DE917732C - Electrical conductor for high voltage systems - Google Patents

Electrical conductor for high voltage systems

Info

Publication number
DE917732C
DE917732C DES33928D DES0033928D DE917732C DE 917732 C DE917732 C DE 917732C DE S33928 D DES33928 D DE S33928D DE S0033928 D DES0033928 D DE S0033928D DE 917732 C DE917732 C DE 917732C
Authority
DE
Germany
Prior art keywords
core
high voltage
short
light metal
electrical conductor
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
DES33928D
Other languages
German (de)
Inventor
Dr-Ing Erich Gruenwald
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Priority to DES33928D priority Critical patent/DE917732C/en
Application granted granted Critical
Publication of DE917732C publication Critical patent/DE917732C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B5/00Non-insulated conductors or conductive bodies characterised by their form
    • H01B5/08Several wires or the like stranded in the form of a rope
    • H01B5/10Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material
    • H01B5/102Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core
    • H01B5/104Several wires or the like stranded in the form of a rope stranded around a space, insulating material, or dissimilar conducting material stranded around a high tensile strength core composed of metallic wires, e.g. steel wires

Landscapes

  • Conductive Materials (AREA)
  • Ropes Or Cables (AREA)
  • Non-Insulated Conductors (AREA)

Description

Zum Aufbau elektrischer Leiber für Hothspa.nnungsan.lagen werden. in großem Maße vor allem Aluminium und Aluminiumlegierungen verwendet. Wegen der geringen Zugfestigkeit dieser Metalle ist es insbesondere für Freileitungen üblich:, die Leiter mit einem Kern in Form eines Seiles aus Stahldrähten zu versehen, über den dann, die Leichtmetalldrähte in, einer oder mehreren Lagen. verseilt werden. Der Stah;lseilkern ist nun die Ursache von zusätzlichen Eisenverlusten, zu deren Herabsetzung bereits. vorgeschlagen wurde, zwei) oder mehr Verseillagen von Leichtmetalldrähten mit ab@"vechselnd entgegengesetzter Schlagrichtung darüber anzuordnen. Eine solche Anordnung bringt zwar eine Verbesserung, aber keine vollkommene Beseitigung dieser Verluste.For the construction of electrical bodies for high spa facilities. extensively used mainly aluminum and aluminum alloys. Because of the low tensile strength of these metals, it is particularly common for overhead lines :, to provide the ladder with a core in the form of a rope made of steel wires, over Then, the light metal wires in one or more layers. be stranded. The steel cable core is now the cause of additional iron losses, to their Degradation already. it was proposed two) or more layers of light metal wires to be arranged with ab @ "alternating opposite lay direction Arrangement brings an improvement, but not a complete elimination of it Losses.

Gemäß der Erfindung wird nun bei einem Leiter für, Hochspannungsanlagen, der aus einem aus Stahldrähten, verseiltein Kern und: einer oder mehreren äußeren, Verseill.age:n aus Leichtmetalldrähten besteht, zwischen denn Stahldrahtkern und den: Lei@chtrnetallverseillagen eine! Reihe von: geschlossenen Kurzschlußringbahnen aus gut leitendem Werkstoff umgeordnet. Diese Kurzschlußringbahnen gemäß der Erfindung gestatten: eine zie'Izulare Ausbildung von Ausgleichsströmen um den Stahlkern, wodurch eine praktiiseh vollkommene Abdämpfung des. magnetischen Längsfeldes im Stahlseil erzielt wird.According to the invention, a conductor for, high-voltage systems, which consists of a core made of steel wires, stranded and: one or more outer, Verseill.age: n consists of light metal wires, between the steel wire core and den: Lei @ chtrnetallverseillagen one! Series of: closed short-circuit ring tracks rearranged from a highly conductive material. This short-circuit ring tracks according to the invention allow: a zie'Izulare formation of equalizing currents around the steel core, whereby a practically complete attenuation of the magnetic longitudinal field in the steel cable is achieved.

In der Zeichnung sind zwei Ausführungsbeispiele von Leitern gemäß der Erfindung dargestellt.In the drawing, two exemplary embodiments of conductors are shown in FIG of the invention shown.

Fig. i zeigt einen Leiter, der aus. eibem. Stablseilkern i und einer äußeren Verseillage aus Aluminiumdrä:h:te:n 2 besteht. Gemäß der Erfindung ist über- dem Kern; i eine Reihe von Kurzsch,lußringen 3 aus Aluminium angebracht, die dicht oder mit geringen, Zwischenräumen aneinanderge!re;iht sein. können.Fig. I shows a conductor made from. eibem. Rod core i and one outer stranding layer consists of aluminum wires: h: te: n 2. According to the invention is over- the core; i attached a number of short-circuit, lussrings 3 made of aluminum, which are tight or be close to each other with small spaces in between. can.

Fig. 2 zeigt ein Ausführungsbeispiel eines ähnlichen. Leiters, bei dem jedoch; die Reihe von Kurzschlußringen über dem Kern i durch einen nahtlosen Mantel 4 aus Aluminium ersetzt ist.Fig. 2 shows an embodiment of a similar one. Head, at however; the series of short-circuit rings over the core i by a seamless Sheath 4 made of aluminum is replaced.

