EP0755062A1 - Encapsulated voltage transformer device for switching arrangements with several installation unit members - Google Patents

Encapsulated voltage transformer device for switching arrangements with several installation unit members Download PDF

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Publication number
EP0755062A1
EP0755062A1 EP95110858A EP95110858A EP0755062A1 EP 0755062 A1 EP0755062 A1 EP 0755062A1 EP 95110858 A EP95110858 A EP 95110858A EP 95110858 A EP95110858 A EP 95110858A EP 0755062 A1 EP0755062 A1 EP 0755062A1
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EP
European Patent Office
Prior art keywords
housing
core
axes
converter
encapsulated
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Granted
Application number
EP95110858A
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German (de)
French (fr)
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EP0755062B1 (en
Inventor
Hans-Jürgen Dr. Voss
Reimund Dipl.-Ing. Streland
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Ritz Messwandler GmbH and Co KG
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Ritz Messwandler GmbH and Co KG
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Application filed by Ritz Messwandler GmbH and Co KG filed Critical Ritz Messwandler GmbH and Co KG
Priority to DE59505209T priority Critical patent/DE59505209D1/en
Priority to EP95110858A priority patent/EP0755062B1/en
Priority to AT95110858T priority patent/ATE177249T1/en
Publication of EP0755062A1 publication Critical patent/EP0755062A1/en
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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/22—Instruments transformers for single phase ac
    • H01F38/24—Voltage transformers
    • H01F38/26—Constructions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/20—Instruments transformers
    • H01F38/38—Instruments transformers for polyphase ac

Definitions

  • the invention relates to an encapsulated voltage converter arrangement for switchgear with multiple system fields, which are arranged along adjacent system axes, with a converter housing for receiving several, in particular three voltage converters, each having a coil, which is arranged on a core aligned along a core axis.
  • the invention is based on the object of specifying an encapsulated voltage converter arrangement for switchgear assemblies with a plurality of system fields, which has a small housing width and nevertheless ensures a sufficient distance between the live components.
  • the solution according to the invention consists in making the converter housing elongated, the longer housing length being essentially parallel to the system axes and the smaller housing width being smaller than the known diameter circular converter housing.
  • the housing longitudinal axes of the converter housings are aligned essentially parallel to the system axes.
  • the converter housing is elliptical in section, with four rectangularly arranged and rounded corners being indicated.
  • This form of housing is particularly recommended if the interior of the converter housing is covered with an insulating gas, for example sulfur hexafluoride high pressure to be filled.
  • the curved housing walls only require a small wall thickness.
  • the long sides are additionally flattened.
  • This housing shape is particularly advantageous when the housing length is not very much larger than the housing width.
  • an arrangement of three voltage transformers is recommended, which are aligned with their core axes parallel to the longitudinal axis of the housing and arranged one behind the other in the longitudinal direction.
  • the cores of the first and third voltage converters are laterally offset to the left of the longitudinal axis of the housing and the core of the central voltage converter to the right of it, so that the adjacent free ends of the cores overlap in the longitudinal direction.
  • This arrangement makes optimal use of both the length of the housing and the width of the housing without the coils arranged on the cores coming too close to the housing walls. The distances between the coils are also large enough to prevent voltage flashovers.
  • Another preferred arrangement of the voltage converters in a more elongated converter housing is that the three voltage converters are aligned with their core axes transversely to the longitudinal axis of the housing and are arranged one behind the other in the longitudinal direction.
  • the stability of the entire arrangement and the magnetic flux through the cores can be further improved if the cores are integrally connected to one another by two lateral core limbs running in the longitudinal direction.
  • the three voltage transformers in a star shape with radially facing core axes, the core axis of one of the voltage converters being aligned parallel to the longitudinal axis of the housing and the other two core axes each having an angle of more than 120 ° to the first core axis.
  • this arrangement does not deviate very much from the known arrangement with three 120 ° angles between the core axes, there is nevertheless a significant advantage with regard to the reduced housing width.
  • the housing longitudinal axis of the converter housing is aligned essentially perpendicular to a plane determined by the system axes.
  • the converter housing with its longitudinal axis is vertical.
  • the voltage transformers one above the other, the core axes being aligned transversely to the longitudinal axis of the housing and in turn being integrally connected to one another by two lateral core legs running in the longitudinal direction of the housing.
  • This embodiment can be recommended for switchgear whose installation space is wide, i.e. is limited across the system axes, but where there is sufficient space vertically upwards.
  • the invention also relates to a switchgear assembly with voltage converter arrangements designed according to the invention.
  • the converter housings are simply arranged next to one another in a row in the transverse direction to the system axes. Such an arrangement is already due to the configuration of the invention Voltage converter arrangements more compact than known switchgear.
  • the converter housing 1 and 2 show an elongated converter housing 1 with a housing length l and a housing width b that is smaller than the housing length l.
  • three voltage converters 2, 3, 4 are arranged, each having a core 5 and a coil 6.
  • the converter housing 1 is essentially elliptical and has four rectangularly arranged and rounded corners 7.
  • Two side walls 8 are curved and extend essentially in the direction of a housing longitudinal axis 9.
  • the voltage converters 2, 3, 4 are arranged one behind the other in an elongated formation in the direction of the longitudinal axis 9 of the housing, the core axes 10, 11, 12 of the cores 5 lying parallel to the longitudinal axis 9 of the housing.
  • the core axes 10 and 12 of a first and a third core 5 are shifted laterally to the left with respect to the longitudinal axis 9 of the housing.
  • a second central core 5 with the core axis 11 is laterally displaced relative to the longitudinal axis 9 of the housing.
  • the free ends 13, 14, 15, 16 of the cores 5 lie next to one another and overlap in the longitudinal direction.
  • the core axes 10, 11, 12 are aligned transversely to the longitudinal axis 9 of the housing and the voltage converters 2, 3, 4 are in turn arranged one behind the other in the longitudinal direction.
  • the three cores 5 are integrally connected to one another by two lateral core legs 17, 18 running parallel to the longitudinal axis 9 of the housing.
  • Fig. 3 shows a converter housing 19, in which the housing length l is not very much larger than the housing width b.
  • the converter housing 19 is flattened on its long sides, so that two straight, parallel side walls 20 are formed.
  • the three voltage converters 2, 3, 4 are arranged in a star shape with radial core axes 10, 11, 12, the core axis 10 of a first voltage converter 2 being aligned parallel to the longitudinal axis 9 of the housing and coinciding therewith.
  • the two other core axes 11, 12 of the two other voltage converters 3, 4 each have an angle W of more than 120 ° to the first core axis 10.
  • the converter housing 21 shown in FIG. 4 is essentially cylindrical, the housing length l again being greater than the housing width b corresponding to the cylinder diameter.
  • the voltage converters 2, 3, 4 are arranged with their core axes 10, 11, 12 transversely to the longitudinal axis 9 of the housing, the cores 5 being integrally connected to one another by two lateral core legs 17, 18 running parallel to the longitudinal axis 9 of the housing. 4 also shows three electrical conductors 22, by means of which the electrical voltage is brought to the three coils 6.
  • the arrangement of the converter housing 1, 19, 21 according to the invention is shown in electrical switchgear.
  • a switchgear has three system fields, which are arranged along mutually parallel system axes A, B, C.
  • the respective longitudinal axis of the housing of the converter housing 1, 9, 21 is aligned parallel to the system axes A, B, C. Because of the small housing width b, the distances t between the system axes A, B, C can advantageously be kept small.
  • the converter housings 1, 19 are arranged next to one another in a simple row transversely to the system axes A, B, C.
  • the Longitudinal axis 9 of the converter housing 21 aligned perpendicular to a plane determined by the system axes A, B, C. In Fig. 7 this plane corresponds to the paper plane on which the longitudinal axes 9 of the housing are perpendicular.
  • the cylindrical converter housing 21 then projects vertically upwards.
  • the cylinder diameter of the converter housing 21 here determines the housing width b, which in turn turns out to be advantageously small, since in this arrangement according to the invention only one voltage converter has to be accommodated within the circular cross section, since the three voltage converters 2, 3, 4 are arranged one above the other in the direction of the cylinder longitudinal axis.
  • the three voltage converters are arranged next to one another in a star shape within the circular housing cross section, which results in a larger housing diameter and thus a larger housing width b.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Dc-Dc Converters (AREA)

