記燃料電池の出力電圧の変動周波数を現在周波数から変化せることを指示した後に、前記絶縁抵抗の抵抗値を測定する燃料電池システム。 - 前記発電制御部は、前記発電制御部が間欠運転中の電圧維持状態において前記絶縁抵抗測定部により前記ノイズ過多状態を検出した場合には、前記燃料電池の発電量を現在よりも増減させることで、前記燃料電池の出力電圧の変動周波数を増減する請求項1に記載の燃料電池システム。
- 前記発電制御部は、前記発電制御部が間欠運転中の電圧維持状態において前記絶縁抵抗測定部により前記ノイズ過多状態を検出した場合には、前記燃料電池に供給する酸化剤ガスの流量の増減周期を現在周期から変化させることで、前記燃料電池の出力電圧の変動周波数を現在周波数から変化せる請求項1に記載の燃料電池システム。
- 前記絶縁抵抗測定部は、前記分圧交流信号の前記波高値の変動周期のうちノイズありと判定されたノイズ判定周期と前記燃料電池の出力電圧の変動周期とに基づき前記ノイズ過多状態が前記発電制御部による電圧維持制御に起因するものであるか否かを判定し、前記ノイズ過多状態が前記電圧維持制御に起因するものであると判定された場合に、前記発電制御部に前記燃料電池の出力電圧の変動周波数を現在周波数から変化せることを指示する請求項1乃至3のいずれか1項に記載の燃料電池システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2019075565A JP7167825B2 (ja) | 2019-04-11 | 2019-04-11 | 燃料電池システム |
US16/802,697 US11056701B2 (en) | 2019-04-11 | 2020-02-27 | Fuel cell system |
CN202010268844.XA CN111816899A (zh) | 2019-04-11 | 2020-04-08 | 燃料电池系统 |
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JP2019075565A JP7167825B2 (ja) | 2019-04-11 | 2019-04-11 | 燃料電池システム |
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JP2020173986A JP2020173986A (ja) | 2020-10-22 |
JP7167825B2 true JP7167825B2 (ja) | 2022-11-09 |
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JP2019075565A Active JP7167825B2 (ja) | 2019-04-11 | 2019-04-11 | 燃料電池システム |
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US (1) | US11056701B2 (ja) |
JP (1) | JP7167825B2 (ja) |
CN (1) | CN111816899A (ja) |
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CN117332740B (zh) * | 2023-12-01 | 2024-02-23 | 武汉氢能与燃料电池产业技术研究院有限公司 | 一种燃料电池系统绝缘设计方法、装置及电子设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009093916A (ja) | 2007-10-09 | 2009-04-30 | Toyota Motor Corp | 燃料電池システム |
JP2009110848A (ja) | 2007-10-31 | 2009-05-21 | Toyota Motor Corp | 燃料電池システム |
JP2015210085A (ja) | 2014-04-23 | 2015-11-24 | 株式会社デンソー | 地絡判定装置 |
Family Cites Families (11)
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JP4929557B2 (ja) * | 2003-06-11 | 2012-05-09 | トヨタ自動車株式会社 | 燃料電池システム |
JP4702592B2 (ja) * | 2004-04-28 | 2011-06-15 | トヨタ自動車株式会社 | 燃料電池システム及びその運転方法 |
JP2006331918A (ja) * | 2005-05-27 | 2006-12-07 | Toyota Motor Corp | 燃料電池システム |
JP5067707B2 (ja) * | 2007-05-31 | 2012-11-07 | トヨタ自動車株式会社 | 燃料電池システム |
JP2009054553A (ja) * | 2007-08-29 | 2009-03-12 | Toyota Motor Corp | 燃料電池システム及びその制御方法 |
JP2010146751A (ja) * | 2008-12-16 | 2010-07-01 | Honda Motor Co Ltd | 燃料電池システム |
JP2013176178A (ja) | 2012-02-23 | 2013-09-05 | Nissan Motor Co Ltd | 電動車両の診断装置 |
JP6229642B2 (ja) | 2014-11-15 | 2017-11-15 | トヨタ自動車株式会社 | 電源システムおよび燃料電池の電圧制御方法 |
JP2017083388A (ja) | 2015-10-30 | 2017-05-18 | パナソニックIpマネジメント株式会社 | 漏電検出装置および漏電検出方法 |
KR101836651B1 (ko) * | 2016-06-13 | 2018-03-09 | 현대자동차주식회사 | 연료전지차량의 절연저항 측정 시스템 및 방법 |
CN108445397B (zh) * | 2018-02-01 | 2020-08-18 | 宁德时代新能源科技股份有限公司 | 绝缘检测电路的参数选取方法和装置、存储介质 |
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- 2019-04-11 JP JP2019075565A patent/JP7167825B2/ja active Active
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2020
- 2020-02-27 US US16/802,697 patent/US11056701B2/en active Active
- 2020-04-08 CN CN202010268844.XA patent/CN111816899A/zh active Pending
Patent Citations (3)
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JP2009093916A (ja) | 2007-10-09 | 2009-04-30 | Toyota Motor Corp | 燃料電池システム |
JP2009110848A (ja) | 2007-10-31 | 2009-05-21 | Toyota Motor Corp | 燃料電池システム |
JP2015210085A (ja) | 2014-04-23 | 2015-11-24 | 株式会社デンソー | 地絡判定装置 |
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US20200328442A1 (en) | 2020-10-15 |
JP2020173986A (ja) | 2020-10-22 |
US11056701B2 (en) | 2021-07-06 |
CN111816899A (zh) | 2020-10-23 |
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