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    Vehicle and DC-DC converter for a vehicle
    1.
    发明授权
    Vehicle and DC-DC converter for a vehicle 有权

    公开(公告)号：US10525831B2

    公开(公告)日：2020-01-07

    申请号：US15638785

    申请日：2017-06-30

    申请人： HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  Korea University Research and Business Foundation

    发明人： JinYoung Yang ,  Taejong Ha ,  Youngjin Kim ,  Yong Sin Kim ,  Sang-hun Lee

    IPC分类号： B60L15/20 ,  B60L11/18 ,  B60R16/04 ,  H02M3/335

    摘要： A vehicle includes a first battery configured to output power at a first voltage, a second battery configured to output power at a second voltage, and a direct current (DC)-DC converter configured to convert the first voltage of the first battery to the second voltage and supply power at the second voltage to the second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.

    Charging apparatus for electric vehicle
    6.
    发明授权
    Charging apparatus for electric vehicle 有权

    公开(公告)号：US10793015B2

    公开(公告)日：2020-10-06

    申请号：US16105369

    申请日：2018-08-20

    申请人： Hyundai Motor Company ,  Kia Motors Corporation

    发明人： Sihun Yang ,  Jongpil Kim ,  Youngjin Kim ,  JinYoung Yang ,  Jin Myeong Yang ,  Woo Young Lee

    IPC分类号： H02M1/42 ,  B60L53/20 ,  H02P27/06 ,  H02M7/5387 ,  H02M1/44

    摘要： A charging apparatus for an electric vehicle is provided. The apparatus charges a vehicle battery upon receiving power from different power sources. The apparatus includes a motor generating power to drive the electric vehicle and an inverter supplying power to the motor. An AC power input terminal receives at least one of single-phase AC power and multi-phase AC power. A power factor corrector having a single three-leg half bridge circuit receives the AC input power through the AC power input terminal. A link capacitor is charged through a combination of the power factor corrector, the motor, and the inverter. A switch network has at least one switch for selectively connecting the AC power input terminal to the power factor corrector, the link capacitor, the motor, or the inverter. A controller operates the power factor corrector, the switch network, and the inverter based on a condition of received AC input power.

    CHARGING APPARATUS FOR ELECTRIC VEHICLE
    7.
    发明申请
    CHARGING APPARATUS FOR ELECTRIC VEHICLE 审中-公开

    公开(公告)号：US20190299793A1

    公开(公告)日：2019-10-03

    申请号：US16168530

    申请日：2018-10-23

    申请人： Hyundai Motor Company ,  Kia Motors Corporation

    发明人： Jongpil Kim ,  Inyong Yeo ,  Youngjin Kim ,  Woo Young Lee

    IPC分类号： B60L11/18 ,  H02M1/42 ,  H02J7/02 ,  H02M7/219

    摘要： A charging apparatus is provided. The apparatus includes an AC power input stage receiving at least one AC input power from among single-phase AC power and multi-phase AC power. A power factor corrector has a single three-leg half bridge circuit receiving the AC input power through the AC power input stage. A link capacitor is charged through the power factor corrector. A converter connects between the link capacitor and a battery. A first switch connects any one of an AC power input line and a neutral line of the AC power input stage to the power factor corrector. A second switch selectively connects the AC power input stage to the power factor corrector, or the link capacitor. A controller operates the power factor corrector and the switch network based on the received condition of the AC input power.

    VEHICLE AND DC-DC CONVERTER FOR A VEHICLE
    8.
    发明申请
    VEHICLE AND DC-DC CONVERTER FOR A VEHICLE 审中-公开

    公开(公告)号：US20180147945A1

    公开(公告)日：2018-05-31

    申请号：US15638785

    申请日：2017-06-30

    申请人： HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  Korea University Research and Business Foundation

    发明人： JinYoung Yang ,  Taejong Ha ,  Youngjin Kim ,  Yong Sin Kim ,  Sang-hun Lee

    IPC分类号： B60L11/18 ,  H02M3/335 ,  B60L15/20 ,  B60R16/04

    摘要： A vehicle includes a first battery configured to output power at a first voltage, a second battery configured to output power at a second voltage, and a direct current (DC)-DC converter configured to convert the first voltage of the first battery to the second voltage and supply power at the second voltage to the second battery. The DC-DC converter includes a transformer, at least one switch, at least one rectifying diode, and a snubber circuit. The transformer is configured to transform the first voltage to the second voltage. The at least one switch is configured to control a first current input to the transformer from the first battery. The at least one rectifying diode is configured to rectify an alternate current (AC) output from the transformer. The snubber circuit is configured to prevent overvoltage from being applied to the at least one rectifying diode.

    Charging apparatus for electric vehicle
    9.
    发明授权
    Charging apparatus for electric vehicle 有权

    公开(公告)号：US10654373B2

    公开(公告)日：2020-05-19

    申请号：US16168530

    申请日：2018-10-23

    申请人： Hyundai Motor Company ,  Kia Motors Corporation

    发明人： Jongpil Kim ,  Inyong Yeo ,  Youngjin Kim ,  Woo Young Lee

    IPC分类号： H02M1/42 ,  H02J7/02 ,  H02M7/219 ,  B60L53/22 ,  H02M1/44

    摘要： Disclosed herein is a charging apparatus. The charging apparatus includes an alternating current (AC) power input stage receiving at least one AC input power from among a single-phase AC power and a multi-phase AC power. A power factor corrector has a single three-leg half bridge circuit receiving the at least one AC input power through the AC power input stage. A link capacitor is charged through the power factor corrector. A converter connects between the link capacitor and a battery. A first switch connects any one of an AC power input line and a neutral line of the AC power input stage to the power factor corrector. A second switch selectively connects the AC power input stage to the power factor corrector, or the link capacitor. A controller operates the power factor corrector and the switch network based on a received condition of the at least one AC input power.