EP1997117A1 - Connecting element for an electric shielding assembly - Google Patents

Connecting element for an electric shielding assembly

Info

Publication number
EP1997117A1
EP1997117A1 EP07726917A EP07726917A EP1997117A1 EP 1997117 A1 EP1997117 A1 EP 1997117A1 EP 07726917 A EP07726917 A EP 07726917A EP 07726917 A EP07726917 A EP 07726917A EP 1997117 A1 EP1997117 A1 EP 1997117A1
Authority
EP
European Patent Office
Prior art keywords
connecting element
tubular
barriers
electrical shielding
arrangement
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.)
Granted
Application number
EP07726917A
Other languages
German (de)
French (fr)
Other versions
EP1997117B1 (en
Inventor
Jens Hoppe
Peter Heinzig
Thomas Kuderna
Lambert Schummer
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 PL07726917T priority Critical patent/PL1997117T3/en
Publication of EP1997117A1 publication Critical patent/EP1997117A1/en
Application granted granted Critical
Publication of EP1997117B1 publication Critical patent/EP1997117B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01F27/02—Casings
    • H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • 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
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
    • 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
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens

Definitions

  • the invention relates to a connecting element for connecting a first electrical shielding arrangement arranged around a line feedthrough with at least one tubular insulating barrier arranged around the cable feedthrough and at least one second electrical shielding arrangement arranged around the cable feedthrough with at least one tubular insulating barrier arranged around the cable feedthrough. It also relates to the invention ⁇ an electric shield for a cable bushing and a method for manufacturing an electric shield for a cable bushing.
  • DE 690 24 335 T2 describes a jack for high
  • a capacitive control of the electric field is achieved by means of a capacitor arranged around the separation point.
  • a position in the axial direction relative to the line bushing is defined as a function of the radii of the capacitor body arranged one inside another, which is designed as a kind of straight truncated cone aligned along the line bushing.
  • DE 690 12 258 T2 discloses a Kondensato ⁇ inner wall for field control of the line connection of a transformer bushing.
  • the capacitor insulating wall prevents a rollover of the electrical voltage, in which this barrier is suitable for capacitive and resistive control of the electric field and dimensioned such that the occurring voltages and field strengths in the respective area do not lead to destruction of the barriers ,
  • the object of the present invention is therefore to provide an electrical shielding around a cable bushing, which ensures a quick and easy arrangement of a continuous shielding around the cable bushing, even in structurally unfavorable conditions within a boiler room.
  • a connecting element is slidable in the electrical shielding arrangements and has at least two tubular isolation barriers, wherein the two tubular isolation barriers are interconnected.
  • the connecting element bridges a possible distance between the barriers of the first and the second electrical shielding arrangement through the interconnected isolation barriers.
  • the interconnected isolation barriers can be pushed into the shielding arrangements, so that a simple and fast arrangement of the electrical shielding around the line leadthrough is possible.
  • Tubular in the sense of the invention means that the so-ent ⁇ speaking designated elements have a longitudinal extension in the axial direction of the line guide, and are formed over an almost circular cross-section.
  • the respectively named element need not be completely formed as a kind of tube, but may also have segmental recesses and partial openings.
  • circular in the sense of the invention also encompasses deviating cross sections, such as, for example, elliptical, triangular or polygonal formations.
  • the two tubular isolation barriers can each be pushed into the tubular insulating barriers of the first and the second electrical shielding arrangement.
  • a direct and continuous construction of a barrier arrangement is ensured, even if the entire shield of the line feedthrough consists of several segments.
  • the tubular insulation barriers are connected to one another by at least one spacer.
  • the tubular insulation barriers and / or the spacer at least partially made of an insulating material, in particular pressboard.
  • the length of the rohrförmi ⁇ gene isolation barriers is different.
  • the best possible fit of the kausele ⁇ ments to a space between a first and a second shield arrangement ensures on the one hand.
  • the radially related to the cable bushing graded isolation barrier lengths of the connecting element occurring electrical and mechanical loads kompen ⁇ Siert.
  • stepped isolation barrier systems can facilitate the insertion of the connecting member in a shield order characterized in that the connecting element voltages is passed through individual isolation barriers along appropriately corresponding guides of the Ableungsanord ⁇ .
  • the spacer is shaped such that, on the one hand, the intermediate distances between the tubular insulation barriers of the side facing the first electrical shielding arrangement and the spacings of the barriers of the first electrical shielding arrangement correspond. Alternatively or additionally, the intermediate distances between see the tubular insulation barriers of the second electrical shielding arrangement facing side and the intermediate distances of the barriers of the second electrical shielding arrangement also correspond. Even with different barrier spacings in the first and second shielding arrangements, appropriately shaped spacers between the isolation barriers ensure a continuous connection of the barrier assembly. In this case, the isolation barriers are then not aligned parallel and concentric with respect to the axis of rotation of the leadthrough, but have e.g. a cone-shaped arrangement with respect to the line feedthrough on. As a result, the connecting element can compensate for deviating interspaces of the individual barriers of the first shielding arrangement in comparison to the interspaces of the barriers of the second shielding arrangement.
  • the spacer is formed as a ring and / or logs.
  • at least two Stand holder arranged equidistantly on a circular surface of a tubular insulation barrier.
  • the tubular isolation barriers can be combined into modular elements and connected to one another via the spacers.
  • the connecting element according to the invention is constructed from Modulelemen ⁇ th, which in turn are connected by spacers.
  • the spacers ensure mechanical stability of the respective module elements.
  • the Verbin ⁇ -making element may be made of modular assemblies of isolation barriers in the form of modular elements assembled and easily be constructed. Radially outwardly and / or inwardly disposed from ⁇ spacers of the modular elements can be used to fauxgeloid- as module elements th isolation barrier for mutual fastening.
  • the spacers can be plugged together as plug-in systems by means of corresponding plug-in devices, for example via a tongue and groove connection. Alternatively, the spacers between the module elements by means of conventional fasteners, such as screws, connectable.
  • an insulating liquid in particular an oil
  • For connecting the first electrical shielding arrangement and the second electrical shielding arrangement serve a plurality of connecting elements for bridging a longitudinal distance between the first and second electrical shielding arrangement, wherein the connecting elements are pushed into one another.
  • a distance between two shielding arrangements can be bridged with a modular construction of a plurality of connecting elements, which are in each case slidable into one another.
  • connection element for connecting the electrical shielding arrangement of a transformer winding can be connected to a line leadthrough of a transformer housing.
  • the distance between the individual insulation barriers is not greater than 300 mm for reasons of isolation technology.
  • a plurality of spacers relative to the line feedthrough radially and / or axially offset from one another are arranged between the isolation barriers.
  • Connecting element can be arranged by means of at least one Abstandshal ⁇ age on a arranged around the cable feedthrough control electrode.
  • the object is also solved by the features of claim 16.
  • the process for the preparation ⁇ an electrical shield around a line guide position, first the production of a first electrical shield arrangement with at least one around the line lead-through arranged tubular isolating barrier is provided.
  • this first shield one connecting element is tubular with at least two, at least partially interconnected ⁇ isolation barriers in the first electrical shield arrangement inserted and then fixed.
  • the attachment can be by a mechanical ⁇ African strain of the barriers against each other and / or by an outer position.
  • the connec ⁇ tion element with a second electrical shielding arrangement with at least one to the cable feedthrough ordered tubular insulating barrier connected.
  • the object is further achieved by the electrical shield to a line feedthrough according to claim 17.
  • FIG.l schematic side view of the connecting element according to the invention between two electrical shield ⁇ arrangements
  • FIG. 2 a, 2 b, 2 c, 2 d show a schematic view of different connecting elements according to the invention which are graduated in the axial direction;
  • FIG. 3 shows a schematic view of electrical shielding ⁇ arrangements each with inventive connecting element for connecting two windings.
  • FIG. 1 shows a schematic side view of the connecting element 1 according to the invention between a first electrical shield arrangement 2 of a transformer winding 14 (not shown) and a second electrical shield arrangement 3 for a circuit implementation of the transformer housing 13.
  • the first electric shield ⁇ arrangement 2 comprises barrier members 5a , 5b, 5c, 5d, 5e, which are arranged around a winding body 11.
  • a tubular control electrode 10 made of copper for insulation and field guidance is arranged around the leadthrough 4.
  • Control electrode 10 is partially insulated by a paper layer 9.
  • the leadthrough 4, the control electrode 10, the first and second shielding arrangement 2, 3 and the Binding element 1 are rotationally symmetric with respect to the axis shown as a dashed line.
  • the first electrical shielding arrangement 2 is arranged with respect to the control electrode 10 in the radial direction. On ⁇ basic high voltage technical requirements must the distance 12 between the windings 11 and the respective boiler wall 13 have a certain minimum.
  • the second electrical shielding arrangement 3 for the line feedthrough 4 likewise can not be inserted into the first electrical shielding arrangement 2.
  • the connecting element 1 is inserted between the barrier system 5 a, 5 b, 5 c, 5 d, 5 e of the first electrical shielding arrangement 2 and the barrier system 6 a, 6 b, 6 c, 6 d of the second electrical shielding arrangement 3.
  • the distance holder 8 of the connecting element 1 in such a way be that in each case a precisely fitting insertion of the tubular I- solationsbarrieren 7a, 7b, 7c, 7d in the respectively corresponding apertures of the first 5a, 5b, 5c, 5d, 5e relationship ⁇ example of the second barrier system 6a, 6b, 6c, warranty 6d tet is.
  • barrier arrangement 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d may further contain an oil as isolati ⁇ onsmedium circulate. Also, a sufficiently free oil path to the boiler wall 13 is ensured above the connecting element 1. Between the isolation barriers 7a, 7b, 7c, 7d, the spacers 8 are formed as rings or blocks ⁇ .
  • FIG. 2 shows different embodiments of the connecting elements 1 according to the invention.
  • the axial length of the respective tubular isolation barriers 7a, 7b, 7c, 7d can be different.
  • the distance holder 8 ⁇ are also advantageously between the tubular isolation barriers 7a, 7b, 7c, 7d in the radial and / or axial direction - to the longitudinal extension of the cable bushing 4 relative - positioned differently.
  • the insulation barriers 7a, 7b, 7c, 7d are pushed into one another into the barrier system 5a, 5b, 5c, 5d, 5e of the first electrical shielding arrangement 2 and the barrier system 6a, 6b, 6c, 6d of the second electrical shielding arrangement 3.
  • FIG. 3 shows a schematic plan view of a HVDC transformer with inventive connecting element 1.
  • the formed as chimneys barriers 5a, 5b, 5c, 5d, 5e of the first electrical shielding arrangement 2 on the windings 11 of the HVDC transformer are by means of the verbin ⁇ Dungselements 1 with the barrier system 6a, 6b, 6c, 6d connected to the line design of the transformer housing. This ensures that the electrical fields generated during operation are guided within the barrier arrangement 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d.
  • the connecting element 1 ensure beyond that the first electrical shielding arrangement 2 is accurately connected to the second electrical shielding arrangement 3 as a boiler design.

