EP2898585A2 - System und verfahren zur stromversorgung eines elektrofahrzeugs - Google Patents

System und verfahren zur stromversorgung eines elektrofahrzeugs

Info

Publication number
EP2898585A2
EP2898585A2 EP13758928.9A EP13758928A EP2898585A2 EP 2898585 A2 EP2898585 A2 EP 2898585A2 EP 13758928 A EP13758928 A EP 13758928A EP 2898585 A2 EP2898585 A2 EP 2898585A2
Authority
EP
European Patent Office
Prior art keywords
high voltage
network
voltage battery
voltage network
vehicle
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.)
Withdrawn
Application number
EP13758928.9A
Other languages
English (en)
French (fr)
Inventor
Eric Chauvelier
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Publication of EP2898585A2 publication Critical patent/EP2898585A2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/60—Monitoring or controlling charging stations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • 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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • 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]
    • B60L58/13—Maintaining the SoC within a determined range
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • 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
    • B60L58/18—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
    • 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
    • H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60L2210/12—Buck converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • 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
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/72—Electric energy management in electromobility
    • 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
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • 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
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles
    • 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
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

Definitions

  • the present invention relates to a power supply system of an electric vehicle, of the type comprising a low voltage network for supplying servitudes of the vehicle and a high voltage network for supplying vehicle drive means.
  • a power supply system of an electric vehicle of the type comprising a low voltage network for supplying servitudes of the vehicle and a high voltage network for supplying vehicle drive means.
  • an electric vehicle comprises a power supply system with two separate networks: a high voltage network dedicated to the drive of the vehicle, for powering motors, and a low voltage network can supply servitudes such as the air conditioning of the vehicle. lighting, signaling functions and calculators, each network has a storage battery afi to provide the necessary energy.
  • Charging means are provided for recharging the batteries from an external power supply, for example from a home network.
  • a first converter supplies the low voltage network from the high voltage network
  • a second converter supplies the high voltage network from the home network.
  • the high voltage battery is connected to the high voltage network via switching means such as a conlactor to isolate the battery when it is not used.
  • switching means such as a conlactor to isolate the battery when it is not used.
  • it is connected when the driver of the vehicle turns it on to be ready to use it, or when the high voltage battery is charged by the home network. complete- by the home network, the second converter-puts in state of rest and disconnects from the high voltage network.
  • the vehicle When the vehicle is not in use, it is in a sleep state in which the high voltage battery is disconnected and your computers are in a sleep mode.
  • the consumption of computers on the low voltage network in standby mode is very low, but is not zero.
  • the battery of the low voltage network ends up being discharged. This can happen when the vehicle is stored at the factory before being delivered to the customer, or when the customer has gone on vacation without the vehicle that remains in the garage. In this case, the voltage is so low that your computers are no longer able to leave the standby mode. The vehicle can then not be restarted, even if it would have a high voltage battery at full load.
  • the invention therefore aims to provide a system and a method of powering an electric vehicle to extend the possible storage time by avoiding the aforementioned failure.
  • the subject of the invention is a power supply system for an electric vehicle, the system comprising a low-voltage network for supplying servitudes of the vehicle, a high-voltage network for powering drive means of the vehicle.
  • vehicle the low voltage network comprising a low voltage battery for accumulating electrical energy and a first converter connected to the high voltage network for supplying the low voltage network, ie high voltage network comprising a high voltage battery and switching means for isolating the high voltage battery
  • the system further comprising a first supervisor for controlling the switching means, the system being characterized in that it further comprises first monitoring means for determining whether the load of the Low voltage battery is less than or greater than a first threshold, the first supervisor being arranged to drive the switching means to connect the high voltage battery if the first monitoring means indicate that the charge of the low voltage battery is lower than the first threshold.
  • the switching means When the switching means establish the connection between the battery and the high voltage network, the first converter is powered and thus allows its recharging of the low voltage battery.
  • the reserve of the high-voltage battery is thus used to prolong the improvement of the low-voltage battery.
  • the possible storage time of the vehicle without risk of failure is greatly increased, so as to cover most cases.
  • the duration of autonomy thus goes from several weeks to a period of several months.
  • the supervisor has a sleep mode in which i! performs only a wake up function and an awake mode in which it performs multiple functions, the supervisor being arranged to switch from sleep mode to cycially awake mode and monitor the charge of the low voltage battery and return to sleep mode after the check .
  • the checks are thus scheduled at regular intervals, so that the supervisor remains in the sleeping mode most of the time and thus has the minimum power consumption.
  • the autonomy is increased,
  • the system comprises a second converter comprising connection means to an external power supply network for powering the high-voltage network.
