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公开(公告)号：US20220321048A1
公开(公告)日：2022-10-06
申请号：US17842939
申请日：2022-06-17
发明人： Kang Ho Jeong , Jong Kyong Lim , Suk Hyun Lim , Ji Woong Jang , Beom Sik Kim , Sang Cheol Shin
IPC分类号： H02P27/08 , H02P25/18 , H02M7/5387 , B60L50/51 , G01R19/165 , B60L15/08
摘要： A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
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公开(公告)号：US20210305928A1
公开(公告)日：2021-09-30
申请号：US17086614
申请日：2020-11-02
发明人： Kang Ho Jeong , Jong Kyong Lim , Suk Hyun Lim , Ji Woong Jang , Beom Sik Kim , Sang Cheol Shin
IPC分类号： H02P27/08 , H02P25/18 , H02M7/5387 , B60L15/08 , B60L50/51 , G01R19/165
摘要： A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
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公开(公告)号：US20210178920A1
公开(公告)日：2021-06-17
申请号：US16996478
申请日：2020-08-18
发明人： Ki Jong Lee , Sang Cheol Shin , Young Seul Lim , Ji Woong Jang , Yoo Jong Lee , Jun Hwan Kim , Seong Min Lee
IPC分类号： B60L53/24 , H02J7/16 , H02J7/00 , H02K5/22 , H02P27/06 , H02K11/33 , B60K1/00 , B60K1/04 , B60L53/302 , B60L53/55
摘要： A power conversion apparatus for multi-voltage charging is provided. The power conversion apparatus includes a housing, a motor connecting terminal disposed at one side of the housing, a relay having a first end electrically connected to the motor connecting terminal, and a capacitor having a first terminal electrically connected to a second end of the relay, and second and third terminals respectively connected to positive and negative terminals of an external battery, wherein the motor connecting terminal, the relay, and the first, second and third terminals are disposed within the housing along an outer edge of the housing.
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公开(公告)号：US10771005B2
公开(公告)日：2020-09-08
申请号：US16389450
申请日：2019-04-19
发明人： Beom Sik Kim , Jin Hwan Jung , Sang Cheol Shin , Ji Woong Jang , Ki Young Jang , Ki Jong Lee
摘要： An inverter system for a vehicle includes: an energy storage device configured to store electrical energy, a first inverter including a plurality of first switching elements and configured to convert the electrical energy stored in the energy storage device into alternating-current (AC) electric power, a second inverter including a plurality of second switching elements different from the plurality of first switching elements, a motor configured to be driven by receiving the AC power converted by the first inverter and the second inverter, current sensors disposed between the first inverter and the motor and the second inverters and the motor, respectively, and configured to detect a current input to the motor, and a controller configured to generate a pulse width modulation (PWM) signal for controlling driving of the motor.
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公开(公告)号：US10651775B2
公开(公告)日：2020-05-12
申请号：US16132828
申请日：2018-09-17
发明人： Ji Woong Jang , Ki Young Jang , Jin Hwan Jung , Sang Cheol Shin , Beom Sik Kim , Ki Jong Lee
IPC分类号： H02P27/08 , H02P23/14 , H02P25/024 , B60L50/51 , H03K17/082
摘要： An inverter system for a vehicle may include an energy storage device configured to store electrical energy; a first inverter including a plurality of first switching elements, and converting the energy into AC power; a second inverter including a plurality of second switching elements different from the first switching elements, being connected to the energy storage device in parallel with the first inverter, and converting the energy into AC power; a motor driven by receiving the AC power; a PWM signal generating device configured to generate a reference Pulse-width modulation (PWM) signal for controlling driving of the motor; and a PWM signal converting device configured to convert the reference PWM signal into both a first PWM signal input into the first inverter to drive the first switching elements, and a second PWM signal input into the second inverter to drive the second switching elements.
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公开(公告)号：US20180172522A1
公开(公告)日：2018-06-21
申请号：US15644354
申请日：2017-07-07
发明人： Je Hwan Lee , Han Geun Jang , Seong Min Lee , Sang Cheol Shin , Heon Young Kwak
CPC分类号： G01K7/01 , G01K2217/00 , G01R31/2619 , G01R31/2642 , G01R31/42 , H03K17/0828 , H03K2017/0806 , H03K2217/0027
摘要： A system and method for measuring a junction temperature of a power module junction temperature are provided. The method is capable of improving accuracy of temperature measurement by more accurately applying temperature change in a junction temperature rising section, capable of more accurately predicting durability life of a power module, and capable of increasing output power of the power module.
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公开(公告)号：US20160161530A1
公开(公告)日：2016-06-09
申请号：US14663848
申请日：2015-03-20
发明人： Seong Min Lee , Jin Myeong Yang , Youn Sik Lee , Je Hwan Lee , Sang Cheol Shin , Han Geun Jang
IPC分类号： G01R15/18
CPC分类号： G01R15/183
摘要： A current sensing circuit includes: a current sensing transformer including a primary coil connected to an input terminal of a converter and a secondary coil; a first current path connected to the secondary coil, including a first resistor, and configured to allow a forward current induced in the secondary coil to flow therethrough; and a second current path connected to the secondary coil, including a second resistor, and configured to allow a reverse current induced in the secondary coil to flow therethrough, wherein the first current path further includes at least one voltage drop element disposed between the secondary coil and the first resistor.
摘要翻译： 电流检测电路包括：电流检测变压器，包括连接到转换器的输入端的初级线圈和次级线圈; 连接到次级线圈的第一电流路径，包括第一电阻器，并且被配置为允许在次级线圈中感应的正向电流流过; 以及连接到所述次级线圈的第二电流路径，包括第二电阻器，并且被配置为允许次级线圈中感应的反向电流流过其中，其中所述第一电流路径还包括设置在所述次级线圈之间的至少一个电压降元件 和第一个电阻。
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公开(公告)号：US20220352838A1
公开(公告)日：2022-11-03
申请号：US17862753
申请日：2022-07-12
发明人： Kang Ho Jeong , Jong Kyong Lim , Suk Hyun Lim , Ji Woong Jang , Beom Sik Kim , Sang Cheol Shin
IPC分类号： H02P25/18 , H02P27/06 , H02P25/22 , H02M7/5395 , H02P6/08
摘要： A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
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公开(公告)号：US11277124B2
公开(公告)日：2022-03-15
申请号：US16923703
申请日：2020-07-08
发明人： Yoo Jong Lee , Ji Woong Jang , Ki Jong Lee , Sang Cheol Shin
IPC分类号： H03K17/082 , H02M7/525 , H03K17/0812 , H03K17/18 , H03K17/08
摘要： An overcurrent detection reference compensation system of a switching element for an inverter and an overcurrent detection system using the same can correct an overcurrent detection reference used to detect an overcurrent of a switching element according to a temperature of the switching element.
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公开(公告)号：US20220077807A1
公开(公告)日：2022-03-10
申请号：US17096085
申请日：2020-11-12
发明人： Kang Ho Jeong , Sang Cheol Shin , Yong Jae Lee , Jung lk Ha , Hyeon Gyu Choi , Jae Hoon Shim
摘要： A motor driving device drives a motor having a plurality of windings corresponding to a plurality of phases. The motor driving device includes: a first inverter configured to include a plurality of first switching elements and connected to first stages of the plurality of windings; a second inverter configured to include a plurality of second switching elements and connected to second stages of the plurality of windings; and a controller configured to fix switching states of the second switching elements and switch the first switching elements to compose target voltage vectors if the motor is driven in an open end winding type by operating the first inverter and the second inverter in a space vector pulse width modulation mode.
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