Abstract

A connecting element between a first electric shielding assembly that surrounds a cable feedthrough and includes at least one tubular insulating barrier that surrounds the cable feedthrough and at least one second electric shielding assembly that surrounds the cable feedthrough and includes at least one tubular insulating barrier that surrounds the cable feedthrough. A continuous barrier system around the cable feedthrough is provided by a connecting element with at least two interconnecting insulating barriers, which can be inserted into the shielding assemblies, even if the shielding assembly is configured from sub-segments. The disclosure also relates to an electric shield for a cable feedthrough and to a method for producing an electric shield for a cable feedthrough.

Description

Beschreibungdescription
Verbindungselement für eine elektrische AbschirmungsanordnungConnecting element for an electrical shielding arrangement
Die Erfindung betrifft ein Verbindungselement zur Verbindung einer ersten um eine Leitungsdurchführung angeordneten elektrischen Abschirmungsanordnung mit mindestens einer um die Leitungsdurchführung angeordneter, rohrförmig isolierender Barriere und mindestens einer zweiten um die Leitungsdurch- führung angeordneten elektrischen Abschirmungsanordnung mit mindestens einer um die Leitungsdurchführung angeordneter rohrförmig isolierender Barriere. Ebenfalls betrifft die Er¬ findung eine elektrische Abschirmung für eine Leitungsdurchführung und ein Verfahren zur Herstellung einer elektrischen Abschirmung für eine Leitungsdurchführung.The invention relates to a connecting element for connecting a first electrical shielding arrangement arranged around a line feedthrough with at least one tubular insulating barrier arranged around the cable feedthrough and at least one second electrical shielding arrangement arranged around the cable feedthrough with at least one tubular insulating barrier arranged around the cable feedthrough. It also relates to the invention ¬ an electric shield for a cable bushing and a method for manufacturing an electric shield for a cable bushing.
Die elektrische Verbindung von elektrischen Anlagen, insbesondere Hochspannungsanlagen, erfordert einen hohen technischen Aufwand für die elektrische Abschirmung der zu- und ab- führenden Spannungsleitungen. Insbesondere bei Ausleitungen und Durchführungen zu elektrischen Anlagen muss eine elektrische Abschirmung jederzeit und über die gesamte Leitungsführung gegeben sein. Insbesondere in Fällen, in denen die e- lektrische Anlage ein ölgekühlter Transformator beziehungs- weise eine Drosselspule für hohe Betriebsspannungen ist, ist die Leitungsführung in einem geerdeten und Öl-enthaltenden Dom der entsprechenden elektrischen Anlage angeordnet.The electrical connection of electrical installations, in particular high-voltage installations, requires a great deal of technical effort for the electrical shielding of the incoming and outgoing voltage lines. In particular, in the case of discharges and feedthroughs to electrical installations, electrical shielding must be provided at all times and over the entire cable routing. In particular, in cases where the e- lectric system is an oil-cooled transformer or a choke coil for high operating voltages, the wiring is arranged in a grounded and oil-containing dome of the corresponding electrical system.
Vor allem für hohe Gleichspannungen, wie sie bei Hochspan- nungsgleichstromübertragungen (HGÜ) auftreten, ist eine elektrische Abschirmung der Leitungsdurchführung unerlässlich . Die dabei auftretenden elektrischen und mechanischen Belastungen müssen durch das Öl-gefüllte Barrierensystem in Verbindung mit der Rohrelektrode jederzeit und für jeden möglichen Span- nungsfall kompensiert werden. Dies ist nur mittels einer durchgehenden Barrierenanordnung als elektrische Abschirmung um die Leitungsdurchführung möglich.Above all, for high DC voltages, as they occur in high-voltage direct current (HVDC) transmissions, electrical shielding of the cable bushing is essential. The resulting electrical and mechanical loads must be controlled by the oil-filled barrier system in conjunction with the pipe electrode at all times and for every possible be compensated. This is only possible by means of a continuous barrier arrangement as electrical shielding around the cable feedthrough.
So beschreibt die DE 690 24 335 T2 eine Buchse für hoheThus, DE 690 24 335 T2 describes a jack for high
Gleichspannungen. Gemäß der dortigen Erfindung wird mittels eines um die Trennstelle angeordneten Kondensatorkörpers eine kapazitive Steuerung des elektrischen Feldes erreicht. Dabei ist in Abhängigkeit der ineinander angeordneten Radien des Kondensatorkörpers eine Lage in axialer Richtung bezogen auf die Leitungsdurchführung definiert, die als eine Art gerader entlang der Leitungsdurchführung ausgerichteter Kegelstumpf ausgebildet ist.DC voltages. According to the local invention, a capacitive control of the electric field is achieved by means of a capacitor arranged around the separation point. In this case, a position in the axial direction relative to the line bushing is defined as a function of the radii of the capacitor body arranged one inside another, which is designed as a kind of straight truncated cone aligned along the line bushing.
Des Weiteren offenbart die DE 690 12 258 T2 eine Kondensato¬ rinnenwand zur Feldsteuerung der Leitungsverbindung einer Transformatordurchführung. Gemäß der dortigen Erfindung verhindert die Kondensatorisolierwand einen Überschlag der e- lektrischen Spannung, in dem diese Barriere zur kapazitiven sowie resistiven Steuerung des elektrischen Feldes geeignet und so bemessen ist, dass die auftretenden Spannungen und Feldstärken in dem jeweiligen Bereich nicht zu einer Zerstörung der Barrieren führen.Furthermore, DE 690 12 258 T2 discloses a Kondensato ¬ inner wall for field control of the line connection of a transformer bushing. According to the invention there, the capacitor insulating wall prevents a rollover of the electrical voltage, in which this barrier is suitable for capacitive and resistive control of the electric field and dimensioned such that the occurring voltages and field strengths in the respective area do not lead to destruction of the barriers ,
Für die Konzeption eines Hochspannungstransformators, insbe¬ sondere eines HGÜ-Transformators, tritt das Problem auf, dass die Barrieren der elektrischen Abschirmung aufgrund der baulich immer größer werdenden Transformatorwicklungen und eines damit verbundenen zu geringen Abstandes zwischen den Trans- formatorwicklungen und der Kesselwand innerhalb eines gleich bleibenden Kesselgehäuses verkürzt werden müssen. Die aus i- solationstechnischen Gründen notwendige Überlappung der zwischen der Abschirmung der Wicklungsseite und der Abschirmung der Ausleitung aus dem Kesselgehäuse ist daher bei einer herkömmlichen Bauweise nicht mehr ohne weiteres gegeben.For the design of a high-voltage transformer, in particular ¬ sondere an HVDC transformer, the problem arises that due to the structurally increasingly larger transformer windings and one so that the barriers of the electrical shield connected to the short distance between the transformer windings and the boiler wall within a same remaining boiler housing must be shortened. The overlap required between the shielding of the winding side and the shielding for reasons of insulation technology The discharge from the boiler housing is therefore no longer readily available in a conventional construction.
Nachteilig bei allen Lösungen im Stand der Technik ist, dass herkömmliche Abschirmungsanordnungen um eine Hochspannungs¬ leitungsdurchführung, insbesondere für HGÜ-Anwendungen, keine vollständige Überlappung der Barrierensysteme der Abschir¬ mungsanordnungen bereitstellen.A disadvantage of all solutions in the prior art is that conventional shielding arrangements provide a high voltage ¬ line implementation, especially for HVDC applications, not complete overlap of the barrier systems of the Abschir ¬ mungsanordnungen.
Aufgabe der vorliegenden Erfindung ist es daher, eine elektrische Abschirmung um eine Leitungsdurchführung bereitzustellen, die eine schnelle und einfache Anordnung einer durchgängigen Abschirmung um die Leitungsdurchführung, selbst bei baulich ungünstigen Voraussetzungen innerhalb eines Kessel- raumes, gewährleistet.The object of the present invention is therefore to provide an electrical shielding around a cable bushing, which ensures a quick and easy arrangement of a continuous shielding around the cable bushing, even in structurally unfavorable conditions within a boiler room.