  • the second converter allows normal charging of both batteries simultaneously, feeding the high voltage network.
  • the system comprises signaling means for signaling that the switching means connect the high voltage battery to the high voltage network. A user of the vehicle or a person in charge of its maintenance is thus warned of the potential electrical risk on the high voltage circuit.
  • the invention also relates to a method of controlling a power supply system of an electric vehicle, the system comprising a low voltage network for supplying servitudes of the vehicle, a high voltage network for supplying drive means of the vehicle, the low-voltage network comprising a low-voltage battery for accumulating electrical energy and a first converter connected to the high-voltage network for supplying the low-voltage network, the high-voltage network comprising a high-voltage battery, switching means for isolating the high voltage battery, the method being characterized by controlling the switching means if it is determined that its charge of the low voltage battery is lower than a first threshold so as to connect the high voltage battery.
  • the charging of the low-voltage battery is cyclically performed by passing the vehicle from a sleep mode, in which only a wake-up function is performed, to awake mode.
  • a second converter having connection means to an external power supply network for supplying the high-voltage network, if the second converter is connected to the external network, the second is further switched. converter at the same time as the switching means for supplying the high voltage network.
  • the second converter is generally provided to stop once the charging of the batteries is completed.
  • the single figure shows an electric vehicle 1 comprising drive means, not shown, supplied with electrical energy.
  • the vehicle 1 comprises connection means 1240 to be connected to an external home network, capable of supplying electricity, for example alternating current at a voltage of 230 V.
  • the electricity supplied by the home network is stored in batteries, detailed below, in order to feed in particular Its drive means without the vehicle 1 is connected to the home network.
  • the vehicle 1 comprises a power supply system. That consists essentially of a low voltage network 10 to supply servitudes 11 of the vehicle 1 and a high voltage network 12 to supply the drive means.
  • the low voltage network 10 comprises a low voltage battery 100 for accumulating electrical energy and a first converter 102 connected to the high voltage network 12 for supplying the low voltage network. 10.
  • the low-voltage battery 100 makes it possible, for example, to deliver a voltage of 12 V.
  • the high-voltage network 2 comprises a high-voltage battery 20 and switching means 22 for isolating the high-voltage battery 120.
  • the power supply system further comprises a first supervisor 14 for controlling the switching means 122.
  • the high voltage network 12 further comprises a second converter 124 comprising the connection means 1240 to the external power supply network and which is arranged to feed the high voltage network 12. If for example provides a DC voltage of 40.0 V. It also includes a second supervisor 16 arranged to manage the second converter 124.
  • the power supply system also comprises first monitoring means 17 in the form of a tensson sensor and making it possible to determine an alert on a charge level of the low-voltage battery 100.
  • the first monitoring means 17 are connected to each other. to the first supervisor 14.
  • the power supply system further comprises second monitoring means 18 for determining an alert on a charge level of the high voltage battery 120.
  • the second monitoring means 18 are connected to the second supervisor 10.
  • the power supply system also comprises signaling means 19 controlled by the first supervisor 14 and arranged to transmit information on the state of the vehicle 1.
  • the signaling means may be a visual warning device generating a continuous light. or flashing, located on the vehicle board, outside the vehicle or. in the. engine compartment, or a buzzer.
  • the second supervisor 16 is provided to handle the load of the high tensson battery 120. For this, it detects the connection of the external home network and controls the converter to that it provides the high voltage on the high voltage network 12. The second supervisor 16 receives information from the second monitoring means 18 so as to determine i Instant at which the battery high voltage 120 is loaded. The second converter 124 is then controlled to stop feeding the high voltage network 12.
  • the first supervisor 14 includes a sleep mode in which it performs only a wake up function and an awake mode in which it performs multiple functions.
  • the transition from sleep mode to awake mode is typically controlled by the user when the latter plans to use the vehicle 1, for example by switching on a key.
  • the transition from awake mode to sleep mode is controlled by the triggering of the ignition key, after a possible delay.
  • the first supervisor 14 is arranged to also go from sleep mode to awake mode sensitively, to monitor the charge of the low voltage battery 100 through the first monitoring means 17. and return to the sleep mode after verification.
  • the first monitoring means 17 directly provide a voltage level, from which the first supervisor 14 derives a charge level from the low voltage battery 100. This charge level is then compared to a first threshold.
  • the first supervisor 14 determines that the low-voltage battery 100 must be recharged. The first supervisor 14 then drives the switching means 122 to connect the high voltage battery 120 to the high voltage network 12. The first converter 102 is then powered and thus supplies DC power to the low voltage network 10, so as to recharge the low battery. At the same time, the first supervisor 14 controls the signaling means 19 to warn the users of the vehicle 1 that the high voltage network 12 is powered.
  • the first supervisor 14 sends a request to the second supervisor 16 to switch the second converter 124 to supply the high voltage network 12.
  • the first supervisor will receive information from the second supervisory means. 18 directly or through the second supervisor 18 to alert when the load of the high voltage battery 120 is less than a second threshold.
  • the first supervisor 14 does not control the connection of the switching means 122, in order to preserve a minimum level of charge of the high-voltage battery 120,
  • one. provides that the connection of switching means 122 is performed only if the home network is connected

