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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.
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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.
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公开(公告)号：US20220317158A1
公开(公告)日：2022-10-06
申请号：US17753328
申请日：2020-09-14
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Gunther A. J. Stollwerck , Mark Gravermann , Bernd Schubert , Christine B. Bund , Mirco Gunjaca , Jens Weichold , Johannes Fink , Michael H. Stalder , Sebastian Eggert-Richter , Harald Westkamp , Willy A. Ahlmann , Guenter M. Zilligen
Abstract: Voltage sensor (1) comprising a voltage divider (40) for sensing an AC voltage of a HV/MV power conductor (10). For adjusting the common overall impedance of the low-voltage portion of the voltage divider towards a desired impedance, the low-voltage portion (60) comprises one or more low-voltage impedance elements (110), a plurality of adjustment impedance elements (80) and a plurality of switches. In its connect state, each switch electrically connects an adjustment impedance element in parallel to at least one of the one or more low-voltage impedance elements (110). The overall impedance of the high-voltage portion (50) and the overall impedance of the low-voltage portion (60) of the voltage divider (40) are adapted such that, by bringing one or more of the switches (90) into their connect state, the voltage divider (40) has, for an AC voltage of between 5 and 25 kV phase-to-ground and a frequency of between 40 and 70 Hertz, a dividing ratio of 3077, of 6154, of 6769 or of 10 000.
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公开(公告)号：US20200278381A1
公开(公告)日：2020-09-03
申请号：US16646428
申请日：2018-09-28
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Harald Westkamp , Bernd Schubert , Mark Gravermann , Jens Weichold
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.
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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。
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Patent Agency Ranking
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.
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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.
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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。
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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）。
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公开(公告)号：US20220413016A1
公开(公告)日：2022-12-29
申请号：US17757123
申请日：2020-12-10
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： Mark Gravermann , Bernd Schubert , Gunther A. J. Stollwerck , Michael H. Stalder
Abstract: Voltage sensing device (1) for sensing an elevated voltage in a power distribution network, comprising a) a sensored insulation plug (10) comprising—a voltage sensor for sensing the elevated voltage, comprising a high-voltage contact; —a plug mating portion (50), shaped to mate the sensored insulation plug (10) with a corresponding socket mating portion of a separable connector, wherein the high-voltage contact is arranged in the plug mating portion (50) such that the high-voltage contact can be connected to the elevated voltage of the separable connector when the sensored insulation plug (10) is mated with the separable connector; b) a tubular insulating sleeve (20), comprising a socket mating portion (100) shaped as a socket mating portion of the separable connector and mated with the plug mating portion (50) of the insulation plug (10); c) a conductive rod (30) having a first end portion (120) for electrical connection to the power conductor, and an opposed second end portion, electrically connected to the high-voltage contact and arranged in the insulating sleeve (20).
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