ES2153176T3 - Control de tension electrica. - Google Patents

Control de tension electrica.

Info

Publication number
ES2153176T3
ES2153176T3 ES97900341T ES97900341T ES2153176T3 ES 2153176 T3 ES2153176 T3 ES 2153176T3 ES 97900341 T ES97900341 T ES 97900341T ES 97900341 T ES97900341 T ES 97900341T ES 2153176 T3 ES2153176 T3 ES 2153176T3
Authority
ES
Spain
Prior art keywords
voltage control
micrometers
cables
electrical voltage
particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
ES97900341T
Other languages
English (en)
Inventor
Christian Kemp
Georg Bachmaier
Hansjoerg Gramespacher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tyco Electronics Raychem GmbH
Original Assignee
Tyco Electronics Raychem GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10787085&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2153176(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tyco Electronics Raychem GmbH filed Critical Tyco Electronics Raychem GmbH
Application granted granted Critical
Publication of ES2153176T3 publication Critical patent/ES2153176T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • H02G15/064—Cable terminating boxes, frames or other structures with devices for relieving electrical stress
    • H02G15/068—Cable terminating boxes, frames or other structures with devices for relieving electrical stress connected to the cable shield only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/184—Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/184—Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress
    • H02G15/188—Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress connected to a cable shield only
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G15/00—Cable fittings
    • H02G15/02—Cable terminations
    • H02G15/06—Cable terminating boxes, frames or other structures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2958—Metal or metal compound in coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • Y10T428/31515—As intermediate layer
    • Y10T428/31522—Next to metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • Y10T428/31529—Next to metal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31678—Of metal
    • Y10T428/31692—Next to addition polymer from unsaturated monomers
    • Y10T428/31699—Ester, halide or nitrile of addition polymer

Landscapes

  • Thermistors And Varistors (AREA)
  • Saccharide Compounds (AREA)
  • Organic Insulating Materials (AREA)
  • Control Of Eletrric Generators (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Cable Accessories (AREA)
  • Insulated Conductors (AREA)
  • Details Of Television Scanning (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

UN COMPUESTO APLICABLE COMO CAPA DE CONTROL DEL ESFUERZO DIELECTRICO (12) CON DESTINO A JUNTAS Y TERMINACIONES DE CABLES TIENE UNA CARACTERISTICA V-I NO LINEAL. EL COMPUESTO COMPRENDE UNA MATRIZ POLIMERICA RELLENA DE POLVO DE VARISTOR DE OXIDO DE ZINC IMPURIFICADO. LAS PARTICULAS DE RELLENO SE TAMIZAN A 125 MICROMETROS, SE CALCINAN A 1.100 (GRADOS) C Y SE TRITURAN LIGERAMENTE PARA MANTENER SU FORMA ESFERICA. MAS DEL 50 % DE LAS PARTICULAS (EN PESO) TIENEN UNA DIMENSION MAXIMA DE ENTRE 5 Y 100 MICROMETROS.
ES97900341T 1996-01-16 1997-01-14 Control de tension electrica. Expired - Lifetime ES2153176T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9600819.8A GB9600819D0 (en) 1996-01-16 1996-01-16 Electrical stress control

Publications (1)

Publication Number Publication Date
ES2153176T3 true ES2153176T3 (es) 2001-02-16

Family

ID=10787085

Family Applications (1)

Application Number Title Priority Date Filing Date
ES97900341T Expired - Lifetime ES2153176T3 (es) 1996-01-16 1997-01-14 Control de tension electrica.

