Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Jung Hong Joo

Ki Young Jang

Jin Hwan Jung

Jeong Yun Lee

Hong Seok Song

In Pil Yoo

Woo Young Lee

Sang Cheol Shin

Gyu Yeong Choe

Hyong Joon Park

Sihun Yang

Woo Yong Jeon

Wooyong Jeon

Dong Sup Ahn

Jaehoon Yoon

Minji Kim

Jae Won Lee

Sung Kyu Kim

Dongmin Shin

Ki Jong Lee

Youngjin Kim

Won Kyoung Choi

Shin Hye Chun

Hyung Bin Ihm

Tae Hwan Chung

Byeong Seob Song

Jongpil Kim

Joon Hwan Kim

Jae Hoon Yoon

JinYoung Yang

JongPil Kim

Sangcheol Shin

Hyun-Wook Seong

Kang Hoon Ko

Ki Youn Jang

SeungHyun Han

Youngkook Lee

Sungjun Yoon

DongGyun Woo

Jihan Lee

Byunggu Kang

A charging device may include a Power Factor Correction (PFC) circuit including first to third inductors connected to each of first to third input terminals, and first to third switch legs connected to each of the first to third inductors; and a relay network including a plurality of relays. When the first input terminal, the second input terminal and the third input terminal are connected to each phase of three-phase powers, the relay network connects each phase of the three-phase powers to the corresponding one among the first switch leg, the second switch leg, and the third switch leg, and the PFC circuit is operated as a three-phase boost PFC, when a single-phase power is connected to one among the first input terminal, the second input terminal and the third input terminal, the relay network connects the single-phase power to the first and second switch leg, connects the third switch leg to the neutral point, and the PFC circuit is operated as an interleaved single-phase full-bridge PFC of single inductor type.

Charging device

A charging apparatus for an electric vehicle is provided. The apparatus includes an AC power input terminal receiving one AC input power from among single-phase AC power and multi-phase AC power. A power factor corrector having full bridge circuits receives the AC input power through the AC power input terminal. A link capacitor is charged through the power factor corrector. A first switch connects any one of an AC power input line and a neutral line of the AC power input terminal to the power factor corrector and a second switch selectively connects the AC power input terminal to the power factor corrector, or the link capacitor. The power factor corrector and the switch network operate based on a condition of received AC input power. The second switch includes a third switch and a fourth switch that connect each full bridge circuit to a positive battery electrode.

Charging apparatus for electric vehicle

An electric vehicle includes: a battery configured to be charged with a first voltage; and a converter configured to boost, when power of a second voltage that is lower than the first voltage is received, the power of the second voltage to the first voltage, and to transfer the first voltage to the battery, so that the battery is charged with power of the first voltage, wherein when the power of the first voltage is received, the power of the first voltage is transferred to the battery to charge the battery.

Electric vehicle

A power conversion module for a vehicle is provided. The module includes a housing and a power conversion unit installed on an inside surface of a bottom panel of the housing. The power conversion unit includes a capacitor module, a power module of an inverter and a LDC. A water-cooling-type cooling unit is installed on an outside surface of the bottom panel of the housing and is in a corresponding position to the power module of the inverter and the LDC, with the bottom panel of the housing interposed therebetween. An air-cooling-type cooling fin is installed on the exterior surface of the bottom panel and is in a corresponding position to a capacitor module, with the bottom panel of the housing interposed therebetween. A radiator blower adjacent to a radiator of a vehicle is configured to generate cooling-air wind to cool the radiator and the air-cooling-type cooling fin.

Power conversion module for vehicle

An integrated electronic power control unit of an environmentally friendly vehicle includes an inverter and an LDC (low voltage DC-DC converter), which share a DC input terminal. In the integrated electronic power control unit, the inverter is an electronic power control unit that drives a motor by converting DC voltage into AC voltage, and the low voltage DC-DC converter serves as another electronic power control unit that charges a low-voltage battery by converting DC high voltage into low voltage DC voltage, where the inverter includes a capacitor module composed of a capacitor leveling input voltage and a capacitor removing noise of the input voltage, and the inverter and the low voltage DC-DC converter are integrated such that the output of the capacitor module of the inverter becomes the output of the low voltage DC-DC converter.

Integrated electronic power control unit of vehicle

A power module for an inverter that is used in an eco-friendly vehicle, such as a hybrid vehicle, an electrical vehicle, or a fuel cell vehicle, i.e., a heat sink-integrated double-sided cooled power module in which cooling efficiency is maximized by adopting a double-sided direct cooling method that uses a heat sink manufactured by an extrusion method. In particular, the heat sink is disposed in upper and lower portions of the power module, and direct bonding materials (DBMs) are deposited between the upper and lower heat sinks where a chip is interposed between the DBMs. Faces between the heat sinks, the chip, and the DBMs are bonded to one another by a solder, and an entire circumference of the chip and the DBMs is finished by a mold portion.

Heat sink-integrated double-sided cooled power module

A system for recharging a hybrid vehicle is provided with two motors and supplies commercial electricity to neutral points of the motors when a connection of a recharging stand is detected, forms an electricity loop through the neutral points of the first motor and the second motor according to a phase of the commercial electricity, and carries out a recharging mode by detecting at least a voltage of a DC link capacitor in a voltage converter, a voltage of a smoothing capacitor, and a battery voltage. According to the system, a current control value or a voltage control value is selected according to the recharging mode in order to recharge a battery based on the current control value or the voltage control value.

System of recharging battery of hybrid vehicle using diodes connected between inverter and neutral points of two motors, and commercial electricity applied to the neutral points

An inverter for a vehicle is disclosed. The inverter for the vehicle illustratively includes: a power module provided with a power semiconductor device; a cooling module coupled to the power module and flowing a coolant therethrough; and a capacitor module mounted at the cooling module through a mounting unit and adapted to absorb a ripple current of the power module.

Inverter for vehicle

The present invention provides a motor drive system for a hybrid vehicle and a method for controlling the same in the event of a failure in a voltage converter, in which high voltage stored in a DC-link capacitor is discharged to a 12V electrical load through a DC-DC converter, of which the output voltage is increased.

Motor drive system for hybrid vehicle and method for controlling the same in the event of failure

A system for recharging a plug-in hybrid vehicle and a control method are provided to recharge a battery with exterior AC electricity plugged in. The system includes a motor operated as an electric motor or a generator, a battery in which DC voltage is stored, an inverter disposed between the motor and the battery, a plugged in exterior AC electric power source supplying electrical energy, a single phase inductor disposed between the inverter and the AC electric power source, a switch which electrically connects or disconnects the motor, a current sensor that detects current value supplying to the motor, and a controller which controls the switch to disconnect electric connection between the inductor and the motor and controls the inverter not to supply current to the phase which is not connected to the inductor when the AC electric power source is plugged in.

System for recharging plug-in hybrid vehicle and control method for the same

The present invention provides an inverter circuit for a vehicle, which includes: a switching unit that includes a plurality of switching elements and switches a direct current into an alternating current; and a variable clamping unit that clamps an overshoot in case the overshoot is generated, and stops the operation of the switching unit in case a system voltage is greater than a clamping breakdown voltage. The circuit enables a voltage (DC input voltage) greater than a breakdown voltage of clamping unit to be used as a system voltage.

Inverter circuit for vehicles

The present invention is directed to methods for forming an inverter circuit for operating a drive motor of an electric vehicle, which can more effectively reduce the switching noise generated by a power module during the operation of an inverter.

Method for forming a capacitor module circuit in an inverter using impedance matching

Growing community of inventors

Gyeonggi-do, South Korea

Jung Hong Joo