GB1339246A - Electrical apparatus - Google Patents

Electrical apparatus

Info

Publication number
GB1339246A
GB1339246A GB2145272A GB2145272A GB1339246A GB 1339246 A GB1339246 A GB 1339246A GB 2145272 A GB2145272 A GB 2145272A GB 2145272 A GB2145272 A GB 2145272A GB 1339246 A GB1339246 A GB 1339246A
Authority
GB
United Kingdom
Prior art keywords
polybutadiene
liquid
insulating materials
dicumyl peroxide
styrene
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
GB2145272A
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1339246A publication Critical patent/GB1339246A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/06Insulating conductors or cables
    • H01B13/14Insulating conductors or cables by extrusion
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/10Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
    • H01B3/105Wires with oxides
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes

Abstract

1339246 Insulating materials WESTING- HOUSE ELECTRIC CORP 8 May 1972 [24 May 1971 14 April 1972] 21452/72 Heading C3P [Also in Division H1] The following mixtures, inter alia, are cured in moulds to make insulating materials suitable for use in contact with hot transformer oils: (a) 1,2-polybutadiene mixed with styrene or t-butyl styrene; (b) liquid 1,2-polybutadiene, surface-oxidized polypropylene fibres and dicumyl peroxide; and (c) liquid 1,2-polybutadiene, divinyl benzene, polyethylene terephthalate fibres and dicumyl peroxide.
GB2145272A 1972-04-14 1972-05-08 Electrical apparatus Expired GB1339246A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24418372A 1972-04-14 1972-04-14

Publications (1)

Publication Number Publication Date
GB1339246A true GB1339246A (en) 1973-11-28

Family

ID=22921696

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2145272A Expired GB1339246A (en) 1972-04-14 1972-05-08 Electrical apparatus

Country Status (2)

Country Link
US (1) US3775719A (en)
GB (1) GB1339246A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3866086A (en) * 1972-06-28 1975-02-11 Matsushita Electric Ind Co Ltd Flyback transformer apparatus
US4219791A (en) * 1978-11-24 1980-08-26 Westinghouse Electric Corp. Electrical inductive apparatus
US4275319A (en) * 1979-06-01 1981-06-23 Trw Inc. Oil-filled submergible electric pump motor with improved stator winding insulation
US4447796A (en) * 1982-04-05 1984-05-08 Mcgraw-Edison Company Self-adjusting spacer
US5936503A (en) * 1997-02-14 1999-08-10 Asea Brown Boveri Ab Controllable inductor
DE10020228A1 (en) * 2000-04-25 2001-10-31 Abb Research Ltd High voltage insulation system
WO2004086428A1 (en) * 2003-03-26 2004-10-07 Kompozitor Muanyagipari Fejleszto Kft. Procedure for the preparation of the supporting structure between the iron core and the core tube of transformers
DE602004026792D1 (en) * 2004-12-27 2010-06-02 Abb Technology Ag ELECTRICAL INDUCTION DEVICE FOR HIGH VOLTAGE APPLICATIONS
SE529250C2 (en) * 2005-09-29 2007-06-12 Abb Technology Ltd Transformer with optimized spacers
EP2359930A1 (en) * 2005-12-16 2011-08-24 Dow Global Technologies LLC A polymer prepared in the presence of metal complexes bearing a polydentate heteroatom ligand
KR100927685B1 (en) * 2008-09-01 2009-11-20 제룡산업 주식회사 Manufacturing method of ground-buried typesolid insulation transformer
BR112013010766A2 (en) * 2010-11-03 2019-09-24 Abb Technology Ag life expectancy of a transformer
US20140361861A1 (en) * 2013-06-11 2014-12-11 Abb Technology Ag Radial Drop Winding For Open-Wound Medium Voltage Dry Type Transformers
CN107680786B (en) * 2017-10-19 2023-09-19 广东敞开电气有限公司 Coil structure of dry-type transformer and winding method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078139A (en) * 1958-10-31 1963-02-19 Union Carbide Corp Process for producing polystyrene fibers
US3548354A (en) * 1969-06-24 1970-12-15 Westinghouse Electric Corp Transformer having ventilating passages
US3611225A (en) * 1970-06-24 1971-10-05 Westinghouse Electric Corp Electrical inductive apparatus having liquid and solid dielectric means

Also Published As

Publication number Publication date
US3775719A (en) 1973-11-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee