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公开(公告)号：US20220416560A1
公开(公告)日：2022-12-29
申请号：US17828448
申请日：2022-05-31
发明人： Kang Ho JEONG , Myung Ho KIM , Sang Cheol SHIN , Young Seul LIM
摘要： A system for charging a vehicle battery using a motor driving system is proposed. The battery charging system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control a connection state between a DC terminal of the first inverter and a DC terminal of the second inverter, and opened/shorted states of the plurality of first switching elements, the plurality of second switching elements, and the plurality of transfer switches.
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公开(公告)号：US20230283214A1
公开(公告)日：2023-09-07
申请号：US17985405
申请日：2022-11-11
发明人： Kang Ho JEONG , Myung Ho KIM , Sang Cheol SHIN , Young Seul LIM
IPC分类号： H02P25/18
CPC分类号： H02P25/188
摘要： A motor driving apparatus which drives a motor including a plurality of winding portions corresponding to a plurality of phases, respectively, includes a motor including a plurality of winding portions corresponding to a plurality of phases, respectively, a first inverter including a plurality of first switching elements and electrically connected to a first end of each of the winding portions, a second inverter including a plurality of second switching elements and electrically connected to a second end of each of the winding portions, a plurality of third switching elements including first ends electrically connected to the second ends of the plurality of winding portions, respectively, and second ends electrically connected to each other, and a controller.
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公开(公告)号：US20230253909A1
公开(公告)日：2023-08-10
申请号：US17985409
申请日：2022-11-11
发明人： Kang Ho JEONG , Myung Ho KIM , Sang Cheol SHIN , Young Seul LIM
IPC分类号： H02P27/08 , H02M7/5395 , H02P25/22
CPC分类号： H02P27/08 , H02M7/5395 , H02P25/22 , B60L15/20
摘要： A motor driving apparatus of driving the motor having a plurality of winding portions respectively corresponding to a plurality of phases is directed for improving inverter efficiency in driving the motor while varying the inductance of the motor by providing various motor driving modes to meet the required performance of the motor.
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公开(公告)号：US20240039448A1
公开(公告)日：2024-02-01
申请号：US18117686
申请日：2023-03-06
发明人： Myung Ho KIM , Young Seul LIM , Sang Cheol SHIN , Kang Ho JEONG
CPC分类号： H02P27/06 , H02M1/348 , H02P29/0241 , H02J7/007 , H02J7/00308 , H02M7/539 , H02M1/0054 , B60L3/003 , B60L53/22
摘要： An electrified vehicle having a first inverter having a DC terminal and a plurality of legs respectively connected to one end of each of a plurality of coils of a motor, a second inverter connected to the DC terminal, and including a plurality of legs connected to the other ends of the plurality of coils, respectively, a plurality of transfer switches respectively having one end connected to a neutral terminal for the plurality of coils and the other end connected to the other end of each coil, an overvoltage protection circuit including a clamping switch, a resistor, and a capacitor, and connected to the neutral terminal and the DC terminal, and a controller controlling a turned-on state of the plurality of transfer switches according to the motor driving mode. When the motor is driven, the controller controls a turned-on state of the clamping switch.
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公开(公告)号：US20230017022A1
公开(公告)日：2023-01-19
申请号：US17845192
申请日：2022-06-21
发明人： Kang Ho JEONG , Myung Ho KIM , Sang Cheol SHIN , Young Seul LIM
摘要： A system for charging a battery for a vehicle using a motor driving system that operates a motor having a plurality of windings is disclose. The system includes a first inverter having a plurality of first switching elements, a DC terminal connected to the battery, and an AC terminal connected to one terminal of the plurality of windings, a second inverter having a plurality of second switching elements, a DC terminal selectively short-circuited/opened with the DC terminal of the first inverter, and an AC terminal connected to the other terminal of the plurality of windings, and a controller configured to control an electric connection state between the DC terminals of the first inverter and the second inverter and an open/short-circuited state of the first switching elements and the second switching elements.
