BE504293A - - Google Patents
Info
- Publication number
- BE504293A BE504293A BE504293DA BE504293A BE 504293 A BE504293 A BE 504293A BE 504293D A BE504293D A BE 504293DA BE 504293 A BE504293 A BE 504293A
- Authority
- BE
- Belgium
- Prior art keywords
- cables
- insulating
- oils
- insulating oils
- solvent
- Prior art date
Links
- 239000003921 oil Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N al2o3 Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 238000005804 alkylation reaction Methods 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000499 gel Substances 0.000 claims 1
- 239000000377 silicon dioxide Substances 0.000 claims 1
- 238000004061 bleaching Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- AUZONCFQVSMFAP-UHFFFAOYSA-N Disulfiram Chemical compound CCN(CC)C(=S)SSC(=S)N(CC)CC AUZONCFQVSMFAP-UHFFFAOYSA-N 0.000 description 1
- 206010014357 Electric shock Diseases 0.000 description 1
- 230000000274 adsorptive Effects 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M3/00—Liquid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single liquid substances
-
- 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
- H01B3/20—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
- H01B3/22—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/06—Well-defined aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/16—Dielectric; Insulating oil or insulators
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/17—Electric or magnetic purposes for electric contacts
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
- Lubricants (AREA)
Description
<Desc/Clms Page number 1>
EMI1.1
PROCEDE D'OBTENTION DB'fTIIES ISOLANTES POUR CABLES.
Dans la fabrication de câbles à hautes et à basses tensions il
EMI1.2
est connu d9utiliser des huiles isolantes pour 19.mpégatior- ds L'isolement en papier séché. Pour-des câbles de masse et des câblea. de-pression, on a besoin d'huiles isolantes visqueuses et pour des câbles à¯l-,9huile-d9huiles isolantes fluides <-Qn- impose aux propriétés électriques- de ces- huiles iso- lantes telles que le facteur de perte diélectrique.:
la conductibilité., la résistance aux décharges électriques etc., des exigences détsuée qui-, dépendent du genre de câble et des sollicitations auxquelles est soumis le
EMI1.3
diélectrique du câble terminé., Lors des examenS- -de réception- du câble- fixais on attache une importance particulière par exemple à des- faibles valeurs du
EMI1.4
facteur de perte de J.isolè1ilènt huile-papier du câble. Les spécifications du "Verband Deutscher- Elektrotechniker (Association des Ingénieurs-- Electriciens allemands), (?DE) ainsi que les spécifications d'autres pays par exemple en Hollande.9 en Suiesèj; en Grande-bretagne etc. donnent des valeurs minima précises devant être observées dans tous les cas.
Quand on-utilise les huiles isolantes pour câbles usuelles dis- ponibles sur le marché et provenant d'huiles de base auxquelles on mélange. des résines, on ne peut que difficilement maintenir les valeurs minima mentionnées dit facteur de perte, surtout, en ce qui concerne les spécifica-
EMI1.5
tions valables. à..JJ' étranger 0 L'idée de 1.9 invention' a pour but de mettre au point des huiles isolantes pour câbles qui présentent des propriétés électriques notablement
EMI1.6
meilleures que juxqu'à présent particulièrement en- ce qui concerne le fac- teur de perte diélectrique.
EMI1.7
L'invention est basée sur la soastata-tion surprenante que les produits obtenus lors de 1'aH'lation d9hydrocarbures aromatiquza- e ayant un poids moléculaire supérieur à 500.. conviennent 'particulièrement bien après un traitement appropriée comme produits de départ pour des huiles isolantes
<Desc/Clms Page number 2>
pour câbles),) de grande valeur et ayant des propriétés électriques qui n'ont pas encore été atteintes jusqu'à présente
On purifie ces substances qui peuvent être obtenues par des pro-
EMI2.1
cédés connus au moyen d-agents d9adsorptior9 comme par exemple des terres de blanchiments des*els de silices et des oxydes d9alumînîum,, dont la te- neur en eau ne peut dépasser une valeur maximum,, éventuellement en présence d'un solvant,
"a des températures normales au7élevées et on peut dèfLlors. les utiliser comme huiles isolantes pour câbles.