Es -ist zwar bereits vorgeschlagen. worden, elektrische Leiter für Hochsparunungsanlagen aus einem aus Stahldrähten verseilten Kern und einem darüber angeordneten. nahtlosen Mantel aus: Aliuminium od. 4-l. aufzubauen. Beii einem solchen Leiteraufbau würde der äußere, für die Stromleitung hestimmtei nahtlose. Mantel bereits auch: die Aufgabe: der Wegdämpfung des ma;gnetiischen Längsfeldes mit übernehmen. Häufig wird es aber erwünscht sein, den äußeren, stromleitenden. M.aintel nicht als nahtlosen Mantel auszuführen, sondern aus versewlben Einzeldrähten aufzubauen Zum Beispiel ist bei einer derartigen Ausführung die Schwingungsempfindlichkeit geringer als bei einem massiven Leiter, wie ihn. ein nahtloser Mantel darstellt. In diesem Fall wird dann gemäß der Erfindung unter den stromlekenden Drahtlagen eine uniunterbrochene Reihe von Kurzschlußringen oder ein nahtloser Mantel aus gut leitendem Werkstoff angeordnet.It is already suggested. been, electrical conductor for High-saving systems made up of a core made of steel wires and one above it arranged. seamless jacket made of: aluminum or 4-l. build up. With one of these Conductor structure would be the outer, for the power line hesttei seamless. a coat already also: the task: to take over the path damping of the magnetic longitudinal field. Often, however, it will be desirable to use the external, electrically conductive. M.aintel not to be designed as a seamless jacket, but to be built up from twisted individual wires For example, in such an implementation, the vibration sensitivity less than a massive ladder like him. represents a seamless coat. In this case, according to the invention, is then under the current-conducting wire layers an uninterrupted series of short-circuit rings or a seamless jacket of gut arranged conductive material.

Die Erfindung ist nicht auf die dargestellten Ausführungsbeiispiele beschränkt. So kann der innere. Stahlseilkern i in bekannter Weise als Hohlseil ausgeführt sein. An, Stelle einer Verseillage aus Leichtmetalldrähten können mehrere solcher Verseillagen angeordnet werden. Die Wandstärke der Kurzschlußriinge 3 bzw. des nahtlosen Mantels q. richtet sich vor allem nach der Größe des magnetisehen Längsfeldes und kann. daher um so geringer sein., je größer die Schlaglänge des Stahlseiles ist.The invention is not limited to the exemplary embodiments shown limited. So can the inner one. Steel rope core i in a known manner as a hollow rope be executed. Instead of one layer of light metal wires, several such stranding layers are arranged. The wall thickness of the short-circuit rings 3 resp. of the seamless coat q. is mainly based on the size of the magnetism Longitudinal field and can. therefore, the lower the length of the lay Steel cable is.

Claims (2)

PATENTANSPR-IICHE: i. Aus einem aus Stahldrähten. verseilten Kern und. einer oder mehreren äußerem Verseillagen aus Leichtmeitalldrähte , bestehender Leiter für elektrische. Hochspannungsanlagen, dadurch gekennzeichnet, d,aß zwischen dem Stahldra;htkern, und den, Leichtmetallverseillab n. eine Reihe von geschlossenen. Kurzschlußringibühne!n, wie z:. B. Kurzschlußrin#gen,, aus gut leitendem Werkstoff angeordnet ist; die dicht oder mixt gewissen Zwischenräumen aneinandergereiht sind. PATENT CLAIMS: i. From one made of steel wires. stranded core and. one or more outer layers of stranded lightweight meitall wire, existing Conductor for electrical. High voltage equipment, characterized d, ate between the steel wire core, and the light metal versil from a series of closed. Short-circuit ring stage! N, such as :. B. Short-circuit rings, made of a highly conductive material is arranged; which are lined up tightly or mixed with certain gaps. 2. Leiter nach, Anspruch i, dadurch gekennzeichnet, daß zwischen Stahldrahtkern und den: Leichtmetallverseillagen ein nahtloser Mantel aus gut leitendem Werkstoff angeordnet ist.2. Head according to claim i, characterized in that between the steel wire core and the: light metal versil layers a seamless jacket made of a highly conductive material is arranged.
DES33928D 1941-08-12 1941-08-12 Electrical conductor for high voltage systems Expired DE917732C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES33928D DE917732C (en) 1941-08-12 1941-08-12 Electrical conductor for high voltage systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES33928D DE917732C (en) 1941-08-12 1941-08-12 Electrical conductor for high voltage systems

Publications (1)

Publication Number Publication Date
DE917732C true DE917732C (en) 1954-09-09

Family

ID=7481325

Family Applications (1)

Application Number Title Priority Date Filing Date
DES33928D Expired DE917732C (en) 1941-08-12 1941-08-12 Electrical conductor for high voltage systems

Country Status (1)

Country Link
DE (1) DE917732C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966644A (en) * 1958-10-20 1960-12-27 Hafner Theodore Flexible surface wave transmission lines
DE1117677B (en) * 1960-03-02 1961-11-23 Gerhard Apelt Dipl Ing Earthing and short-circuit ropes for carrying out protective measures in electrical high-voltage systems
ES2274682A1 (en) * 2005-02-09 2007-05-16 Inversiones Aranaz, S.A. Low expansion coefficient electrical cable for high voltage lines, has aluminum lead wires whose outer ring is provided with helical coil, and tubular casing whose exterior part is provided with sealed aluminum tube

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2966644A (en) * 1958-10-20 1960-12-27 Hafner Theodore Flexible surface wave transmission lines
DE1117677B (en) * 1960-03-02 1961-11-23 Gerhard Apelt Dipl Ing Earthing and short-circuit ropes for carrying out protective measures in electrical high-voltage systems
ES2274682A1 (en) * 2005-02-09 2007-05-16 Inversiones Aranaz, S.A. Low expansion coefficient electrical cable for high voltage lines, has aluminum lead wires whose outer ring is provided with helical coil, and tubular casing whose exterior part is provided with sealed aluminum tube

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