WO2024126081A1 - Système de charge pour véhicule électrique ou hybride et véhicule associé - Google Patents
Système de charge pour véhicule électrique ou hybride et véhicule associé Download PDFInfo
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- WO2024126081A1 WO2024126081A1 PCT/EP2023/083833 EP2023083833W WO2024126081A1 WO 2024126081 A1 WO2024126081 A1 WO 2024126081A1 EP 2023083833 W EP2023083833 W EP 2023083833W WO 2024126081 A1 WO2024126081 A1 WO 2024126081A1
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- Prior art keywords
- charging
- switch
- terminal
- positive
- voltage
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Classifications
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- 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
- B60L53/20—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 converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- 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
- B60L53/11—DC charging controlled by the charging station, e.g. mode 4
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- 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
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- 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
- B60L53/20—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 converters located in the vehicle
- B60L53/24—Using the vehicle's propulsion converter for charging
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- 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
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- 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
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
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- 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
- H02M3/1552—Boost converters exploiting the leakage inductance of a transformer or of an alternator as boost inductor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
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- 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
- B60L2210/14—Boost converters
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- 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
- B60L2210/40—DC to AC converters
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- 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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/50—Structural details of electrical machines
- B60L2220/54—Windings for different functions
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- 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
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
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- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- 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
- H02J2310/40—The network being an on-board power network, i.e. within a vehicle
- H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]
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- 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
- H02M3/156—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 with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—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 with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
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- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/42—Conversion of DC power input into AC power output without possibility of reversal
- H02M7/44—Conversion of DC power input into AC power output without possibility of reversal by static converters
- H02M7/48—Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of DC power input into AC power output without possibility of reversal 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
- H02M7/537—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters
- H02M7/5387—Conversion of DC power input into AC power output without possibility of reversal 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, e.g. single switched pulse inverters in a bridge configuration
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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
- 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
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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
- 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
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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
- 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
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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
- 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
Definitions
- the present invention relates to the fields of automobiles and
- F electrotechnics and concerns more precisely a charging system for an electric or hybrid vehicle and a vehicle comprising such a charging system.
- An electric or hybrid vehicle includes a high-voltage traction battery, which is discharged to power an electric traction motor of the vehicle. This therefore requires a traction battery charging system. Such a system recharges the traction battery by recovering energy when the vehicle brakes, or from a charging station external to the vehicle. However, not all charging stations provide the same type of charge.
- the vehicle charging system must therefore preferably include several types of chargers depending on the type of charging, for example a charger dedicated to alternating current charging and a device dedicated to direct current charging using an external charger.
- this voltage booster stage uses the stator inductances of an electric motor of the vehicle and an inverter of the vehicle, this means that this motor and this inverter must be sized to support the charging current of the traction battery, whatever regardless of the voltage level supplied by the charging terminal.
- this motor and this inverter must be sized to support the charging current of the traction battery, whatever regardless of the voltage level supplied by the charging terminal.
- the vehicle even if for example for the operation of the vehicle while driving, an electric motor and an inverter supporting a maximum phase current of 130A (Amps) sufficient, the vehicle must integrate an electric motor and an inverter supporting a higher maximum phase current, corresponding to a charging current of the traction battery supplied by a charging terminal with a charging voltage also very high, of the order of 800V (Volts) for example.
- the present invention aims to remedy at least in part the drawbacks of the prior art by providing a charging system for an electric or hybrid vehicle, and such a vehicle, making it possible to charge a traction battery of the vehicle using a direct current charging terminal, whether the voltage level supplied by the charging terminal is lower or higher than that of the traction battery, without the need for oversizing an electric motor and an inverter of the vehicle, and minimizing electrical losses during this charge.
- the present invention proposes a charging system for an electric or hybrid vehicle, the vehicle comprising a traction battery, an inverter capable of being connected at the input to the traction battery and connected at the output to a motor with alternating current, the charging system comprising a voltage booster assembly, the charging system further comprising first means of connecting the traction battery to the input of the inverter and second means of connecting a power socket charging at an input of the voltage booster assembly, the charging system being characterized in that it further comprises third connection means capable of directly connecting the traction battery to the charging socket.
- connection directly we mean that the third connection means are capable of connecting the charging socket to the terminals of the traction battery without going through the voltage booster assembly, only a few conductors or components of zero resistance or almost zero separating the charging socket from the traction battery when the third connection means are used.
- connection at the input or output of a functional assembly such as the inverter or the voltage booster assembly is understood as a connection to the terminals of this input or respectively of this output, that is to say a parallel connection to this input or respectively this output.
