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    VOLTAGE SENSOR
    31.
    发明申请
    VOLTAGE SENSOR 审中-公开
    电压传感器

    公开(公告)号：US20170030946A1

    公开(公告)日：2017-02-02

    申请号：US15106591

    申请日：2014-12-16

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Mark Gravermann ,  Sebastian Eggert ,  Michael Petry ,  Werner Roehling ,  Friedrich A. Busemann ,  Bernd Schubert ,  Gerhard Lohmeier ,  Michael H. Stalder ,  Jens Weichold ,  Rainer Reeken ,  Andreea Sabo ,  Christian Weinmann ,  Dipankar Ghosh ,  Myungchan Kang ,  Christopher D. Sebesta

    IPC: G01R15/16 ,  G01R19/00

    CPC classification number: G01R15/16 ,  G01R15/142 ,  G01R15/181 ,  G01R19/0084

    Abstract: Voltage sensor (1) for a high- or medium-voltage power-carrying conductor for a power network, such as an inner conductor of a power cable or a cable connector or a bus bar. The voltage sensor has a tubular shape and an axial passageway (40), which can receive the conductor. The voltage sensing device comprises a) a radially-inner electrode (20), operable as a first sensing electrode of a sensing capacitor for sensing the voltage of the power-carrying conductor, b) a radially-outer electrode (30), operable as a second sensing electrode of the sensing capacitor, and c) a solid carrier element (10), at least a first portion of which is arranged between the inner electrode and the outer electrode, the first portion being operable as a dielectric of the sensing capacitor. The sensor can be accommodated in a cable accessory. The carrier element may comprise ceramic material to increase accuracy.

    Abstract translation: 用于电力网络的高压或中压供电导体的电压传感器（1），例如电力电缆或电缆连接器或汇流条的内部导体。 电压传感器具有管状形状和可接收导体的轴向通道（40）。 所述电压感测装置包括：a）径向内部电极（20），其可用作感测电容器的第一感测电极，用于感测所述功率承载导体的电压; b）径向外部电极（30），其可操作为 感测电容器的第二感测电极，以及c）固体载体元件（10），其至少第一部分布置在所述内部电极和所述外部电极之间，所述第一部分可操作为所述感测电容器的电介质 。 传感器可以容纳在电缆附件中。 载体元件可以包括陶瓷材料以提高精度。

    POWER CABLE TERMINAL CONNECTION DEVICE
    32.
    发明申请
    POWER CABLE TERMINAL CONNECTION DEVICE 有权
    电源线端子连接装置

    公开(公告)号：US20160134094A1

    公开(公告)日：2016-05-12

    申请号：US14898512

    申请日：2014-06-19

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Carl J. Wentzel ,  Christopher D. Sebesta ,  Jaylon D. Loyd ,  David V. Mahoney ,  Michael D. Benson ,  Levent Biyikli ,  Jens Weichold ,  Mark Gravermann ,  Giuliano Bolcato

    IPC: H02G15/02 ,  H02G1/14 ,  H01B9/00

    CPC classification number: H02G15/02 ,  H01B9/006 ,  H02G1/14 ,  H02G15/068

    Abstract: A terminal connection device comprises a contiguous body disposed onto an inner conductor. The inner conductor includes a first end mateable with a power cable connector and a second end. The body comprises a multilayer structure having an inner conductive or semiconductive layer disposed over at least a portion of the power cable connector, an insulating layer and an outer conductive or semiconductive layer. The body surrounds the first end of the inner conductor and extending towards the second end of the inner conductor. The body can also include an electrically isolated section of conductive or semiconductive material. The terminal connection device can be a fully integrated structure, having a pre-installed connection interface, or the terminal connection device can be configured as an adapter which can be mounted in the field to a connection interface.

