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WO2018101702A1 - Système de charge de véhicule électrique capable de réaliser une charge entre véhicules - Google Patents

Système de charge de véhicule électrique capable de réaliser une charge entre véhicules Download PDF

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Publication number
WO2018101702A1
WO2018101702A1 PCT/KR2017/013684 KR2017013684W WO2018101702A1 WO 2018101702 A1 WO2018101702 A1 WO 2018101702A1 KR 2017013684 W KR2017013684 W KR 2017013684W WO 2018101702 A1 WO2018101702 A1 WO 2018101702A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging
electric vehicle
battery
vehicle
cable
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.)
Ceased
Application number
PCT/KR2017/013684
Other languages
English (en)
Korean (ko)
Inventor
고홍기
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 Korea Co Ltd
Original Assignee
Renault Samsung Motors Inc
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
Priority claimed from KR1020160159964A external-priority patent/KR102686889B1/ko
Priority claimed from KR1020170114321A external-priority patent/KR102538406B1/ko
Application filed by Renault Samsung Motors Inc filed Critical Renault Samsung Motors Inc
Publication of WO2018101702A1 publication Critical patent/WO2018101702A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present invention relates to battery charging technology for electric vehicles, and more particularly, to research and improvement related to the standard of IEC 61851-23 (DC electric vehicle charging station).
  • Electric cars have a shorter mileage compared to internal combustion engine cars using fossil fuels due to the limited battery capacity. Despite the short mileage, charging stations for electric vehicles are far shorter than gas stations for internal combustion engine cars, so electric vehicle drivers are always anxious about battery discharge while driving.
  • the inventor of the present invention has been studying a method for charging the electric vehicle discharged while driving.
  • the present invention has been completed after a lot of efforts to complete a system for charging in a discharge situation using a general electric vehicle around the vehicle rather than a specially manufactured vehicle for charging.
  • An object of the present invention is to implement a charging system that can be used "universally" in a discharge situation while driving an electric vehicle.
  • An object of the present invention in a first aspect of the present invention is to provide a method for charging an electric vehicle by sending electric power of the electric vehicle to another electric vehicle through a portable electric vehicle charging cable.
  • An object of the present invention according to the second aspect of the present invention is to ensure versatility by using a battery and a charging terminal of a conventional electric vehicle as it is to supply power to another vehicle using a general electric vehicle.
  • Another object of the present invention is to shorten the waiting time in an emergency by supplying power to the electric vehicle discharged through the above charging system.
  • a pair of inlets connected to a charging terminal of an individual electric vehicle for charging a vehicle vs vehicle;
  • a portable electric vehicle charging cable formed between a pair of inlets and including a main body for controlling chassis charging:
  • a communication unit communicating with a battery control system (BMS) installed in an individual electric vehicle;
  • control unit for receiving a signal from the communication unit and controlling the converter.
  • the main body of the charging cable may further include a backflow prevention circuit connected to the converter to prevent backflow of current.
  • control unit of the charging cable according to an embodiment of the present invention
  • the controller may be configured to receive a charge request signal and a state of charge (SOC) from a battery control unit (BMS) of a powered electric vehicle.
  • SOC state of charge
  • BMS battery control unit
  • BMS battery control unit
  • BMS battery control unit
  • the portable electric vehicle charging cable may include charging and monitoring a state of charge (SOC) of a powered electric vehicle.
  • SOC state of charge
  • a second aspect of the invention relates to a charging system for a chassis electric vehicle:
  • a boosting unit boosting the voltage output from the battery to a predetermined potential
  • a charging terminal for connection with the outside during charging or discharging of the battery
  • the switch is controlled according to a charging mode or a discharging mode of a charging system, and the switch is controlled to connect the charging terminal and the battery when the charging system is in the charging mode, and the charging terminal when the charging system is in the discharge mode.
  • a control unit for controlling the switch to connect the boosting unit.
  • the charging terminal includes a recognizing unit that determines a coupling direction of a charging cable, and transmits the determination result of the recognizing unit to the control unit to provide the control unit.
  • the switch may be controlled according to the determination result.
  • the charging cable includes a recognition device indicating the coupling direction of the cable on one side ,
  • the recognition unit may determine the coupling direction of the cable according to the presence or absence of the recognition device.
  • the present invention has the effect of charging the electric vehicle in the face of an emergency by discharging the battery using the electric vehicle of another person. This is because it can be urgently powered from an ordinary electric vehicle instead of a dedicated charging system.
  • FIG. 1 shows a configuration example of an electric vehicle charging system according to the prior art.
  • FIG. 2 is a view showing FIG. 1 in more detail.