- the inverter is notably connected at the output (by in relation to its inverter function) to the phase connections of the vehicle's electric motor.
- the traction battery is understood as a battery powering the inverter and the electric motor when the vehicle is running, unlike a vehicle battery supplying a low voltage electrical network of the vehicle.
- vehicle for example 14V
- the traction battery can therefore also be understood as a propulsion battery depending on the electric motor used.
- the battery referred to in this application is the vehicle's traction battery.
- motor and inverter in this patent application refer to an electric traction or propulsion motor and a traction or propulsion inverter of the vehicle, unless otherwise indicated.
- the terms “charge” or “recharge” are considered equivalent in this request.
- a DC traction battery charging current passes through the voltage booster assembly when the first and second connection means are used, or arrives directly at the traction battery when the first and third connection means are used.
- the latter case corresponds to charging during which the vehicle is connected to a charging terminal providing a charging voltage greater than a voltage across the traction battery.
- the charging current coming from such a charging terminal does not suffer electrical losses in the voltage step-up assembly. This also avoids oversizing the electric motor and the vehicle inverter to allow such charging (with a charging voltage higher than the battery voltage), compared to their sizing requirements for driving the vehicle.
- the charging system comprises the inverter, the motor and means for controlling the inverter and the motor to form the voltage booster assembly. This saves space in the engine compartment, and the cost of specific components to produce this voltage booster assembly.
- the first connection means comprise at least a first switch, called a positive battery switch, connected by a first of its terminals to a positive terminal of the traction battery and by a second of its terminals to a positive input terminal of the inverter, and a second switch, called a negative battery switch, connected by a first of its terminals to a negative terminal of the traction battery and by a second of its terminals to a negative input terminal of the inverter,
- the second connection means comprise on the one hand a first switch, called a positive direct current switch, connected by a first of its terminals to a positive terminal of the charging socket and by a second of its terminals to an input terminal positive of the voltage booster assembly, and on the other hand a second switch, called a negative direct current switch, connected by a first of its terminals to a negative terminal of the charging socket and by a second of its terminals to a terminal negative input of the voltage booster assembly, and
- the third connection means comprise the negative direct current switch and a switch, called a bypass switch, connected by a first of its terminals to the first or second terminal of the positive direct current switch, and by a second of its terminals to the second terminal of the positive battery switch.
- the positive input terminal of the voltage-boosting assembly is connected to a first terminal of a switch, called a boosting switch, itself connected by a second of its terminals to an inductance of the voltage-boosting assembly .
- This provides safety while driving, during which this step-up switch is opened, no current being able to pass through the voltage raiser assembly.
- the second terminal of the step-up switch is connected to a neutral point of the AC motor.
- the negative terminal of the voltage booster assembly corresponds to the negative terminal of the inverter (in the sense that they are at the same potential).
- connection explained above concerning the switch terminals are understood as direct connections, that is to say made of components of zero or almost zero resistance having only a conductive function, except possibly having an additional fuse or switch function not being the subject of the invention.
- This embodiment minimizes the number of switches of the charging system by using the negative direct current switch both for charging the traction battery passing through the voltage booster assembly and for charging the battery not passing through this assembly.
- These switches are power switches, for example mechanical relays or MOSFET transistors (for “Metal Oxide Semiconductor Field Effect Transistor”).
- the first and second terminals of each switch correspond to terminals of this switch distinct from each other.
- the bypass switch is connected by its first terminal to the first terminal of the positive direct current switch.
- This preferred variant of realization of the invention makes it possible to avoid having to close the positive direct current relay when charging the traction battery not passing through the voltage booster assembly. Furthermore, when this includes an input capacitor, this variant makes it possible to avoid coupling of this capacitance with a smoothing capacitor connected to the input of the traction battery, this coupling being able to damage the load or the charging system.
- the bypass switch is connected by its first terminal to the second terminal of the positive direct current switch.
- the positive direct current switch is closed when charging the traction battery not passing through the voltage booster assembly. This can be advantageous if we go directly from a charge of the traction battery passing through the voltage booster assembly to a charge of the traction battery not passing through the voltage booster assembly, only one switch then having to change status during this transition.
