KR100313792B1 - A plug for charging a battery of an electric vericle and a converter thereof - Google Patents

A plug for charging a battery of an electric vericle and a converter thereof Download PDF

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Publication number
KR100313792B1
KR100313792B1 KR1019970069870A KR19970069870A KR100313792B1 KR 100313792 B1 KR100313792 B1 KR 100313792B1 KR 1019970069870 A KR1019970069870 A KR 1019970069870A KR 19970069870 A KR19970069870 A KR 19970069870A KR 100313792 B1 KR100313792 B1 KR 100313792B1
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South Korea
Prior art keywords
battery
plug
charging
ground
power
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KR1019970069870A
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Korean (ko)
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KR19990050736A (en
Inventor
박선순
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이계안
현대자동차주식회사
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Priority to KR1019970069870A priority Critical patent/KR100313792B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

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  • Engineering & Computer Science (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

PURPOSE: A plug and a converter used for charging a battery of an electric car are provided to use one plug for various kinds of electric outlets. CONSTITUTION: A plug(10) used for charging a battery(2) of an electric car includes a plug housing, and a plurality of ground bars. The plug housing forms a specific space into which the flange of an electric outlet(12) is inserted. The ground bars are movably set inside the plug housing in the direction of the length of the bars and provide power. An elastic member is interposed between each of the ground bars and the plug housing. A converter used for charging a battery of an electric car is composed of the plug and a control unit(14). The control unit is connected between the bottom of the ground bars of the plug and a battery to transmit the power provided through the ground bars to the battery. The control unit checks voltage applied across the ground bars and changes input voltage to meet the charging power of the battery to supply the changed input voltage to the battery.

Description

전기 자동차의 배터리 충전용 플러그 및 컨버터{A PLUG FOR CHARGING A BATTERY OF AN ELECTRIC VERICLE AND A CONVERTER THEREOF}Plug and converter for electric vehicle battery charging {A PLUG FOR CHARGING A BATTERY OF AN ELECTRIC VERICLE AND A CONVERTER THEREOF}

본 발명은 전기 자동차의 배터리 충전 및 방전장치에 관한 것으로서, 보다 상세하게는 배터리와 발전기를 전기적으로 접속시키는 배터리 충전용 플러그 및 컨버터에 관한 것이다.The present invention relates to a battery charging and discharging device for an electric vehicle, and more particularly, to a battery charging plug and a converter electrically connecting a battery and a generator.

일반적으로 전기 자동차는 배기가스의 대책의 일환으로 개발된 자동차로 소음이 적고, 배기가스가 전혀 없는 장점이 있다.In general, electric vehicles are developed as part of measures to reduce the exhaust gas, and have the advantages of low noise and no exhaust gas.

이러한 전기 자동차는 전기에너지로 전동기를 구동시키고, 동력전달장치를 통해 바퀴를 회전시켜 주행하는 무공해 자동차로서, 구동력에 필요한 동력원으로 배터리가 사용된다.Such an electric vehicle is a pollution-free vehicle that drives an electric motor with electric energy and runs by rotating a wheel through a power transmission device, and a battery is used as a power source required for driving power.

상기한 배터리는 차량의 저면에 다수개로 장착되며, 각각의 배터리가 직렬, 또는 병렬로 연결되어 전동기에 필요한 적정 전압을 만든다.A plurality of the above batteries are mounted on the bottom of the vehicle, and each battery is connected in series or in parallel to make an appropriate voltage required for the motor.

이러한 배터리는 발전기의 전원에 의해 충전이 이루어지며, 발전기와 배터리 사이를 전기적으로 접속시키거나 단속하는 커넥터가 설치된다.The battery is charged by a power source of the generator, and a connector is installed to electrically connect or interrupt the generator and the battery.

상기한 커넥터는 도 4에 도시된 바와 같이 단상일 경우 발전기와 연결되고, 두 개의 접지홈(108)이 형성되어 있는 콘센트(104)와, 배터리와 연결되고, 두 개의 접지봉(106)이 돌출되어 있는 플러그(102)로 이루어지며, 접지봉(106)을 접지홈(108)에 끼움 결합시켜 발전기의 전원을 배터리 측으로 인가시킨다.The connector is connected to the generator in the case of a single phase as shown in Figure 4, the outlet 104 is formed with two ground grooves 108, the battery is connected, two ground rods 106 protrude Is made of a plug 102, the ground rod 106 is fitted into the ground groove 108 to apply the power of the generator to the battery side.