Die Erfindung wird gelöst durch die Merkmale des Anspruchs 1. Erfindungsgemäß ist vorgesehen, dass ein Verbindungselement in die elektrischen Abschirmungsanordnungen schiebbar ist und mindestens zwei rohrförmige Isolationsbarrieren aufweist, wobei die zwei rohrförmigen Isolationsbarrieren miteinander verbunden sind. Das Verbindungselement überbrückt durch die miteinander verbundenen Isolationsbarrieren einen möglichen Abstand zwischen den Barrieren der ersten und der zweiten e- lektrischen Abschirmungsanordnung. Gleichzeitig gewährleistet die Verbindung der beiden Isolationsbarrieren, dass zum einen eine entsprechende elektrische Festigkeit als elektrische Ab¬ schirmung und zum anderen eine mechanische Stabilität des Verbindungselements gewährleistet ist. Die miteinander ver- bunden Isolationsbarrieren sind in die Abschirmanordnungen schiebbar, so dass eine einfache und schnelle Anordnung der elektrischen Abschirmung um die Leitungsdurchführung möglich ist . Rohrförmig im Sinne der Erfindung bedeutet, dass die so ent¬ sprechend benannten Elemente eine Längserstreckung in axialer Richtung der Leitungsführung aufweisen und über einen nahezu kreisförmigen Querschnitt ausgebildet sind. Hierbei muss das jeweils so benannte Element jedoch nicht vollständig als eine Art Rohr ausgebildet sein, sondern kann auch segmentweise Aussparungen und Teilöffnungen aufweisen.The invention is solved by the features of claim 1. According to the invention it is provided that a connecting element is slidable in the electrical shielding arrangements and has at least two tubular isolation barriers, wherein the two tubular isolation barriers are interconnected. The connecting element bridges a possible distance between the barriers of the first and the second electrical shielding arrangement through the interconnected isolation barriers. At the same time ensures the connection of the two isolation barriers, that on the one hand a corresponding electrical strength as electrical shielding off ¬ and on the other hand, a mechanical stability of the connecting element is ensured. The interconnected isolation barriers can be pushed into the shielding arrangements, so that a simple and fast arrangement of the electrical shielding around the line leadthrough is possible. Tubular in the sense of the invention means that the so-ent ¬ speaking designated elements have a longitudinal extension in the axial direction of the line guide, and are formed over an almost circular cross-section. In this case, however, the respectively named element need not be completely formed as a kind of tube, but may also have segmental recesses and partial openings.
Die Definition „kreisförmig" im Sinne der Erfindung umfasst auch hiervon abweichende Querschnitte, wie z. B. elliptische, dreieckige oder mehreckige Ausformungen.The definition "circular" in the sense of the invention also encompasses deviating cross sections, such as, for example, elliptical, triangular or polygonal formations.
Erfindungsgemäß ist vorgesehen, dass die zwei rohrförmigen Isolationsbarrieren jeweils in die rohrförmigen isolierenden Barrieren der ersten und der zweiten elektrischen Abschirmungsanordnung schiebbar sind. Hierdurch wird ein direkter und durchgängiger Aufbau einer Barrierenanordnung gewährleistet, auch wenn die gesamte Abschirmung der Leitungsdurchführung aus mehreren Segmenten besteht.According to the invention, it is provided that the two tubular isolation barriers can each be pushed into the tubular insulating barriers of the first and the second electrical shielding arrangement. As a result, a direct and continuous construction of a barrier arrangement is ensured, even if the entire shield of the line feedthrough consists of several segments.
In einer vorteilhaften Ausgestaltung des Verbindungselements sind die rohrförmigen Isolationsbarrieren durch mindestens einen Abstandshalter miteinander verbunden. Vorteilhafterweise bestehen die rohrförmigen Isolationsbarrieren und/oder der Abstandhalter zumindest teilweise aus einem Isolationsmaterial, insbesondere Pressspan.In an advantageous embodiment of the connecting element, the tubular insulation barriers are connected to one another by at least one spacer. Advantageously, the tubular insulation barriers and / or the spacer at least partially made of an insulating material, in particular pressboard.
Erfindungsgemäß ist vorgesehen, dass die Länge der rohrförmi¬ gen Isolationsbarrieren unterschiedlich ist. Hierdurch ist zum einen eine bestmögliche Einpassung des Verbindungsele¬ ments an einen Zwischenraum zwischen einer ersten und einer zweiten Abschirmungsanordnung gewährleistet. Gleichzeitig können mit den radial auf die Leitungsdurchführung bezogenen abgestuften Isolationsbarrierenlängen des Verbindungselements auftretende elektrische und mechanische Belastungen kompen¬ siert werden. Darüber hinaus können abgestufte Isolationsbarrieresysteme das Einschieben des Verbindungselements in eine Abschirmungsordnung dadurch erleichtern, dass das Verbin- dungselement durch einzelne Isolationsbarrieren entlang entsprechend korrespondierende Führungen der Abschirmungsanord¬ nungen geführt wird.According to the invention, it is provided that the length of the rohrförmi ¬ gene isolation barriers is different. In this way, the best possible fit of the Verbindungsele ¬ ments to a space between a first and a second shield arrangement ensures on the one hand. At the same time can with the radially related to the cable bushing graded isolation barrier lengths of the connecting element occurring electrical and mechanical loads kompen ¬ Siert. Moreover, stepped isolation barrier systems can facilitate the insertion of the connecting member in a shield order characterized in that the connecting element voltages is passed through individual isolation barriers along appropriately corresponding guides of the Abschirmungsanord ¬.
Der Abstandshalter ist dergestalt ausgeformt, dass einerseits die Zwischenabstände zwischen den rohrförmigen Isolationsbarrieren der der ersten elektrischen Abschirmungsanordnung zugewandten Seite und den Zwischenabstände der Barrieren der ersten elektrischen Abschirmungsanordnung korrespondieren. Alternativ bzw. zusätzlich können die Zwischenabstände zwi- sehen den rohrförmigen Isolationsbarrieren der der zweiten elektrischen Abschirmungsanordnung zugewandten Seite und den Zwischenabständen der Barrieren der zweiten elektrischen Abschirmungsanordnung ebenfalls korrespondieren. Selbst bei unterschiedlichen Barrierenzwischenabständen in der ersten und der zweiten Abschirmungsanordnung gewährleisten entsprechend geformte Abstandshalter zwischen den Isolationsbarrieren eine durchgehende Verbindung der Barrierenanordnung. In diesem Falle sind die Isolationsbarrieren dann nicht parallel und konzentrisch bezüglich der Rotationsachse der Leitungsdurch- führung ausgerichtet, sondern weisen z.B. einen konusförmige Anordnung bezogen auf die Leitungsdurchführung auf. Das Verbindungselement kann dadurch abweichende Zwischenabstände der einzelnen Barrieren der ersten Abschirmanordnung im Vergleich zu den Zwischenabständen der Barrieren der zweiten Abschirm- anordnung ausgleichen.The spacer is shaped such that, on the one hand, the intermediate distances between the tubular insulation barriers of the side facing the first electrical shielding arrangement and the spacings of the barriers of the first electrical shielding arrangement correspond. Alternatively or additionally, the intermediate distances between see the tubular insulation barriers of the second electrical shielding arrangement facing side and the intermediate distances of the barriers of the second electrical shielding arrangement also correspond. Even with different barrier spacings in the first and second shielding arrangements, appropriately shaped spacers between the isolation barriers ensure a continuous connection of the barrier assembly. In this case, the isolation barriers are then not aligned parallel and concentric with respect to the axis of rotation of the leadthrough, but have e.g. a cone-shaped arrangement with respect to the line feedthrough on. As a result, the connecting element can compensate for deviating interspaces of the individual barriers of the first shielding arrangement in comparison to the interspaces of the barriers of the second shielding arrangement.
Vorteilhafterweise ist der Abstandshalter als Ring und/oder Klotz ausgebildet. Erfindungsgemäß sind mindestens zwei Ab- Standshalter äquidistant auf einer kreisförmigen Oberfläche einer rohrförmigen Isolationsbarriere angeordnet.Advantageously, the spacer is formed as a ring and / or logs. According to the invention, at least two Stand holder arranged equidistantly on a circular surface of a tubular insulation barrier.