- the charging system comprises on the one hand means of communication with a direct current charging terminal to which the charging socket is connected, capable of determining a charging voltage delivered by the charging terminal, and on the other hand means for controlling the first, second and third connection means, the control means being capable of closing the positive and negative battery switches as well as the direct current switches positive and negative when the charging voltage determined by the means of communication is lower than a voltage of the traction battery, and being capable of closing the negative direct current and bypass switches when the charging voltage determined by the means of communication is greater than the maximum no-load voltage of the traction battery.
- the bypass switch is opened or kept open.
- the positive direct current switch is opened or kept open in the preferred variant of this embodiment of the 'invention.
- the positive direct current switch is kept closed or closed when the charging voltage determined by the communication means is greater than the voltage of the traction battery.
- the control means are able to close the positive and negative battery switches as well as the positive and negative direct current switches in the case where the charging voltage determined by the communication means is greater than the voltage of the traction battery but lower at the maximum no-load voltage of the traction battery.
- the voltage booster assembly further comprises a capacitance, called the booster capacitance, connected by a first of its terminals to the negative input terminal of the voltage booster assembly and by a second of its terminals to the first terminal of the step-up switch.
- the booster capacitance a capacitance, called the booster capacitance
- the invention also relates to an electric or hybrid vehicle comprising the charging system according to the invention and the traction battery, characterized in that it further comprises a connection box, the connection box comprising a connected connector electrically to the input of the inverter, a connector electrically connected to the charging socket, a connector electrically connected to the traction battery and a connector electrically connected to the positive input terminal of the voltage booster assembly, and the connection box comprising the positive and negative battery switches, the positive and negative direct current switches and the bypass switch.
- This box allows for ease of assembly and wiring.
- connection box also includes a precharging device, a first terminal of which is connected to the positive terminal of the battery and a second terminal is connected to the positive input terminal of the inverter.
- connection box By “electrically connected” we mean a direct connection without an intermediate switch.
- the connection box therefore makes it possible to group the main switches of the charging system (except the voltage step-up switch) and to ensure electrical safety around these main switches, particularly when they are mechanical relays.
- the connection box also makes it easier to maintain these main switches.
- the electric or hybrid vehicle according to the invention further comprises a smoothing capacitor connected to the output of the voltage booster assembly.
- This smoothing capacity is therefore connected to the input of the inverter, it is used to smooth the current arriving in the traction battery when the inverter operates as a current rectifier during energy recovery during braking, or when the voltage booster assembly functions as a voltage booster.
- the electric or hybrid vehicle comprises means for detecting sticking of the bypass switch after charging the traction battery using the bypass switch.
- This detection makes it possible to prohibit charging of the traction battery using a terminal with an available voltage level lower than that of the traction battery, until this switch is changed.
- sticking we mean that the switch is kept welded to its terminals if it is a mechanical relay, or a deterioration of the switch which keeps it constantly passing if it is a MOSFET transistor.
- the electric or hybrid vehicle comprises means for controlling a voltage of the traction battery and a current of the traction battery, the control means being able to open the battery switches positive and negative and/or the positive and negative direct current switches and/or the bypass switch when the control means detect an anomaly.
- This anomaly is for example a too rapid rise in the voltage of the battery or part of the battery cells.
- FIG.l illustrates a charging system for a traction battery of an electric or hybrid vehicle according to the invention, in one embodiment of the invention
- FIG.2 illustrates the position of switches of the charging system of [Fig.l] in a vehicle driving situation
- FIG.3 illustrates the position of these switches when charging the traction battery with a charging terminal capable of providing at most a voltage lower than the maximum no-load voltage of the traction battery
- FIG.4 illustrates the position of these switches when charging the traction battery with a charging terminal capable of providing at most a charging voltage greater than the maximum no-load voltage of the traction battery.
- an electric or hybrid vehicle according to the invention comprises a charging system 1 according to the invention, allowing the recharging of a traction battery 2 of the vehicle.
- the vehicle comprises a traction inverter 3 and a three-phase electric motor 4 connected to the wheels of the vehicle by a transmission chain, the inverter 3 and the motor 4 being powered by the traction battery 2 to set the vehicle in motion.
- the vehicle comprises, to connect the traction battery 2 to the inverter 3, a first switch 11, called a positive battery switch, connected by a first of its terminals to a positive terminal of the traction battery 2 and by a second of its terminals to a positive input terminal of the inverter 3, and a second switch 12, called negative battery switch 12, connected by a first of its terminals to a negative terminal of the traction battery 2 and by a second of its terminals to a negative input terminal of the inverter 3.
- input of the inverter we mean here the part of the inverter receiving a direct current and transmitting a rectified current, that is to say that the input is understood in relation to the inverter function.