도 5는 종래 기술의 다른 실시예로서, 3상일 경우 콘센트(116)에 3개의 접지홈(114)이 형성되고, 플러그(110)에 3개의 접지봉(112)이 돌출되어 접지홈(114)을 접지봉(112)에 끼움 결합시켜 전원을 인가한다.5 is another embodiment of the prior art, in the case of a three-phase three ground groove 114 is formed in the outlet 116, three ground rods 112 protruding from the plug 110 to the ground groove 114 Fit the ground rod 112 and apply power.

상기한 바와 같은 커넥터는 콘센트가 단상일 경우 단상 플러그를 사용해야 되고, 콘센트가 3상일 경우 3상 플러그를 사용해야되는 등의 콘센트의 변화에 따라 그에 맞는 플러그만이 사용 가능하므로 콘센트의 모양이 틀려질 때마다 플러그를 그에 맞게 다시 설치해야 되는 문제점이 있다.As described above, when the outlet is single-phase, a single-phase plug must be used, and when the outlet is three-phase, only a suitable plug can be used according to the change of the outlet. There is a problem that the plug must be reinstalled accordingly.

따라서 본 발명은 상기한 문제점을 해결하기 위하여 창출된 것으로서, 본 발명의 목적은 사용환경(공급 전원이 단상, 3상)의 변화에 따른 콘센트의 변화에 하나의 플러그로 대처할 수 있는 전기 자동차의 배터리 충전용 플러그 및 컨버터를 제공하는데 있다.Therefore, the present invention was created in order to solve the above problems, and an object of the present invention is a battery of an electric vehicle that can cope with a change in an outlet according to a change in the use environment (supply power is single-phase, three-phase). To provide a charging plug and a converter.

도 1은 본 발명에 따른 배터리 충방전 장치의 구성도이고,1 is a configuration diagram of a battery charge and discharge device according to the present invention,

도 2는 도 1 A-A선의 단면도이고,2 is a cross-sectional view taken along the line A-A of FIG. 1,

도 3은 배터리 충전용 커넥터가 결합된 상태의 단면도이고,3 is a cross-sectional view of the battery charging connector is coupled,

도 4 및 도 5는 종래 기술에 따른 배터리 충전용 커넥터의 평면도이다.4 and 5 are a plan view of a connector for charging a battery according to the prior art.

상기의 목적을 달성하기 위하여 본 발명은The present invention to achieve the above object

콘센트의 외주연이 삽입될 수 있도록 일정 공간을 형성하는 플러그 하우징; 및A plug housing forming a predetermined space so that the outer periphery of the outlet can be inserted; And

상기 플러그 하우징의 내주연에 길이방향으로 이동 가능하게 설치되고, 전원을 인가시키는 다수개의 접지봉을 포함하여 구성되어,It is installed to be movable in the longitudinal direction on the inner circumference of the plug housing, and comprises a plurality of ground rods for applying power,

상기 접지봉은 봉형상으로 각각의 접지봉 마다 플러그 하우징과의 사이에 탄성부재가 개재되고, 상기 플러그 하우징의 내주연 축방향으로 직선 왕복 이동 가능하게 설치되는 것을 특징으로 하는 전기 자동차의 배터리 충전용 플러그를 제공하고,The ground rod is a rod-shaped resilient member is interposed between the plug housing and each ground rod, the plug for charging the battery of the electric vehicle, characterized in that the linear reciprocating movement is installed in the inner peripheral axial direction of the plug housing Offering,

콘센트를 통해 공급되는 전원을 전기자동차의 동력원인 배터리에 전달하는 전기자동차의 배터리 충전용 컨버터에 있어서,In the converter for charging the battery of the electric vehicle for transmitting the power supplied through the outlet to the battery which is the power source of the electric vehicle,

상기 전기자동차의 배터리 충전용 플러그 ; 및Plug for charging the battery of the electric vehicle; And

