DE710663C - Transformer or insulating oils - Google Patents
Transformer or insulating oilsInfo
- Publication number
- DE710663C DE710663C DEA77209D DEA0077209D DE710663C DE 710663 C DE710663 C DE 710663C DE A77209 D DEA77209 D DE A77209D DE A0077209 D DEA0077209 D DE A0077209D DE 710663 C DE710663 C DE 710663C
- Authority
- DE
- Germany
- Prior art keywords
- transformer
- insulating oils
- chlorinated
- insulating
- liquid
- 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
- 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
- H01B3/24—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 containing halogen in the molecules, e.g. halogenated oils
-
- 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
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
- C10M2211/022—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aliphatic
-
- 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
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/02—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
- C10M2211/024—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only aromatic
-
- 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
- C10M2211/00—Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2211/06—Perfluorinated 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
Description
Transformatoren- oder Isolieröle Die Erfindung bezieht sich auf flüssige Isolierstoffe, die in elektrischen Vorrichtungen, wie Transformatoren, Schaltern oder Kabeln für Kühl- und Isolierzwecke Verwendung finden, aber auch für nichtelektrische Zwecke, z. B. als Schmiermittel, gebraucht werden.Transformer or insulating oils The invention relates to liquids Insulating materials used in electrical devices such as transformers, switches or cables for cooling and insulating purposes are used, but also for non-electrical purposes Purposes, e.g. B. be used as a lubricant.
Die Verwendung von chlorierten Verbindungen für sich allein oder im Gemisch mit Mineralölen, insbesondere von Chlorbenzolen oder Chlordiphenylen, als Isolieröle in Tri.nsformatoren u. dgl. ist bekannt. Diese Stoffe haben an Stelle der Mineralöle bereits teilweise Eingang gefunden wegen .ihrer guten elektrischen Eigenschaften und auch durch das Bestreben, an Stelle der brennbaren Mineralöle unbrennbare Stoffe einzuführen. Die chlorierten Verbindungen zeigen aber noch Nachteile, da je nach dem Chlargehalt eine gewisse Brennbarkeit noch vorhanden ist, und zwar im umgekehrten Verhältnis der in dem Molekül vorhandenen Chloratome.The use of chlorinated compounds on their own or in the Mixture with mineral oils, especially of chlorobenzenes or chlorodiphenyls, as Insulating oils in transformers and the like are known. These substances have in place of the mineral oils have already found their way partly because of their good electrical properties Properties and also by striving to replace the combustible mineral oils import incombustible substances. However, the chlorinated compounds still have disadvantages, because, depending on the chlorine content, a certain flammability is still present, namely in the inverse proportion of the chlorine atoms present in the molecule.
Gemäß der Erfindung wird nun durch Zusätze von weniger als i o % chlorierter Olefine, insbesondere Trichloräthylen, die Bildung entzündbarer Gase in elektrischen Vorrichtungen, Transformatoren, Schaltern, Kabeln o. dgl., die mit den flüssigen Isolierstoffen aus halogenierten aromatischen Kohlenwasserstoffen gefüllt sind, verhindert.According to the invention, it is now chlorinated by additions of less than 10% Olefins, especially trichlorethylene, cause the formation of flammable gases in electrical Devices, transformers, switches, cables o. The like. That with the liquid Insulating materials made of halogenated aromatic hydrocarbons are filled, prevented.
