FR2114984A1 - Electrical transformer - with solid insulation of sheets of wholly aromatic polyamide fibres - Google Patents

Electrical transformer - with solid insulation of sheets of wholly aromatic polyamide fibres

Info

Publication number
FR2114984A1
FR2114984A1 FR7041389A FR7041389A FR2114984A1 FR 2114984 A1 FR2114984 A1 FR 2114984A1 FR 7041389 A FR7041389 A FR 7041389A FR 7041389 A FR7041389 A FR 7041389A FR 2114984 A1 FR2114984 A1 FR 2114984A1
Authority
FR
France
Prior art keywords
sheets
aromatic polyamide
wholly aromatic
solid insulation
electrical transformer
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.)
Withdrawn
Application number
FR7041389A
Other languages
French (fr)
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
Priority to FR7041389A priority Critical patent/FR2114984A1/en
Publication of FR2114984A1 publication Critical patent/FR2114984A1/en
Withdrawn legal-status Critical Current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
    • 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
    • H01B3/48—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances fibrous materials
    • H01B3/485—Other fibrous materials fabric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/323—Insulation between winding turns, between winding layers

Abstract

Liquid dielectric in a tank contains at least one winding with immersed conductors. The solid insulator is about at least part of the winding and is impregnated by the liquid. The fibre sheet is in the form of paper. Pref. the liquid is a mineral or synthetic coil.
FR7041389A 1970-11-18 1970-11-18 Electrical transformer - with solid insulation of sheets of wholly aromatic polyamide fibres Withdrawn FR2114984A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7041389A FR2114984A1 (en) 1970-11-18 1970-11-18 Electrical transformer - with solid insulation of sheets of wholly aromatic polyamide fibres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7041389A FR2114984A1 (en) 1970-11-18 1970-11-18 Electrical transformer - with solid insulation of sheets of wholly aromatic polyamide fibres

Publications (1)

Publication Number Publication Date
FR2114984A1 true FR2114984A1 (en) 1972-07-07

Family

ID=9064358

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7041389A Withdrawn FR2114984A1 (en) 1970-11-18 1970-11-18 Electrical transformer - with solid insulation of sheets of wholly aromatic polyamide fibres

Country Status (1)

Country Link
FR (1) FR2114984A1 (en)

Similar Documents

Publication Publication Date Title
SE7410339L (en)
BR7503448A (en) ELECTRO-MAGNETIC COIL INSULATION PROCESS AND PROCESS FOR TREATING ISOLATED COIL SURFACE IMPREGNATED WITH POLYESTER RESIN
CH530072A (en) Insulating tape for the production of an insulating sleeve for electrical conductors, impregnated with a hot-curing epoxy resin mixture
FR2114984A1 (en) Electrical transformer - with solid insulation of sheets of wholly aromatic polyamide fibres
ES457859A1 (en) Electrical capacitor having an impregnated dielectric system
US2924264A (en) Laminated body and method of making the same
GB1108421A (en) Improvements relating to resin-bonded laminated-paper electrical insulation
GB1437400A (en) Electrically insulating connection element
CH484496A (en) Insulating tapes impregnated with reactive resin components for the production of winding insulation, especially high-voltage coils
GB1357130A (en) Coil for arrangement in slots in a stator or rotor of an electric machine
GB1402612A (en) Electrically insulating paper laminates and power cables incorpo rating them
FR2430652A1 (en) Synthetic paper for electrical insulation in oil - comprises nonwoven thermoplastic fibre sheet coated with lower melting polymer
JPS5664410A (en) Insulated inductance unit
CA954007A (en) Oil compensation system for electric power cables impregnated with insulating oil
GB1320176A (en) Electrical induction apparatus
FR2275007A1 (en) Insulation for windings of electromagnetic devices - layers of high temp. resistant polyamide fibres commercially known as nomex
GB646277A (en) Improvements in or relating to electrical insulators for carrying tensile loads
GB981385A (en) Improvements in or relating to insulated electric conductors and coils wound therefrom
DE3786335T2 (en) Pressboard with low dielectric constant for oil-impregnated insulation.
GB2064579B (en) Electrical structure having an oil impregnated paper insulation
GB1339151A (en) Electrical transformers
JPS56137605A (en) Superelectroconductive coil
GB690954A (en) Improvements in the manufacture of electric cables
SU538085A1 (en) Synthetic fiber impregnation paper
CH430858A (en) Process for the production of conductors, especially insulated with glass fiber, for high-voltage windings with synthetic resin-bonded, mica-containing main insulation

Legal Events

Date Code Title Description
ST Notification of lapse