- a smoothing capacity 7 is connected to the input of the inverter. It makes it possible to smooth the current entering the battery 2 when the inverter 3 is used as a current rectifier at the output of the electric motor 4 operating in generator mode.
- the positive 11 and negative 12 battery switches therefore constitute first means of connecting the traction battery 2 with the input of the inverter 3.
- the inverter 3 is also directly connected at the output to the electric motor 4 c 'that is to say without an intermediate switch.
- the vehicle also includes a direct current - direct current converter 30 connected to the terminals of the smoothing capacity 7 and making it possible to recharge a utility battery 31, intended to power consumers of the vehicle (lighting system, etc.).
- the vehicle also includes a charger 32 capable of recharging the traction battery 2 using an alternating current charging terminal.
- the charger 32 is connected at the output to the terminals of the smoothing capacity 7 and at the input to a charging socket 33 dedicated to alternating current charging.
- This charging socket 33 is for example a type 2 connector meeting the IEC 62196 standard (set of standards of the International Electrotechnical Commission).
- the vehicle also includes a charging socket 8 intended to be connected to a direct current charging terminal.
- This charging socket 8 is for example a CHAdeMO connector meeting the IEC 61851-23, -24 standard.
- the vehicle has only one charging socket allowing it to be connected to both a direct current charging terminal and an alternating current charging terminal, for example a Combo DC charging socket meeting the IEC 62196-3 standard.
- the vehicle only has one charging socket intended exclusively to be connected to a direct current charging terminal.
- the charging system 1 comprises means 40 for controlling the inverter 3 and the motor 4 to use the assembly 5 of the inverter 3 and the motor 4 as a voltage step-up stage, during charging of the traction battery 2 using a charging voltage supplied by a charging terminal lower than the maximum no-load voltage of the traction battery 2.
- the stator inductances of the electric motor 4 are used as current storage inductances in the voltage booster assembly 5, these stator inductances discharging into the traction battery 2 through the inverter 3 according to a cyclical switching ratio of the switches of the inverter 3, fixed by the control means 40 , comprising a voltmeter U across the capacity of the elevator 6.
- a negative terminal of the capacity of the elevator 6 is connected to the negative input terminal of the inverter, and a positive terminal of the capacity of the elevator 6 is connected to the neutral point of the electric motor 4 via a switch 16.
- the switch 16 called the elevator switch, is connected by a first of its terminals to the positive terminal of the capacity of the elevator 6 and a second of its terminals at the neutral point of the electric motor 4.
- This booster switch 16 makes it possible to disconnect the capacity of the elevator 6 at the input of the voltage booster assembly 5 outside the charging phases of the traction battery 2 by a terminal external load, in particular this elevator switch 16 is open when the vehicle is driving. Thus when the vehicle is rolling, capacitive coupling of the capacity of the elevator 6 with the electric motor 4 is avoided.
- the control means 40 of the inverter 3 are for example a microcontroller controlling the switches of the inverter 3, both in traction mode and in vehicle charging mode, when this charging mode uses the elevator function of set 5.
- Second vehicle connection means make it possible to connect the direct current charging socket 8 to the input of the voltage booster assembly 5.
- these second connection means include:
- a switch 13 called a positive direct current switch, connected by a first of its terminals to a positive terminal of the charging socket 8 and by a second of its terminals to the step-up switch 16, and
- a switch 14 called a negative direct current switch, connected by a first of its terminals to a negative terminal of the charging socket 8 and by a second of its terminals to the negative input terminal of the inverter 3.
- These second connection means are used to recharge the traction battery 2 via the voltage booster assembly 5 when a charging voltage of a charging terminal to which the charging socket 8 is connected is lower than the maximum no-load voltage of battery 2.
- third vehicle connection means make it possible to directly connect the direct current charging socket 8 to the traction battery 2, and are used to recharge the latter when a charging voltage from a charging terminal to which the charging socket 8 is connected is greater than the voltage at the terminals of the battery 2.
- the third connection means comprise the negative direct current switch 14 and a switch 15, called a bypass switch, connected by a first of its terminals to the first terminal of the positive direct current switch 13, and by a second of its terminals to the second terminal of the positive battery switch 11.
- the bypass switch 15 is connected by the first of its terminals to the second terminal of the positive direct current switch 13, and by the second of its terminals to the second terminal of the positive battery switch 11.
- the switches 11, 12, 13, 14 and 15 are here mechanical relays, grouped in a connection box 9 of the charging system 1.
