EP1786010B1 - Electrical switchgear - Google Patents
Electrical switchgear Download PDFInfo
- Publication number
- EP1786010B1 EP1786010B1 EP06021102A EP06021102A EP1786010B1 EP 1786010 B1 EP1786010 B1 EP 1786010B1 EP 06021102 A EP06021102 A EP 06021102A EP 06021102 A EP06021102 A EP 06021102A EP 1786010 B1 EP1786010 B1 EP 1786010B1
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- EP
- European Patent Office
- Prior art keywords
- switchgear
- grounding
- contact arms
- power switch
- terminals
- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
Definitions
- the invention relates to an electrical switchgear according to the preamble of claim 1.
- switchgear in which, for example, three circuit breaker poles are arranged on a support frame.
- Each of the circuit breaker poles is assigned a grounding switch.
- the respectively assigned circuit breaker pole can be earthed.
- the earthing switches have for this purpose pivotable contact arms, which are in a switch-on in electrical contact with a terminal of the respective associated circuit breaker pole. In a Off position, the contact arms are pivoted about 90 degrees about an arranged in the region of the support frame pivot axis. In the OFF position, one or more of the contact arms project outwardly from the support frame.
- Such a switchgear with the features of the preamble of claim 1 is in the EP-A-0948011 disclosed.
- the object of the invention is to provide an electrical switchgear with a reduced volume of construction.
- the invention solves this problem by an electrical switchgear according to claim 1.
- the electrical switchgear at least two side by side arranged on a support frame circuit breaker poles are provided. Furthermore, there are two linkages driven by a grounding switch, which are assigned to the two circuit breaker poles and provided for their electrical grounding. Each of the earthing switch has a pivotable contact arm, the pivot axis is aligned approximately perpendicular to the main extension direction of the support frame. The two arranged at the ends of the support frame contact arms are pivotable from the linkage in opposite directions.
- the required construction volume of the switchgear according to the invention is thus much lower compared to the prior art.
- the pivot axes of the contact arms are aligned approximately horizontally.
- the contact arms in the closed position are arranged approximately vertically and in the off position approximately horizontally.
- the contact arms are arranged in the off position substantially in front of the support frame.
- Each of the circuit breaker poles has two terminals.
- each of the terminals is assigned a separate contact arm for grounding, or that the same connection arm is assigned to the grounding of the two terminals.
- FIG. 1 shows a schematic front view of an embodiment of an electrical switchgear according to the invention from the direction V of FIG. 2
- FIG. 2 shows a schematic side view of the switchgear of FIG. 1 from the direction of the S FIG. 1
- FIG. 3 shows a schematic plan view of the switchgear of FIG. 1 from direction D of FIG. 1
- FIG. 4 shows a schematic perspective view of a Embodiment of the linkage of the switchgear of FIG. 1 ,
- FIGS. 1, 2 and 3 a three-phase electrical switchgear 10 is shown, which has a cultivschalterpol 11 and a grounding switch 12 for each of the phases.
- the three circuit breaker poles 11 and the three earthing switches 12 are held side by side on a support frame 13 which can be set up by means of two support feet 14 on a floor.
- Each of the three circuit breaker poles 11 is preferably of similar design. It may be a known high-voltage circuit breaker or a known high-voltage circuit breaker with disconnector function, in particular according to IEC 62271-108 or a known high-voltage circuit breaker. Each of the three circuit breaker poles 11 is formed substantially cylindrical and projects from the support frame 13 in an approximately vertical upward direction.
- Each of the three circuit breaker poles 11 is provided with a first terminal 16, which is arranged approximately in the middle of the circuit breaker pole 11 and thus spaced from the support frame 13, and with a second terminal 17, which is approximately at the free end of counselschalterpols 11 is arranged and thus has a distance from the first terminal 16.
- insulators 18 are present, in the interior of the other components of the circuit breaker pole 11 are housed.
- Each of the three circuit breaker poles 11 is assigned to one of the earthing switches 12. All three earthing switches 12 are electrically connected to earth or ground via the support frame 13 and the support feet 14, for example. It is possible that movable components of the earthing switch 12 are electrically connected to the support frame 13 and / or the support feet 14 by means of flexible earth cables or with the aid of sliding contacts.
- the three earthing switches 12 are of a similar construction, for which reason only one of the three earthing switches 12 will be described in more detail below.
