公开(公告)号：WO2015095158A1

公开(公告)日：2015-06-25

申请号：PCT/US2014/070540

申请日：2014-12-16

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GRAVERMANN, Mark ,  BUSEMANN, Friedrich ,  SCHUBERT, Bernd ,  LOHMEIER, Gerhard ,  SABO, Andreea ,  REEKEN, Rainer ,  STALDER, Michael ,  WEINMANN, Christian ,  EGGERT, Sebastian ,  GHOSH, Dipankar ,  KANG, Myungchan ,  SEBESTA, Christopher D.

IPC: G01R19/00 ,  G01R15/14

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 5x10^-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 -6 / K。

公开(公告)号：WO2014209738A1

公开(公告)日：2014-12-31

申请号：PCT/US2014/043126

申请日：2014-06-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GRAVERMANN, Mark ,  BUSEMANN, Friedrich ,  LOHMEIER, Gerhard ,  WEICHOLD, Jens ,  SCHUBERT, Bernd ,  STALDER, Michael H. ,  ZANOLI, Pasquale ,  BOLCATO, Guiliano

IPC: H01B7/00 ,  H01R43/00

CPC classification number: G01R15/16 ,  G01R19/0084 ,  G01R27/26 ,  G01R27/2605 ,  G01R31/021 ,  G01R31/1272 ,  H01B7/02 ,  H01B9/006

Abstract: Conductor assembly (1) for a power network, which comprises - an inner conductor (5) defining radial and axial directions, - an insulating layer (10) arranged around at least an axial section of the inner conductor, and - a sensing electrode (40), arranged radially outward of the insulating layer, and 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 comprises an electrically insulating spacer element (25), arranged radially between the insulating layer and the sensing electrode.

Abstract translation: 一种用于电力网络的导体组件（1），其包括 - 限定径向和轴向方向的内部导体（5）， - 围绕所述内部导体的至少一个轴向部分布置的绝缘层（10），以及 - 感测电极 40），其布置在绝缘层的径向外侧，并且可操作为电容式电压传感器的感测电容器的第一电极，其中感测电容器内部导体可操作为第二电极。 导体组件还包括电绝缘隔离元件（25），其布置在绝缘层和感测电极之间的径向上。

公开(公告)号：WO2015095150A1

公开(公告)日：2015-06-25

申请号：PCT/US2014/070530

申请日：2014-12-16

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GRAVERMANN, Mark ,  EGGERT, Sebastian ,  PETRY, Michael ,  ROEHLING, Werner ,  BUSEMANN, Friedrich ,  SCHUBERT, Bernd ,  LOHMEIER, Gerhard ,  STALDER, Michael H. ,  WEICHOLD, Jens ,  REEKEN, Rainer ,  SABO, Andreea ,  WEINMANN, Christian ,  GHOSH, Dipankar ,  KANG, Myungchan ,  SEBESTA, Christopher D.

IPC: G01R19/00

CPC classification number: G01R15/16 ,  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）。 电压感测装置包括：a）径向内部电极（20），其可操作为用于感测电力承载导体的电压的感测电容器的第一感测电极，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：WO2014120792A1

公开(公告)日：2014-08-07

申请号：PCT/US2014/013629

申请日：2014-01-29

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： GRAVERMANN, Mark ,  LOHMEIER, Gerhard ,  STALDER, Michael ,  BUSEMANN, Friedrich ,  WEICHOLD, Jens ,  SCHUBERT, Bernd

IPC: G01R31/02

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）。