In einer vorteilhaften Ausgestaltung der Erfindung sind die rohrförmigen Isolationsbarrieren zu Modulelementen zusammenfassbar und miteinander über die Abstandshalter verbindbar. Das erfindungsgemäße Verbindungselement ist aus Modulelemen¬ ten aufgebaut, die ihrerseits durch Abstandshalter verbindbar sind. Die Abstandshalter gewährleisten eine mecha- nische Stabilität der jeweiligen Modulelemente. Das Verbin¬ dungselement kann aus modularen Baugruppen der Isolationsbarrieren in Form der Modulelemente zusammengesetzt und leicht aufgebaut werden. Radial außen und/oder innen angeordnete Ab¬ standshalter können an den als Modulelemente zusammengefass- ten Isolationsbarrieren zur gegenseitigen Befestigung der Modulelemente genutzt werden. Die Abstandshalter können dabei als Stecksysteme mittels korrespondierender steckbarer Vorrichtungen miteinander steckbar sein, z.B. über eine Nut- Feder-Verbindung. Alternativ sind die Abstandshalter zwischen den Modulelementen mittels herkömmlicher Befestigungselemente, wie z.B. Schrauben, verbindbar.In an advantageous embodiment of the invention, the tubular isolation barriers can be combined into modular elements and connected to one another via the spacers. The connecting element according to the invention is constructed from Modulelemen ¬ th, which in turn are connected by spacers. The spacers ensure mechanical stability of the respective module elements. The Verbin ¬-making element may be made of modular assemblies of isolation barriers in the form of modular elements assembled and easily be constructed. Radially outwardly and / or inwardly disposed from ¬ spacers of the modular elements can be used to zusammengefass- as module elements th isolation barrier for mutual fastening. The spacers can be plugged together as plug-in systems by means of corresponding plug-in devices, for example via a tongue and groove connection. Alternatively, the spacers between the module elements by means of conventional fasteners, such as screws, connectable.
Erfindungsgemäß kann zwischen den Barrieren der ersten und der zweiten elektrischen Abschirmungsanordnung, sowie zwi- sehen den rohrförmigen Isolationsbarrieren eine Isolationsflüssigkeit, insbesondere ein Öl, zirkulieren. Zur Verbindung der ersten elektrischen Abschirmungsanordnung und der zweiten elektrischen Abschirmungsanordnung dienen mehrere Verbindungselemente zur Überbrückung eines Längsabstandes zwischen der ersten und zweiten elektrischen Abschirmungsanordnung, wobei die Verbindungselemente ineinander schiebbar sind. Ein Abstand zwischen zwei Abschirmungsanordnungen kann mit einem modularen Aufbau von mehreren Verbindungselementen, die jeweils ineinander schiebbar sind, überbrückt werden. Hierdurch ist nicht nur ein modularer Aufbau der Verbindungselemente an sich, sondern gleichzeitig ein modularer Systemaufbau von mehreren Verbindungselementen möglich.According to the invention, between the barriers of the first and the second electrical shielding arrangement, as well as between the tubular insulating barriers an insulating liquid, in particular an oil, circulate. For connecting the first electrical shielding arrangement and the second electrical shielding arrangement serve a plurality of connecting elements for bridging a longitudinal distance between the first and second electrical shielding arrangement, wherein the connecting elements are pushed into one another. A distance between two shielding arrangements can be bridged with a modular construction of a plurality of connecting elements, which are in each case slidable into one another. hereby is not only a modular design of the fasteners per se, but at the same time a modular system structure of several fasteners possible.
Das Verbindungselement zur Verbindung der elektrischen Abschirmungsanordnung einer Transformatorwicklung ist mit einer Leitungsdurchführung eines Transformatorgehäuses verbindbar. Vorteilhafterweise ist der Abstand zwischen den einzelnen I- solationsbarrieren aus isolationstechnischen Gründen nicht größer als 300 mm.The connection element for connecting the electrical shielding arrangement of a transformer winding can be connected to a line leadthrough of a transformer housing. Advantageously, the distance between the individual insulation barriers is not greater than 300 mm for reasons of isolation technology.
In einer vorteilhaften Ausgestaltung des erfindungsgemäßen Verbindungselements sind mehrere Abstandshalter bezogen auf die Leitungsdurchführung radial und/oder axial gegeneinander versetzt zwischen den Isolationsbarrieren angeordnet. DasIn an advantageous embodiment of the connecting element according to the invention a plurality of spacers relative to the line feedthrough radially and / or axially offset from one another are arranged between the isolation barriers. The
Verbindungselement kann mittels mindestens eines Abstandshal¬ ters auf einer um die Leitungsdurchführung angeordneten Steuerelektrode angeordnet werden.Connecting element can be arranged by means of at least one Abstandshal ¬ age on a arranged around the cable feedthrough control electrode.
Die Aufgabe wird ebenfalls durch die Merkmale des Anspruchs 16 gelöst. Erfindungsgemäß ist nach dem Verfahren zur Her¬ stellung einer elektrischen Abschirmung um eine Leitungsdurchführung zunächst die Herstellung einer ersten elektrischen Abschirmungsanordnung mit mindestens einer um die Lei- tungsdurchführung angeordneter rohrförmig isolierender Barriere vorgesehen. In diese erste Abschirmanordnung wird ein Verbindungselement mit mindestens zwei rohrförmigen, zumin¬ dest teilweise miteinander verbundenen Isolationsbarrieren in die erste elektrische Abschirmungsanordnung eingeschoben und anschließend fixiert. Die Befestigung kann durch eine mecha¬ nische Verspannung der Barrieren gegeneinander und/oder durch eine äußere Haltung erfolgen. Anschließend wird das Verbin¬ dungselement mit einer zweiten elektrischen Abschirmungsanordnung mit mindestens einer um die Leitungsdurchführung an- geordneter rohrförmig isolierender Barriere verbunden. Die Aufgabe wird weiterhin durch die elektrische Abschirmung um eine Leitungsdurchführung gemäß dem Anspruch 17 gelöst.The object is also solved by the features of claim 16. According to the invention according to the process for the preparation ¬ an electrical shield around a line guide position, first the production of a first electrical shield arrangement with at least one around the line lead-through arranged tubular isolating barrier is provided. In this first shield one connecting element is tubular with at least two, at least partially interconnected ¬ isolation barriers in the first electrical shield arrangement inserted and then fixed. The attachment can be by a mechanical ¬ African strain of the barriers against each other and / or by an outer position. Subsequently, the connec ¬ tion element with a second electrical shielding arrangement with at least one to the cable feedthrough ordered tubular insulating barrier connected. The object is further achieved by the electrical shield to a line feedthrough according to claim 17.
Weitere vorteilhafte Ausgestaltungen ergeben sich aus den Unteransprüchen. Einige beispielhafte Ausgestaltungen werden anhand der Figuren erläutert. Es zeigen:Further advantageous embodiments will be apparent from the dependent claims. Some exemplary embodiments will be explained with reference to the figures. Show it:
Fig.l schematische Seitenansicht des erfindungsgemäßen Verbindungselements zwischen zwei elektrischen Abschirmungs¬ anordnungen;Fig.l schematic side view of the connecting element according to the invention between two electrical shield ¬ arrangements;
Fig .2a, 2b, 2c, 2d schematische Ansicht von unterschiedlich in axialer Richtung abgestuften erfindungsgemäßen Verbindungs- elementen;2 a, 2 b, 2 c, 2 d show a schematic view of different connecting elements according to the invention which are graduated in the axial direction;
Fig.3 schematische Ansicht von elektrischen Abschirmungs¬ anordnungen mit jeweils erfindungsgemäßem Verbindungselement zur Verbindung zweier Wicklungen.3 shows a schematic view of electrical shielding ¬ arrangements each with inventive connecting element for connecting two windings.
