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DE952455C - Process for the manufacture of high voltage electrical cables - Google Patents

Process for the manufacture of high voltage electrical cables

Info

Publication number
DE952455C
DE952455C DES31925D DES0031925D DE952455C DE 952455 C DE952455 C DE 952455C DE S31925 D DES31925 D DE S31925D DE S0031925 D DES0031925 D DE S0031925D DE 952455 C DE952455 C DE 952455C
Authority
DE
Germany
Prior art keywords
catalysts
cable core
conductor
manufacture
high voltage
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
DES31925D
Other languages
German (de)
Inventor
Dr Phil Harry Heering
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Priority to DES31925D priority Critical patent/DE952455C/en
Application granted granted Critical
Publication of DE952455C publication Critical patent/DE952455C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01B3/16Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances gases
    • 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
    • H01B13/30Drying; Impregnating

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Insulating Materials (AREA)

Description

Verfahren zur Herstellung elektrischer Hochspannungskabel Elektrische Hochspannungskabel besitzen meist eine aus tränkbaren Stoffen aufgebaute Isolierung, die mit geeigneten, mehr oder weniger zähflüssigen Tränkmitteln getränkt ist. Es ist bereits bekannt, für die Tränkung der Isolierung solcher Kabel monomere oder niederpolymere polymerisierbare Stoffe zu verwenden und dabei die in üblicher Weise mit .dem tränkbaren Stoff isolierte und mit einem Schutzmantel umhüllte Kabelseele nach erfolgter Trocknung und Evakuierung mit dem polymerisierbaren Stoff zu durchtränken, der dann in der Kabelseele auspolymerisiert wird.Process for the manufacture of electrical high voltage cables Electrical High-voltage cables usually have an insulation made up of impregnable substances, which is soaked with suitable, more or less viscous impregnating agents. It is already known for the impregnation of the insulation of such cables or monomers To use low-polymer polymerizable substances and thereby in the usual way Cable core insulated with the soakable material and covered with a protective sheath after drying and evacuation to impregnate with the polymerizable material, which is then polymerized in the cable core.

Während nun hierfür bisher nur flüssige polymerisierbare Stoffe verwendet wurden, wird gemäß der Erfindung hierfür ein gasförmiger polymerisierbarer Stoff gewählt. Beispielsweise kommen für diesen Zweck Butadien, Isobutylen, Vinylchlorid oder Äthylen in Betracht. Solche in monomerer Form gasförmigen Stoffe können infolge ihrer geringen Viskosität in jeden Hohlraum eindringen, und ermöglichen dadurch eine gute Tränkung des Kabels.While only liquid polymerizable substances have been used for this up to now according to the invention, a gaseous polymerizable substance is used for this purpose chosen. For example, butadiene, isobutylene, vinyl chloride can be used for this purpose or ethylene into consideration. Such substances, which are gaseous in monomeric form, can result their low viscosity penetrate into every cavity, and thereby allow a good soak of the cable.

Das polymerisierbare Gas wird von den Enden des Kabels oder einer anderen geeigneten Stelle mittels Druckflaschen in das Kabel eingeführt und die Polymerisation durch Druckanwendung eingeleitet. Die Vorratsgefäße müssen dabei so lange angeschlossen bleiben und unter Druck gehalten werden, bis die Polymerisation unter Ausfüllung aller Hohlräume beendet ist.The polymerizable gas is from the ends of the cable or a inserted into the cable at another suitable point by means of pressure bottles and the Polymerization initiated by application of pressure. The storage vessels must be stay connected and pressurized for so long will, until the polymerization has ended with all cavities being filled.

Zur Unterstüzung der Polymerisation des Tränkmittels kann die Kabellänge in an sich bekannter Weise von außen oder vom Leiter her z. B. durch Ausnutzung der Stromwärme oder auch von beiden Seiten gleichzeitig erwärmt werden.To support the polymerization of the impregnating agent, the cable length in a known manner from the outside or from the head z. B. through exploitation the electricity or from both sides at the same time.

Die Polymerisation kann jedoch auch durch geeignete Katalysatoren angeregt werden. Besonders vorteilhaft sind zu diesem Zweck feste Katalysatoren, die, falls sie selbst keinen Isolierstoff darstellen, innerhalb der Leiter untergebracht werden können, so daß sie sich nicht im elektrischen Feld befinden.However, the polymerization can also be carried out using suitable catalysts be stimulated. Solid catalysts are particularly advantageous for this purpose, which, if they are not themselves an insulating material, are housed within the ladder can be so that they are not in the electric field.