Country Status (17)

Country Link
US (1) US6124549A (es)
EP (1) EP0875087B1 (es)
JP (1) JP2000503454A (es)
KR (1) KR100431826B1 (es)
AT (1) ATE197859T1 (es)
AU (1) AU721772B2 (es)
BR (1) BR9707006A (es)
CA (1) CA2242547C (es)
DE (1) DE69703613T2 (es)
DK (1) DK0875087T3 (es)
ES (1) ES2153176T3 (es)
GB (1) GB9600819D0 (es)
IL (1) IL125206A (es)
NO (1) NO320650B1 (es)
PT (1) PT875087E (es)
RU (1) RU2168252C2 (es)
WO (1) WO1997026693A1 (es)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5863468A (en) * 1997-10-31 1999-01-26 Raychem Corporation Preparation of calcined ceramic powders
DE19800470A1 (de) * 1998-01-09 1999-07-15 Abb Research Ltd Widerstandselement
DE19824104B4 (de) * 1998-04-27 2009-12-24 Abb Research Ltd. Nichtlinearer Widerstand mit Varistorverhalten
DE19821239C5 (de) * 1998-05-12 2006-01-05 Epcos Ag Verbundwerkstoff zur Ableitung von Überspannungsimpulsen und Verfahren zu seiner Herstellung
GB2340988A (en) * 1998-06-05 2000-03-01 Quantum Corp Method and apparatus for electrostatic discharge protection in hard disk drives
FR2784494B1 (fr) * 1998-10-12 2000-11-10 Cit Alcatel Materiau adaptatif a composition ternaire utilisable dans des cables electriques
DE19857334A1 (de) * 1998-12-11 2000-06-15 Rxs Schrumpftech Garnituren Kabelgarnitur zum Schutz einer Kabelverbindung in der Mittelspannungstechnik
GB0103255D0 (en) * 2001-02-09 2001-03-28 Tyco Electronics Raychem Gmbh Insulator arrangement
DE50115800D1 (de) * 2001-07-02 2011-04-07 Abb Schweiz Ag Polymercompound mit nichtlinearer Strom-Spannungs-Kennlinie und Verfahren zur Herstellung eines Polymercompounds
EP1337022A1 (de) 2002-02-18 2003-08-20 ABB Schweiz AG Hüllkörper für ein Hochspannungskabel und Kabelelement, welches mit einem solchen Hüllkörper versehen ist
US6790063B2 (en) 2002-05-16 2004-09-14 Homac Mfg. Company Electrical connector including split shield monitor point and associated methods
US6905356B2 (en) * 2002-05-16 2005-06-14 Homac Mfg. Company Electrical connector including thermoplastic elastomer material and associated methods
US6796820B2 (en) * 2002-05-16 2004-09-28 Homac Mfg. Company Electrical connector including cold shrink core and thermoplastic elastomer material and associated methods
US7104822B2 (en) * 2002-05-16 2006-09-12 Homac Mfg. Company Electrical connector including silicone elastomeric material and associated methods
US6830475B2 (en) * 2002-05-16 2004-12-14 Homac Mfg. Company Electrical connector with visual seating indicator and associated methods
US7104823B2 (en) * 2002-05-16 2006-09-12 Homac Mfg. Company Enhanced separable connector with thermoplastic member and related methods
US6811418B2 (en) * 2002-05-16 2004-11-02 Homac Mfg. Company Electrical connector with anti-flashover configuration and associated methods
FR2867622B1 (fr) * 2004-03-09 2006-05-26 Nexans Materiau de controle de champ electrique
DE602004015567D1 (de) 2004-04-06 2008-09-18 Abb Research Ltd Elektrisches nichtlineares Material für Anwendungen mit hoher und mittlerer Spannung
EP1603141B1 (de) * 2004-06-04 2016-08-24 ABB Schweiz AG Gasisolierter Überspannungsableiter
EP1603140A1 (de) * 2004-06-04 2005-12-07 ABB Technology AG Aktivteil für einen gekapselten Überspannungsableiter
EP1736998A1 (en) * 2005-06-21 2006-12-27 Abb Research Ltd. Varistor field control tape