Abstract

An encapsulated voltage converter for use in switching systems has a housing Ä1Ü containing three such converters Ä2,3,4Ü, each having a core Ä5Ü and a coil Ä6Ü. In one version the converters are laid out with the axes Ä10,11,12Ü parallel to each other and one of the converters Ä3Ü is offset from the others. The housing walls are curved to minimise the size of the unit. A number of alternative configurations are possible.

Description

Die Erfindung betrifft eine gekapselte Spannungswandleranordnung für Schaltanlagen mit mehreren Anlagenfeldern, die entlang von nebeneinander verlaufenden Anlagenachsen angeordnet sind, mit einem Wandlergehäuse zur Aufnahme von mehreren, insbesondere drei Spannungswandlern, die jeweils eine Spule aufweisen, die auf einem längs einer Kernachse ausgerichteten Kern angeordnet ist.The invention relates to an encapsulated voltage converter arrangement for switchgear with multiple system fields, which are arranged along adjacent system axes, with a converter housing for receiving several, in particular three voltage converters, each having a coil, which is arranged on a core aligned along a core axis.

Eine derartige Anordnung ist aus der Zeitschrift Elektrizitätswirtschaft, JG. 94 (1995), Heft 14, S. 816 ff, insbesondere Bilder 3 und 4 bekannt. Bei der bekannten Schaltanlage ist ein kreisrundes Wandlergehäuse, das drei Spannungswandler enthält, von oben mittels eines kreisrunden Flansches an dem Gehäuse der Schaltanlage befestigt. Im Inneren des Wandlergehäuses sind die drei Spannungswandler sternförmig mit jeweils gleichen Winkeln von 120° zueinander angeordnet. Der Durchmesser des kreisrunden Wandlergehäuses ist deswegen relativ groß.Such an arrangement is from the magazine Elektrizitätswirtschaft, JG. 94 (1995), Issue 14, pp. 816 ff, particularly Figures 3 and 4. In the known switchgear, a circular converter housing, which contains three voltage transformers, is attached to the housing of the switchgear from above by means of a circular flange. Inside the converter housing, the three voltage converters are arranged in a star shape with the same angles of 120 ° to each other. The diameter of the circular converter housing is therefore relatively large.

Bei Schaltanlagen mit mehreren Anlagenfeldern, die nebeneinander angeordnet sind, kann der Abstand zwischen den nebeneinander verlaufenden Anlagenachsen einen durch den Durchmesser des Wandlergehäuses bestimmten Mindestabstand nicht unterschreiten. Dieser Abstand soll aber möglichst klein sein, damit Raum für zusätzliche Elemente in der Schaltanlage vorhanden ist. Daraus ergibt sich die Forderung nach zunehmend kompakter werdender Bauweise der Schaltanlagen und kleiner werdenden Gehäusedurchmessern für die Wandlergehäuse. Andererseits wächst mit kompakter werdenden Gehäusen das Risiko des Durchschlagens benachbarter Spannungswandler, insbesondere bei Hochspannungsschaltanlagen mit bis zu 145 kV.In switchgear with several system fields that are arranged next to each other, the distance between the system axes running next to each other cannot be less than a minimum distance determined by the diameter of the converter housing. However, this distance should be as small as possible so that there is space for additional elements in the switchgear. This results in the demand for increasingly compact switchgear designs and smaller housing diameters for the converter housings. On the other hand, grows with more compact housing, the risk of breakdown of neighboring voltage transformers, especially in high-voltage switchgear with up to 145 kV.