Die Figur Fig. 1 zeigt eine schematische Seitenansicht des erfindungsgemäßen Verbindungselements 1 zwischen einer ersten elektrischen Abschirmungsanordnung 2 einer Transformatorwicklung 14 (nicht dargestellt) und einer zweiten elektrischen Abschirmungsanordnung 3 für eine Leiterdurchführung aus dem Transformatorgehäuse 13. Die erste elektrische Abschirmungs¬ anordnung 2 weist Barrierenelemente 5a, 5b, 5c, 5d, 5e auf, die um einen Wicklungskörper 11 angeordnet sind. Um die Leitungsdurchführung 4 ist eine rohrförmige Steuerelektrode 10 aus Kupfer zur Isolation und Feldführung angeordnet. DieThe figure Fig. 1 shows a schematic side view of the connecting element 1 according to the invention between a first electrical shield arrangement 2 of a transformer winding 14 (not shown) and a second electrical shield arrangement 3 for a circuit implementation of the transformer housing 13. The first electric shield ¬ arrangement 2 comprises barrier members 5a , 5b, 5c, 5d, 5e, which are arranged around a winding body 11. A tubular control electrode 10 made of copper for insulation and field guidance is arranged around the leadthrough 4. The
Steuerelektrode 10 ist teilweise durch eine Papierschicht 9 isoliert. Die Leitungsdurchführung 4, die Steuerelektrode 10 die erste und zweite Abschirmungsanordnung 2,3 und das Ver- bindungselement 1 sind bezüglich der als gestrichelte Linie eingezeichneten Achse rotationssymmetrisch.Control electrode 10 is partially insulated by a paper layer 9. The leadthrough 4, the control electrode 10, the first and second shielding arrangement 2, 3 and the Binding element 1 are rotationally symmetric with respect to the axis shown as a dashed line.
Diese Rotationssymmetrie stellt jedoch keine Einschränkung des Gegenstands der Erfindung dar, da im Sinne der Erfindung ebenfalls auch teilweise rotationssymmetrische bzw. segment¬ weise Barrierenanordnungen 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d durch die Merkmale der Patentansprüche mit beansprucht sind.However, this rotational symmetry is not a limitation of the subject matter of the invention, since in the context of the invention also partially rotationally symmetric or segment ¬ barrier arrangements 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c , 7d are claimed by the features of the claims.
Die erste elektrische Abschirmungsanordnung 2 ist bezogen auf die Steuerelektrode 10 in radialer Richtung angeordnet. Auf¬ grund hochspannungstechnischer Erfordernisse muss der Abstand 12 zwischen den Wicklungen 11 und der entsprechenden Kessel- wand 13 ein bestimmtes Mindestmaß aufweisen. Die Barrieren¬ elemente 5a, 5b, 5c, 5d, 5e der ersten elektrischen Abschirmungsanordnung 2 sind hierfür jedoch zu kurz ausgestaltet, um das Einfahren des Transformatoraktivteiles zu gewährleisten. Die zweite elektrische Abschirmungsanordnung 3 für die Lei- tungsdurchführung 4 ist ebenfalls nicht in die erste elektrische Abschirmungsanordnung 2 einschiebbar. Daher wird das erfindungsgemäße Verbindungselement 1 zwischen das Barrieren¬ system 5a, 5b, 5c, 5d, 5e der ersten elektrischen Abschirmungsanordnung 2 und das Barrierensystem 6a, 6b, 6c, 6d der zweiten elektrischen Abschirmungsanordnung 3 eingeschoben.The first electrical shielding arrangement 2 is arranged with respect to the control electrode 10 in the radial direction. On ¬ basic high voltage technical requirements must the distance 12 between the windings 11 and the respective boiler wall 13 have a certain minimum. The barrier ¬ elements 5a, 5b, 5c, 5d, 5e of the first electrical shield arrangement 2, however, this too made short to ensure the retraction of the transformer active part. The second electrical shielding arrangement 3 for the line feedthrough 4 likewise can not be inserted into the first electrical shielding arrangement 2. Therefore, the connecting element 1 according to the invention is inserted between the barrier system 5 a, 5 b, 5 c, 5 d, 5 e of the first electrical shielding arrangement 2 and the barrier system 6 a, 6 b, 6 c, 6 d of the second electrical shielding arrangement 3.
Aufgrund der bekannten Zwischenabstände zwischen den einzel¬ nen Barrierenelementen 5a, 5b, 5c, 5d, 5e bzw. 6a, 6b, 6c, 6d der ersten elektrischen Abschirmungsanordnung 2 und der zweiten elektrischen Abschirmungsanordnung 3 können die Abstands- halter 8 des Verbindungselements 1 dergestalt gewählt werden, dass jeweils ein passgenaues Einschieben der rohrförmigen I- solationsbarrieren 7a, 7b, 7c, 7d in die jeweils korrespondierenden Öffnungen des ersten 5a, 5b, 5c, 5d, 5e beziehungs¬ weise des zweiten Barrierensystems 6a, 6b, 6c, 6d gewährleis- tet ist. In dieser Barrierenanordnung 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d kann weiterhin ein Öl als Isolati¬ onsmedium zirkulieren. Ebenfalls ist oberhalb des Verbindungselementes 1 eine genügend freie Ölstrecke zur Kesselwand 13 gewährleistet. Zwischen den Isolationsbarrieren 7a, 7b, 7c, 7d sind die Abstandhalter 8 als Ringe oder Klötze ausge¬ bildet.Chosen based on the known intermediate distances between the individual ¬ NEN barrier members 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d of the first electrical shield arrangement 2 and the second electrical shield arrangement 3, the distance holder 8 of the connecting element 1 in such a way be that in each case a precisely fitting insertion of the tubular I- solationsbarrieren 7a, 7b, 7c, 7d in the respectively corresponding apertures of the first 5a, 5b, 5c, 5d, 5e relationship ¬ example of the second barrier system 6a, 6b, 6c, warranty 6d tet is. In this barrier arrangement 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d may further contain an oil as isolati ¬ onsmedium circulate. Also, a sufficiently free oil path to the boiler wall 13 is ensured above the connecting element 1. Between the isolation barriers 7a, 7b, 7c, 7d, the spacers 8 are formed as rings or blocks ¬.
Die Figur Fig. 2 zeigt unterschiedliche Ausgestaltungen der erfindungsgemäßen Verbindungselemente 1. Die axiale Länge der jeweiligen rohrförmigen Isolationsbarrieren 7a, 7b, 7c, 7d kann dabei unterschiedlich sein. Ebenfalls sind die Abstands¬ halter 8 vorteilhafterweise zwischen den rohrförmigen Isolationsbarrieren 7a, 7b, 7c, 7d in radialer und/oder axialer Richtung - bezogen auf die Längserstreckung der Leitungsdurchführung 4 - unterschiedlich positioniert. Hierdurch wird ein Ineinanderschieben der Isolationsbarrieren 7a, 7b, 7c, 7d in die das Barrierensystem 5a, 5b, 5c, 5d, 5e der ersten e- lektrischen Abschirmungsanordnung 2 und das Barrierensystem 6a, 6b, 6c, 6d der zweiten elektrischen Abschirmungsanordnung 3 gewährleistet.FIG. 2 shows different embodiments of the connecting elements 1 according to the invention. The axial length of the respective tubular isolation barriers 7a, 7b, 7c, 7d can be different. The distance holder 8 ¬ are also advantageously between the tubular isolation barriers 7a, 7b, 7c, 7d in the radial and / or axial direction - to the longitudinal extension of the cable bushing 4 relative - positioned differently. As a result, the insulation barriers 7a, 7b, 7c, 7d are pushed into one another into the barrier system 5a, 5b, 5c, 5d, 5e of the first electrical shielding arrangement 2 and the barrier system 6a, 6b, 6c, 6d of the second electrical shielding arrangement 3.
Die Figur Fig. 3 zeigt eine schematische Draufsicht eines HGÜ-Transformators mit erfindungsgemäßem Verbindungselement 1. Die als Kamine ausgebildeten Barrieren 5a, 5b, 5c, 5d, 5e der ersten elektrischen Abschirmungsanordnung 2 an den Wicklungen 11 des HGÜ-Transformators werden mittels des Verbin¬ dungselements 1 mit dem Barrierensystem 6a, 6b, 6c, 6d um die Leitungsausführung aus dem Transformatorgehäuse verbunden. Hierdurch ist gewährleistet, dass die während des Betriebes entstehenden elektrischen Felder innerhalb der Barrierenanordnung 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d geführt werden. Das Verbindungselement 1 gewährleisten dar¬ über hinaus, dass die erste elektrische Abschirmungsanordnung 2 mit der zweiten elektrischen Abschirmungsanordnung 3 als Kesselausführung passgenau verbunden ist. The figure Fig. 3 shows a schematic plan view of a HVDC transformer with inventive connecting element 1. The formed as chimneys barriers 5a, 5b, 5c, 5d, 5e of the first electrical shielding arrangement 2 on the windings 11 of the HVDC transformer are by means of the verbin ¬ Dungselements 1 with the barrier system 6a, 6b, 6c, 6d connected to the line design of the transformer housing. This ensures that the electrical fields generated during operation are guided within the barrier arrangement 5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d, 7a, 7b, 7c, 7d. The connecting element 1 ensure beyond that the first electrical shielding arrangement 2 is accurately connected to the second electrical shielding arrangement 3 as a boiler design.