  • FIG 3 is a view conceptually illustrating the technical idea of the present invention.
  • Figure 4 shows a schematic configuration of a portable electric vehicle charging cable according to a preferred embodiment of the present invention.
  • FIG. 5 is a view showing a preferred embodiment of the reverse current prevention circuit of the present invention.
  • FIG. 6 schematically shows an entire process of an electric vehicle charging method according to a preferred embodiment of the present invention.
  • FIG. 7 shows an example of the configuration of a charging system according to a preferred embodiment of the second aspect of the present invention.
  • FIG. 8 is a view showing emergency charging between vehicles according to an embodiment of the present invention.
  • FIG. 9 is a diagram illustrating charging between a vehicle and a charging station according to another embodiment of the present invention.
  • FIG. 10 shows an example of the configuration of a system that automatically recognizes the charge / discharge according to another embodiment of the present invention.
  • the charging station 1 shows a configuration example of an electric vehicle charging system according to the prior art. According to the prior art, the charging station 1 is required for charging the electric vehicle 2.
  • the charging station 1 of the prior art includes a control unit 1x, a boost converter 1y and a charging terminal 1z.
  • the charging station 1 converts AC or DC power supplied from a power grid or home power into DC power. If necessary, it is boosted to a predetermined output voltage and supplied to the electric vehicle 2.
  • IEC 61851-23 DC electric vehicle charging station
  • the charging station 1 converts the input power into DC when the input power is AC power through the step-up converter 1y, and converts the power into a predetermined voltage for charging the electric vehicle 2 to transmit power to the electric vehicle 2. do.
  • a voltage for charging a high voltage such as 400V or 500V is used.
  • the electric vehicle 2 exchanges control signals with the charging station 1 for charging.
  • various vehicle communication methods such as a controller area network (CAN), a multimedia oriented systems transport (MOST), and a local interconnect network (LIN) may be used.
  • CAN controller area network
  • MOST multimedia oriented systems transport
  • LIN local interconnect network
  • the electric vehicle 2 receives power from the charging station 1 through the charging terminal 2z and stores and uses the power in the internal battery 2y.
  • FIG. 2 shows in more detail the structure in which power and control signals are transmitted and received between the charging station 1 and the electric vehicle 2.
  • a of the charging station 1 represents an AC / DC transformer
  • "b” represents a fuse
  • "c” represents a data communication controller
  • “d” represents a connector lock control circuit.
  • "f” denotes a relay control circuit
  • "g” and "h” denote a recognition circuit.
  • the charging system of the present invention may use various standard techniques of the charging system between the charging station 1 and the electric vehicle 2 of FIGS. 1 and 2. However, the subject matter of the present invention will now be described in detail and in a variety of ways, not in the charging system between the charging station 1 and the electric vehicle 2, but in the inter-vehicle charging system.
  • Fig. 3 to 6 relate to a first aspect of the invention.
  • Fig. 3 conceptually illustrates the technical idea of the present invention.
  • the portable electric vehicle charging cable 100 is a charging cable for charging vehicle (Vehicle vs. Vehicle) and is portable size.
  • the charging cable 100 is composed of a pair of inlets 110 and the body 120.
  • One of the pair of inlets 110 is connected to a charging terminal of the electric vehicle 10 that supplies power.
  • the other inlet 110 is connected to a charging terminal of the electric vehicle 20 (meaning an emergency electric vehicle in which the battery is discharged) to be supplied with power.
  • the main body 120 is formed between the pair of inlets to control the vehicle charging.
  • a cable is connected between the inlet 110 and the main body 120.
  • the cable includes a power line and a communication line. Communication lines can send and receive signals in CAN communication.
  • the main body 120 includes a communication unit 121, a control unit 123, a reverse current prevention circuit 125, and a converter 127.
  • the communication unit 121 of the charging cable 100 communicates with the individual electric vehicles 10 and 20.
  • the communication unit 121 may communicate in a CAN communication method.
  • the control unit 123 of the charging cable 100 communicates with the battery control units BMS 11 and 21 installed in the individual electric vehicles 10 and 20 through the communication unit 121.
  • the controller 123 may collect various types of information regarding the state of charge (SOC) of the batteries 12 and 22.
  • the controller 123 may determine the electric vehicle 10 providing the power and the electric vehicle 20 requesting the charging to start charging.
  • the controller 123 switches the reverse current prevention circuit 125 according to the charging direction, and controls the converter 127 to adjust the boosted voltage for charging.
  • the reverse current prevention circuit 125 prevents the current from flowing backward as opposed to the charging direction.
  • the reverse current prevention circuit 125 may include a zener diode as a reverse current prevention diode.
  • the converter 127 boosts the voltage supplied. In order to charge the battery 22 of the electric vehicle, the voltage of the side to be charged must be higher than the voltage of the side to be charged.
  • the controller 123 may measure the battery voltage of the electric vehicle that supplies power and boost the voltage to 400V when the voltage is 400V or less.