Der Erfindung liegt die Aufgabe zugrunde, eine gekapselte Spannungswandleranordnung für Schaltanlagen mit mehreren Anlagenfeldern anzugeben, die eine geringe Gehäusebreite aufweist und trotzdem einen ausreichenden Abstand zwischen den spannungsführenden Bauteilen gewährleistet.The invention is based on the object of specifying an encapsulated voltage converter arrangement for switchgear assemblies with a plurality of system fields, which has a small housing width and nevertheless ensures a sufficient distance between the live components.

Die Lösung der Aufgabe ergibt sich aus dem kennzeichnenden Teil des Patentanspruchs 1. Im Prinzip besteht die erfindungsgemäße Lösung darin, das Wandlergehäuse länglich auszugestalten, wobei die größere Gehäuselänge im wesentlichen parallel zu den Anlagenachsen auszurichten ist und die kleinere Gehäusebreite kleiner ausfällt, als die bekannten Durchmesser kreisrunder Wandlergehäuse. Daraus ergibt sich der Vorteil, daß bei Schaltanlagen mit mehreren Anlagenfeldern auch mehrere Wandlergehäuse in einem kürzeren Abstand zueinander angeordnet werden können. Die Schaltanlagen werden dadurch kompakter, ohne daß Abstriche hinsichtlich der Spannungsfestigkeit gemacht werden müßten.The solution to the problem arises from the characterizing part of patent claim 1. In principle, the solution according to the invention consists in making the converter housing elongated, the longer housing length being essentially parallel to the system axes and the smaller housing width being smaller than the known diameter circular converter housing. This results in the advantage that, in switchgear assemblies with several plant fields, several converter housings can also be arranged at a shorter distance from one another. This makes the switchgear more compact, without having to cut back on the dielectric strength.

Gemäß einer bevorzugten Ausführungsform der Erfindung werden die Gehäuselängsachsen der Wandlergehäuse im wesentlichen parallel zu den Anlagenachsen ausgerichtet.According to a preferred embodiment of the invention, the housing longitudinal axes of the converter housings are aligned essentially parallel to the system axes.

In einer ersten vorteilhaften Ausgestaltung ist das Wandlergehäuse im Schnitt elliptisch, wobei vier rechteckig angeordnete und abgerundete Ecken angedeutet sind. Diese Gehäuseform empfielt sich insbesondere, wenn der Innenraum des Wandlergehäuses mit einem Isoliergas, beispielsweise Schwefelhexafluorid, unter hohem Druck gefüllt werden soll. Die gebogenen Gehäusewände benötigen nur eine geringe Wandstärke.In a first advantageous embodiment, the converter housing is elliptical in section, with four rectangularly arranged and rounded corners being indicated. This form of housing is particularly recommended if the interior of the converter housing is covered with an insulating gas, for example sulfur hexafluoride high pressure to be filled. The curved housing walls only require a small wall thickness.

In einer zweiten Ausgestaltungsform des Wandlergehäuses sind zusätzlich die Längsseiten abgeflacht. Diese Gehäuseform ist insbesondere dann vorteilhaft, wenn die Gehäuselänge nicht sehr viel größer ist als die Gehäusebreite.In a second embodiment of the converter housing, the long sides are additionally flattened. This housing shape is particularly advantageous when the housing length is not very much larger than the housing width.

Bei den stärker länglich ausgebildeten Wandlergehäusen empfiehlt sich eine Anordnung von drei Spannungswandlern, die mit ihren Kernachsen parallel zur Gehäuselängsachse ausgerichtet und in Längsrichtung hintereinander angeordnet sind. Dabei sind die Kerne des ersten und des dritten Spannungswandlers seitlich links neben der Gehäuselängsachse und der Kern des mittleren Spannungswandlers rechts daneben versetzt, so daß sich die nebeneinander liegenden freien Enden der Kerne in Längsrichtung überlappen. Diese Anordnung nutzt sowohl die Gehäuselänge als auch die Gehäusebreite optimal aus, ohne daß die auf den Kernen angeordneten Spulen zu nahe an die Gehäusewände zu liegen kämen. Auch die Abstände der Spulen untereinander sind groß genug, um Spannungsüberschläge zu verhindern.For the more elongated converter housings, an arrangement of three voltage transformers is recommended, which are aligned with their core axes parallel to the longitudinal axis of the housing and arranged one behind the other in the longitudinal direction. The cores of the first and third voltage converters are laterally offset to the left of the longitudinal axis of the housing and the core of the central voltage converter to the right of it, so that the adjacent free ends of the cores overlap in the longitudinal direction. This arrangement makes optimal use of both the length of the housing and the width of the housing without the coils arranged on the cores coming too close to the housing walls. The distances between the coils are also large enough to prevent voltage flashovers.