Um aber auch die Möglichkeit schwacher Verbrennungen, die im elektrischen Lichtbogen doch noch auftreten können, auszuschließen, soll den flüssigen Isolierstoffen erfindungsgemäß ein kleiner Anteil chlorierter 0lefine zugegeben werden, die vorzugsweise Chlor und Wasserstoff in äquivalenten M.eingen enthalten und einen bestimmten Grad von Flüchtigkeit besitzen. Dieser Zusatz soll 1 o % nicht übersteigen. Es wurde gefunden, daß der vorhandene Gasraum über dem Flüssigkeitsspiegel zweckmäßig 2 bis 40/0 an aus denn Zusatzstoff entstandenen Dämpfen enthalten soll. Üblicherweise beträgt bei den Transformatoren der Luftraum über der Flüssigkeit nicht mehr als i o %. In solchen Fällen genügen bereits o,25 Gewichtsprozent an Zusatzstoff, um jede Verbrennung zu verhindern. Es eignen sich für diesen Zweck chloriierte Propylene, wie Trichlorpropylen, Kp. 142°, Tetrachlorpropylen, Äthylene, wie Dichloräthylen, Kp.37,5°, Tri:chloräthylen, Kp.87°, T:etrachloräthylen, Kp. 121', ferner auch Tetra- und Pentachlorbutylen. Diese Stoffe sind ausreichend flüchtig, um genügend Dämpfe zur Verhinderung der Entflammbarkeit zu entwickeln.But also about the possibility of weak burns in the electrical The liquid insulating materials are supposed to rule out electric arcs that can still occur according to the invention a small proportion of chlorinated olefins are added, which is preferably Chlorine and hydrogen contained in equivalent units and a certain degree of volatility. This addition should not exceed 1 o%. It was found that the existing gas space above the liquid level is expediently 2 to 40/0 of vapors resulting from the additive. Usually In the case of transformers, the air space above the liquid is no more than i o%. In such cases, 0.25 percent by weight of additive is sufficient to prevent any burns. Chlorinated propylenes are suitable for this purpose, such as trichloropropylene, bp 142 °, tetrachloropropylene, ethylene, such as dichloroethylene, Kp. 37.5 °, Tri: chloroethylene, Kp. 87 °, T: etrachlorethylene, Kp. 121 ', also tetra- and Pentachlorobutylene. These substances are sufficiently volatile to generate enough fumes to prevent flammability.
Es hat sich nämlich gezeigt, daß, wenn man den in einem eisernen Rohr von i 5 cm Durchmesser und 65 cm Länge auf i io bis i2° erhitzten Dampf der eingebrachten Menge (6o ccm) eines flüssigen Gemisches zu gleichen Teilen Trichlorbenzol und Pentachlordipheinyl einem elektrischen Lichtbogen aussetzt, ein Glimmen auftritt. Dieses Glimmere wird beseitigt, wenn dem Gemisch Trichloräthylen in solcher Menge zugesetzt wird, daß wenigstens 2% Dampf des Zusatzstoffes sich in dem Gasraum befindet. Bei reinem P@entachlordiphenyl zeigt sich das Glimmen bei höherer Temperatur; auch in diesem Falle wird es durch den Zusatz gemäß der Erfindung beseitigt.It has been shown that if you put it in an iron pipe from i 5 cm in diameter and 65 cm in length to i io to i2 ° heated steam of the introduced Amount (60 ccm) of a liquid mixture in equal parts of trichlorobenzene and pentachlorodipheinyl is exposed to an electric arc, a glow occurs. This glimmer will eliminated when trichlorethylene is added to the mixture in such an amount that at least 2% vapor of the additive is in the gas space. With pure P @ entachlorodiphenyl the glow appears at a higher temperature; in this case too it will go through eliminates the addition according to the invention.
Der geringe Zusatz der chlorierten Olefine _; trerschlechtert das erforderliche inerte Ver-1äTten, wie Korrosionsbeständigkeit, nicht. diese Zusatzstoffe, meist rnit geringer Vis-`@ösität, lassen .sich gut mit den Hauptstoffen mischen, ebenso sind die dielektrischen Eigenschaften derart, daß eine wesentliche Herabsetzung der elektrischen Werte nicht eintritt.The small addition of chlorinated olefins _; worsens that required inert Ver-1äTten, such as corrosion resistance, not. these additives, mostly with low viscosity, can be mixed well with the main substances, likewise the dielectric properties are such that a substantial degradation of the electrical values does not occur.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US710663XA | 1934-09-29 | 1934-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE710663C true DE710663C (en) | 1941-09-18 |
Family
ID=22099032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEA77209D Expired DE710663C (en) | 1934-09-29 | 1935-10-01 | Transformer or insulating oils |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE710663C (en) |
-
1935
- 1935-10-01 DE DEA77209D patent/DE710663C/en not_active Expired
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