Claims

Patentansprüche claims
1. Verbindungselement (1) zur Verbindung einer ersten um eine Leitungsdurchführung (4) angeordneten elektrischen Abschir- mungsanordnung (2) mit mindestens einer um die Leitungsdurchführung (4) angeordneter, rohrförmig isolierender Barriere (5a, 5b, 5c, 5d, 5e) und mindestens einer zweiten um die Leitungs¬ durchführung (4) angeordneten elektrischen Abschirmungsanordnung (3) mit mindestens einer um die Leitungsdurchführung (4) angeordneter rohrförmig isolierender Barriere (6a, 6b, 6c, 6d), d a d u r c h g e k e n n z e i c h n e t , dass das Ver¬ bindungselement (1) in die elektrischen Abschirmungsanordnungen (2,3) schiebbar ist und mindestens zwei rohrförmige Iso- lationsbarrieren (7a, 7b, 7c, 7d) aufweist, wobei die rohr- förmigen Isolationsbarrieren (7a, 7b, 7c, 7d) miteinander verbunden sind.1. connecting element (1) for connecting a first to a line feedthrough (4) arranged electrical Abschir- mung arrangement (2) with at least one around the line feedthrough (4) arranged, tubular insulating barrier (5a, 5b, 5c, 5d, 5e) and at least one second to the line ¬ passage (4) disposed electrical shield arrangement (3) with at least one arranged around the line lead-through (4) tubular isolating barrier (6a, 6b, 6c, 6d), characterized in that the Ver ¬ binding element (1) into the electrical shielding arrangements (2, 3) and having at least two tubular insulation barriers (7a, 7b, 7c, 7d), the tubular isolation barriers (7a, 7b, 7c, 7d) being connected to one another.
2. Verbindungselement (1) nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , dass die rohrförmigen Isolationsbarrieren (7a, 7b, 7c, 7d) jeweils in die rohrförmigen isolierenden Barrieren (5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d) der ersten und der zweiten elektrischen Abschirmungsanordnung (2, 3) schiebbar sind.2. Connecting element (1) according to claim 1, characterized in that the tubular insulation barriers (7a, 7b, 7c, 7d) in each case in the tubular insulating barriers (5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d) the first and the second electrical shielding arrangement (2, 3) are pushed.
3. Verbindungselement (1) nach einem der Ansprüche 1 oder 2, d a d u r c h g e k e n n z e i c h n e t , dass die rohrförmigen Isolationsbarrieren (7a, 7b, 7c, 7d) durch mindestens einen Abstandshalter (8) miteinander verbunden sind.3. Connecting element (1) according to any one of claims 1 or 2, d a d u r c h e c e n e c i n e in that the tubular insulation barriers (7 a, 7 b, 7 c, 7 d) are interconnected by at least one spacer (8).
4. Verbindungselement (1) nach einem der Ansprüche 1 bis 3, d a d u r c h g e k e n n z e i c h n e t , dass die rohrförmigen Isolationsbarrieren (7a, 7b, 7c, 7d) und/oder der Abstandhalter (8) zumindest teilweise aus einem Isolationsmaterial, insbesondere Pressspan, bestehen.4. Connecting element (1) according to one of claims 1 to 3, characterized in that the tubular insulation barriers (7a, 7b, 7c, 7d) and / or the spacer (8) consist at least partially of an insulating material, in particular pressboard.
5. Verbindungselement (1) nach einem der Ansprüche 1 bis 4, d a d u r c h g e k e n n z e i c h n e t , dass die axiale Länge der jeweiligen rohrförmigen Isolationsbarrieren (7a, 7b, 7c, 7d) unterschiedlich ist.5. Connecting element (1) according to one of claims 1 to 4, d a d e r c h e c e n e c e in that the axial length of the respective tubular isolation barriers (7 a, 7 b, 7 c, 7 d) is different.
6. Verbindungselement (1) nach einem der Ansprüche 1 bis 5, d a d u r c h g e k e n n z e i c h n e t , dass der Ab¬ standshalter (8) dergestalt ausgeformt ist, dass die Zwi¬ schenabstände zwischen den rohrförmigen Isolationsbarrieren (7a, 7b, 7c, 7d) der der ersten elektrischen Abschirmungsan- Ordnung (2) zugewandten Seite des Verbindungselements (1) und den Zwischenabständen der Barrieren (5a, 5b, 5c, 5d, 5e) der ersten elektrischen Abschirmungsanordnung (2) und/oder die Zwischenabstände zwischen den rohrförmigen Isolationsbarrie¬ ren (7a, 7b, 7c, 7d) der der zweiten elektrischen Abschir- mungsanordnung (3) zugewandten Seite des Verbindungselements (1) und den Zwischenabständen der Barrieren (6a, 6b, 6c, 6d) der zweiten elektrischen Abschirmungsanordnung (3) korrespondieren .6. Connection element (1) according to any one of claims 1 to 5, characterized in that the Ab ¬ spacers (8) such formed that the interim ¬ rule distances between the tubular isolation barriers (7a, 7b, 7c, 7d) of the first electrical Shielding arrangement (2) facing side of the connecting element (1) and the intermediate distances of the barriers (5a, 5b, 5c, 5d, 5e) of the first electrical shielding arrangement (2) and / or the intermediate distances between the tubular Isolationsbarrie ¬ ren (7a, 7b, 7c, 7d) of the second electrical Abschir- tion arrangement (3) facing side of the connecting element (1) and the intermediate distances of the barriers (6a, 6b, 6c, 6d) of the second electrical shielding arrangement (3) correspond.
7. Verbindungselement nach einem der Ansprüche 1 bis 6, d a d u r c h g e k e n n z e i c h n e t , dass der Abstandhalter (8) als Ring und/oder Klotz ausgebildet ist .7. Connecting element according to one of claims 1 to 6, d a d e r c h e c e n e c e in that the spacer (8) is formed as a ring and / or pad.
8. Verbindungselement (1) nach einem der Ansprüche 1 bis 7, d a d u r c h g e k e n n z e i c h n e t , dass mindestens zwei Abstandshalter (8) äquidistant auf der Quer¬ schnittsoberfläche mindestens einer rohrförmigen Isolations¬ barriere (7a, 7b, 7c, 7d) angeordnet sind. 8. Connecting element (1) according to one of claims 1 to 7, characterized in that at least two spacers (8) are arranged equidistantly on the cross- sectional ¬ surface of at least one tubular insulation ¬ barrier (7a, 7b, 7c, 7d).
9. Verbindungselement (1) nach einem der Ansprüche 1 bis 8, d a d u r c h g e k e n n z e i c h n e t , dass zwischen den Barrieren (5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d) der ersten und der zweiten elektrischen Abschirmungsanordnung (2, 3) sowie zwischen den rohrförmigen Isolationsbarrieren (7a, 7b, 7c, 7d) eine Isolationsflüssigkeit, insbesondere ein Öl, zirkulieren kann.9. Connecting element (1) according to one of claims 1 to 8, characterized in that between the barriers (5a, 5b, 5c, 5d, 5e, 6a, 6b, 6c, 6d) of the first and the second electrical shielding arrangement (2, 3 ) and between the tubular isolation barriers (7a, 7b, 7c, 7d) an insulating liquid, in particular an oil, can circulate.
