GB2110479B - Electrical bushing and method of manufacture thereof - Google Patents

Electrical bushing and method of manufacture thereof

Info

Publication number
GB2110479B
GB2110479B GB08226681A GB8226681A GB2110479B GB 2110479 B GB2110479 B GB 2110479B GB 08226681 A GB08226681 A GB 08226681A GB 8226681 A GB8226681 A GB 8226681A GB 2110479 B GB2110479 B GB 2110479B
Authority
GB
United Kingdom
Prior art keywords
flange
stress
insulating layer
conductor
layer
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
Application number
GB08226681A
Other versions
GB2110479A (en
Inventor
Joel Leigh Fritsche
William Trevor Link
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.)
Raychem Corp
Original Assignee
Raychem Corp
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
Application filed by Raychem Corp filed Critical Raychem Corp
Publication of GB2110479A publication Critical patent/GB2110479A/en
Application granted granted Critical
Publication of GB2110479B publication Critical patent/GB2110479B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/26—Lead-in insulators; Lead-through insulators
    • H01B17/28—Capacitor type

Abstract

An electric bushing comprises an electrical conductor (6), a first insulating layer (12) on the conductor, a stress grading layer (14) over the insulating layer, and an outer insulating layer (4) mechanically connected to a flange (2) which is electrically connected to the stress grading layer in such a manner that minimal, if any, mechanical stress is transmitted from the flange (2) to the stress-grading layer (14). The flange (2) serves to mount the bushing on to the metal housing of an electrical apparatus, such as switchgear or transformers. The flange (2) is of metal or contains a metal element and is electrically connected to the housing, when installed, making an electrical connection between the housing and the stress grading layer (14). The outer insulating layer (4) is sealed to the end regions (8, 10) of the electrical conductor (6) providing mechanical attachment between the conductor (6) and the flange (2) which secures the bushing to the electrical apparatus.
GB08226681A 1981-09-21 1982-09-20 Electrical bushing and method of manufacture thereof Expired GB2110479B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30423381A 1981-09-21 1981-09-21

Publications (2)

Publication Number Publication Date
GB2110479A GB2110479A (en) 1983-06-15
GB2110479B true GB2110479B (en) 1985-10-23

Family

ID=23175632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08226681A Expired GB2110479B (en) 1981-09-21 1982-09-20 Electrical bushing and method of manufacture thereof

Country Status (5)

Country Link
EP (1) EP0075471B1 (en)
JP (1) JPS58131610A (en)
AT (1) ATE18823T1 (en)
DE (1) DE3270131D1 (en)
GB (1) GB2110479B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1284667C (en) 1985-07-19 1991-06-04 Neil Lawrence Holt Double-walled article containing lubricant
GB8608484D0 (en) * 1986-04-08 1986-05-14 Raychem Gmbh Electrical apparatus
GB8630335D0 (en) * 1986-12-19 1987-01-28 Raychem Gmbh Hv cables
ITVI20060166A1 (en) * 2006-06-05 2007-12-06 Comem Spa THROUGH INSULATOR FOR ELECTRIC TRANSFORMERS
EP2095378A1 (en) * 2006-12-20 2009-09-02 ABB Research LTD A bushing and a method for producing the same
JP6230491B2 (en) * 2014-06-13 2017-11-15 新日鉄住金エンジニアリング株式会社 Penetration insulator for electric dust collector and electric dust collector
DE102018206148B4 (en) * 2018-04-20 2023-05-17 Siemens Aktiengesellschaft Control electrode and bushing for medium-voltage systems and high-voltage systems
SE543113C2 (en) * 2019-02-11 2020-10-06 Hm Power Ab Elastic tubular high-voltage insulating body
DE102020213476A1 (en) * 2020-10-27 2022-04-28 Siemens Energy Global GmbH & Co. KG Bushing arrangement and method for its production, transformer and use

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1503073A (en) * 1919-05-05 1924-07-29 Steinberger Louis Insulated connecter
GB793974A (en) * 1955-10-28 1958-04-23 British Thomson Houston Co Ltd Improvements relating to electric insulating bushing assemblies
DE1162901B (en) * 1956-10-10 1964-02-13 Westinghouse Electric Corp Implementation for high voltage and process for their production
US3312776A (en) * 1966-04-04 1967-04-04 Components For Res Inc Insulated conductor and method of fabricating the same
US3646251A (en) * 1970-12-08 1972-02-29 Westinghouse Electric Corp Electrical bushing having stress-grading layer disposed within solid insulation including a ground layer term inated at each end with a layer of material having a voltage-dependent resistivity
GB1433129A (en) * 1972-09-01 1976-04-22 Raychem Ltd Materials having non-linear resistance characteristics
JPS508513A (en) * 1973-05-18 1975-01-29
JPS515194A (en) * 1974-07-02 1976-01-16 Ota Takuo HIKIDOJO

Also Published As

Publication number Publication date
EP0075471A1 (en) 1983-03-30
GB2110479A (en) 1983-06-15
EP0075471B1 (en) 1986-03-26
JPS58131610A (en) 1983-08-05
DE3270131D1 (en) 1986-04-30
ATE18823T1 (en) 1986-04-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970920