    Abstract translation: 终端连接装置包括设置在内导体上的连续体。 内部导体包括可与电力电缆连接器配合的第一端和第二端。 主体包括多层结构，其具有设置在电力电缆连接器的至少一部分上的内部导电或半导体层，绝缘层和外部导电或半导体层。 主体围绕内部导体的第一端并延伸到内部导体的第二端。 主体还可以包括导电或半导体材料的电隔离部分。 终端连接装置可以是完全集成的结构，具有预先安装的连接接口，或者终端连接装置可以被配置为可以在现场安装到连接接口的适配器。

    Sensor with discrete impedance elements for high voltage connectors
    35.
    发明授权
    Sensor with discrete impedance elements for high voltage connectors 有权

    公开(公告)号：US11099215B2

    公开(公告)日：2021-08-24

    申请号：US16646428

    申请日：2018-09-28

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Harald Westkamp ,  Bernd Schubert ,  Mark Gravermann ,  Jens Weichold

    IPC: G01R15/06 ,  G01R1/20 ,  G01R15/16 ,  G01R15/18 ,  H01R13/66

    Abstract: The invention relates to a sensor (3) for measuring a voltage in a HV/MV power network in a separable connector (2), the sensor comprising: —an adapter element (11) comprising a high voltage connection adapted to be mechanically and electrically coupled to a high voltage conductor (7) of the separable connector (2) and to receive HV/MV voltage from the separable connector, —a sensor body (12) adapted to be mechanically and electrically coupled to the adapter element (11) and comprising a divider assembly (24) with a plurality of discrete impedance elements, which are electrically connected in series such as to be operable as a voltage divider for sensing a voltage and a low voltage connection (42) configured to provide a low voltage signal corresponding to a high voltage signal present in the HV/MV power network, wherein the adapter element (11) and the sensor body (12) are separate elements that are adapted to be installed to the separable connector (2), wherein the adapter element is configured to be installed between the separable connector and the sensor body.

    VOLTAGE DIVIDER ASSEMBLY
    36.
    发明申请
    VOLTAGE DIVIDER ASSEMBLY 审中-公开

    公开(公告)号：US20200278382A1

    公开(公告)日：2020-09-03

    申请号：US16757592

    申请日：2018-10-30

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Jens Weichold

    IPC: G01R15/06

    Abstract: Voltage divider assembly (1) for installation on a power conductor (100) inside a MV/HV switchgear in a power network of a national grid, operable to divide a voltage of the power conductor in a voltage-dividing sensor for sensing a voltage of the power conductor. The voltage divider assembly comprises a) conductive connecting means (180) for mechanically and electrically connecting the voltage divider assembly to the power conductor (100); and b) discrete impedance elements, electrically connected with the connecting means and in series with each other such as to be operable as a high-voltage side of the voltage-dividing sensor.

    HIGH-VOLTAGE IMPEDANCE ASSEMBLY
    37.
    发明申请
    HIGH-VOLTAGE IMPEDANCE ASSEMBLY 审中-公开

    公开(公告)号：US20200174042A1

    公开(公告)日：2020-06-04

    申请号：US16620665

    申请日：2018-06-13

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Michael H. Stalder ,  Sebastian Eggert-Richter ,  Rainer Fangrat ,  Mark Gravermann ,  Jens Weichold ,  Gunther A.J. Stollwerck ,  Bernd Schubert ,  Hermanus Franciscus Maria Van Meijl ,  Andreea Sabo

    IPC: G01R15/06 ,  H05K1/18

    Abstract: Impedance assembly (2) for use in a voltage divider for sensing an AC voltage of at least 1 kV versus ground of a power-carrying conductor distributing electrical energy in a grid. The impedance assembly comprises a) a printed circuit board (131) comprising one or more dielectric board layers (210, 215, 220), b) an externally accessible high-voltage contact (100), c) an externally accessible low-voltage contact (110), spaced from the high-voltage contact by at least 30 mm, and d) at least two dividing capacitors (91), connected in series between the high-voltage contact and the low-voltage contact and operable as a high-voltage side of the voltage divider. Each dividing capacitor has two electrodes formed by conductive areas (301, 302, 303, 304, 305, 306), arranged on opposed surface portions of a specific dielectric board layer, and a dielectric comprising a portion of the specific dielectric board layer on which the electrodes are arranged. Instead of the dividing capacitors, the impedance assembly may comprise a resistor layer.

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