Eine andere bevorzugte Anordnung der Spannungswandler in einem stärker länglich ausgebildeten Wandlergehäuse besteht darin, daß die drei Spannungswandler mit ihren Kernachsen quer zur Gehäuselängsachse ausgerichtet und in Längsrichtung hintereinander angeordnet sind. Dabei kann die Stabilität der gesamten Anordnung und der magnetische Fluß durch die Kerne noch verbessert werden, wenn die Kerne durch zwei seitliche in Längsrichtung verlaufende Kernschenkel einstückig miteinander verbunden sind.Another preferred arrangement of the voltage converters in a more elongated converter housing is that the three voltage converters are aligned with their core axes transversely to the longitudinal axis of the housing and are arranged one behind the other in the longitudinal direction. The stability of the entire arrangement and the magnetic flux through the cores can be further improved if the cores are integrally connected to one another by two lateral core limbs running in the longitudinal direction.

Bei einem weniger länglich ausgebildeten Wandlergehäuse empfiehlt sich eine Anordnung der drei Spannungswandler in Sternform mit radial voneinander wegweisenden Kernachsen, wobei die Kernachse eines der Spannungswandler parallel zur Gehäuselängsachse ausgerichtet ist und die beiden anderen Kernachsen jeweils einen Winkel von mehr als 120° zur ersten Kernachse aufweisen. Obwohl diese Anordnung nicht sehr stark von der bekannten Anordnung mit drei 120°-Winkeln zwischen den Kernachsen abweicht, ergibt sich trotzdem ein wesentlicher Vorteil im Hinblick auf die verringerte Gehäusebreite.In the case of a converter housing of less elongation, it is advisable to arrange the three voltage transformers in a star shape with radially facing core axes, the core axis of one of the voltage converters being aligned parallel to the longitudinal axis of the housing and the other two core axes each having an angle of more than 120 ° to the first core axis. Although this arrangement does not deviate very much from the known arrangement with three 120 ° angles between the core axes, there is nevertheless a significant advantage with regard to the reduced housing width.

In einer weiteren Ausführungsform der Erfindung ist die Gehäuselängsachse des Wandlergehäuses im wesentlichen senkrecht zu einer durch die Anlagenachsen bestimmten Ebene ausgerichtet. In der Praxis steht also das Wandlergehäuse mit seiner Gehäuselängsachse vertikal. Bei dieser Gehäuseausrichtung empfiehlt sich eine Anordnung der Spannungswandler übereinander, wobei die Kernachsen quer zur Gehäuselängsachse ausgerichtet und wiederum durch zwei seitliche in Längsrichtung des Gehäuses verlaufende Kernschenkel einstückig miteinander verbunden sind. Diese Ausführungsform kann bei Schaltanlagen empfohlen werden, deren Bauraum in der Breite, d.h. quer zu den Anlagenachsen eingeschränkt ist, wo jedoch vertikal nach oben genügend Bauraum zur Verfügung steht.In a further embodiment of the invention, the housing longitudinal axis of the converter housing is aligned essentially perpendicular to a plane determined by the system axes. In practice, the converter housing with its longitudinal axis is vertical. With this housing alignment, it is advisable to arrange the voltage transformers one above the other, the core axes being aligned transversely to the longitudinal axis of the housing and in turn being integrally connected to one another by two lateral core legs running in the longitudinal direction of the housing. This embodiment can be recommended for switchgear whose installation space is wide, i.e. is limited across the system axes, but where there is sufficient space vertically upwards.

Gegenstand der Erfindung ist ferner auch eine Schaltanlage mit erfindungsgemäß ausgestalteten Spannungswandleranordnungen. Dabei sind in einer besonders einfachen ersten Ausgestaltungsform der Schaltanlage die Wandlergehäuse in Querrichtung zu den Anlagenachsen einfach nebeneinander in Reihe angeordnet. Schon eine derartige Anordnung ist wegen der erfindungsgemäßen Ausgestaltung der Spannungswandleranordnungen kompakter als bekannte Schaltanlagen.The invention also relates to a switchgear assembly with voltage converter arrangements designed according to the invention. In a particularly simple first embodiment of the switchgear, the converter housings are simply arranged next to one another in a row in the transverse direction to the system axes. Such an arrangement is already due to the configuration of the invention Voltage converter arrangements more compact than known switchgear.

Die Erfindung wird in einer bevorzugten Ausführungsform unter Bezugnahme auf eine Zeichnung beschrieben, wobei weitere vorteilhafte Einzelheiten den Figuren der Zeichnung zu entnehmen sind. Funktionsmäßig gleiche Teile sind dabei mit denselben Bezugszeichen versehen.The invention is described in a preferred embodiment with reference to a drawing, with further advantageous details being shown in the figures of the drawing. Functionally identical parts are provided with the same reference numerals.

Die Zeichnungen zeigen im einzelnen:

Fig. 1:
eine schematische Darstellung einer erfindungsgemäßen Spannungswandleranordnung mit geschnittenem Wandlergehäuse in einer ersten Ausgestaltungsform und einer Draufsicht auf die Spannungswandler in einer bevorzugten Anordnung,
Fig. 2:
wie Fig. 1 mit einer zweiten Anordnung der Spannungswandler,
Fig. 3:
wie Fig. 1 mit einer zweiten Ausgestaltungsform der Wandlergehäuses und einer dritten Anordnung der Spannungswandler,
Fig. 4:
wie Fig. 1 mit einer weiteren Ausgestaltungsform des Wandlergehäuses und einer weiteren Anordnung der Spannungswandler,
Fig. 5:
eine schematische Darstellung einer Anordnung von Wandlergehäusen gemäß der Fig. 1 und 2,
Fig. 6:
dieselbe Anordnungsform von anderen Wandlergehäusen gem. Fig. 3,
Fig. 7:
eine entsprechende Anordnung von Wandlergehäusen gem. Fig. 4.
The drawings show in detail:
Fig. 1:
1 shows a schematic illustration of a voltage converter arrangement according to the invention with a cut converter housing in a first embodiment and a top view of the voltage converter in a preferred arrangement,
Fig. 2:
1 with a second arrangement of the voltage converters,
Fig. 3:
1 with a second embodiment of the converter housing and a third arrangement of the voltage converters,
Fig. 4:
1 with a further embodiment of the converter housing and a further arrangement of the voltage converters,
Fig. 5:
2 shows a schematic illustration of an arrangement of converter housings according to FIGS. 1 and 2,
Fig. 6:
the same arrangement of other converter housings acc. Fig. 3,
Fig. 7:
a corresponding arrangement of converter housings acc. Fig. 4.

In den Fig.1 und 2 erkennt man ein längliches Wandlergehäuse 1 mit einer Gehäuselänge l und einer Gehäusebereite b, die kleiner als die Gehäuselänge l ist. Innerhalb des Wandlergehäuses 1 sind drei Spannungswandler 2, 3, 4 angeordnet, die jeweils einen Kern 5 und eine Spule 6 aufweisen. Das Wandlergehäuse 1 ist im wesentlichen elliptisch ausgestaltet und hat vier rechteckig angeordnete und abgerundete Ecken 7. Zwei Seitenwände 8 sind gebogen ausgeführt und erstrecken sich im wesentlichen in Richtung einer Gehäuselängsachse 9.1 and 2 show an elongated converter housing 1 with a housing length l and a housing width b that is smaller than the housing length l. Within the converter housing 1, three voltage converters 2, 3, 4 are arranged, each having a core 5 and a coil 6. The converter housing 1 is essentially elliptical and has four rectangularly arranged and rounded corners 7. Two side walls 8 are curved and extend essentially in the direction of a housing longitudinal axis 9.

Die Spannungswandler 2, 3, 4 sind in länglicher Formation in Richtung der Gehäuselängsachse 9 hintereinander angeordnet, wobei die Kernachsen 10, 11, 12 der Kerne 5 parallel zur Gehäuselängsachse 9 liegen. Die Kernachsen 10 und 12 eines ersten und eines dritten Kerns 5 sind seitlich nach links gegenüber der Gehäuselängsachse 9 verschoben. Ein zweiter mittlerer Kern 5 mit der Kernachse 11 ist seitlich rechts gegenüber der Gehäuselängsachse 9 verschoben. Die freien Enden 13, 14, 15, 16 der Kerne 5 liegen nebeneinander und überlappen sich in Längsrichtung.The voltage converters 2, 3, 4 are arranged one behind the other in an elongated formation in the direction of the longitudinal axis 9 of the housing, the core axes 10, 11, 12 of the cores 5 lying parallel to the longitudinal axis 9 of the housing. The core axes 10 and 12 of a first and a third core 5 are shifted laterally to the left with respect to the longitudinal axis 9 of the housing. A second central core 5 with the core axis 11 is laterally displaced relative to the longitudinal axis 9 of the housing. The free ends 13, 14, 15, 16 of the cores 5 lie next to one another and overlap in the longitudinal direction.

Bei der in Fig. 2 dargestellten Anordnung sind die Kernachsen 10, 11, 12 quer zur Gehäuselängsachse 9 ausgerichtet und die Spannungswandler 2, 3, 4 wiederum in Längsrichtung hintereinander angeordnet. Die drei Kerne 5 sind durch zwei seitliche, parallel zur Gehäuselängsachse 9 verlaufende Kernschenkel 17, 18 einstückig miteinander verbunden.In the arrangement shown in FIG. 2, the core axes 10, 11, 12 are aligned transversely to the longitudinal axis 9 of the housing and the voltage converters 2, 3, 4 are in turn arranged one behind the other in the longitudinal direction. The three cores 5 are integrally connected to one another by two lateral core legs 17, 18 running parallel to the longitudinal axis 9 of the housing.

Fig. 3 zeigt ein Wandlergehäuse 19, bei dem die Gehäuselänge l nicht sehr viel größer als die Gehäusebreite b ist. Darüber hinaus ist das Wandlergehäuse 19 an seinen Längsseiten abgeflacht, so daß zwei gerade, parallel verlaufende Seitenwände 20 entstehen. Die drei Spannungswandler 2, 3, 4 sind sternförmig mit radialen Kernachsen 10, 11, 12 angeordnet, wobei die Kernachse 10 eines ersten Spannungswandlers 2 parallel zur Gehäuselängsachse 9 ausgerichtet ist und mit dieser zusammenfällt. Die beiden anderen Kernachsen 11, 12 der beiden anderen Spannungswandler 3, 4 weisen jeweils zur ersten Kernachse 10 einen Winkel W von mehr als 120° auf.Fig. 3 shows a converter housing 19, in which the housing length l is not very much larger than the housing width b. In addition, the converter housing 19 is flattened on its long sides, so that two straight, parallel side walls 20 are formed. The three voltage converters 2, 3, 4 are arranged in a star shape with radial core axes 10, 11, 12, the core axis 10 of a first voltage converter 2 being aligned parallel to the longitudinal axis 9 of the housing and coinciding therewith. The two other core axes 11, 12 of the two other voltage converters 3, 4 each have an angle W of more than 120 ° to the first core axis 10.

Das in Fig. 4 dargestellte Wandlergehäuse 21 ist im wesentlichen zylinderförmig, wobei wiederum die Gehäuselänge l größer als die dem Zylinderdurchmesser entsprechende Gehäusebreite b ist. Auch hier sind die Spannungswandler 2, 3, 4 mit ihren Kernachsen 10, 11, 12 quer zur Gehäuselängsachse 9 angeordnet, wobei die Kerne 5 durch zwei seitliche, parallel zur Gehäuselängsachse 9 verlaufende Kernschenkel 17, 18 einstückig miteinander verbunden sind. Man erkennt in der Fig. 4 auch drei elektrische Leiter 22, mittels derer die elektrische Spannung an die drei Spulen 6 herangeführt wird.The converter housing 21 shown in FIG. 4 is essentially cylindrical, the housing length l again being greater than the housing width b corresponding to the cylinder diameter. Here too, the voltage converters 2, 3, 4 are arranged with their core axes 10, 11, 12 transversely to the longitudinal axis 9 of the housing, the cores 5 being integrally connected to one another by two lateral core legs 17, 18 running parallel to the longitudinal axis 9 of the housing. 4 also shows three electrical conductors 22, by means of which the electrical voltage is brought to the three coils 6.

In den Fig. 5 bis 7 ist die Anordnung der erfindungsgemäßen Wandlergehäuse 1, 19, 21 in elektrischen Schaltanlagen dargestellt. Eine derartige Schaltanlage besitzt drei Anlagenfeldern, die entlang von parallel zueinander verlaufenden Anlagenachsen A, B, C angeordnet sind. Bei den in den Fig. 5 und 6 dargestellten Anordnungen ist die jeweilige Gehäuselängsachse der Wandlergehäuse 1, 9, 21 parallel zu den Anlagenachsen A, B, C ausgerichtet. Wegen der geringen Gehäusebreite b können die Abstände t zwischen den Anlagenachsen A, B, C vorteilhaft klein gehalten sein. Dabei sind die Wandlergehäuse 1, 19 quer zu den Anlagenachsen A, B, C in einfacher Reihe nebeneinander angeordnet.5 to 7, the arrangement of the converter housing 1, 19, 21 according to the invention is shown in electrical switchgear. Such a switchgear has three system fields, which are arranged along mutually parallel system axes A, B, C. In the arrangements shown in FIGS. 5 and 6, the respective longitudinal axis of the housing of the converter housing 1, 9, 21 is aligned parallel to the system axes A, B, C. Because of the small housing width b, the distances t between the system axes A, B, C can advantageously be kept small. The converter housings 1, 19 are arranged next to one another in a simple row transversely to the system axes A, B, C.

Bei einer weiteren, in Fig. 7 dargestellten Ausführungsform der Erfindung, sind die Gehäuselängsachsen 9 der Wandlergehäuse 21 senkrecht zu einer durch die Anlagenachsen A, B, C bestimmten Ebene ausgerichtet. In Fig. 7 entspricht diese Ebene der Papierebene, auf der die Gehäuselängsachsen 9 senkrecht stehen. Das zylindrische Wandlergehäuse 21 ragt dann vertikal nach oben. Der Zylinderdurchmesser des Wandlergehäuses 21 bestimmt hier die Gehäusebreite b, die wiederum vorteilhaft klein ausfällt, da bei dieser erfindungsgemäßen Anordnung innerhalb des kreisförmigen Querschnitts nur ein Spannungswandler untergebracht werden muß, da die drei Spannungswandler 2, 3, 4 übereinander in Richtung der Zylinderlängsachse angeordnet sind. Im Gegensatz dazu sind bei dem Stand der Technik die drei Spannungswandler innerhalb des kreisförmigen Gehäusequerschnitts nebeneinander sternförmig angeordnet, woraus sich ein größerer Gehäusedurchmesser und damit eine größere Gehäusebreite b ergibt.In a further embodiment of the invention shown in FIG. 7, the Longitudinal axis 9 of the converter housing 21 aligned perpendicular to a plane determined by the system axes A, B, C. In Fig. 7 this plane corresponds to the paper plane on which the longitudinal axes 9 of the housing are perpendicular. The cylindrical converter housing 21 then projects vertically upwards. The cylinder diameter of the converter housing 21 here determines the housing width b, which in turn turns out to be advantageously small, since in this arrangement according to the invention only one voltage converter has to be accommodated within the circular cross section, since the three voltage converters 2, 3, 4 are arranged one above the other in the direction of the cylinder longitudinal axis. In contrast to this, in the prior art the three voltage converters are arranged next to one another in a star shape within the circular housing cross section, which results in a larger housing diameter and thus a larger housing width b.

BezugszeichenlisteReference list

11
WandlergehäuseConverter housing
22nd
SpannungswandlerVoltage converter
33rd
SpannungswandlerVoltage converter
44th
SpannungswandlerVoltage converter
55
Kerncore
66
SpuleKitchen sink
77
EckenCorners
88th
Seitenwändeside walls
99
GehäuselängsachseLongitudinal axis of the housing
1010th
KernachseCore axis
1111
KernachseCore axis
1212th
KernachseCore axis
1313
freies Endefree end
1414
freies Endefree end
1515
freies Endefree end
1616
freies Endefree end
1717th
KernschenkelKernel
1818th
KernschenkelKernel
1919th
WandlergehäuseConverter housing
2020th
Seitenwändeside walls
2121
WandlergehäuseConverter housing
2222
Leiterladder
AA
AnlagenachseSystem axis
BB
AnlagenachseSystem axis
CC.
AnlagenachseSystem axis
ll
GehäuselängeCase length
bb
GehäusebreiteCase width
tt
Abstanddistance
WW
Winkelangle

Claims (11)