10. Verbindungselement (1) nach einem der Ansprüche 1 bis 9, d a d u r c h g e k e n n z e i c h n e t , dass zur Verbindung der ersten elektrischen Abschirmungsanordnung (2) und der zweiten elektrischen Abschirmungsanordnung (3) mehrere Verbindungselemente (1) zur Überbrückung eines Längs- abstandes zwischen der ersten und zweiten elektrischen Abschirmungsanordnung (2, 3) dient, wobei die Verbindungsele¬ mente (1) ineinander schiebbar sind.10. Connecting element (1) according to one of claims 1 to 9, characterized in that for connecting the first electrical shielding arrangement (2) and the second electrical shielding arrangement (3) a plurality of connecting elements (1) for bridging a longitudinal distance between the first and second electrical shielding arrangement (2, 3), wherein the Verbindungsele ¬ elements (1) are pushed into one another.
11. Verbindungselement (1) nach einem der Ansprüche 1 bis 10, d a d u r c h g e k e n n z e i c h n e t , dass die rohrförmigen Isolationsbarrieren (7a, 7b, 7c, 7d) zu Modulelementen zusammenfassbar und die Modulelemente über die Abstandshalter (8) miteinander verbindbar sind.11. Connecting element (1) according to claim 1, wherein the tubular isolation barriers (7a, 7b, 7c, 7d) can be combined into modular elements and the module elements can be connected to one another via the spacers (8).
12. Verbindungselement (1) nach einem der Ansprüche 1 bis 11, d a d u r c h g e k e n n z e i c h n e t , dass das Verbindungselement (1) zur Verbindung einer elektrischen Abschirmungsanordnung (2) einer Transformatorwicklung (14) mit einer Leitungsdurchführung eines Transformatorgehäuses verbindbar ist.12. Connecting element (1) according to one of claims 1 to 11, in that a connecting element (1) for connecting an electrical shielding arrangement (2) of a transformer winding (14) can be connected to a line leadthrough of a transformer housing.
13. Verbindungselement (1) nach einem der Ansprüche 1 bis 12, d a d u r c h g e k e n n z e i c h n e t , dass der Abstand zwischen den einzelnen Isolationsbarrieren (7a, 7b, 7c, 7d) nicht größer als 300 mm ist.13. Connecting element (1) according to one of claims 1 to 12, characterized in that the distance between the individual isolation barriers (7a, 7b, 7c, 7d) is not greater than 300 mm.
14. Verbindungselement (1) nach einem der Ansprüche 1 bis 13, d a d u r c h g e k e n n z e i c h n e t , dass mindestens zwei Abstandshalter (8) bezogen auf die Leitungs¬ durchführung radial und/oder axial gegeneinander versetzt zwischen den Isolationsbarrieren (7a, 7b, 7c, 7d) angeordnet sind.14. Connecting element (1) according to one of claims 1 to 13, characterized in that at least two spacers (8) relative to the line ¬ implementation radially and / or axially offset from each other between the isolation barriers (7a, 7b, 7c, 7d) are arranged ,
15. Verbindungselement (1) nach einem der Ansprüche 1 bis 14, d a d u r c h g e k e n n z e i c h n e t , dass das Verbindungselement (1) mittels mindestens eines Abstands¬ halters (8) auf einer um die Leitungsdurchführung (4) ange- ordneten Steuerelektrode (9) anordbar ist.15. Connecting element (1) according to one of claims 1 to 14, characterized in that the connecting element (1) by means of at least one spacer ¬ holder (8) on a to the line feedthrough (4) arranged arranged control electrode (9) can be arranged.
16. Verfahren zur Herstellung einer elektrischen Abschirmung um eine Leitungsdurchführung (4), mit folgenden Schritten:16. A method for producing an electrical shield around a cable feedthrough (4), comprising the following steps:
- Bereitstellung einer ersten elektrischen Abschirmungsanordnung (2) mit mindestens einer um die Leitungsdurchführung (4) angeordneter rohrförmig isolierender Barriere (5a, 5b, 5c, 5d, 5e);- Providing a first electrical shielding arrangement (2) with at least one around the line bushing (4) arranged tubular insulating barrier (5a, 5b, 5c, 5d, 5e);
- Einschieben eines Verbindungselements (1) mit mindestens zwei rohrförmigen, zumindest teilweise miteinander verbunde¬ nen Isolationsbarrieren (7a, 7b, 7c, 7d) in die erste elekt¬ rische Abschirmungsanordnung (2);- inserting a tubular connecting element (1) having at least two, at least partly with each other composites ¬ NEN isolation barriers (7a, 7b, 7c, 7d) in the first elekt ¬ generic shield assembly (2);
- Befestigung des Verbindungselements (1) in der ersten elektrischen Abschirmungsanordnung (2);- Attachment of the connecting element (1) in the first electrical shielding arrangement (2);
Anordnung einer zweiten elektrischen Abschirmungsanordnung (3) mit mindestens einer um die Leitungsdurchführung (4) angeordneter rohrförmig isolierender Barriere (6a, 6b, 6c, 6d) , wobei die zweite Abschirmanordnung (3) mit dem Verbindungselement (1) verbunden wird.Arrangement of a second electrical shielding arrangement (3) with at least one around the cable feedthrough (4) arranged tubular insulating barrier (6a, 6b, 6c, 6d), wherein the second shielding arrangement (3) with the connecting element (1) is connected.
17. Elektrische Abschirmung um eine Leitungsdurchführung (4), mit einer ersten elektrischen Abschirmungsanordnung (2) mit mindestens einer um die Leitungsdurchführung (4) angeordneter rohrförmig isolierender Barriere (5a, 5b, 5c, 5d, 5e) , mit mindestens einer zweiten elektrischen Abschirmungsanordnung (3) mit mindestens einer um die Leitungsdurchführung17. Electrical shielding around a cable bushing (4), with a first electrical shielding arrangement (2) with at least one tubular insulating barrier (5a, 5b, 5c, 5d, 5e) arranged around the cable bushing (4), with at least one second electrical shielding arrangement (3) with at least one around the cable feedthrough
(4) angeordneter rohrförmig isolierender Barriere (6a, 6b, 6c, 6d) und mindestens einem Verbindungselement (1) zur Verbin¬ dung der ersten und zweiten Abschirmanordnung (3,4) nach einem der Ansprüche 1 bis 15. (4) arranged tubular insulating barrier (6a, 6b, 6c, 6d) and at least one connecting element (1) for connec ¬ tion of the first and second shielding arrangement (3,4) according to one of claims 1 to 15.
EP07726917A 2006-03-21 2007-03-15 Connecting element for an electric shielding assembly Not-in-force EP1997117B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07726917T PL1997117T3 (en) 2006-03-21 2007-03-15 Connecting element for an electric shielding assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006013927A DE102006013927B4 (en) 2006-03-21 2006-03-21 Connecting element for an electrical shielding arrangement
PCT/EP2007/052426 WO2007107492A1 (en) 2006-03-21 2007-03-15 Connecting element for an electric shielding assembly