- the earthing switch 12 is a pivotable contact arm 21 or 22, which can be swung back and forth between a switch-on position and a switch-off position by about 90 degrees. In the on position, the terminal 16 of the circuit breaker pole 11 is grounded through the associated grounding switch 12, while in the off position of the contact arm 21 and 22 is not the case.
- the pivot axis of the contact arm 21 or 22 is arranged approximately at the lower end of the associated circuit breaker pole 11 and there in the region of the support frame 13.
- the support frame 13 has a longitudinal direction in which it extends mainly. This represents the Hauptausdehnungsraum of the support frame 13.
- the pivot axis of the three contact arms 21, 22 is on the one hand aligned approximately perpendicular to this longitudinal direction or Hauptausdehnungsraum.
- the pivot axis of the three contact arms 21, 22 is aligned substantially perpendicular to the cylinder axis of the respectively associated circuit breaker pole 11. If the circuit breaker poles 11, as described, substantially vertically aligned, the pivot axes of the contact arms 21, 22 are arranged substantially horizontally.
- the pivot axis of one of the three contact arms 21 is shown by way of example as a dashed line and designated by the reference numeral 20.
- the contact arm 21 and 22 In the switch-on position, which in the FIG. 1 shown with dashed lines, the contact arm 21 and 22 is aligned in an approximately vertical direction. The free end of the contact arm 21 or 22 is in electrical contact with the first terminal 16 of the associated circuit breaker pole 11. In the off position, the in of the FIG. 1 shown by solid lines, the contact arm 21 and 22 is arranged approximately vertically. The free end of the contact arm 21 or 22 is in no electrical contact with any other component.
- the Indian FIG. 1 arranged on the left support frame 13 contact arm 21 pivots in the illustration of FIG. 1 from the switch-on position clockwise to the right in the switch-off position. This is in the FIG. 1 indicated by a dashed quadrant 24. The same applies to the in the FIG. 1 arranged in the middle of the contact arm 21.
- This central contact arm 21 pivots in the representation of FIG. 1 from the switch-on position clockwise to the right in the switch-off position.
- the Indian FIG. 1 However, arranged on the right supporting frame 13 contact arm 22 pivots in the illustration of FIG. 1 from the closed position counterclockwise to the left to the off position. This is in the FIG. 1 indicated by a dashed quadrant 25.
- the middle contact arm 21 can optionally pivot in both directions.
- a linkage 27 is provided in the region of the support frame 13, which can be driven by a drive 28. With the aid of this linkage 27, the three contact arms 21 and 22 can be moved substantially simultaneously by the drive 28 from the on position to the off position or vice versa.
- the linkage is designed such that the two arranged at the ends of the support frame 13 contact arms 21, 22 pivot in opposite directions.
- the drive 28 has a rotatable drive shaft 31 which is aligned approximately in the vertical direction.
- a connecting lever 32 is provided, which is pivotable in an approximately horizontal plane.
- This connecting lever 32 is coupled via a connecting rod 33 with a lever 34 which is associated with the central contact arm 21 and which is pivotable in an approximately vertical plane.
- This lever 34 is coupled via two rods 35, 36 with two further levers 37, 38, which are associated with the two outer contact arms 21, 22, and which are also pivotable in an approximately vertical plane.
- the three aforementioned levers 34, 37, 38 are connected via respective shafts 39 with the contact arms 21, 22.
- the shafts 39 are supported within the support frame 13 and aligned approximately horizontally.
- a rotational movement 41 of the drive shaft 31 in a clockwise direction leads to a pushing movement 42 of the connecting rod 33 in the in the FIG. 4 shown direction.
- the taking place in an approximately horizontal plane pivotal movement of the connecting lever 32 is thereby converted into a pivoting movement 43 of the lever 34 in an approximately vertical plane.
- this pivotal movement 43 is transmitted to the lever 37, 38.
- the two rods 37, 38 perform thrust movements 44, 45, which are opposite to each other, as shown in the FIG. 4 is shown.
- the two outer contact arms 21, 22 associated shafts 39 perform opposite pivoting movements.
- the shaft 39 arranged on the left side performs the same pivoting movement 43 as the central shaft in the counterclockwise direction, but the shaft 39 provided on the right side has an opposite pivoting movement 46 in the clockwise direction.
- the pivotal movements 43, 46 are transmitted to the respective contact arms 21, 22. This has the consequence that the two outer contact arms 21, 22 pivot in opposite directions.
- the earthing switch 12 of the FIGS. 1 to 4 can also be designed as a so-called pan-push earthing switch. This means that the earthing switches are first pivoted in the manner described in an approximately vertical direction, to thereafter a pushing movement approximately in to do this vertical direction. With this pushing movement, the contact arms 21, 22 of the earthing switch 12 dip into annular or similarly formed contact pieces which protrude from the terminals 16. In this way, a secure electrical connection between the contact arms 21, 22 and the terminals 16 is achieved, which remains even at the forces occurring at higher currents.
- the second terminals 17 of the circuit breaker poles 11 are grounded.
- a further linkage can be provided on the back of the support frame 13, which is coupled with additional contact arms. These contact arms can then be pivoted to a switch-on position in which the second terminals 17 are grounded separately and independently of the first terminals 16.
- the basis of the FIGS. 1 to 4 explained contact arms 21, 22 may be formed longer than shown, so that they not only the first terminals 16, but at the same time the second terminals 17 can ground. In both cases, can be achieved by an appropriate choice of the horizontal distance and the vertical height of the circuit breaker poles 11 that the central contact arm 21 in the off position substantially in front of the support frame 13 and so that is arranged substantially in the field of switchgear 10.
- a mechanical interlock between the circuit breaker poles 11 and the earthing switches 12 is provided.
- This interlock may be designed, for example, such that the grounding switches 12 can only be moved into the on position when the circuit breaker poles 11 are electrically opened, and / or that the circuit breaker poles 11 can only be electrically closed when the earthing switches 12 are in their position Switch off position.
- common drive 28 is replaced for all three grounding switch 12 by three separate drives, which are assigned to the respective earthing switches 12.
- the circuit breaker poles 11 are also coupled to a drive which is assigned to the support frame 13. This can be a common drive for all three circuit breaker poles 12 or individual drives for the respective circuit breaker poles 12.
Description
Die Erfindung betrifft eine elektrische Schaltanlage nach dem Oberbegriff des Anspruchs 1.The invention relates to an electrical switchgear according to the preamble of claim 1.
Es sind Schaltanlagen bekannt, bei denen beispielsweise drei Leistungsschalterpole auf einem Tragrahmen angeordnet sind. Jedem der Leistungsschalterpole ist ein Erdungsschalter zugeordnet. Mit Hilfe der Erdungsschalter kann der jeweils zugeordnete Leistungsschalterpol geerdet werden. Die Erdungsschalter weisen zu diesem Zweck schwenkbare Kontaktarme auf, die in einer Einschaltposition in elektrischem Kontakt zu einem Anschluss des jeweils zugehörigen Leistungsschalterpols stehen. In einer Ausschaltposition werden die Kontaktarme um etwa 90 Grad um eine im Bereich des Tragrahmens angeordnete Schwenkachse geschwenkt. In der Ausschaltposition stehen einer oder mehrere der Kontaktarme nach außen von dem Tragrahmen ab.There are known switchgear in which, for example, three circuit breaker poles are arranged on a support frame. Each of the circuit breaker poles is assigned a grounding switch. With the aid of the earthing switch, the respectively assigned circuit breaker pole can be earthed. The earthing switches have for this purpose pivotable contact arms, which are in a switch-on in electrical contact with a terminal of the respective associated circuit breaker pole. In a Off position, the contact arms are pivoted about 90 degrees about an arranged in the region of the support frame pivot axis. In the OFF position, one or more of the contact arms project outwardly from the support frame.
Eine derartige Schaltanlage mit den Merkmalen des Oberbegriffs des Anspruchs 1 ist in der
Dies bringt den Nachteil mit sich, dass das Bauvolumen der elektrischen Schaltanlage relativ groß ist.This has the disadvantage that the construction volume of the electrical switchgear is relatively large.
Aufgabe der Erfindung ist es, eine elektrische Schaltanlage mit einem verminderten Bauvolumen zu schaffen.The object of the invention is to provide an electrical switchgear with a reduced volume of construction.
Die Erfindung löst diese Aufgabe durch eine elektrische Schaltanlage nach dem Anspruch 1.The invention solves this problem by an electrical switchgear according to claim 1.
