DE20017073U1 - The fuel cell system - Google Patents

The fuel cell system

Info

Publication number
DE20017073U1
DE20017073U1 DE20017073U DE20017073U DE20017073U1 DE 20017073 U1 DE20017073 U1 DE 20017073U1 DE 20017073 U DE20017073 U DE 20017073U DE 20017073 U DE20017073 U DE 20017073U DE 20017073 U1 DE20017073 U1 DE 20017073U1
Authority
DE
Germany
Prior art keywords
fuel cell
cell system
energy buffer
controller
converter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE20017073U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sachsenring Fahrzeugtechnik GmbH
Original Assignee
Sachsenring Entwicklungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sachsenring Entwicklungs GmbH filed Critical Sachsenring Entwicklungs GmbH
Priority to DE20017073U priority Critical patent/DE20017073U1/en
Publication of DE20017073U1 publication Critical patent/DE20017073U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H01M8/04559—Voltage of fuel cell stacks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M16/00—Structural combinations of different types of electrochemical generators
    • H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
    • H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
    • 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
    • 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
    • H01M8/04567—Voltage of auxiliary devices, e.g. batteries, capacitors
    • 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
    • H01M8/04574—Current
    • H01M8/04597—Current of auxiliary devices, e.g. batteries, capacitors
    • 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
    • H01M8/04895—Current
    • H01M8/04917—Current of auxiliary devices, e.g. batteries, capacitors
    • 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
    • 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
    • H02J2300/30—The power source being a fuel cell
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Fuel Cell (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (9)

1. Brennstoffzellensystem zur Stromversorgung eines Verbrauchers (R), unter Verwendung wenigstens einer Brennstoffzelle (1), eines Converters (2) und eines Controllers (4), dadurch gekennzeichnet, daß der Brennstoffzelle (1) ein, die Spannungsschwankungen der Brennstoffzelle (1) ausgleichender, Energiepuffer (3) zugeordnet ist, wobei die Brennstoffzelle (1) und der Energiepuffer (3) mit dem Converter (2) gekoppelt und die Spannungszustände von Brennstoffzelle (1), Converter (2) und Energiepuffer (3) durch den Controller (4) erfaßbar sind, und der Verbraucher (R) mit dem, im wesentlichen konstante Spannungen gewährleistenden, Energiepuffer (3) verbunden ist.1. Fuel cell system for power supply to a consumer (R), using at least one fuel cell ( 1 ), a converter ( 2 ) and a controller ( 4 ), characterized in that the fuel cell ( 1 ), the voltage fluctuations of the fuel cell ( 1 ) equalizing, energy buffer ( 3 ) is assigned, the fuel cell ( 1 ) and the energy buffer ( 3 ) being coupled to the converter ( 2 ) and the voltage states of the fuel cell ( 1 ), converter ( 2 ) and energy buffer ( 3 ) by the controller ( 4 ) can be detected, and the consumer (R) is connected to the energy buffer ( 3 ), which ensures essentially constant voltages. 2. Brennstoffzellensystem nach Anspruch 1, dadurch gekennzeichnet, daß durch den Energiepuffer (3) bei Stromschwankungen eine konstante Betriebs- und Leerlaufspannung gewährleistbar ist.2. Fuel cell system according to claim 1, characterized in that a constant operating and open circuit voltage can be guaranteed by the energy buffer ( 3 ) in the event of current fluctuations. 3. Brennstoffzellensystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Brennstoffzelle (1), über den Converter (2) mit dem Energiepuffer (3) parallel geschaltet ist. 3. Fuel cell system according to claim 1 or 2, characterized in that the fuel cell ( 1 ), via the converter ( 2 ) with the energy buffer ( 3 ) is connected in parallel. 4. Brennstoffzellensystem nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Energiepuffer (3) als wenigstens ein, eine hohe spezifische Kapazität besitzender schnell speichernder, Kondensator ausgebildet ist.4. Fuel cell system according to one or more of claims 1 to 3, characterized in that the energy buffer ( 3 ) is designed as at least one, high-capacity, fast-storing capacitor. 5. Brennstoffzellensystem nach einem oder mehreren der Ansprüche von 1 bis 4, dadurch gekennzeichnet, daß der Kondensator einen, über eine elektronische Kopplung an die Brennstoffzelle konstanten, Ladezustand aufweist.5. Fuel cell system according to one or more of the Claims from 1 to 4, characterized in that the Capacitor one, via an electronic coupling the fuel cell has a constant state of charge. 6. Brennstoffzellensystem nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß der Energiepuffer (3) als ECDL- Kondensator ausgebildet ist.6. Fuel cell system according to claim 4 or 5, characterized in that the energy buffer ( 3 ) is designed as an ECDL capacitor. 7. Brennstoffzellensystem nach einem oder mehreren der Ansprüche 4 bis 6, dadurch gekennzeichnet, daß der Energiepuffer (3) als Kondensatorbank, bestehend aus einer Vielzahl von ECDL-Kondensatoren, ausgebildet ist.7. Fuel cell system according to one or more of claims 4 to 6, characterized in that the energy buffer ( 3 ) is designed as a capacitor bank, consisting of a plurality of ECDL capacitors. 8. Brennstoffzellensystem nach einem oder mehreren der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Controller (4) als Mikrocontroller ausgebildet ist. 8. Fuel cell system according to one or more of claims 1 to 7, characterized in that the controller ( 4 ) is designed as a microcontroller. 9. Brennstoffzellensystem nach einem oder mehreren der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Controller (4) den Laderegler (2) derartig steuert, daß dem Energiepuffer (3) ein, dem Entnahmestrom des Verbrauchers entsprechender, Ladestrom zugeführt wird.9. Fuel cell system according to one or more of claims 1 to 8, characterized in that the controller ( 4 ) controls the charge controller ( 2 ) in such a way that the energy buffer ( 3 ) is supplied with a charge current corresponding to the consumption current of the consumer.
DE20017073U 2000-10-04 2000-10-04 The fuel cell system Expired - Lifetime DE20017073U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20017073U DE20017073U1 (en) 2000-10-04 2000-10-04 The fuel cell system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20017073U DE20017073U1 (en) 2000-10-04 2000-10-04 The fuel cell system

