POWER SEMICONDUCTOR MODULE GATE DRIVER WITH INPUT COMMON MODE CHOKE

    公开(公告)号:WO2019012038A1

    公开(公告)日:2019-01-17

    申请号:PCT/EP2018/068930

    申请日:2018-07-12

    Applicant: ABB SCHWEIZ AG

    Abstract: A power semiconductor unit (12) comprises a power semiconductor switch (14) adapted for switching a current through the power semiconductor unit (12), the power semiconductor switch comprising a positive power input (16a), a negative power input (16b) and a gate (38); a gate driver circuit (18) for receiving a gate signal (V S ) from a gate signal input (28) and for connecting the gate (38) of the power semiconductor switch (14) with a positive voltage reference (+V G ) from a positive voltage input (26); and a common mode coupling device (20, 20') for providing an impedance for a common mode current through auxiliary inputs of the power semiconductor unit (12), the auxiliary inputs comprising the gate signal input (28), the positive voltage input (26), a positive power reference input (58) connected with the positive power input (16a) and a negative power reference input (30) connected with the negative power input (16b); wherein the common mode coupling device (20, 20') comprises a common mode choke with a core (36) coupling the auxiliary inputs (26, 28, 30, 32, 58).

    BATTERY CHARGER FOR TRACTION VEHICLE
    2.
    发明申请

    公开(公告)号:WO2018158453A1

    公开(公告)日:2018-09-07

    申请号:PCT/EP2018/055228

    申请日:2018-03-02

    Applicant: ABB SCHWEIZ AG

    Abstract: A battery charger (10) for a traction vehicle comprises a first conversion stage (14) for receiving an input voltage and for converting the input voltage into an intermediate DC voltage; and a second conversion stage (16) for converting the intermediate DC voltage into a DC charging voltage; wherein the first conversion stage (14) comprises an active converter (30, 36); and wherein the second conversion stage (16) comprises a galvanically isolated resonant DC-DC converter (38) with a primary side inverter (40) connected via a transformer (68) with at least one secondary side rectifier (42).

    COOLED ELECTRICAL ASSEMBLY
    3.
    发明申请

    公开(公告)号:WO2021136593A1

    公开(公告)日:2021-07-08

    申请号:PCT/EP2020/050033

    申请日:2020-01-02

    Applicant: ABB SCHWEIZ AG

    Abstract: A cooled electrical assembly comprising a body part (2) comprising a first wall (21), the first wall (21) being a planar wall, an inductor (4) comprising a core (406) and a coil (408) around the core (406), wherein the inductor (4) is a closed-core inductor, and has a first inductor surface (41) which is an outer surface, and cooling means comprising a first cooling member (61) in heat conductive connection with the first wall (21), and located on opposite side of the first wall (21) than the inductor (4). The first inductor surface (41) is a planar surface positioned parallel and adjacent to the first wall (21) of the body part (2) such that there is a heat conductive connection between the first inductor surface (41) and the first cooling member (61).

    TRANSFORMER WITH A WINDING ARRANGEMNET OF LITZ WIRES
    4.
    发明申请
    TRANSFORMER WITH A WINDING ARRANGEMNET OF LITZ WIRES 审中-公开
    带有LITZ线绕线绕组的变压器

    公开(公告)号:WO2018007514A1

    公开(公告)日:2018-01-11

    申请号:PCT/EP2017/066919

    申请日:2017-07-06

    Applicant: ABB SCHWEIZ AG

    Abstract: A transformer (100), particularly a medium frequency transformer, is described. The transformer (100) includes a transformer core having a core leg with a longitudinal axis (111), and a winding arrangement (120) including a conductor (125) wound around the longitudinal axis (111) of the core leg with a number of turns N t, wherein the conductor (125) includes a group of litz wires which are electrically connected in parallel. The group of litz wires (1, 2, 3, 4, 5, 6) includes a first subgroup of litz wires (1, 2, 3) and a second subgroup of litz wires (4, 5, 6). The winding arrangement (120) includes at least one transposition (160) in which a radial position of the first subgroup of litz wires (1, 2, 3) and a radial position of the second subgroup litz wires (4, 5, 6) are interchanged.

    Abstract translation: 描述变压器(100),特别是中频变压器。 变压器(100)包括具有带有纵向轴线(111)的铁芯支脚的变压器铁芯以及包括围绕铁芯支脚的纵向轴线(111)缠绕的导体(125)的绕组布置(120),其中多个 其中导体(125)包括并联电连接的一组绞合线。 绞合线组(1,2,3,4,5,6)包括第一组绞合线(1,2,3)和第二组绞合线(4,5,6)。 绕组装置(120)包括至少一个换位器(160),其中第一组绞线(1,2,3)的径向位置和第二组子绞合导线(4,5,6) 互换。

    POWER SUPPLY SYSTEM FOR BIDIRECTIONAL ENERGY FLOW

    公开(公告)号:EP3904151A1

    公开(公告)日:2021-11-03

    申请号:EP20172515.7

    申请日:2020-04-30

    Applicant: ABB Schweiz AG

    Abstract: The invention relates to a power supply system (10), particularly for a bidirectional energy flow between a medium-voltage grid (11) and a low-voltage electricity consumer site (60). The system (10) comprises a power feeding system (25), configured for transforming an AC medium-voltage power signal from the medium-voltage grid (11) into a low-voltage power signal (29) for feeding the electricity consumer site (60). Furthermore, it comprises a low-voltage multiphase converter (40), configured for transforming a low-voltage signal (41, 42) into a low-voltage multiphase signal (49), wherein the multiphase converter (40) is arranged antiparallel to the power feeding system (25); and an LV/MV multiphase transformer (50), configured for transforming the low-voltage multiphase signal (49) into an output-signal (59) that is conformant to the AC medium-voltage power signal (11).

    INDUCTIVE FAST CHARGER
    7.
    发明公开

    公开(公告)号:EP3905283A1

    公开(公告)日:2021-11-03

    申请号:EP20172456.4

    申请日:2020-04-30

    Applicant: ABB Schweiz AG

    Abstract: The invention relates to a power electronic converter (700) comprising a plurality of converter cells (300); wherein each converter cell (300) comprises: an inductive power transfer stage (106), the inductive power transfer stage (106) comprising a coupled inductor (301) coupling a first side of the converter cell (300) to a second side of the converter cell (300), wherein the coupled inductor (301) comprises a first winding (314) around a first magnetic core (312), the first winding (314) being connected to the first side of the converter cell (300), and a second winding (324) around a second magnetic core (322), the second winding (324) being connected to the second side of the converter cell (300); wherein the first winding (314) and the first magnetic core (312) are separated from the second winding (324) and second magnetic core (322) by a flat electric insulation layer (302) that provides electric insulation between the first and the second side of the converter cell (300); wherein at least two of the coupled inductors (301) are arranged in such a way that their insulation layers (302) form a single contiguous insulation layer (302).

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