Bei der erfindungsgemäßen elektrischen Schaltanlage sind wenigstens zwei nebeneinander auf einem Tragrahmen angeordnete Leistungsschalterpole vorgesehen. Weiterhin sind zwei über ein Gestänge angetriebene Erdungsschalter vorhanden, die den beiden Leistungsschalterpolen zugeordnet und zu deren elektrischen Erdung vorgesehen sind. Jeder der Erdungsschalter weist einen schwenkbaren Kontaktarm auf, dessen Schwenkachse etwa lotrecht zur Hauptausdehnungsrichtung des Tragrahmens ausgerichtet ist. Die beiden an den Enden des Tragrahmens angeordneten Kontaktarme sind dabei von dem Gestänge in einander entgegengesetzte Richtungen schwenkbar.In the electrical switchgear according to the invention at least two side by side arranged on a support frame circuit breaker poles are provided. Furthermore, there are two linkages driven by a grounding switch, which are assigned to the two circuit breaker poles and provided for their electrical grounding. Each of the earthing switch has a pivotable contact arm, the pivot axis is aligned approximately perpendicular to the main extension direction of the support frame. The two arranged at the ends of the support frame contact arms are pivotable from the linkage in opposite directions.
Durch die einander entgegengesetzte Schwenkbarkeit der beiden äußeren Kontaktarme wird erreicht, dass die Kontaktarme zu keinem Zeitpunkt von dem Tragrahmen nach außen abstehen. Auch in der Ausschaltposition der Kontaktarme sind die beiden an den Enden des Tragrahmens angeordneten Kontaktarme nach innen in Richtung zu dem Tragrahmen geschwenkt und stehen damit nicht wesentlich nach außen über den Tragrahmen über.By opposing pivoting of the two outer contact arms is achieved that the contact arms at no time protrude from the support frame to the outside. Even in the off position of the contact arms, the two arranged at the ends of the support frame contact arms are pivoted inwardly toward the support frame and are thus not substantially over on the support frame over.
Das erforderliche Bauvolumen der erfindungsgemäßen Schaltanlage ist damit im Vergleich zum Stand der Technik wesentlich geringer.The required construction volume of the switchgear according to the invention is thus much lower compared to the prior art.
Bei einer vorteilhaften Ausgestaltung der Erfindung sind die Schwenkachsen der Kontaktarme etwa horizontal ausgerichtet. Damit sind die Kontaktarme in der Einschaltstellung etwa vertikal angeordnet und in der Ausschaltstellung etwa horizontal.In an advantageous embodiment of the invention, the pivot axes of the contact arms are aligned approximately horizontally. Thus, the contact arms in the closed position are arranged approximately vertically and in the off position approximately horizontally.
Bei einer weiteren vorteilhaften Ausgestaltung der Erfindung sind die Kontaktarme in der Ausschaltstellung im wesentlichen vor dem Tragrahmen angeordnet. Durch diese Maßnahme wird das erforderliche Bauvolumen der erfindungsgemäßen Schaltanlage weiter vermindert.In a further advantageous embodiment of the invention, the contact arms are arranged in the off position substantially in front of the support frame. By this measure, the required construction volume of the switchgear according to the invention is further reduced.
Jeder der Leistungsschalterpole weist zwei Anschlüsse auf. Bei weiteren vorteilhaften Ausgestaltungen der Erfindung kann vorgesehen sein, dass jedem der Anschlüsse ein separater Kontaktarm zur Erdung zugeordnet ist, oder dass den beiden Anschlüssen derselbe Kontaktarm zur Erdung zugeordnet ist.Each of the circuit breaker poles has two terminals. In further advantageous embodiments of the invention it can be provided that each of the terminals is assigned a separate contact arm for grounding, or that the same connection arm is assigned to the grounding of the two terminals.
Weitere Merkmale, Anwendungsmöglichkeiten und Vorteile der Erfindung ergeben sich aus der nachfolgenden Beschreibung von Ausführungsbeispielen der Erfindung, die in den Figuren dargestellt sind. Dabei bilden alle beschriebenen oder dargestellten Merkmale für sich oder in beliebiger Kombination den Gegenstand der Erfindung, unabhängig von ihrer Zusammenfassung in den Patentansprüchen oder deren Rückbeziehung sowie unabhängig von ihrer Formulierung bzw. Darstellung in der Beschreibung bzw. in den Figuren.Other features, applications and advantages of the invention will become apparent from the following description of embodiments of the invention, which are illustrated in the figures. All described or illustrated features, alone or in any combination form the subject matter of the invention, regardless of their summary in the claims or their dependency and regardless of their formulation or representation in the description or in the figures.
