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    MAGNETIC UNIT AND AN ASSOCIATED METHOD THEREOF
    1.
    发明申请
    MAGNETIC UNIT AND AN ASSOCIATED METHOD THEREOF 审中-公开

    公开(公告)号：US20190385785A1

    公开(公告)日：2019-12-19

    申请号：US16007844

    申请日：2018-06-13

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Cong Li ,  Anoop Jassal ,  Naveenan Thiagarajan ,  Satish Prabhakaran ,  Kum-Kang Huh ,  Jiangbiao He ,  Xiaosong Kang ,  Ruxi Wang

    IPC: H01F27/34 ,  H01F27/28 ,  H01F27/24 ,  H01F27/08

    Abstract: A magnetic unit is presented. The magnetic unit includes a magnetic core. The magnetic core includes a first limb and a second limb disposed proximate to the first limb, where a gap is formed between the first limb and the second limb. The magnetic unit further includes a first winding wound on the first limb. Moreover, the magnetic unit includes a conductive element disposed facing an outer periphery of the first winding, where the conductive element is configured to control a fringing flux generated at the gap. Further, the magnetic unit includes a heat sink operatively coupled to the conductive element, where the conductive element is further configured to transfer heat from at least one of the conductive element and the first winding to the heat sink. Moreover, a high frequency power conversion system and a method of operation of the magnetic unit is also presented.

    System for filtering high frequency noise components and an associated method thereof
    2.
    发明授权
    System for filtering high frequency noise components and an associated method thereof 有权

    公开(公告)号：US09882464B1

    公开(公告)日：2018-01-30

    申请号：US15375427

    申请日：2016-12-12

    Applicant: General Electric Company

    Inventor： Cong Li ,  Ruxi Wang ,  Juan Antonio Sabate

    IPC: H02M1/12 ,  H02M7/44

    CPC classification number: H02M1/126 ,  H02M7/44 ,  H02M2001/123

    Abstract: A system including at least one first converter and a filtering unit coupled to the at least one first converter is presented. The filtering unit includes at least one second converter and a plurality of inductors coupled to the at least one second converter. The system further includes a controlling unit operatively coupled to the at least one first converter and the at least one second converter. The controlling unit switches the at least one first converter to generate a first output voltage and the at least one second converter to generate a second output voltage, where the first output voltage and the second output voltage have a substantially same switching pattern.

    EMI NOISE REDUCTION CIRCUIT FOR DC/DC CONVERTER
    3.
    发明申请
    EMI NOISE REDUCTION CIRCUIT FOR DC/DC CONVERTER 有权

    公开(公告)号：US20240372464A1

    公开(公告)日：2024-11-07

    申请号：US17474623

    申请日：2021-09-14

    Applicant: General Electric Company

    Inventor： Gang Yao ,  Ramanujam Ramabhadran ,  Cong Li

    IPC: H02M1/44 ,  H02J7/00

    Abstract: A power system is provided. The power system includes a multi-level DC/DC converter electrically coupled with a terminal of a voltage source, such as a battery. The power system includes an EMI filter network having EMI shunt filters electrically coupled between the terminals of the battery and a reference frame or grounding system. The EMI shunt filters each include at least one of a first order filter and a second order filter. The elements of these ordered filters can be used to shunt common mode electric current to less-resistive paths, limit voltage, and reduce common mode voltage noise to ultimately reduce the common mode effects in the power system.

    Systems and methods for rotating a crankshaft to start an engine
    4.
    发明授权
    Systems and methods for rotating a crankshaft to start an engine 有权

    公开(公告)号：US10608565B2

    公开(公告)日：2020-03-31

    申请号：US15834059

    申请日：2017-12-07

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Yash Veer Singh ,  Ruxi Wang ,  Satish Prabhakaran ,  Cong Li

    IPC: B60L11/02 ,  H02P9/30 ,  B64D41/00 ,  B64D35/00 ,  H02P9/08 ,  H03H7/01 ,  H02P101/30

    Abstract: An electrical power unit is disclosed. The electrical power unit includes a controller configured to generate a first control signal based on a first operational state of an engine, a multiphase electrical machine including a plurality of three-phase windings; and an electrical power conditioning subunit operatively coupled to the controller, where the electrical power conditioning subunit comprises a plurality of converters, where at least one converter is electrically coupled to a corresponding three-phase winding of the plurality of three-phase windings based on the first control signal, and where the electrical power conditioning subunit is configured to transmit a first electrical power from the at least one converter to the corresponding three-phase winding, where the multiphase electrical machine is configured to generate a mechanical power based on the first electrical power and rotate a crankshaft operatively coupled to the engine based on the generated mechanical power to start the engine.

    SYSTEMS AND METHODS FOR ROTATING A CRANKSHAFT TO START AN ENGINE
    5.
    发明申请
    SYSTEMS AND METHODS FOR ROTATING A CRANKSHAFT TO START AN ENGINE 审中-公开

    公开(公告)号：US20190181786A1

    公开(公告)日：2019-06-13

    申请号：US15834059

    申请日：2017-12-07

    Applicant: GENERAL ELECTRIC COMPANY

    Inventor： Yash Veer Singh ,  Ruxi Wang ,  Satish Prabhakaran ,  Cong Li

    IPC: H02P9/30 ,  B64D41/00 ,  B64D35/00

    Abstract: An electrical power unit is disclosed. The electrical power unit includes a controller configured to generate a first control signal based on a first operational state of an engine, a multiphase electrical machine including a plurality of three-phase windings; and an electrical power conditioning subunit operatively coupled to the controller, where the electrical power conditioning subunit comprises a plurality of converters, where at least one converter is electrically coupled to a corresponding three-phase winding of the plurality of three-phase windings based on the first control signal, and where the electrical power conditioning subunit is configured to transmit a first electrical power from the at least one converter to the corresponding three-phase winding, where the multiphase electrical machine is configured to generate a mechanical power based on the first electrical power and rotate a crankshaft operatively coupled to the engine based on the generated mechanical power to start the engine.

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