Gekapselte Spannungswandleranordnung für Schaltanlagen mit mehreren Anlagenfeldern, die entlang von nebeneinander verlaufenden Anlagenachsen (A, B, C) angeordnet sind; mit einem Wandlergehäuse (1. 19, 21) zur Aufnahme von mehreren, insbesondere drei Spannungswandlern (2, 3, 4), die jeweils eine Spule (6) aufweisen, die auf einem längs einer Kernachse (10, 11, 12) ausgerichteten Kern (5) angeordnet ist, dadurch gekennzeichnet, daß das Wandlergehäuse (1, 19, 21) im Schnitt länglich mit einer größeren Gehäuselänge (l) und einer kleineren Gehäusebreite (b) ausgestaltet ist, wobei die Gehäusebreite (b) quer zu den Anlagenachsen (A, B, C) auszurichten ist, und daß die Spannungswandler (2, 3, 4) im Wandlergehäuse (1, 19, 21) in länglicher Formation in bezug auf die Gehäuselänge (l) angeordnet sind.Encapsulated voltage transformer arrangement for switchgear assemblies with a plurality of system fields, which are arranged along mutually adjacent system axes (A, B, C); with a converter housing (1. 19, 21) for receiving a plurality of, in particular three voltage converters (2, 3, 4), each having a coil (6) on a core aligned along a core axis (10, 11, 12) (5) is arranged, characterized in that the converter housing (1, 19, 21) is elongated in section with a larger housing length (l) and a smaller housing width (b), the housing width (b) transverse to the system axes ( A, B, C) is to be aligned, and that the voltage converters (2, 3, 4) in the converter housing (1, 19, 21) are arranged in an elongated formation with respect to the housing length (l). Gekapselte Spannungswandleranordnung nach Anspruch 1, dadurch gekennzeichnet, daß eine Gehäuselängsachse (9) des Wandlergehäuses (1, 19) vorgesehen ist, die im wesentlichen parallel zu den Anlagenachsen (A, B, C) ausgerichtet ist.Encapsulated voltage converter arrangement according to Claim 1, characterized in that a longitudinal axis (9) of the converter housing (1, 19) is provided which is oriented essentially parallel to the system axes (A, B, C). Gekapselte Spannungswandleranordnung nach Anspruch 2, dadurch gekennzeichnet, daß das Wandlergehäuse (1) im Horizontalschnitt im wesentlichen elliptisch ausgestaltet ist, wobei vier rechteckig angeordnete und abgerundete Ecken (7) angedeutet sind.Encapsulated voltage converter arrangement according to claim 2, characterized in that the converter housing (1) is essentially elliptical in horizontal section, four rectangularly arranged and rounded corners (7) being indicated. Gekapselte Spannungswandleranordnung nach Anspruch 3, dadurch gekennzeichnet, daß das Wandlergehäuse (19) im Horizontalschnitt zusätzlich an den Längsseiten abgeflacht ist.Encapsulated voltage converter arrangement according to claim 3, characterized in that the converter housing (19) is additionally flattened on the long sides in horizontal section. Gekapselte Spannungswandleranordnung nach Anspruch 2, 3 oder 4, dadurch gekennzeichnet, daß drei Spannungswandler (2, 3, 4) mit ihren Kernachsen (10, 11, 12) parallel zur Gehäuselängsachse (9) ausgerichtet und in Längsrichtung hintereinander angeordnet sind, wobei ein erster und ein dritter Kern (5) mit den Kernachsen (10, 12) seitlich neben der Gehäuselängsachse (9) zur einen Seite hin und ein zweiter, mittlerer Kern (5) mit der Kernachse (11) zur anderen Seite hin versetzt ist, so daß sich die nebeneinanderliegenden freien Enden (13, 14, 15, 16) der Kerne (5) in Längsrichtung überlappen.Encapsulated voltage converter arrangement according to claim 2, 3 or 4, characterized in that three voltage converters (2, 3, 4) are aligned with their core axes (10, 11, 12) parallel to the longitudinal axis of the housing (9) and arranged one behind the other in the longitudinal direction, a first and a third core (5) with the core axes (10, 12) laterally next to the housing longitudinal axis (9) to one side and a second, central core (5) with the core axis (11) to the other side, so that the adjacent free ends (13, 14, 15, 16) of the cores (5) overlap in the longitudinal direction. Gekapselte Spannungswandleranordnung nach Anspruch 2, 3 oder 4, dadurch gekennzeichnet, daß die Spannungswandler (2, 3, 4) mit ihren Kernachsen (10, 11, 12) quer zur Gehäuselängsachse (9) ausgerichtet und in Längsrichtung hintereinander angeordnet sind, wobei die Kerne (5) durch zwei seitliche, in Längsrichtung verlaufende Kernschenkel (17, 18) einstückig miteinander verbunden sind.Encapsulated voltage converter arrangement according to claim 2, 3 or 4, characterized in that the voltage converters (2, 3, 4) are aligned with their core axes (10, 11, 12) transversely to the longitudinal axis of the housing (9) and are arranged one behind the other in the longitudinal direction, the cores (5) are integrally connected to one another by two lateral core legs (17, 18) running in the longitudinal direction. Gekapselte Spannungswandleranordnung nach Anspruch 2, 3 oder 4, dadurch gekennzeichnet, daß drei Spannungswandler (2, 3, 4) sternförmig mit radialen Kernachsen (10, 11, 12) angeordnet sind, wobei die Kernachse (10) eines ersten Spannungswandlers (2) im wesentlichen parallel zur Gehäuselängsachse (9) ausgerichtet ist und die beiden anderen Kernachsen (11, 12) jeweils einen Winkel (W) von mehr als 120° zur ersten Kernachse (10) aufweisen.Encapsulated voltage converter arrangement according to claim 2, 3 or 4, characterized in that three voltage converters (2, 3, 4) are arranged in a star shape with radial core axes (10, 11, 12), the core axis (10) of a first voltage converter (2) in the is aligned substantially parallel to the longitudinal axis of the housing (9) and the two other core axes (11, 12) each have an angle (W) of more than 120 ° to the first core axis (10). Gekapselte Spannungswandleranordnung nach Anspruch 1, dadurch gekennzeichnet, daß die Gehäuselängsachse (9) des Wandlergehäuses (21) im wesentlichen senkrecht zu einer durch die Anlagenachsen (A, B, C) bestimmten Ebene ausgerichtet ist.Encapsulated voltage converter arrangement according to claim 1, characterized in that the longitudinal axis (9) of the converter housing (21) is oriented substantially perpendicular to a plane determined by the system axes (A, B, C). Gekapselte Spannungswandleranordnung nach Anspruch 8, dadurch gekennzeichnet, daß die Spannungswandler (2, 3, 4) mit ihren Kernachsen (10, 11, 12) quer zur Gehäuselängsachse (9) ausgerichtet und in Längsrichtung übereinander angeordnet sind, wobei die Kerne (5) durch zwei seitliche, in Längsrichtung verlaufende Kernschenkel (17, 18) einstückig miteinander verbunden sind.Encapsulated voltage converter arrangement according to claim 8 , characterized in that the voltage converters (2, 3, 4) are aligned with their core axes (10, 11, 12) transversely to the longitudinal axis of the housing (9) and are arranged one above the other in the longitudinal direction, the cores (5) passing through two lateral, longitudinally extending core legs (17, 18) are integrally connected to one another. Gekapselte Spannungswandleranordnung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Wandlergehäuse (1, 19, 21) mit einem Isoliergas, vorzugsweise SF6 gefüllt ist.Encapsulated voltage converter arrangement according to one of the preceding claims, characterized in that the converter housing (1, 19, 21) is filled with an insulating gas, preferably SF 6 . Schaltanlage mit mehreren Anlagenfeldern, die entlang von nebeneinander verlaufenden Anlagenachsen (A, B, C) angeordnet sind, und mit gekapselten Spannungswandleranordnungen nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Wandlergehäuse (1, 19, 21) in Querrichtung zu den Anlageachsen (A, B, C) nebeneinander angeordnet sind.Switchgear with several plant fields, which are arranged along plant axes (A, B, C) running next to each other, and with Encapsulated voltage converter arrangements according to one of the preceding claims, characterized in that the converter housings (1, 19, 21) are arranged next to one another in the transverse direction to the contact axes (A, B, C).
EP95110858A 1995-07-12 1995-07-12 Encapsulated voltage transformer device for switching arrangements with several installation unit members Expired - Lifetime EP0755062B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE59505209T DE59505209D1 (en) 1995-07-12 1995-07-12 Encapsulated voltage transformer arrangement for switchgear with several system fields
EP95110858A EP0755062B1 (en) 1995-07-12 1995-07-12 Encapsulated voltage transformer device for switching arrangements with several installation unit members
AT95110858T ATE177249T1 (en) 1995-07-12 1995-07-12 ENCAPSULATED VOLTAGE CONVERTER ARRANGEMENT FOR SWITCHGEARS WITH MULTIPLE PANELS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95110858A EP0755062B1 (en) 1995-07-12 1995-07-12 Encapsulated voltage transformer device for switching arrangements with several installation unit members