  • the inlet of the present invention may have the same shape. Therefore, the user can use the inlet of the side to be charged and the side to be charged without distinguishing.
  • the controller receives a charge permission signal and a state of charge (SOC) from a battery controller BMS of the electric vehicle 10 that supplies power, and receives the electric vehicle 20 that is supplied with power.
  • a charge request signal and a state of charge (SOC) may be received from the battery controller BMS.
  • the reverse current prevention circuit 125 may further include a switching circuit capable of selecting a reverse current prevention diode according to the direction of the current.
  • the first switching element x is connected and the second switching element y is opened to operate the first backflow prevention diode 125a.
  • the second switching element 125b is operated by opening the first switching element x and connecting the second switching element y to each other.
  • the controller 123 of the charging cable 100 determines the direction of the current by combining the charge permission signal, the charge request signal, and the state of charge of the battery, and then controls the first switching element x and the second switching element y. .
  • Figure 6 schematically shows the process of the electric vehicle charging method between the chassis using the above charging system configuration.
  • a pair of inlets included in the portable electric vehicle charging cable are connected to charging terminals of two electric vehicles, respectively (S110).
  • the vehicle After connecting two electric cars, the vehicle runs the charging mode (S120).
  • the portable electric vehicle charging cable may first receive a charge permission signal from the battery control unit (BMS) of the electric vehicle that supplies power.
  • the charge permission signal is a signal that allows an electric vehicle to supply power from its battery.
  • the portable electric vehicle charging cable may receive a charge request signal from the battery control unit (BMS) of the electric vehicle is powered.
  • the charge request signal is a signal that the electric vehicle requests to charge.
  • a portable electric vehicle charging cable can measure the battery voltage of two electric vehicles.
  • the control unit of the charging cable main body compares the measured voltage and calculates the boosted amount.
  • the controller may boost the voltage to 400V when the voltage at the power supply side is less than 400V (S130).
  • the portable electric vehicle charging cable starts charging and monitors a state of charge (SOC) of a battery powered electric vehicle (S140).
  • SOC state of charge
  • S140 battery powered electric vehicle
  • the charging cable analyzes the monitoring result and outputs the battery's charge level, driving distance, and charging time.
  • FIG. 7 shows an example of a charging system 300 configured inside an electric vehicle of the present invention.
  • Charging system 300 of the electric vehicle according to the present invention for inter-vehicle charging is the control unit 310, the battery 320, the boosting unit 330, the switch 340, the charging terminal 350 and the diode 360 Can be configured.
  • the charging of other electric vehicles requires a high voltage of 400V to 500V. Also, when the battery voltage of the fully charged electric vehicle is lower than the battery voltage of the discharged electric vehicle, the charging operation may not be performed normally. Therefore, the booster 330 is used to increase the output voltage of the battery 320 to the required voltage.
  • the battery 320 of the charging system 300 should have both directions of charging and discharging, and for the sake of versatility, the charging terminal 350 is used for both charging and discharging.
  • Switch 340 switches this operation. That is, the switch 340 selectively connects the charging terminal 350 and the battery 320 under the control of the controller 310.
  • the switch 340 is controlled to directly connect the charging terminal 350 and the battery 320. At this time, external power is supplied to the battery 320 through the charging terminal 350 to perform charging.
  • the switch 340 is controlled to connect the charging terminal 350 and the boosting unit 330. At this time, the power of the battery 320 is boosted to the required voltage and supplied to the outside.
  • the charging terminal 350 is used to connect a charging cable (not shown), and is used to communicate with a power terminal for charging or discharging the battery 320 and a controller 310 and a charging system such as another electric vehicle or charging station. It includes a communication terminal.
  • the controller 310 determines a charging mode according to a user's operation or through communication with another charging system, and controls the switch 340 according to the charging mode.
  • the reverse current prevention diode 360 blocks the reverse current due to the switch 340 connection error of the charging system 300 as described above.
  • a malfunction occurs when a user selects a charging mode incorrectly, or a charging mode is selected differently from the connection of the charging system 300 due to a communication error. That is, when the switch 340 is connected to the booster in the charging mode or the switch 340 is connected to the battery in the discharge mode, the reverse current blocking dial 360 blocks the reverse current. Doing so can prevent charging or damage to the charging system 300.
  • the controller 310 When the charging system 300 of the first electric vehicle urgently supplies power to the charging system of the second electric vehicle 400, the controller 310 communicates with the charging system 400 of the electric vehicle that is powered. Determine the charging mode through. In this case, the controller 310 may transmit a control signal transmitted from a general electric vehicle charging station to a charging system 400 of another electric vehicle using a vehicle communication protocol such as CAN communication.
