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    LINE FILTER DEVICE
    2.
    发明公开
    LINE FILTER DEVICE 审中-公开
    线过滤装置

    公开(公告)号：EP3223415A1

    公开(公告)日：2017-09-27

    申请号：EP16161351.8

    申请日：2016-03-21

    Applicant: ABB Schweiz AG

    Inventor： Koivula, Ville ,  Järvelä, Markku

    IPC: H02M1/12

    Abstract: A filter device (2) for improving quality of electricity, the filter device (2) comprising a first terminal (T1) for connecting the filter device (2) to a first portion of an alternating-current network, a second terminal (T2) for connecting the filter device (2) to a second portion of the alternating-current network, the filter device (2) being adapted to carry alternating current between the first terminal (T1) and the second terminal (T2), inductor means connected in series between the first terminal (T1) and the second terminal (T2), and filter capacitor means adapted to co-operate with the inductor means for filtering an alternating current present between the first terminal (T1) and the second terminal (T2). The filter device (2) comprises a capacitor switch device (S3) for disconnecting the filter capacitor means from the inductor means.

    Abstract translation: 1。一种用于提高电力质量的滤波器装置（2），所述滤波器装置（2）包括用于将所述滤波器装置（2）连接到交流网络的第一部分的第一端子（T1），第二端子（T2） 用于将所述滤波器装置（2）连接到所述交流网络的第二部分，所述滤波器装置（2）适于在所述第一端子（T1）和所述第二端子（T2）之间传送交流电流，所述滤波器装置 在第一端子（T1）和第二端子（T2）之间串联连接;以及滤波电容器装置，适于与电感器装置配合，用于对存在于第一端子（T1）和第二端子（T2）之间的交流进行滤波。 滤波器装置（2）包括用于将滤波电容器装置从电感器装置断开的电容器开关装置（S3）。

    AN ARRANGEMENT OF LCL FILTER STRUCTURE
    5.
    发明公开
    AN ARRANGEMENT OF LCL FILTER STRUCTURE 审中-公开

    公开(公告)号：EP3376513A1

    公开(公告)日：2018-09-19

    申请号：EP17460010.6

    申请日：2017-03-13

    Applicant: ABB Schweiz AG

    Inventor： Polit, Aleksander ,  Maciocha, Dariusz ,  Szewczyk-Jaszynska, Malgorzata ,  Koivula, Ville ,  Beck, Christoffer

    IPC: H01F37/00 ,  H02M1/12 ,  H01F27/28

    Abstract: The present invention relates to an arrangement of LCL filter structure and specially a filter structure to be connected to the output of inverter or network converter and to the arrangement of chokes. An arrangement of LCL filter structure comprising three pairs of two chokes (2, 3), (4, 5), (6, 7) per phase U, V, W , respectively. Each of the choke has a winding (10) wound around a yokeless, columnar core (11) having at least two axes X-X, X'-X'. The arrangement is characterize in that the LCL filter structure for a single phase U, V, W has at least one choke with the winding (10) wound around a yokeless, columnar core (11) situated centrally around the other axes Y-Y, Y'-Y'. The axes Y-Y, Y'-Y' are situated parallel to the axes X-X, X'-X' in a such distance that each of the singular chokes of each pair of the chokes is not in contact with any other chokes. A projection of winding (10) wound around the axis Y-Y or Y'-Y', respectively, of at least one choke (4), (5) is overlapped on the other winding (10) of the chokes (3) or (7) arranged around axis X-X or on the other winding (10) of the chokes (2) or (6) arranged around axis X'-X. All pairs of the chokes (2, 3), (4, 5) and (6, 7) are placed inside the shielding enclosure (9) forming one magnetic screen for all chokes together.

    METHOD AND ARRANGEMENT FOR CHARGING CAPACITIVE CIRCUIT
    6.
    发明公开
    METHOD AND ARRANGEMENT FOR CHARGING CAPACITIVE CIRCUIT 审中-公开

    公开(公告)号：EP3866302A1

    公开(公告)日：2021-08-18

    申请号：EP20157049.6

    申请日：2020-02-13

    Applicant: ABB Schweiz AG

    Inventor： Juvonen, Linda ,  Hellberg, Janne ,  Koivula, Ville

    IPC: H02J7/34 ,  H02M1/36

    Abstract: A method and an arrangement for charging a capacitive circuit connected to an electric power converter (10), the arrangement comprising charging means (R1, R2, S3) configured to provide a charging current to the capacitive circuit (C), and control means (100) configured to detect, during the charging, a first value and a second value of a charging current of the capacitive circuit (C) or a quantity indicative thereof, such that the second value is detected after a predetermined period of time from the detecting of the first value, compare the second value with the first value; and control the charging means (R1, R2, S3) to stop the charging of the capacitive circuit (C) in response to the first value and the second value differing from each other by less than a predetermined current difference threshold.

    METHOD FOR PROTECTING INVERTER ASSEMBLY AGAINST DIRECT CURRENT ARC, AND INVERTER ASSEMBLY
    9.
    发明公开
    METHOD FOR PROTECTING INVERTER ASSEMBLY AGAINST DIRECT CURRENT ARC, AND INVERTER ASSEMBLY 审中-公开

    公开(公告)号：EP3367526A1

    公开(公告)日：2018-08-29

    申请号：EP17158089.7

    申请日：2017-02-27

    Applicant: ABB Schweiz AG

    Inventor： Beck, Christoffer ,  Koivula, Ville ,  Juvonen, Linda

    IPC: H02H1/00 ,  G01R31/40 ,  H02H7/20 ,  H02H7/122 ,  H02H3/42

    CPC classification number: H02H1/0015 ,  G01R31/025 ,  G01R31/40 ,  H02H1/0023 ,  H02H3/422 ,  H02H7/1222 ,  H02H7/20 ,  Y02E10/56

    Abstract: A method for protecting an inverter assembly against a direct current arc, the inverter assembly comprising an input (DC IN ), an output (AC OUT ), an inverter (INV), a direct current conductor system electrically conductively connecting the input (DC IN ) to the inverter (INV), the method comprising detecting a direct current arc present in the direct current conductor system by means of an arc detection process, and extinguishing the direct current arc detected by the arc detection process. The arc detection process comprises determining an input power of the inverter assembly, determining an output power of the inverter assembly, comparing the input power and the output power in order to determine whether there is an indicative power difference between the input power and the output power, and detecting the direct current arc if predetermined arc conditions are fulfilled, the predetermined arc conditions include presence of the indicative power difference.

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