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Patent Agency Ranking
公开(公告)号：US20210016672A1
公开(公告)日：2021-01-21
申请号：US17061252
申请日：2020-10-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huibin Zhu , Heping Dai , Yongtao Liang , Weiping Liu
Abstract: According to one aspect of the present disclosure, there is provided an apparatus that includes first, second, and third power converter stages connected to a transformer module. At least one of the first, second, and third power converter stages is a multi-level power converter stage that has multiple configurations to generate different output voltages from an input voltage.
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2.发明授权公开(公告)号：US10855190B2
公开(公告)日：2020-12-01
申请号：US16212822
申请日：2018-12-07
Applicant: Huawei Technologies Co., Ltd.
Inventor： Heqian Yang , Changsheng Pei , Yongtao Liang
Abstract: A magnetic integrated device is disclosed, the device includes: a first magnetic core base and a second magnetic core base that are parallel and a first magnetic core column, a second magnetic core column, and a third magnetic core column that are located between the first magnetic core base and the second magnetic core base; and a first winding, a second winding, and a third winding are wound on the first magnetic core column, the second magnetic core column, and the third magnetic core column respectively in a same manner to form a closed magnetic flux loop, where the first winding, the second winding, and the third winding are separately used for connecting to a branch of a three-phase parallel circuit, and in all branches of the three-phase parallel circuit, values of currents are the same, and a difference between each two current phases is 120 degrees.
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公开(公告)号：US20160254756A1
公开(公告)日：2016-09-01
申请号：US15147589
申请日：2016-05-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Heqian Yang , Changsheng Pei , Yongtao Liang
CPC classification number: H02M3/33546 , H01F27/24 , H01F27/2823 , H01F30/12 , H02M3/285 , H02M3/335
Abstract: A magnetic integrated device is disclosed, the device includes: a first magnetic core base and a second magnetic core base that are parallel and a first magnetic core column, a second magnetic core column, and a third magnetic core column that are located between the first magnetic core base and the second magnetic core base; and a first winding, a second winding, and a third winding are wound on the first magnetic core column, the second magnetic core column, and the third magnetic core column respectively in a same manner to form a closed magnetic flux loop, where the first winding, the second winding, and the third winding are separately used for connecting to a branch of a three-phase parallel circuit, and in all branches of the three-phase parallel circuit, values of currents are the same, and a difference between each two current phases is 120 degrees.
Abstract translation: 公开了一种磁性集成器件，该器件包括：平行的第一磁芯基座和第二磁芯基座以及位于第一和第二磁芯之间的第一磁芯柱，第二磁芯柱和第三磁芯柱 磁芯基座和第二磁芯基座; 并且第一绕组，第二绕组和第三绕组分别以相同的方式卷绕在第一磁芯柱，第二磁芯柱和第三磁芯柱上，以形成闭合磁通量环，其中第一 绕组，第二绕组和第三绕组分别用于连接到三相并联电路的分支，并且在三相并联电路的所有分支中，电流值相同，并且每个 两个电流相位为120度。
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公开(公告)号：US20210155103A1
公开(公告)日：2021-05-27
申请号：US16911353
申请日：2020-06-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huibin Zhu , Heping Dai , Yongtao Liang , Weiping Liu , Feng Su , Shaohua Wang
Abstract: According to one aspect of the present disclosure, there is provided an apparatus that includes a battery, a Direct Current (DC) bus connected to the battery, and a DC to DC converter connected to the battery in parallel with the DC bus. A Motor Control Unit (MCU) is connected between the DC to DC converter and an electric motor. An Alternating Current (AC) port is connected to the electric motor. Switches connect the DC bus and an output of the DC to DC converter in series as an input to the MCU in a drive mode and disconnect the DC bus from the MCU in a charge mode.
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公开(公告)号：US10186974B2
公开(公告)日：2019-01-22
申请号：US15147589
申请日：2016-05-05
Applicant: Huawei Technologies Co., Ltd.
Inventor： Heqian Yang , Changsheng Pei , Yongtao Liang
Abstract: A magnetic integrated device is disclosed, the device includes: a first magnetic core base and a second magnetic core base that are parallel and a first magnetic core column, a second magnetic core column, and a third magnetic core column that are located between the first magnetic core base and the second magnetic core base; and a first winding, a second winding, and a third winding are wound on the first magnetic core column, the second magnetic core column, and the third magnetic core column respectively in a same manner to form a closed magnetic flux loop, where the first winding, the second winding, and the third winding are separately used for connecting to a branch of a three-phase parallel circuit, and in all branches of the three-phase parallel circuit, values of currents are the same, and a difference between each two current phases is 120 degrees.
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