FR2898427A1 (fr) * 2006-03-08 2007-09-14 Nexans Sa Composition a haute permittivite pour cable elecrique ou dispositif de raccordement de tels cables
SE530587C2 (sv) * 2006-10-31 2008-07-15 Abb Research Ltd Elektriskt fältstyrande material
JP5150111B2 (ja) 2007-03-05 2013-02-20 株式会社東芝 ＺｎＯバリスター粉末
EP2039496A1 (en) * 2007-09-20 2009-03-25 ABB Research Ltd. A method of producing a rubber product
CN101330200B (zh) * 2007-09-21 2010-07-07 长园集团股份有限公司 热缩型电缆中间接头复合套管及其制造方法
TWI402864B (zh) * 2008-07-11 2013-07-21 Sfi Electronics Technology Inc 一種氧化鋅變阻器的製法
EP2375423A1 (en) * 2010-04-07 2011-10-12 ABB Research Ltd. Electrical bushing
WO2011144252A2 (en) * 2010-05-21 2011-11-24 Abb Research Ltd A high voltage direct current cable termination apparatus
WO2011144253A2 (en) 2010-05-21 2011-11-24 Abb Research Ltd A high voltage direct current cable termination apparatus
CN102906954B (zh) 2010-05-21 2016-02-17 Abb研究有限公司 高压直流电缆终端装置
CN103038965B (zh) 2010-05-21 2016-07-06 Abb研究有限公司 高压直流电缆终端装置
CN101916627B (zh) * 2010-07-30 2014-03-05 李志雄 一种塑覆厚壁金属管的生产工艺及生产设备
US8435427B2 (en) 2010-08-26 2013-05-07 3M Innovative Properties Company Compositions having non-linear current-voltage characteristics
US20120073830A1 (en) * 2010-09-24 2012-03-29 Weatherford/Lamb, Inc. Universal Backup for Swellable Packers
WO2012078488A1 (en) 2010-12-06 2012-06-14 3M Innovative Properties Company Composite diode, electronic device, and methods of making the same
EP2466596B1 (de) * 2010-12-16 2013-08-28 ABB Research Ltd. Bauteil mit Überspannungsschutz und Verfahren zu dessen Prüfung
DE102011079813A1 (de) 2011-07-26 2013-01-31 Siemens Aktiengesellschaft Spannungsbegrenzende Zusammensetzung
TWI425532B (zh) * 2011-11-29 2014-02-01 Leader Well Technology Co Ltd 一種使氧化鋅變阻器同時提高電位梯度及非線性係數的製法
CN102611067B (zh) * 2012-03-21 2014-08-20 哈尔滨理工大学 一种带非线性屏蔽层的高压电缆软接头
JP6293474B2 (ja) * 2013-01-18 2018-03-14 株式会社東芝 非直線抵抗塗料、母線および固定子コイル
EP3050184A4 (en) 2013-09-25 2017-05-24 3M Innovative Properties Company Compositions for electric field grading
JP6355492B2 (ja) 2013-10-03 2018-07-11 アルパッド株式会社 複合樹脂及び電子デバイス
EP2963654B1 (en) * 2014-06-30 2017-12-13 Nexans Field grading layer
WO2018102254A1 (en) 2016-12-02 2018-06-07 3M Innovative Properties Company Nonlinear composite compositions, methods of making the same, and articles including the same
WO2019012885A1 (ja) * 2017-07-13 2019-01-17 住友電気工業株式会社 非オーム性組成物およびその製造方法、ケーブル中間接続用ユニット並びにケーブル終端接続用ユニット
CN208078201U (zh) * 2018-03-21 2018-11-09 精进电动科技股份有限公司 一种高压线缆的接头结构
WO2019220345A1 (en) 2018-05-16 2019-11-21 3M Innovative Properties Company Electric field grading composition, methods of making the same, and composite articles including the same
KR102676932B1 (ko) 2019-01-18 2024-06-19 스미토모 덴키 고교 가부시키가이샤 비옴성 조성물, 케이블 접속용 유닛, 및 케이블 접속용 유닛의 제조 방법
US11939461B2 (en) 2019-01-18 2024-03-26 Sumitomo Electric Industries, Ltd. Non-ohmic composition, cable connection unit, and method for producing cable connection unit
EP3942574B1 (en) 2019-03-18 2023-11-15 3M Innovative Properties Company Multilayer electric field grading article, methods of making the same, and articles including the same
US11417442B2 (en) 2019-11-01 2022-08-16 Hamilton Sundstrand Corporation Field grading members, cables having field grading members, and methods of making field grading members
WO2021105319A1 (de) 2019-11-29 2021-06-03 Merck Patent Gmbh Partikulärer füllstoff, dessen herstellung und verwendung