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公开(公告)号：US20220410741A1
公开(公告)日：2022-12-29
申请号：US17828706
申请日：2022-05-31
发明人： Kang Ho JEONG , Yong Jae LEE , Myung Ho KIM , Sang Cheol SHIN , Young Seul LIM
IPC分类号： B60L53/24 , B60L50/51 , H02M7/5395 , H02M3/155
摘要： A system for charging a vehicle battery using a motor driving system includes a first inverter including a plurality of first switching elements; a second inverter including a plurality of second switching elements; a plurality of transfer switches having first ends and second ends, the first ends thereof being respectively connected to the second ends of a plurality of windings, and the second ends thereof being connected to each other; and a controller configured, in a charging mode, to control opened/shorted states of the switching elements included in the first inverter and the second inverter and the plurality of transfer switches, so that a DC charging voltage applied to a portion between of the second ends of the plurality of transfer switches and a negative terminal of the battery is supplied to the battery.
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公开(公告)号：US20240305183A1
公开(公告)日：2024-09-12
申请号：US18372865
申请日：2023-09-26
发明人： Myung Ho KIM , Young Seul LIM , Ki Jong LEE , Kang Ho JEONG
CPC分类号： H02M1/08 , B60L53/22 , H02J7/007182 , H02P27/06 , B60L2210/14 , H02M3/33523
摘要： A gate driving device includes a power supply circuit configured to boost a power source voltage and to output a first driving power voltage and a second driving power voltage, and a gate driver configured to drive a top control signal for switching a top switch element of an inverter by receiving the first driving power voltage from the power supply circuit, to drive a bottom control signal for switching a bottom switch element of the inverter by receiving the second driving power voltage from the power supply circuit, and to output a charging control signal for switching a charging switch element connected to a neutral terminal of a motor and one end of the bottom switch element by receiving the second driving power voltage.
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公开(公告)号：US20230253908A1
公开(公告)日：2023-08-10
申请号：US17985408
申请日：2022-11-11
发明人： Kang Ho JEONG , Myung Ho KIM , Sang Cheol SHIN , Young Seul LIM
IPC分类号： H02P27/08 , H02M7/5387 , H02M1/08
CPC分类号： H02P27/08 , H02M7/5387 , H02M1/08
摘要： A motor driving apparatus of driving a motor including a plurality of windings respectively corresponding to a plurality of phases is disclosed. The motor driving apparatus include a first inverter including a plurality of first switching elements and connected to a first end of each of the windings, a second inverter including a plurality of second switching elements and connected to a second end of each of the windings, and a controller configured for controlling ON/OFF states of the first switching elements and the second switching elements based on a required output of the motor, wherein the first inverter may be connected to a first voltage source, the second inverter may be connected to a second voltage source, and the first voltage source and the second voltage source may have different grounds.
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公开(公告)号：US20230249566A1
公开(公告)日：2023-08-10
申请号：US17946829
申请日：2022-09-16
发明人： Myung Ho KIM , Young Seul LIM , Sang Cheol SHIN , Kang Ho JEONG
IPC分类号： B60L53/24 , H02M1/08 , H02M7/5387 , H02J7/14 , B60L50/60
CPC分类号： B60L53/24 , B60L50/60 , H02J7/14 , H02M1/08 , H02M7/5387 , B60L2210/40 , H02J2207/20
摘要： A battery charging system includes a first inverter including first switching elements and DC and AC terminals connected to the battery and a first end of the windings of a motor, respectively; a second inverter including second switching elements and DC and AC terminals connected to the battery and a second end of the windings, respectively; third switching elements each having a first end connected to the second end of the windings and a second end connected to each other; a charging capacitor provided between the second end of the third switching elements and a negative terminal of the battery, and to which a DC charging voltage is applied for charging the battery; a fourth switching element connected in series with the charging capacitor between the second end of the third switching elements and the negative terminal; and a controller configured to control the first to fourth switching elements.
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