On peut utiliser comme-, solvant des fractions d9hydrocarbures qui bouillent dans l'intervalle de 50 a 120 Co Ex leo- On traite un-produit résiduaire obtenu lors de 19alkylation de benzol ou de naphtaline., et ayant une viscosité de 1200 est a 50 à une température supérieure à 80 par environ 10% de terres de blanchiment. Après filtration.\) on obtient un produit qui convient comme huile isolante de câ- dont la viscosité n'est pas notablement modifiée et qui possède un fac-
EMI2.2
teur de perte diélectrique- dans le domaine de- températures noxal. infé- rieur à 5.10-4.
<Desc / Clms Page number 1>
EMI1.1
PROCESS FOR OBTAINING INSULATING DB'fTIIES FOR CABLES.
In the manufacture of high and low voltage cables it
EMI1.2
It is known to use insulating oils to impregnate dried paper insulation. For-ground cables and cables a. Viscous insulating oils are required and for cables with fluid insulating oils -Qn- imposes on the electrical properties of these insulating oils such as the dielectric loss factor. :
conductivity, resistance to electric shocks etc., specific requirements which depend on the type of cable and the stresses to which the
EMI1.3
dielectric of the finished cable., During the examination S- -reception- of the cable- special importance is attached, for example to- low values of the
EMI1.4
cable loss factor of oil-paper insulation. The specifications of the "Verband Deutscher-Elektrotechniker (Association of German Engineers - Electricians), (? DE) as well as the specifications of other countries for example in Holland. 9 in Suiesèj; in Great Britain etc. give precise minimum values to be observed in all cases.
When using the usual insulating oils for cables available on the market and coming from base oils with which they are mixed. resins, it is difficult to maintain the minimum values mentioned known as the loss factor, especially, as regards the specifica-
EMI1.5
valid statements. à..JJ 'foreign 0 The idea of 1.9 invention' aims to develop insulating oils for cables which have significant electrical properties.
EMI1.6
better than hitherto particularly with regard to the dielectric loss factor.
EMI1.7
The invention is based on the surprising soastation that the products obtained during the aHlation of aromatic hydrocarbons having a molecular weight greater than 500 are particularly suitable after suitable processing as starting materials for oils. insulating
<Desc / Clms Page number 2>
for cables),) of great value and having electrical properties that have not yet been achieved
These substances are purified which can be obtained by means of
EMI2.1
ceded by means of adsorptive agents such as, for example, bleaching earths, silica salts and aluminum oxides, the water content of which cannot exceed a maximum value, possibly in the presence of a solvent,
"at normal to high temperatures and can therefore be used as insulating oils for cables.
Hydrocarbon fractions which boil in the range of 50 to 120 Co can be used as the solvent. A waste product obtained in the alkylation of benzol or naphthalene having a viscosity of 1200 is 50 to 50 is treated. at a temperature above 80 by about 10% bleaching earth. After filtration. \) A product is obtained which is suitable as an insulating oil of which the viscosity is not appreciably changed and which has a characteristic
EMI2.2
dielectric lossor in the noxal temperature range. less than 5.10-4.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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BE504293A true BE504293A (en) |
Family
ID=145197
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE504293D BE504293A (en) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE504293A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0000622A1 (en) * | 1977-07-21 | 1979-02-07 | Gulf Research & Development Company | Liquid dielectric composition |
EP0000621A1 (en) * | 1977-07-21 | 1979-02-07 | Gulf Research & Development Company | Liquid dielectric composition |
EP0000619A1 (en) * | 1977-07-21 | 1979-02-07 | Gulf Research & Development Company | Liquid dielectric composition |
-
0
- BE BE504293D patent/BE504293A/fr unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0000622A1 (en) * | 1977-07-21 | 1979-02-07 | Gulf Research & Development Company | Liquid dielectric composition |
EP0000621A1 (en) * | 1977-07-21 | 1979-02-07 | Gulf Research & Development Company | Liquid dielectric composition |
EP0000619A1 (en) * | 1977-07-21 | 1979-02-07 | Gulf Research & Development Company | Liquid dielectric composition |
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