- the connection box also includes a precharging relay 10 connected by one of its terminals to the positive terminal of the traction battery 2 and through the other of its terminals to the positive terminal of the inverter 3.
- a precharging resistor is connected between the precharging relay 10 and the positive terminal of the battery 2.
- the precharge relay 10 and the resistance preload form a preload device. It should be noted that other types of precharging devices can be used instead of such a relay and resistance system.
- connection box 9 The electrical outputs from the connection box 9 are made via electrical connectors 17, 18, 19 and 21.
- the connector 18 is electrically connected to the input of the inverter 3, the connector 17 is electrically connected to the socket charging 8, the connector 21 is electrically connected to the traction battery 2 and the connector 19 is electrically connected to the positive terminal of the capacity of the elevator 6.
- the charging system 1 comprises, in this embodiment of the invention, the voltage booster assembly 5, the charger 32, the charging sockets 8 and 33 as well as the connection box 9. It also comprises one or more software and/or hardware modules of a main computer 50 of the vehicle.
- the main computer 50 includes means of communication with a charging terminal 60 or 70 (referenced in Figures 3 and 4), which form part of the charging system 1.
- the charging system 1 also includes means for controlling, on the one hand, the second and third connection means and, on the other hand, the elevator switch 16, these control means being present in the main computer 50 of the vehicle .
- the charging system 1 also includes means for controlling the precharge relay 10 and the positive 11 and negative 12 battery switches, these control means also being present in a management system 20 of the traction battery 2, making possibly integrally part of the charging system 1.
- the management system 20 of the battery 2 is coupled to a sensor 22 of a current entering the battery 2 (this sensor 22 being connected to the ammeter A in [Fig.1 ]) and a charging voltage supplied by the charging terminal 60, 70 (this sensor 22 being connected to the voltmeter V in [Fig.1]), which allows it to supervise charging of the battery 2.
- the management system 20 of the battery 2 also includes means for controlling the bypass switch 15 and positive direct current switches 13 and negative 14.
- the management system 20 of the battery 2 detects a fault during charging , he can interrupt it for safety reasons without intervention from the cal- main cululator 50 of the vehicle.
- the switches 10, 11, 12, 13, 14, 15 are therefore each controllable by the management system 20 and by the main computer 50 of the vehicle, thus achieving safe redundancy.
- the elevator switch 16 can be controlled by the main computer 50 and by the control means 40.
- the main computer 50 detects a potential sticking of one of the switches 10, 11, 12, 13, 14, 15 or 16 used during charging of the traction battery, at the end of this charge, and imposes a degraded operating mode on the vehicle if such sticking is detected.
- This detection uses, for example, voltage measurements at different points of the charging system 1.
- the operation of the charging system 1 is now explained in relation to different cases of use of the vehicle, in which the maximum no-load voltage of the traction battery is 800V.
- the invention can be used with batteries having maximum no-load voltages of different values.
- FIG.3 illustrates a charging situation for the traction battery 2 using the charging terminal 60 not delivering a voltage level higher than the maximum no-load voltage of the battery.
- this charging terminal can provide a maximum charging voltage of 400V or 500V. It is assumed, in this example of use of the invention, that the voltage across the battery 2 is greater than a maximum charging voltage delivered by the charging terminal 60.
- the calculator 50 was able to determine this maximum charging voltage. and the fact that it is lower than the maximum no-load voltage of the battery 2, before charging the battery 2, by communicating with the charging terminal 60.
- the charging system 1 keeps the switch closed elevator 16, positive direct current switches 13 and negative 14, as well as the positive 11 and negative 12 battery switches.
- the charging system 1 keeps the bypass switch 15 open. It should be noted that during this charge, the precharge relay 10, managed by the management system 20, is also left open (with the exception of the precharging period preceding this charging of the traction battery 2, in which the precharging relay 10 is closed and the positive battery relay 11 open).
- the charging voltage applied by the charging terminal 60 is applied to the capacity of the booster 6, and the control means 40 of the inverter control the voltage booster assembly 5 to supply output of this assembly 5 voltage booster (therefore at the input of the inverter), a voltage greater than the voltage of battery 2.
- FIG.4 illustrates a charging situation for the traction battery 2 using the charging terminal 70 delivering a voltage level of up to 820V.
- the main computer 50 having communicated with the charging terminal 70, requested a charging voltage higher than the voltage of battery 2, itself lower than 800V (since it needs to be recharged).
- the charging system 1 keeps open the boost switch 16, and the positive direct current switch 13.