In den
Jeder der drei Leistungsschalterpole 11 ist vorzugsweise gleichartig ausgebildet. Es kann sich dabei um einen bekannten Hochspannungsleistungsschalter oder um einen bekannten Hochspannungsleistungsschalter mit Trennschalterfunktion insbesondere nach IEC 62271-108 oder um einen bekannten Hochspannungs-Lastschalter handeln. Jeder der drei Leistungsschalterpole 11 ist im wesentlichen zylindrisch ausgebildet und steht von dem Tragrahmen 13 in etwa vertikaler Richtung nach oben ab.Each of the three
Jeder der drei Leistungsschalterpole 11 ist mit einem ersten Anschluss 16 versehen, der etwa in der Mitte des Leistungsschalterpols 11 angeordnet ist und der damit einen Abstand zu dem Tragrahmen 13 aufweist, sowie mit einem zweiten Anschluss 17, der etwa am freien Ende des Leistungsschalterpols 11 angeordnet ist und der damit einen Abstand zu dem ersten Anschluss 16 besitzt. Im Bereich der vorgenannten Abstände sind Isolatoren 18 vorhanden, in deren Innenraum die weiteren Bauteile des Leistungsschalterpols 11 untergebracht sind.Each of the three
Jedem der drei Leistungsschalterpole 11 ist einer der Erdungsschalter 12 zugeordnet. Alle drei Erdungsschalter 12 sind beispielsweise über den Tragrahmen 13 und die Tragfüße 14 elektrisch mit Erde bzw. Masse verbunden. Dabei ist es möglich, dass bewegliche Bauteile der Erdungsschalter 12 mit Hilfe von flexiblen Erdseilen oder mit Hilfe von Gleitkontakten elektrisch mit dem Tragrahmen 13 und/oder den Tragfüßen 14 verbunden sind. Die drei Erdungsschalter 12 sind gleichartig aufgebaut, weshalb nachfolgend nur einer der drei Erdungsschalter 12 näher beschrieben wird.Each of the three
Bei dem Erdungsschalter 12 handelt es sich um einen schwenkbaren Kontaktarm 21 bzw. 22, der zwischen einer Einschaltposition und einer Ausschaltposition um etwa 90 Grad hin- und hergeschwenkt werden kann. In der Einschaltposition ist der Anschluss 16 des Leistungsschalterpols 11 über den zugehörigen Erdungsschalter 12 geerdet, während dies in der Ausschaltposition des Kontaktarms 21 bzw. 22 nicht der Fall ist.The
Die Schwenkachse des Kontaktarms 21 bzw. 22 ist etwa am unteren Ende des zugehörigen Leistungsschalterpols 11 und dort im Bereich des Tragrahmens 13 angeordnet. Der Tragrahmen 13 weist eine Längsrichtung auf, in der er sich hauptsächlich erstreckt. Dies stellt die Hauptausdehnungsrichtung des Tragrahmens 13 dar. Die Schwenkachse der drei Kontaktarme 21, 22 ist einerseits etwa lotrecht zu dieser Längsrichtung bzw. Hauptausdehnungsrichtung ausgerichtet. Andererseits ist die Schwenkachse der drei Kontaktarme 21, 22 im wesentlichen lotrecht zur Zylinderachse des jeweils zugehörigen Leistungsschalterpols 11 ausgerichtet. Sind die Leistungsschalterpole 11, wie beschrieben, im wesentlichen vertikal ausgerichtet, so sind die Schwenkachsen der Kontaktarme 21, 22 im wesentlichen horizontal angeordnet. In der
In der Einschaltposition, die in der
Der in der
Der in der
Von den drei Kontaktarmen 21 bzw. 22 schwenken also die beiden außen am Tragrahmen 13 bzw. an den beiden Enden des Tragrahmens 13 angeordneten Kontaktarme 21, 22 bei demselben Schaltübergang in einander entgegengesetzte Richtungen, und zwar jeweils in Richtung zu dem Tragrahmen 13 hin. Der mittlere Kontaktarm 21 kann optional in beide Richtungen schwenken.Of the three
Zur Ausführung der vorgenannten Schwenkbewegungen der Kontaktarme 21, bzw. 22 ist im Bereich des Tragrahmens 13 ein Gestänge 27 vorhanden, das von einem Antrieb 28 angetrieben werden kann. Mit Hilfe dieses Gestänges 27 können die drei Kontaktarme 21 bzw. 22 im wesentlichen gleichzeitig von dem Antrieb 28 von der Einschaltposition in die Ausschaltposition oder umgekehrt bewegt werden. Das Gestänge ist dabei derart ausgebildet, dass die beiden an den Enden des Tragrahmens 13 angeordneten Kontaktarme 21, 22 in einander entgegengesetzte Richtungen schwenken.To carry out the aforementioned pivoting movements of the