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Stand-By Power Supply Arrangements (AREA)
EP13758928.9A 2012-09-20 2013-07-31 System und verfahren zur stromversorgung eines elektrofahrzeugs Withdrawn EP2898585A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1258840A FR2995736B1 (fr) 2012-09-20 2012-09-20 Systeme et procede d'alimentation pour un vehicule electrique
PCT/FR2013/051853 WO2014057181A2 (fr) 2012-09-20 2013-07-31 Systeme et procede d'alimentation pour un vehicule electrique

Publications (1)

Publication Number Publication Date
EP2898585A2 true EP2898585A2 (de) 2015-07-29

Family

ID=47425035

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13758928.9A Withdrawn EP2898585A2 (de) 2012-09-20 2013-07-31 System und verfahren zur stromversorgung eines elektrofahrzeugs

Country Status (5)

Country Link
US (1) US9827869B2 (de)
EP (1) EP2898585A2 (de)
CN (1) CN104737407A (de)
FR (1) FR2995736B1 (de)
WO (2) WO2014044936A2 (de)

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FR3019393B1 (fr) * 2014-03-27 2016-04-01 Air Liquide Vehicule comprenant une installation embarquee, notamment une installation cryogenique, et dispositif de jonction pour une alimentation electrique de ladite installation
DE102014210280B4 (de) * 2014-05-30 2021-02-04 Robert Bosch Gmbh Verfahren und Vorrichtung zum Betreiben einer Schaltungsanordnung, Schaltungsanordnung
DE102014222254A1 (de) * 2014-10-31 2016-05-04 Robert Bosch Gmbh Vorrichtung zum Betreiben eines Ladegeräts, Ladesystem
DE102015012358A1 (de) * 2015-09-19 2017-03-23 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Stromversorgungssystem eines Kraftfahrzeugs, Kraftfahrzeug sowie Verfahren zum Betrieb eines Stromversorgungssystems
CN105305541B (zh) * 2015-10-15 2016-06-22 福建省汽车工业集团云度新能源汽车股份有限公司 一种电动汽车低功率电池控制方法及装置
CN106080239A (zh) * 2016-07-01 2016-11-09 北京新能源汽车股份有限公司 电动车辆的低压蓄电池充电控制方法和电动车辆
JP6541713B2 (ja) * 2017-04-28 2019-07-10 本田技研工業株式会社 車両の電源装置
FR3066655B1 (fr) * 2017-05-19 2019-07-19 Valeo Siemens Eautomotive France Sas Systeme de chargeur electrique pour vehicule electrique ou hybride
CN108749635A (zh) * 2018-07-10 2018-11-06 青岛千钧投资企业（有限合伙） 驱动电动汽车高压部件工作的方法、装置及电动汽车
CN109130858B (zh) * 2018-09-25 2020-07-28 北京新能源汽车股份有限公司 一种电动汽车的直流/直流变换器启动控制电路及汽车
CN109353220A (zh) * 2018-09-28 2019-02-19 上汽通用五菱汽车股份有限公司 电池补电方法、监控设备、可读存储介质和车辆
CN111137231A (zh) * 2018-11-06 2020-05-12 北京宝沃汽车有限公司 供电系统和车辆
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CN112977295B (zh) * 2021-03-11 2022-05-31 奇瑞新能源汽车股份有限公司 电动车辆及其蓄电池控制方法、装置、整车控制器
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US20150251559A1 (en) 2015-09-10
WO2014044936A2 (fr) 2014-03-27
WO2014044936A3 (fr) 2014-06-12
WO2014057181A2 (fr) 2014-04-17
CN104737407A (zh) 2015-06-24
US9827869B2 (en) 2017-11-28
FR2995736B1 (fr) 2015-10-30
FR2995736A1 (fr) 2014-03-21

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