- the precharge relay 10 is kept open (with the exception of the precharge period preceding this charge of the traction battery 2, in which the precharge relay 10 is closed and the positive battery relay 11 open).
- the precharge relay 10 keeps the negative current switch 14, the bypass relay 15 as well as the positive 11 and negative 12 battery switches closed.
- the charging voltage delivered by the charging terminal 70 is directly applied to the terminals of the traction battery 2, without any electrical loss generated by the inverter 3 or the electric motor 4, nor undesirable capacitive effect .
- the bypass switch 15 is connected by one of its terminals directly to the positive terminal of the capacity of the elevator 6, there is a coupling of the capacity of the elevator 6 with the smoothing capacity 7 which is detrimental to the recharging of the battery 2.
- the positive direct current switch 13 is kept closed during this charge.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380091499.9A CN120548266A (zh) | 2022-12-16 | 2023-11-30 | 用于电动车辆或混合动力车辆的充电系统和相关联的车辆 |
| KR1020257023953A KR20250123904A (ko) | 2022-12-16 | 2023-11-30 | 전기차 또는 하이브리드 차량용 충전 시스템 및 관련 차량 |
| EP23814497.6A EP4633996A1 (fr) | 2022-12-16 | 2023-11-30 | Système de charge pour véhicule électrique ou hybride et véhicule associé |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FRFR2213557 | 2022-12-16 | ||
| FR2213557A FR3143459B1 (fr) | 2022-12-16 | 2022-12-16 | Système de charge pour véhicule électrique ou hybride et véhicule associé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024126081A1 true WO2024126081A1 (fr) | 2024-06-20 |
Family
ID=85380924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2023/083833 Ceased WO2024126081A1 (fr) | 2022-12-16 | 2023-11-30 | Système de charge pour véhicule électrique ou hybride et véhicule associé |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4633996A1 (fr) |
| KR (1) | KR20250123904A (fr) |
| CN (1) | CN120548266A (fr) |
| FR (1) | FR3143459B1 (fr) |
| WO (1) | WO2024126081A1 (fr) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2943188A1 (fr) | 2009-03-11 | 2010-09-17 | Renault Sas | Dispositif de charge rapide pour un vehicule electrique. |
| US20160243953A1 (en) * | 2015-02-23 | 2016-08-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Vehicle comprising a charging system for a battery |
| DE102018207188A1 (de) * | 2018-05-09 | 2019-11-14 | Robert Bosch Gmbh | Wechselrichter, elektrischer Antriebsstrang, Fahrzeug und Verfahren zum Betrieb eines Wechselrichters |
| US20210101494A1 (en) * | 2019-10-08 | 2021-04-08 | Hyundai Motor Company | Battery charger for electric vehicle |
| US11091049B2 (en) * | 2018-05-23 | 2021-08-17 | Hyundai Motor Company | Power conversion device for charging vehicle battery and method for controlling the same |
-
2022
- 2022-12-16 FR FR2213557A patent/FR3143459B1/fr active Active
-
2023
- 2023-11-30 EP EP23814497.6A patent/EP4633996A1/fr active Pending
- 2023-11-30 KR KR1020257023953A patent/KR20250123904A/ko active Pending
- 2023-11-30 CN CN202380091499.9A patent/CN120548266A/zh active Pending
- 2023-11-30 WO PCT/EP2023/083833 patent/WO2024126081A1/fr not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2943188A1 (fr) | 2009-03-11 | 2010-09-17 | Renault Sas | Dispositif de charge rapide pour un vehicule electrique. |
| US20160243953A1 (en) * | 2015-02-23 | 2016-08-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Vehicle comprising a charging system for a battery |
| DE102018207188A1 (de) * | 2018-05-09 | 2019-11-14 | Robert Bosch Gmbh | Wechselrichter, elektrischer Antriebsstrang, Fahrzeug und Verfahren zum Betrieb eines Wechselrichters |
| US11091049B2 (en) * | 2018-05-23 | 2021-08-17 | Hyundai Motor Company | Power conversion device for charging vehicle battery and method for controlling the same |
| US20210101494A1 (en) * | 2019-10-08 | 2021-04-08 | Hyundai Motor Company | Battery charger for electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3143459A1 (fr) | 2024-06-21 |
| KR20250123904A (ko) | 2025-08-18 |
| CN120548266A (zh) | 2025-08-26 |
| FR3143459B1 (fr) | 2025-03-21 |
| EP4633996A1 (fr) | 2025-10-22 |
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