GB1339246A - Electrical apparatus - Google Patents
Electrical apparatusInfo
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
- H01B3/105—Wires with oxides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators 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
- H01B3/44—Insulators 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
- H01B3/441—Insulators 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.
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)
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)
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 |
-
1972
- 1972-04-14 US US00244183A patent/US3775719A/en not_active Expired - Lifetime
- 1972-05-08 GB GB2145272A patent/GB1339246A/en not_active Expired
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 |