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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：US20230006596A1
公开(公告)日：2023-01-05
申请号：US17829762
申请日：2022-06-01
发明人： Ji Woong JANG , Sang Cheol SHIN , Yoo Jong LEE , Ki Jong LEE , Ho Tae CHUN
IPC分类号： H02P27/08 , H02J7/24 , H02J7/00 , H02M7/5387 , H02M1/088 , B60L50/60 , B60L15/00 , B60L53/24
摘要： Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.
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公开(公告)号：US20230412112A1
公开(公告)日：2023-12-21
申请号：US17985621
申请日：2022-11-11
发明人： Ji Woong JANG , Sang Cheol SHIN , Yoo Jong LEE , Dong Hoon PARK , Ki Jong LEE , Ho Tae CHUN
IPC分类号： H02P29/68 , H02P27/08 , H02P29/024
CPC分类号： H02P29/68 , H02P27/08 , H02P29/027
摘要： A motor driving apparatus includes an inverter that includes a switching element connected between either terminal of a battery and a thermistor insulated from the switching element and that drives a motor through the switching element, a resistor connected between a sensing node to which one end of the thermistor is connected and a terminal of a low source voltage, and a motor controller configured for controlling a relay connected between the battery and the switching element based on a voltage of the sensing node.
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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：US20240039435A1
公开(公告)日：2024-02-01
申请号：US18098885
申请日：2023-01-19
发明人： Han Geun JANG , Nae Chun PARK , In Ho KIM , Sang Cheol SHIN , Choul Woo JUNG
摘要： A motor driving apparatus includes a first motor including first windings respectively corresponding to phases, a second motor including second windings respectively corresponding phases, a first inverter including first switching elements and connected to a first end of each of the first windings, a second inverter including second switching elements, a first changeover switch including third switching elements respectively connected to a second end of each of the first windings at one end and connected to each other at the other end, a second changeover switch including switches selectively connecting the second inverter with the second end of each of the first windings or the second inverter with a first end of each of the second windings, and a controller configured for controlling the states of the first switching elements, the second switching elements, the third switching elements and the switches based on preset conditions.
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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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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：US20230029229A1
公开(公告)日：2023-01-26
申请号：US17846655
申请日：2022-06-22
发明人： Kang Ho JEONG , Sang Cheol SHIN , Jung Ik HA , Hyeon Gyu CHOI , Jae Hoon SIM
摘要： A motor driving apparatus which drives a motor including a plurality of windings corresponding to a plurality of phases, respectively, includes: 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 obtaining a vector corresponding to a voltage command of the motor by combining switching vectors which cause difference between a common mode voltage of the first inverter and a common mode voltage of the second inverter to be zero and configured to control the plurality of first switching elements and the plurality of second switching elements in a pulse width modulation method based on the obtained vector.
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