JP2013004388A - 燃料電池システム及び該システム搭載車両 - Google Patents
燃料電池システム及び該システム搭載車両 Download PDFInfo
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
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- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- 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
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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
- H01M8/04791—Concentration; Density
- H01M8/04798—Concentration; Density of fuel cell reactants
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/12—Buck converters
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/14—Boost converters
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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
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
【解決手段】ECU24は、バッテリ20の電圧Vbatが、燃料電池40の酸化還元進行電圧範囲外の電圧である場合には、DC/DCコンバータ22を直結状態{Vbat≒Vfc}に制御するとともに、燃料電池40に供給する酸素又は水素の濃度を負荷33の要求電力に基づき決定される目標発電電力に追従するようにガス供給手段を制御する。このため、燃料電池40の劣化が防止され、且つDC/DCコンバータ24での昇降圧に係わる電力損失を低減することができる。
【選択図】図4
Description
次に、ECU24における基本制御の動作について説明する。この基本制御を前提として、第1〜第3実施例を後述する。
Pthp=0.8[V]×Nfc×Icellp (1)
上述した基本制御において、例えば、システム負荷(システム要求負荷)Psysが大きい場合には、上述したステップS22(図12)の処理に係る、図13中、電圧v2(=0.8V)以下での通常IV特性162に沿うモードA制御、すなわち、目標FC電圧Vfctgtが可変で、カソードストイキ比(≒酸素濃度)が通常とされ、且つFC電流Ifcが可変とされる制御が実行される。
以上説明したように、第1実施例に係る燃料電池システム12は、触媒を有し、前記触媒で酸素又は水素を反応させることで発電するFCスタック40と、前記酸素及び前記水素の少なくとも一方を、FCスタック40に供給するガス供給手段{燃料ガス供給手段(水素タンク44)、酸化剤ガス供給手段(エアポンプ60)}と、蓄電量に応じて出力電圧が変動するバッテリ20(蓄電装置)と、FCスタック40に並列且つバッテリ20に直列に設けられ、FCスタック40のFC電圧Vfcを調整するDC/DCコンバータ22(電圧調整手段)と、FCスタック40の出力電力により駆動される負荷33と、負荷33のシステム電力(システム要求電力)Psysを検出するとともに、FCスタック40、前記ガス供給手段、及びDC/DCコンバータ22を制御するECU24(制御手段)を有する。
図22は、第2実施例に係るFCユニット18の概略構成を示している。この第2実施例に係るFCユニット18において、カソード系56aには、エアポンプ60、加湿器62、及び背圧弁64の他、循環弁(カソード循環弁)66が含まれる。
上述した第1実施例及び第2実施例の直結制御において、直結しようとするときに、バッテリ20のSOC値が高く、バッテリ電圧Vbatが高い値に保持されていると、バッテリ電圧Vbatが酸化還元進行領域R3内にある確率が高くなる。
なお、この発明は、上記実施形態に限らず、この明細書の記載内容に基づき、種々の構成を採り得ることはもちろんである。例えば、以下の構成を採用することができる。
14…駆動モータ(負荷) 16…インバータ(負荷)
18…燃料電池ユニット 20…高電圧バッテリ(蓄電装置)
22…DC/DCコンバータ(電圧調整手段)
24…ECU(制御装置) 33…負荷
40…FCスタック 44…水素タンク
60…エアポンプ(負荷) 66…循環弁
80…ウォータポンプ(負荷) 90…エアコンディショナ(負荷)
Claims (2)
- 触媒を有し、前記触媒で酸素又は水素を反応させることで発電する燃料電池と、
前記酸素及び前記水素の少なくとも一方を、前記燃料電池に供給するガス供給手段と、
蓄電量に応じて出力電圧が変動する蓄電装置と、
前記燃料電池に並列且つ前記蓄電装置に直列に設けられ、前記燃料電池の出力電圧を調整する電圧調整手段と、
前記燃料電池の出力電力により駆動される負荷と、
を備える燃料電池システムにおいて、
前記負荷の要求電力を検出するとともに、前記燃料電池、前記ガス供給手段、及び前記電圧調整手段を制御する制御手段を有し、
前記制御手段は、
前記蓄電装置の出力電圧が、前記燃料電池の酸化還元進行電圧範囲外である場合には、前記電圧調整手段を直結状態に制御するとともに、前記燃料電池に供給する酸素又は水素の濃度を前記負荷の要求電力に基づき決定される目標発電電力に追従するように前記ガス供給手段を制御する
ことを特徴とする燃料電池システム。 - 請求項1記載の燃料電池システムを搭載した燃料電池車両。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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JP2011135905A JP5456723B2 (ja) | 2011-06-20 | 2011-06-20 | 燃料電池システム及び該システム搭載車両 |
US13/493,360 US8795861B2 (en) | 2011-06-20 | 2012-06-11 | Fuel cell system and vehicle equipped with the same |
CN201210191106.5A CN102842727B (zh) | 2011-06-20 | 2012-06-11 | 燃料电池系统及搭载了该系统的车辆 |
DE201210210350 DE102012210350A1 (de) | 2011-06-20 | 2012-06-20 | Brennstoffzellensystem und Fahrzeug ausgestattet mit demselben |
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JP2011135905A JP5456723B2 (ja) | 2011-06-20 | 2011-06-20 | 燃料電池システム及び該システム搭載車両 |
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JP5456723B2 JP5456723B2 (ja) | 2014-04-02 |