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EP0755062A1 true EP0755062A1 (en) 1997-01-22
EP0755062B1 EP0755062B1 (en) 1999-03-03

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AT (1) ATE177249T1 (en)
DE (1) DE59505209D1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2346128A1 (en) * 2010-01-18 2011-07-20 ABB Technology AG Gas-insulated sensor module

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE576081C (en) * 1929-05-01 1933-05-08 Koch & Sterzel Akt Ges High-voltage transformer, in particular a voltage converter, the high-voltage winding of which is housed in a one-piece coil box made of insulating material
DE701383C (en) * 1938-11-23 1941-01-15 Aeg Bushing current transformer
DE904074C (en) * 1944-06-18 1954-02-15 Koch & Sterzel Ag Dry voltage converter
JPS56114308A (en) * 1980-02-14 1981-09-08 Nissin Electric Co Ltd Multiphase voltage transformer
DE9209167U1 (en) * 1992-07-08 1992-11-26 Kommanditgesellschaft Ritz Messwandler GmbH & Co, 20251 Hamburg Voltage transformers for metal-enclosed switchgear

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE576081C (en) * 1929-05-01 1933-05-08 Koch & Sterzel Akt Ges High-voltage transformer, in particular a voltage converter, the high-voltage winding of which is housed in a one-piece coil box made of insulating material
DE701383C (en) * 1938-11-23 1941-01-15 Aeg Bushing current transformer
DE904074C (en) * 1944-06-18 1954-02-15 Koch & Sterzel Ag Dry voltage converter
JPS56114308A (en) * 1980-02-14 1981-09-08 Nissin Electric Co Ltd Multiphase voltage transformer
DE9209167U1 (en) * 1992-07-08 1992-11-26 Kommanditgesellschaft Ritz Messwandler GmbH & Co, 20251 Hamburg Voltage transformers for metal-enclosed switchgear

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Title
PATENT ABSTRACTS OF JAPAN vol. 005, no. 192 (E - 085) 8 December 1981 (1981-12-08) *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2346128A1 (en) * 2010-01-18 2011-07-20 ABB Technology AG Gas-insulated sensor module
CN102163817A (en) * 2010-01-18 2011-08-24 Abb技术有限公司 Gas-insulated sensor module
KR101289837B1 (en) * 2010-01-18 2013-07-26 에이비비 테크놀로지 아게 Gas-insulated sensor module
CN102163817B (en) * 2010-01-18 2014-04-02 Abb技术有限公司 Gas-insulated sensor module

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ATE177249T1 (en) 1999-03-15
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