  • a vehicle communication protocol such as CAN communication.
  • the controller 310 of the first electric vehicle controls the switch 340.
  • the booster 330 and the charging terminal 350 are connected.
  • the switch is connected, the power passing through the boosting unit 330 from the battery 320 is supplied to the charging system 400 of the electric vehicle that needs to be charged through the charging terminal 350 and the cable.
  • the controller 310 determines the charging mode through communication with the charging station 500, and when the power supply mode is determined to be the power supply mode, the controller 310 controls the switch 340 to directly connect the charging terminal 350 and the battery 320. .
  • the battery 320 In the mode of receiving power, the battery 320 is charged in the same manner as a general electric vehicle charging method.
  • the charging system 300 of the electric vehicle according to the present invention is capable of bidirectional charging, it is inconvenient for a user to specify a charging or discharging mode.
  • the charging mode can be determined through communication with the charging station, but in the case of the inter-vehicle charging, it is impossible to determine which vehicle is the charging mode and which vehicle is the discharge mode. If the charging mode is set incorrectly, charging may fail or, in the worst case, damage the charging system.
  • the charging system 600 of the electric vehicle of FIG. 10 may further include a dedicated charging cable 660.
  • the charging cable 660 is divided into a discharge side terminal 662 and a charging side terminal 666, and the discharge side terminal 662 includes a recognition device 664 for determining a charging mode.
  • the charging side and the discharge side may be separately displayed on the charging cable 660 to recognize the user.
  • the recognition unit 652 included in the charging terminal 650 of the charging system 600 checks whether the recognition device 662 of the charging cable 660 is connected.
  • the recognition unit 652 of the charging cable 660 transmits whether the recognition device 662 is connected to the control unit 610 of the electric vehicle charging system 660, the control unit 610 is connected to the recognition device 662
  • the switch 640 is controlled according to whether or not.
  • the recognition unit 652 may directly control the switch 640 according to whether the recognition device 662 is connected.
  • the controller 610 may inform the user of the charging mode of the vehicle by using the display device of the vehicle, the user's smartphone, or a separate display device.
  • the charging side vehicle to which the charging side terminal 666, which does not include the recognition apparatus 662, is connected receives the recognition apparatus without the recognition apparatus, the charging side vehicle receives power from the other vehicle by controlling the internal switch of the charging system to the charging mode.
  • the charging or discharging mode is automatically set according to the connection direction of the cable, thereby preventing malfunction or damage caused by a user's mistake.
  • control method of the charging system may be implemented in the form of program instructions that may be executed by various computer means and may be recorded in a computer readable medium.
  • the computer readable medium may include program instructions, data files, data structures, etc. alone or in combination.
  • Program instructions recorded on the media may be those specially designed and constructed for the purposes of the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts.
  • Examples of computer readable media include magnetic media such as hard disks, floppy disks and magnetic tape, optical recording media such as CD-ROMs, DVDs, magnetic-optical media such as floppy disks, and ROM, RAM, Hardware devices specifically configured to store and execute program instructions, such as flash memory, may be included.
  • Examples of program instructions include machine code, such as produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter.
  • the hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention se rapporte à un système de charge de véhicule électrique. Un système de charge selon l'un quelconque des modes de réalisation préférés de la présente invention comprend : une batterie pour effectuer à la fois la charge et la décharge; une unité d'amplification pour amplifier la tension de sortie de la batterie à une tension prédéfinie; une borne de charge pour recevoir de l'énergie provenant de l'extérieur du système de charge ou fournir de l'énergie à l'extérieur; un commutateur pour connecter directement la batterie et la borne de charge ou connecter l'unité d'amplification et la borne de charge, selon un mode de charge ou de décharge du système de charge; et une unité de commande pour commander le commutateur en fonction du mode de charge ou de décharge du système de charge. De plus, lorsque le système de charge est dans le mode de charge, l'unité de commande commande le commutateur de sorte que la borne de charge et la batterie soient directement connectées. Dans ce cas, la batterie est chargée par l'énergie fournie depuis l'extérieur. Lorsque le système de charge est dans le mode de décharge, le commutateur est commandé de sorte qu'une sortie de la batterie soit connectée à la borne de charge par l'intermédiaire de l'unité d'amplification. Dans ce cas, l'énergie de la batterie est fournie à l'extérieur.
PCT/KR2017/013684 2016-11-29 2017-11-28 Système de charge de véhicule électrique capable de réaliser une charge entre véhicules Ceased WO2018101702A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2016-0159964 2016-11-29
KR1020160159964A KR102686889B1 (ko) 2016-11-29 2016-11-29 차대차 충전을 위한 휴대용 전기자동차 충전케이블 및 이를 이용한 충전방법
KR10-2017-0114321 2017-09-07
KR1020170114321A KR102538406B1 (ko) 2017-09-07 2017-09-07 차량간 충전이 가능한 전기 자동차용 충전 시스템