Durch das Verfahren gemäß der Erfindung kann eine homogene Kabelisolierung erzielt werden, die sehr günstige Ausdehnungsverhältnisse aufweist, so daß das Entstehen von Glimmentladungen innerhalb der Isolierung nicht zu befürchten ist. Nach dem Verfahren gemäß der Erfindung hergestellte Kabellängen lassen sich in der gleichen Weise leicht mit gut isolierten einwandfreien Verbindungsstellen versehen.A homogeneous cable insulation can be achieved by the method according to the invention can be achieved, which has very favorable expansion ratios, so that the emergence of glow discharges within the insulation is not to be feared. After this Cable lengths manufactured according to the invention can be in the same Easily provided with well-insulated, flawless connection points.

Claims (3)

PATENTANSPRÜCHE: i. Verfahren zur Herstellung elektrischer Hochspannungskabel mit getränkter Isolierung, wobei die in üblicher Weise mit einem tränkbaren Stoff isolierte und mit einem Schutzmantel umhüllte Kabelseele nach erfolgter Tröcknung und Evakuierung mit einem monomeren bzw. niederpolymeren polymerisierbaren Stoff durchtränkt wird, der in der Kabelseele auspolymerisiert wird, dadurch gekennzeichnet, daß zur Tränkung ein gasförmiger polymerisierbarer Stoff, z. B. Butadien, Isobutylen, Vinylchlorid oder Äthylen, verwendet wird. PATENT CLAIMS: i. Process for the production of electrical high-voltage cables with impregnated insulation, whereby the cable core, which is insulated in the usual way with an impregnable substance and covered with a protective jacket, is soaked with a monomeric or low-polymer polymerizable substance which is fully polymerized in the cable core after drying and evacuation that for impregnation a gaseous polymerizable substance, for. B. butadiene, isobutylene, vinyl chloride or ethylene is used. 2. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß die Polymerisierung durch Ausnutzung der Stromwärme im Leiter bzw. in den Leitern erfolgt. 2. The method according to claim i, characterized characterized in that the polymerisation is achieved by utilizing the heat of the current in the conductor or in the ladders. 3. Verfahren nach Anspruch i, dadurch gekennzeichnet, daß zur Einleitung der PolymerisierungKatalysatoren verwendet werden, welche vorzugsweise in dem Leiter bzw. in den Leitern untergebracht sind. In Betracht gezogene Druckschriften: Britische Patentschrift Nr. 454923; französische Patentschriften Nr. 849 166,844723; USA.-Patentschrift Nr. 2 145 350; Stäger, »Elektrische Isoliermaterialien«, 193i. Entgegengehaltene ältere Rechte: Patentanmeldung 132201 VIII d/21 c 7/52.3. The method according to claim i, characterized in that catalysts are used to initiate the polymerization, which catalysts are preferably accommodated in the conductor or in the conductors. References considered: British Patent No. 454923; French Patent Specification No. 849 166,844723; U.S. Patent No. 2,145,350 ; Stäger, "Electrical Isolation Materials," 193i. Cited earlier rights: Patent application 132201 VIII d / 21 c 7/52.
DES31925D 1940-01-27 1940-01-27 Process for the manufacture of high voltage electrical cables Expired DE952455C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES31925D DE952455C (en) 1940-01-27 1940-01-27 Process for the manufacture of high voltage electrical cables

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES31925D DE952455C (en) 1940-01-27 1940-01-27 Process for the manufacture of high voltage electrical cables

Publications (1)

Publication Number Publication Date
DE952455C true DE952455C (en) 1956-11-15

Family

ID=7480671

Family Applications (1)

Application Number Title Priority Date Filing Date
DES31925D Expired DE952455C (en) 1940-01-27 1940-01-27 Process for the manufacture of high voltage electrical cables

Country Status (1)

Country Link
DE (1) DE952455C (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB454923A (en) * 1935-03-08 1936-10-08 Standard Telephones Cables Ltd Electrical insulating material
US2145350A (en) * 1933-12-28 1939-01-31 Standard Oil Dev Co Cable insulating compositions
FR844723A (en) * 1937-10-14 1939-07-31 Ici Ltd Improvements in the manufacture of electric cables
FR849166A (en) * 1938-01-21 1939-11-15 Materiel Telephonique Products for electrical insulation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2145350A (en) * 1933-12-28 1939-01-31 Standard Oil Dev Co Cable insulating compositions
GB454923A (en) * 1935-03-08 1936-10-08 Standard Telephones Cables Ltd Electrical insulating material
FR844723A (en) * 1937-10-14 1939-07-31 Ici Ltd Improvements in the manufacture of electric cables
FR849166A (en) * 1938-01-21 1939-11-15 Materiel Telephonique Products for electrical insulation

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