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB902705A (en) * 1959-09-14 1962-08-09 Dow Corning High temperature siloxane composition
US3631519A (en) * 1970-12-21 1971-12-28 Gen Electric Stress graded cable termination
US3644662A (en) * 1971-01-11 1972-02-22 Gen Electric Stress cascade-graded cable termination
GB1526397A (en) * 1974-10-08 1978-09-27 Raychem Ltd Heat-recoverable article suitable for high voltage use
US4275261A (en) * 1978-01-11 1981-06-23 Trefimetaux End piece for high voltage cables
FR2454205A2 (fr) * 1978-11-21 1980-11-07 Pirelli Treficable Perfectionnements aux pieces d'extremite de cables electriques pour tensions elevees en elastomeres vario-resistants
FR2423036A1 (fr) * 1978-04-11 1979-11-09 Silec Liaisons Elec Mastic a resistance electrique non lineaire
US4297250A (en) * 1980-01-07 1981-10-27 Westinghouse Electric Corp. Method of producing homogeneous ZnO non-linear powder compositions
FR2480039A1 (fr) * 1980-04-02 1981-10-09 Silec Liaisons Elec Electrodes de reduction de contraintes electriques pour materiels de raccordement de cables d'energie sous ecran
JPS58157318A (ja) * 1982-03-10 1983-09-19 古河電気工業株式会社 ゴム・プラスチツク絶縁ケ−ブルの絶縁接続部
GB8303462D0 (en) * 1983-02-08 1983-03-16 Raychem Gmbh Electrical stress control
US4551915A (en) * 1983-04-06 1985-11-12 Raychem Corporation Method for terminating a high voltage cable
FR2547451B1 (fr) * 1983-06-13 1986-02-28 Electricite De France Materiau composite a resistance electrique non lineaire, notamment pour la repartition du potentiel dans les extremites de cables
US4731199A (en) * 1983-11-09 1988-03-15 Mitsuboshi Belting Ltd. Ultra high molecular weight concurrently sintered and cross-linked polyethylene product
ZA856662B (en) * 1984-08-31 1987-05-27 Raychem Corp Heat stable polymeric gelloids
JPS62135515A (ja) * 1985-12-09 1987-06-18 Idemitsu Petrochem Co Ltd 導電性重合体組成物
US5098752A (en) * 1990-04-17 1992-03-24 Raychem Corporation Recoverable elastomeric sleeve and method for installation and use
EP0502483A3 (en) * 1991-03-05 1993-01-20 Matsushita Electric Industrial Co., Ltd. Static dissipative resin composition
US5589274A (en) * 1994-05-13 1996-12-31 Hughes Electronics Thermal control coating

Also Published As

Publication number Publication date
DE69703613D1 (de) 2001-01-04
IL125206A (en) 2003-10-31
CA2242547C (en) 2005-03-22
KR19990077293A (ko) 1999-10-25
IL125206A0 (en) 1999-03-12
EP0875087A2 (en) 1998-11-04
PT875087E (pt) 2001-03-30
AU721772B2 (en) 2000-07-13
GB9600819D0 (en) 1996-03-20
DK0875087T3 (da) 2001-01-22
EP0875087B1 (en) 2000-11-29
AU1392597A (en) 1997-08-11
ATE197859T1 (de) 2000-12-15
BR9707006A (pt) 1999-07-20
RU2168252C2 (ru) 2001-05-27
KR100431826B1 (ko) 2004-07-16
WO1997026693A1 (en) 1997-07-24
CA2242547A1 (en) 1997-07-24
JP2000503454A (ja) 2000-03-21
DE69703613T2 (de) 2001-06-21
NO983273L (no) 1998-09-16
US6124549A (en) 2000-09-26
NO983273D0 (no) 1998-07-15
NO320650B1 (no) 2006-01-09

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