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Publication Number Publication Date
WO2018101702A1 true WO2018101702A1 (fr) 2018-06-07

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PCT/KR2017/013684 Ceased WO2018101702A1 (fr) 2016-11-29 2017-11-28 Système de charge de véhicule électrique capable de réaliser une charge entre véhicules

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111231699A (zh) * 2020-02-14 2020-06-05 威马智慧出行科技（上海）有限公司 一种车车互充装置及车辆
CN111532153A (zh) * 2020-04-16 2020-08-14 创驱（上海）新能源科技有限公司 可进行电动汽车之间双向快速充电能力的装置和方法
US11235675B2 (en) 2019-07-12 2022-02-01 Hyundai Motor Company V2V charging cable and control method thereof
DE102021104552A1 (de) 2021-02-25 2022-08-25 Christoph RULAND Energieübertragung zwischen zwei Elektrofahrzeugen
CN115520045A (zh) * 2022-09-22 2022-12-27 华为数字能源技术有限公司 一种供电模块、车辆互充的供电控制方法及车辆
US20230044838A1 (en) * 2021-08-03 2023-02-09 Hyundai Motor Company Mobile electric vehicle charging system
KR20240113325A (ko) * 2023-01-13 2024-07-22 에스케이시그넷 주식회사 V2v 충전 제어 장치 및 그 방법

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KR20160052134A (ko) * 2014-11-04 2016-05-12 현대자동차주식회사 배터리 충전 장치 및 이를 이용한 차량간 충전 방법

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JP2007252118A (ja) * 2006-03-16 2007-09-27 Chugoku Electric Power Co Inc:The 電力供給設備および電力供給方法
JP2010187465A (ja) * 2009-02-12 2010-08-26 Toyota Motor Corp 車両用充電ケーブル
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KR20160052134A (ko) * 2014-11-04 2016-05-12 현대자동차주식회사 배터리 충전 장치 및 이를 이용한 차량간 충전 방법

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11235675B2 (en) 2019-07-12 2022-02-01 Hyundai Motor Company V2V charging cable and control method thereof
CN111231699A (zh) * 2020-02-14 2020-06-05 威马智慧出行科技（上海）有限公司 一种车车互充装置及车辆
CN111231699B (zh) * 2020-02-14 2022-01-14 威马智慧出行科技（上海）有限公司 一种车车互充装置及车辆
CN111532153A (zh) * 2020-04-16 2020-08-14 创驱（上海）新能源科技有限公司 可进行电动汽车之间双向快速充电能力的装置和方法
DE102021104552A1 (de) 2021-02-25 2022-08-25 Christoph RULAND Energieübertragung zwischen zwei Elektrofahrzeugen
DE102021104552B4 (de) * 2021-02-25 2025-10-16 Christoph RULAND Verfahren zur Energieübertragung zwischen zwei Elektrofahrzeugen mit einer externen Kontrolleinheit, eine solche Kontrolleinheit und ein System mit einer Kontrolleinheit und einem Ladekabel
US20230044838A1 (en) * 2021-08-03 2023-02-09 Hyundai Motor Company Mobile electric vehicle charging system
CN115520045A (zh) * 2022-09-22 2022-12-27 华为数字能源技术有限公司 一种供电模块、车辆互充的供电控制方法及车辆
KR20240113325A (ko) * 2023-01-13 2024-07-22 에스케이시그넷 주식회사 V2v 충전 제어 장치 및 그 방법
KR102720488B1 (ko) * 2023-01-13 2024-10-22 에스케이시그넷 주식회사 V2v 충전 제어 장치 및 그 방법

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