Publications (2)

Publication Number Publication Date
EP1997117A1 true EP1997117A1 (en) 2008-12-03
EP1997117B1 EP1997117B1 (en) 2009-12-02

Family

ID=38179463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07726917A Not-in-force EP1997117B1 (en) 2006-03-21 2007-03-15 Connecting element for an electric shielding assembly

Country Status (12)

Country Link
US (1) US7850467B2 (en)
EP (1) EP1997117B1 (en)
CN (1) CN101405819A (en)
AT (1) ATE450873T1 (en)
CA (1) CA2646584C (en)
DE (2) DE102006013927B4 (en)
DK (1) DK1997117T3 (en)
ES (1) ES2336506T3 (en)
PL (1) PL1997117T3 (en)
PT (1) PT1997117E (en)
RU (1) RU2416133C2 (en)
WO (1) WO2007107492A1 (en)

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Also Published As

Publication number Publication date
CA2646584C (en) 2015-02-03
RU2008141693A (en) 2010-04-27
PL1997117T3 (en) 2010-05-31
DE102006013927B4 (en) 2008-11-20
ES2336506T3 (en) 2010-04-13
DE102006013927A1 (en) 2007-10-04
CA2646584A1 (en) 2007-09-27
PT1997117E (en) 2009-12-17
EP1997117B1 (en) 2009-12-02
DK1997117T3 (en) 2010-04-06
WO2007107492A1 (en) 2007-09-27
CN101405819A (en) 2009-04-08
DE502007002183D1 (en) 2010-01-14
US20090130871A1 (en) 2009-05-21
ATE450873T1 (en) 2009-12-15
RU2416133C2 (en) 2011-04-10
US7850467B2 (en) 2010-12-14

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