상기 플러그의 접지봉의 하측과 상기 배터리 사이에 연결되어 상기 접지봉을 통해 공급되는 전원을 상기 배터리에 전달하는 컨트롤 유닛을 포함하되,A control unit connected between the lower side of the ground rod of the plug and the battery to transfer power supplied through the ground rod to the battery,

상기 컨트롤 유닛은 플러그에 접지된 접지봉에 흐르는 전압을 체크하여 접지봉들의 집단이 2개이면 단상으로 간주하고, 접지봉의 집단이 3개이면 3상으로 간주하여 상기 배터리의 충전 전원에 맞게 공급 전원을 변경하여 배터리에 공급하는 것을 특징으로 하는 전기 자동차의 배터리 충전용 컨버터를 제공한다.The control unit checks the voltage flowing through the grounding rod grounded to the plug and regards the group of two grounding rods as a single phase, and the three groups of grounding rods as a three phase and changes the supply power according to the charging power of the battery. To provide a battery charging converter for an electric vehicle characterized in that the supply to the battery.

이하, 첨부 도면을 참조하여 본 발명의 바람직한 일실시예를 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 배터리 충전 및 방전 장치의 구성도로 서, 배터리(2)와, 이 배터리(2)에서 인가되는 전원에 의해 바퀴를 구동시키는 전동기(4)와, 배터리(2)를 충전시키는 발전기(6)와 배터리(2)사이에 설치되어 전기적으로 접속시키는 커넥터(14)를 포함한다.1 is a configuration diagram of a battery charging and discharging device, which includes a battery 2, an electric motor 4 for driving wheels by a power source applied from the battery 2, and a generator 6 for charging the battery 2. ) And a connector 14 installed between the battery 2 and electrically connected to the battery 2.

배터리(2)와 전동기(4)사이에는 인버터(8)가 설치되어 교류를 직류로 변환시켜 전동기(4)에 전달한다.An inverter 8 is installed between the battery 2 and the motor 4 to convert alternating current into direct current and transmit it to the motor 4.

커넥터(14)는 배터리(2)와 연결되는 플러그(10)와, 발전기(6)와 연결되는 콘센트(12)로 이루어진다.The connector 14 is composed of a plug 10 connected to the battery 2 and an outlet 12 connected to the generator 6.

상기 콘센트(12)는 단상일 경우 두 개의 접지홈(22)이 형성하고, 3상일 경우 3개의 접지홈(22)이 형성되는 등의 사용 환경 따라서 그 모양이 다양하게 변화된다.The outlet 12 has a variety of shapes according to the use environment, such as two ground grooves 22 are formed in the single phase, three ground grooves 22 are formed in the three phase.

상기한 플러그(10)는 도 2에 도시된 바와 같이 상기 콘센트(12)의 외주연이 삽입될 수 있도록 일정 공간을 형성하는 플러그 하우징(16)과, 이 플러그 하우징(16)의 내주연에 다수개의 접지봉(18)이 길이방향으로 이동 가능하게 설치되고, 이러한 플러그(10)의 타측은 컨트롤 유닛(14)과 연결된다.As shown in FIG. 2, the plug 10 includes a plug housing 16 that forms a predetermined space so that the outer periphery of the outlet 12 can be inserted therein, and a plurality of plug housings are formed on the inner periphery of the plug housing 16. Two ground rods 18 are installed to be movable in the longitudinal direction, and the other side of the plug 10 is connected to the control unit 14.