Publications (1)

Publication Number Publication Date
DE20017073U1 true DE20017073U1 (en) 2002-02-14

Family

ID=7947271

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20017073U Expired - Lifetime DE20017073U1 (en) 2000-10-04 2000-10-04 The fuel cell system

Country Status (1)

Country Link
DE (1) DE20017073U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018222430A1 (en) * 2018-12-20 2020-06-25 Robert Bosch Gmbh Method for operating a fuel cell device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431747A1 (en) * 1993-09-06 1995-03-09 Imra Europe Sa Voltage generator with fuel cell
DE4427077C1 (en) * 1994-07-30 1996-03-21 Fraunhofer Ges Forschung Device for the exchange of charges between a plurality of energy stores or converters connected in pure
EP0782209A1 (en) * 1995-12-29 1997-07-02 FINMECCANICA S.p.A. AZIENDA ANSALDO A supply system with fuel cells and a buffer battery for a self-supplied vehicle with electric drive
WO1998056058A1 (en) * 1997-06-06 1998-12-10 Volkswagen Aktiengesellschaft Fuel cell methanol reformer with an energy storage unit and method for controlling the energy flow of the system
WO2000066388A1 (en) * 1999-04-30 2000-11-09 Hristo Todorov Ribarev Method and device for energy accumulation and recuperation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431747A1 (en) * 1993-09-06 1995-03-09 Imra Europe Sa Voltage generator with fuel cell
DE4427077C1 (en) * 1994-07-30 1996-03-21 Fraunhofer Ges Forschung Device for the exchange of charges between a plurality of energy stores or converters connected in pure
EP0782209A1 (en) * 1995-12-29 1997-07-02 FINMECCANICA S.p.A. AZIENDA ANSALDO A supply system with fuel cells and a buffer battery for a self-supplied vehicle with electric drive
WO1998056058A1 (en) * 1997-06-06 1998-12-10 Volkswagen Aktiengesellschaft Fuel cell methanol reformer with an energy storage unit and method for controlling the energy flow of the system
WO2000066388A1 (en) * 1999-04-30 2000-11-09 Hristo Todorov Ribarev Method and device for energy accumulation and recuperation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP 06275296 A.,In: Patent Abstracts of Japan *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018222430A1 (en) * 2018-12-20 2020-06-25 Robert Bosch Gmbh Method for operating a fuel cell device

Similar Documents

Publication Publication Date Title
EP2047579B1 (en) System for supplying voltage to electrical loads of a motor vehicle using a supercap
DE19502762C2 (en) Process and circuit arrangement for MPP control of photovoltaic solar systems
CH677048A5 (en)
DE112008003996T5 (en) driver unit
EP3207585B2 (en) Method for the operation of a power grid, in particular a power grid of a watercraft
EP1784910A1 (en) Voltage regulator with over-voltage protection
DE3212022A1 (en) METHOD AND DEVICE FOR THE AUTOMATIC SETTING OF THE OPTIMAL WORKING POINT OF A DC VOLTAGE SOURCE
DE102008053943A1 (en) Power supply with a maximum power point tracking function
DE102017212320A1 (en) Electrical wiring system for motor vehicles with a converter and a high load consumer
DE2535245A1 (en) BATTERY CHARGER
DE20017073U1 (en) The fuel cell system
DE112019006840T5 (en) Control device and solar power generation system
AT411412B (en) BUFFER CIRCUIT
DE3517628C2 (en)
DE102008058296A1 (en) Method for providing power to consumers in a bus device and ballast device
EP1885049A1 (en) Power supply unit with combined up/down switch transducer
DE102009027228A1 (en) Energy allocation device for use in energy distribution system for operating e.g. energy consumer, has switch arrangement for connecting input terminals to output terminals based on energy requirement characteristics of energy consumers
CH677566A5 (en)
DE102004044425B4 (en) Vending machine with charging function for local energy source
DE3319511C2 (en)
DE202011103790U1 (en) field device
EP0929925A1 (en) Circuit for controlling a motor with a device for recognising an overload
DE10149278A1 (en) Regulating current supply to electrical loads with low supply voltage involves producing control signal per voltage regulator depending on applied input voltage and specific reference value
WO2021245023A1 (en) Method for controlling a dc converter
DE20205399U1 (en) Electromotive actuator

Legal Events

Date Code Title Description
R163 Identified publications notified
R207 Utility model specification

Effective date: 20020321

R081 Change of applicant/patentee

Owner name: SACHSENRING FAHRZEUGTECHNIK GMBH, DE

Free format text: FORMER OWNER: SACHSENRING ENTWICKLUNGSGESELLSCHAFT MBH, 08058 ZWICKAU, DE

Effective date: 20020903

R156 Lapse of ip right after 3 years

Effective date: 20040501