-
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
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。
-
公开(公告)号:US20160084888A1
公开(公告)日:2016-03-24
申请号:US14890652
申请日:2014-05-08
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Friedrich A. Busemann , Gerhard Lohmeier , Mark Gravermann
CPC classification number: G01R15/16 , G01R19/0084 , H01F38/30 , H02G15/113
Abstract: Closure (1) for receiving a section of a conductor assembly (71), comprising a housing (25) closable around the conductor assembly (71), and an electrode assembly (200), which comprises a movable portion comprising a contact surface (150) for mechanically contacting the conductor assembly (71), and a sensing electrode (140), operable as a first capacitor electrode of a sensing capacitor for sensing a voltage of the conductor (80). The closure further comprises urging means (160) for urging the movable portion of the electrode assembly (200) towards the conductor assembly (71) for establishing a mechanical surface contact between the contact surface (150) and the conductor assembly (71), when the housing (25) is closed around the conductor assembly (71).
Abstract translation: 用于接收导体组件(71)的一部分的封闭件(1),包括可围绕导体组件(71)关闭的壳体(25),以及电极组件(200),其包括可移动部分,该可移动部分包括接触表面 )和用于感测电导体(80)的电压的感测电容器的第一电容器电极的感测电极(140)。 闭合件还包括用于将电极组件(200)的可移动部分推向导体组件(71)的推动装置(160),用于在接触表面(150)和导体组件(71)之间建立机械表面接触, 壳体(25)围绕导体组件(71)封闭。
-
公开(公告)号:US10345340B2
公开(公告)日:2019-07-09
申请号:US15106648
申请日:2014-12-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Mark Gravermann , Friedrich A. Busemann , Bernd Schubert , Gerhard Lohmeier , Andreea Sabo , Rainer Reeken , Michael H. Stalder , Christian Weinmann , Sebastian Eggert , Dipankar Ghosh , Myungchan Kang , Christopher D. Sebesta
Abstract: The invention relates to a voltage sensing device for a high and/or medium-voltage power-carrying conductor, the voltages sensing device comprising: • a carrier element (3) with a passageway for receiving the power-carrying conductor, • wherein the carrier element comprises an electrode (4) extending in an axial direction of the passageway of the carrier element and operable as a first electrode of the voltage sensing device, wherein • a conductor (1) of the power cable is operable as the second electrode of the voltage sensing device and wherein • the carrier element has a coefficient of thermal expansion that is less than 5×10^−6 1/K at 20 C.
-
公开(公告)号:US10027071B2
公开(公告)日:2018-07-17
申请号:US14898801
申请日:2014-06-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Mark Gravermann , Friedrich A. Busemann , Gerhard Lohmeier , Jens Weichold , Bernd Schubert , Giuliano Bolcato , Werner Roehling , Michael Petry
IPC: H01R24/38 , H01R13/53 , H01R43/16 , H01R13/66 , H01R101/00
CPC classification number: H01R24/38 , H01R13/53 , H01R13/6683 , H01R43/16 , H01R2101/00
Abstract: Cable connection device for connecting a power cable to an electrical installation of a power network, comprising a conductor element having a first end portion, a second end portion, and a middle portion disposed between the first and the second end portion. The conductor element comprises a connector socket arranged at the first end portion, for mating with a cable plug. The connector socket is integrally formed with the middle portion.
-
公开(公告)号:US10955442B2
公开(公告)日:2021-03-23
申请号:US16087768
申请日:2016-12-23
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Mark Gravermann , Gunther A. J. Stollwerck , Michael H. Stalder , Gerhard Lohmeier , Bernd Schubert , Rainer Reeken , Jens Weichold
Abstract: Elastic sleeve (1) for electrically insulating a HV/MV power conductor in a power network, comprising a) a shrinkable or expandable elastic sleeve body (10); b) a receiving space (20) in the sleeve body, for receiving the power conductor; c) a cavity (30) formed in the sleeve body; and d) a divider assembly (40), arranged, at least partially, in the cavity and comprising a plurality of discrete impedance elements, operable as a voltage divider for sensing a voltage of an inner conductor of the power conductor.
-
公开(公告)号:US10215778B2
公开(公告)日:2019-02-26
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
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.
-
公开(公告)号:US20160341768A1
公开(公告)日:2016-11-24
申请号:US15106648
申请日:2014-12-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Mark Gravermann , Friedrich A. Busemann , Bernd Schubert , Gerhard Lohmeier , Andreea Sabo , Rainer Reeken , Michael H. Stalder , Christian Weinmann , Sebastian Eggert , Dipankar Ghosh , Myungchan Kang , Christopher D. Sebesta
CPC classification number: G01R15/16 , G01R19/0084
Abstract: The invention relates to a voltage sensing device for a high and/or medium-voltage power-carrying conductor, the voltages sensing device comprising: • a carrier element (3) with a passageway for receiving the power-carrying conductor, • wherein the carrier element comprises an electrode (4) extending in an axial direction of the passageway of the carrier element and operable as a first electrode of the voltage sensing device, wherein • a conductor (1) of the power cable is operable as the second electrode of the voltage sensing device and wherein • the carrier element has a coefficient of thermal expansion that is less than 5x10̂−6 1/K at 20 C.