상기한 접지봉(18)의 형상 및 콘센트(12)와의 결합 내용을 도 3을 참조하여 보다 상세히 설명하면, 접지봉(18)은 봉형상으로 이루어지며, 각각의 접지봉(18)에는 플러그 하우징(16)의 일측면으로부터 탄성부재(20)에 의하여 탄지될 수 있도록 그 외주면에 플랜지(19)가 형성되며, 이 탄성부재(20)의 탄지 작용에 따라 작용에따라 상기 접지봉(18)은 상기 플러그 하우징(16)의 내부에서 축방향으로 직선 왕복 이동 가능하게 이루어져, 접지봉 중 일부는 그 일측이 콘센트의 접지홈(22)내로 삽입되어 지게 된다. 한편, 콘센트의 외면과 접촉하고 있지 않는 타측은 상기 컨트롤 유닛(14)에 장착되는 전원이 인가되는 회로와 연결된다.Referring to the shape of the grounding rod 18 and the coupling with the outlet 12 in more detail with reference to Figure 3, the grounding rod 18 is made of a rod-shaped, each grounding rod 18 to the plug housing 16 A flange 19 is formed on an outer circumferential surface thereof so as to be supported by the elastic member 20 from one side of the ground rod, and the ground rod 18 may be connected to the plug housing according to the action of the hardening of the elastic member 20. 16 is made of a linear reciprocating movement in the axial direction, some of the ground rod is one side is to be inserted into the ground groove 22 of the outlet. On the other hand, the other side that is not in contact with the outer surface of the outlet is connected to the circuit to which the power supplied to the control unit 14 is applied.

이와 같은 플러그(10)에 상기 콘센트(12)가 끼움 결합되면 콘센트(12)에 형성된 접지홈(22)과 접하는 접지봉(18)들은 상기 접지홈(22)에 삽입되면서 전원이 연결되고,그 나머지의 접지봉(18)들은 콘센트의 접지홈(22)에 이외의 측면에 접촉하면서 탄성부재(20)의 탄성을 극복하고 플러그 하우징(16)의 내측으로 들어가면서 단락된다.When the outlet 12 is fitted to the plug 10, the ground rods 18 contacting the ground grooves 22 formed in the outlet 12 are connected to the power while being inserted into the ground grooves 22. The ground rods 18 are short-circuited while overcoming the elasticity of the elastic member 20 while coming into contact with the side surface of the outlet groove 22 of the outlet and entering the inside of the plug housing 16.

상기 컨트롤 유닛(14)은 플러그(10)에서 접지가 된 접지봉(18)에 흐르는 전압을 체크하여 접지봉(18)들의 집단이 2개이면 단상으로 간주하고, 접지봉(18)의 집단이 3개이면 3상으로 간주하여 상기 배터리의 충전 전원에 맞게 변경하여 배터리에 공급한다.The control unit 14 checks the voltage flowing to the grounding rod 18 grounded by the plug 10 and regards the group of the grounding rods 18 as a single phase, and if the group of the grounding rods 18 is three It is regarded as three-phase and changed to match the charging power of the battery and supplied to the battery.

즉 플러그(10)측에서 공급되는 전원이 단상, 3상 등에 상관없이 배터리(2)에 맞게 입력 전원을 변경시켜 배터리(2)에 충전 전압을 공급한다.That is, regardless of whether the power supplied from the plug 10 side is single-phase, three-phase or the like, the input power is changed to match the battery 2 to supply the charging voltage to the battery 2.

이와 같이 이루어진 배터리 충전용 컨버터는 발전기(6)측의 전원이 단상일 경우 콘센트(12)를 플러그(10)에 장착하면 두 개의 접지홈(22)에 접지봉(18)들이 삽입되어 두 개의 접지봉 집단을 형성한다. 그러면 컨트롤 유닛(14)에서 두 개의 신호를 인가받아 단상으로 간주하고, 충전 전원에 맞게 변경하여 배터리(2)에 전달한다.In the battery charging converter configured as described above, when the power source on the generator 6 side is a single phase, when the outlet 12 is mounted on the plug 10, the ground rods 18 are inserted into the two ground grooves 22 so that the two ground rods are collected. To form. Then, the control unit 14 receives two signals and regards them as a single phase, changes them according to the charging power, and transfers them to the battery 2.

또 발전기(6)측의 전원이 삼상일 경우 콘센트(12)의 3개의 접지홈(22)에 접지봉(18)들이 삽입되어 3개의 접지봉 집단을 형성하고, 그 3개의 신호를 받은 컨트롤 유닛(14)에서 충전전원에 맞게 변경하여 배터리(2)에 전달한다.In addition, when the power source on the generator 6 side is three-phase, the ground rods 18 are inserted into the three ground grooves 22 of the outlet 12 to form three ground rod assemblies, and the control unit 14 receiving the three signals is provided. ) And transfer it to the battery (2).