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JP (1) | JP5456723B2 (ja) |
CN (1) | CN102842727B (ja) |
DE (1) | DE102012210350A1 (ja) |
Cited By (3)
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JP2015154001A (ja) * | 2014-02-18 | 2015-08-24 | トヨタ自動車株式会社 | 半導体モジュール |
JP2016012480A (ja) * | 2014-06-30 | 2016-01-21 | 本田技研工業株式会社 | 燃料電池システム及び燃料電池車両 |
KR20160097586A (ko) * | 2015-02-09 | 2016-08-18 | 현대자동차주식회사 | 저전압 배터리 충전 장치 및 방법 |
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JPWO2012002082A1 (ja) * | 2010-06-29 | 2013-08-22 | 本田技研工業株式会社 | 電気自動車 |
DE102012204866A1 (de) * | 2012-03-27 | 2013-10-02 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Diagnose einer Entladeschaltung eines elektrischen Systems |
GB201315754D0 (en) * | 2013-09-04 | 2013-10-16 | Lg Fuel Cell Systems Inc | Device for managing fuel cell currents |
WO2015053037A1 (ja) * | 2013-10-09 | 2015-04-16 | 日産自動車株式会社 | 燃料電池システム |
KR101646372B1 (ko) * | 2014-11-03 | 2016-08-12 | 현대자동차주식회사 | 연료전지차량의 공기블로워 제어방법 |
EP3173284B1 (de) * | 2015-11-25 | 2019-12-11 | Magna Steyr Fahrzeugtechnik AG & Co KG | Verfahren zum betreiben einer brennstoffzelle |
JP6503287B2 (ja) * | 2015-12-24 | 2019-04-17 | 本田技研工業株式会社 | 燃料電池車両 |
KR101836611B1 (ko) * | 2016-04-07 | 2018-03-09 | 현대자동차주식회사 | 연료전지차량의 시동 제어방법 |
US10071652B2 (en) * | 2016-05-11 | 2018-09-11 | Ford Global Technologies, Llc | Dual mode IGBT gate drive to reduce switching loss |
JP6310511B2 (ja) | 2016-07-19 | 2018-04-11 | 本田技研工業株式会社 | 燃料電池車両の運転方法 |
KR101897338B1 (ko) * | 2016-09-05 | 2018-09-11 | 현대자동차주식회사 | 연료전지차량의 셧다운 시스템 및 그 제어방법 |
KR102387308B1 (ko) * | 2017-01-24 | 2022-04-15 | 주식회사 스토리지안 | 발전 난방기 시스템 |
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JP2019118241A (ja) * | 2017-12-27 | 2019-07-18 | 日本電産トーソク株式会社 | モータ制御装置 |
CN108598527B (zh) * | 2018-05-17 | 2020-08-14 | 中车青岛四方机车车辆股份有限公司 | 燃料电池的供气控制方法、装置和系统以及轨道车辆 |
CN109649188A (zh) * | 2018-10-18 | 2019-04-19 | 丰疆智慧农业股份有限公司 | 混合动力拖拉机及其供能调整方法 |
NL2022815B1 (en) * | 2019-03-26 | 2020-10-02 | Hymove Holding B V | A method for operating a hydrogen fuel cell system in a vehicle as well as a hydrogen fuel cell system for operation in said vehicle. |
DE102021202819A1 (de) | 2021-03-23 | 2022-09-29 | Kässbohrer Geländefahrzeug Aktiengesellschaft | Pistenraupe und Verfahren zum Steuern der Stromversorgung einer Pistenraupe |
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- 2012-06-11 US US13/493,360 patent/US8795861B2/en active Active
- 2012-06-11 CN CN201210191106.5A patent/CN102842727B/zh active Active
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JP2015154001A (ja) * | 2014-02-18 | 2015-08-24 | トヨタ自動車株式会社 | 半導体モジュール |
JP2016012480A (ja) * | 2014-06-30 | 2016-01-21 | 本田技研工業株式会社 | 燃料電池システム及び燃料電池車両 |
KR20160097586A (ko) * | 2015-02-09 | 2016-08-18 | 현대자동차주식회사 | 저전압 배터리 충전 장치 및 방법 |
KR101683504B1 (ko) * | 2015-02-09 | 2016-12-07 | 현대자동차 주식회사 | 저전압 배터리 충전 장치 및 방법 |
US9969298B2 (en) | 2015-02-09 | 2018-05-15 | Hyundai Motor Company | Charger of low voltage battery and method thereof |
Also Published As
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DE102012210350A1 (de) | 2012-12-20 |
CN102842727B (zh) | 2015-02-04 |
JP5456723B2 (ja) | 2014-04-02 |
US8795861B2 (en) | 2014-08-05 |
CN102842727A (zh) | 2012-12-26 |
US20120321917A1 (en) | 2012-12-20 |
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