Abstract translation: 本发明涉及一种用于高和/或中压供电导体的电压感测装置,所述电压感测装置包括:•载体元件(3),其具有用于接收所述功率承载导体的通道,其中所述载体 元件包括沿着载体元件的通道的轴向延伸并可用作电压感测装置的第一电极的电极(4),其中电力电缆的导体(1)可操作为第二电极 电压感测装置,其中载体元件的热膨胀系数在20℃时小于5×10 -6 / K。
-
公开(公告)号:US09460832B2
公开(公告)日:2016-10-04
申请号:US14765440
申请日:2014-01-29
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Mark Gravermann , Gerhard Lohmeier , Michael Stalder , Friedrich Busemann , Jens Weichold , Bernd Schubert
IPC: H01B9/00 , H01R9/05 , H02G15/04 , H02G15/18 , G01R15/16 , H01B7/02 , H01B7/17 , H01B13/06 , H01B13/22 , H05K3/30 , G01R1/06
CPC classification number: H01B9/00 , G01R1/06 , G01R15/16 , H01B7/0216 , H01B7/17 , H01B13/06 , H01B13/22 , H01R9/0515 , H02G15/04 , H02G15/18 , H02G15/1806 , H05K3/30
Abstract: Sleeve (1) for a high- or medium-voltage power cable (120) having an inner conductor (130). The sleeve comprises (i) a tubular sleeve body (10) having an electrically conductive or semiconductive first axial electrode section (60), and (ii) a circuit board (30). The sleeve is radially expandable or shrinkable. It can be arranged radially outward of the inner conductor, such hat the first axial electrode section is radially separated from the inner conductor by at least an electrically insulating spacer layer (140). The circuit board is at least partially arranged radially outward of the sleeve body and comprises an electrical contact (100) which is electrically connected with the first axial electrode section.
Abstract translation: 一种用于具有内部导体(130)的高压或中压电力电缆(120)的套筒(1)。 套筒包括(i)具有导电或半导体的第一轴向电极部分(60)的管状套管主体(10)和(ii)电路板(30)。 套管是径向可膨胀或可收缩的。 第一轴向电极部分可以沿内部导体的径向外侧布置,至少一个电绝缘的间隔层(140),第一轴向电极部分与内部导体径向分开。 电路板至少部分地布置在套筒本体的径向外侧,并且包括与第一轴向电极部分电连接的电接触件(100)。
-
公开(公告)号:US20190086444A1
公开(公告)日:2019-03-21
申请号:US16087768
申请日:2016-12-23
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Mark Gravermann , Gunther A.J. Stollwerck , Michael H. Stalder , Gerhard Lohmeier , Bernd Schubert , Rainer Reeken , Jens Weichold
Abstract: Elastic sleeve (1) for electrically insulating a HV/MV power conductor in a power network, comprising a) a shrinkable or expandable elastic sleeve body (10); b) a receiving space (20) in the sleeve body, for receiving the power conductor; c) a cavity (30) formed in the sleeve body; and d) a divider assembly (40), arranged, at least partially, in the cavity and comprising a plurality of discrete impedance elements, operable as a voltage divider for sensing a voltage of an inner conductor of the power conductor.
-
公开(公告)号:US09739805B2
公开(公告)日:2017-08-22
申请号:US14897688
申请日:2014-06-19
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor: Mark Gravermann , Friedrich A. Busemann , Gerhard Lohmeier , Jens Weichold , Bernd Schubert , Michael H. Stalder , Pasquale Zanoli , Giuliano Bolcato
CPC classification number: G01R15/16 , G01R19/0084 , G01R27/26 , G01R27/2605 , G01R31/021 , G01R31/1272 , H01B7/02 , H01B9/006
Abstract: A conductor assembly for a power network includes an inner conductor defining radial and axial directions, an insulating layer arranged around at least an axial section of the inner conductor, and a sensing electrode arranged radially outward of the insulating layer. The sensing electrode is operable as a first electrode of a sensing capacitor of a capacitive voltage sensor, in which sensing capacitor the inner conductor is operable as a second electrode. The conductor assembly further includes an electrically insulating spacer element arranged radially between the insulating layer and the sensing electrode.
-
-
-
-
-
-
-
-
-