이와 같이 컨트롤 유닛(14)에 의해서 플러그(10)측에서 인가되는 전원의 종류에 상관없이 배터리(2)에 맞게 변형시켜 충전시킨다.In this way, the control unit 14 deforms and charges the battery 2 regardless of the type of power applied from the plug 10 side.

상기한 바와 같이 이루어진 배터리 충전용 컨버터는 발전기의 공급전원이 단상, 교류, 3상 등의 사용환경에 따라 콘센트의 형상 변화에 상관없이 하나의 플러그로 대처 가능하므로 콘센트의 형상 변경에 따라 여러개의 플러그를 사용해야되는 불편함을 해소할 수 있다.The battery charging converter made as described above can cope with a single plug regardless of the shape of the outlet according to the usage environment of the generator, such as single phase, alternating current, or three phase. You can eliminate the inconvenience of using.

또한 컨트롤 유닛에서 공급전원의 변화에 상관없이 배터리에 맞게 변형시켜 충전 전원을 공급할 수 있으므로 사용전원의 범위가 넓어진다.In addition, since the control unit can supply the charging power by modifying the battery regardless of the change of the power supply, the range of power supply is widened.

Claims (2)

콘센트의 외주연이 삽입될 수 있도록 일정공간을 형성하는 플러그 하우징;및Plug housing forming a predetermined space so that the outer periphery of the outlet can be inserted; And 상기 플러그 하우징의 내주연에 길이방향으로 이동 가능하게 설치되고, 전원을 인가시키는 다수개의 접지봉을 포함하여 구성되어,It is installed to be movable in the longitudinal direction on the inner circumference of the plug housing, and comprises a plurality of ground rods for applying power, 상기 접지봉은 봉형상으로 각각의 접지봉 마다 플러그 하우징과의 사이에 탄성부재가 개재되고, 상기 플러그 하우징의 내주연 축방향으로 직선 왕복 이동 가능하게 설치되는 것을 특징으로 하는 전기 자동차의 배터리 충전용 플러그.The ground rod is a rod-shaped resilient member is interposed between the plug housing and each of the ground rod, the plug for battery charging of the electric vehicle, characterized in that the linear reciprocating movement is installed in the inner peripheral axial direction of the plug housing. 콘센트를 통해 공급되는 전원을 전기자동차의 동력원인 배터리에 전달하는 전기자동차의 배터리 충전용 컨버터에 있어서,In the converter for charging the battery of the electric vehicle for transmitting the power supplied through the outlet to the battery which is the power source of the electric vehicle, 제 1항 기재의 플러그 ; 및The plug according to claim 1; And 상기 플러그의 접지봉의 하측과 상기 배터리 사이에 연결되어 상기 접지봉을 통해 공급되는 전원을 상기 배터리에 전달하는 컨트롤 유닛을 포함하되,A control unit connected between the lower side of the ground rod of the plug and the battery to transfer power supplied through the ground rod to the battery, 상기 컨트롤 유닛은 플러그에 접지된 접지봉에 흐르는 전압을 체크하여 접지봉들의 집단이 2개이면 단상으로 간주하고,접지봉의 집단이 3개이면 3상으로 간주하여 상기 배터리의 충전 전원에 맞게 공급 전원을 변경하여 배터리에 공급하는 것을 특징으로 하는 전기 배터리 충전용 컨버터.The control unit checks the voltage flowing through the grounding rod grounded to the plug and considers the group of two grounding rods to be considered as single phase, and if the group of three grounding rods is to be considered as three phase and changes the supply power to match the charging power of the battery. Converter for charging an electric battery, characterized in that to supply to the battery.
KR1019970069870A 1997-12-17 1997-12-17 A plug for charging a battery of an electric vericle and a converter thereof KR100313792B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9649949B2 (en) 2014-02-11 2017-05-16 Hyundai Motor Company Connector converter and vehicle charging system and method using the same

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KR100811914B1 (en) * 2006-11-02 2008-03-10 현대자동차주식회사 A three phase terminal for a vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9649949B2 (en) 2014-02-11 2017-05-16 Hyundai Motor Company Connector converter and vehicle charging system and method using the same

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