Durch das beschriebene einander entgegengesetzt Schwenken der beiden äußeren Kontaktarme 21, 22 wird erreicht, dass in keinem Zeitpunkt, insbesondere auch nicht in der Ausschaltposition der Kontaktarme 21 bzw. 22, irgend einer der Kontaktarme 21 bzw. 22 wesentlich von der Schaltanlage 10 absteht. Statt dessen sind sämtliche Kontaktarme 21 bzw. 22 auch in der Ausschaltposition im wesentlichen vor dem Tragrahmen 13 und damit im wesentlichen im Bereich der Schaltanlage 10 angeordnet.By the described opposite pivoting of the two
In der
Der Antrieb 28 weist eine drehbare Antriebswelle 31 auf, die etwa in vertikaler Richtung ausgerichtet ist. Am freien Ende der Welle 31 ist ein Verbindungshebel 32 vorhanden, der in einer etwa horizontalen Ebene schwenkbar ist. Dieser Verbindungshebel 32 ist über eine Verbindungsstange 33 mit einem Hebel 34 gekoppelt, der dem mittleren Kontaktarm 21 zugeordnet ist, und der in einer etwa vertikalen Ebene schwenkbar ist. Dieser Hebel 34 ist über zwei Stangen 35, 36 mit zwei weiteren Hebeln 37, 38 gekoppelt, die den beiden äußeren Kontaktarmen 21, 22 zugeordnet sind, und die ebenfalls in einer etwa vertikalen Ebene schwenkbar sind. Die drei vorgenannten Hebel 34, 37, 38 sind über jeweils zugehörige Wellen 39 mit den Kontaktarmen 21, 22 verbunden. Die Wellen 39 sind dabei innerhalb des Tragrahmens 13 gelagert und etwa horizontal ausgerichtet.The
Eine Drehbewegung 41 der Antriebswelle 31 im Uhrzeigersinn führt zu einer Schubbewegung 42 der Verbindungsstange 33 in der in der
Über die Stangen 35, 36 wird diese Schwenkbewegung 43 auf die Hebel 37, 38 übertragen. Die beiden Stangen 37, 38 führen dabei Schubbewegungen 44, 45 aus, die einander entgegengesetzt sind, wie dies in der
Wird die Antriebswelle 31 im Gegenuhrzeigersinn gedreht, so hat dies entsprechend gegensinnige Bewegungen der erläuterten Bauteile zur Folge.If the
Die Erdungsschalter 12 der
Weiterhin ist es möglich, dass auch die zweiten Anschlüsse 17 der Leistungsschalterpole 11 geerdet werden. Hierzu kann auf der Rückseite des Tragrahmens 13 ein weiteres Gestänge vorgesehen sein, das mit zusätzlichen Kontaktarmen gekoppelt ist. Diese Kontaktarme können dann in eine Einschaltposition geschwenkt werden, in der die zweiten Anschlüsse 17 separat und unabhängig von den ersten Anschlüssen 16 geerdet sind. Ebenfalls können die anhand der
Weiterhin ist es möglich, dass eine mechanische Verriegelung zwischen den Leistungsschalterpolen 11 und den Erdungsschaltern 12 vorgesehen ist. Diese Verriegelung kann beispielsweise derart ausgebildet sein, dass die Erdungsschalter 12 nur dann in die Einschaltposition bewegt werden können, wenn die Leistungsschalterpole 11 elektrisch geöffnet sind, und/oder dass die Leistungsschalterpole 11 nur dann elektrisch geschlossen werden können, wenn die Erdungsschalter 12 sich in ihrer Ausschaltposition befinden.Furthermore, it is possible that a mechanical interlock between the
Alternativ ist es möglich, dass der in den
Claims (11)
- An electrical switchgear (10), having at least two power switch poles (11) disposed side by side on a supporting frame (13), and having two grounding switches (12), driven via a rod linkage (27), which are associated with the two power switch poles (11) and are provided for grounding them electrically, and wherein each of the grounding switches (12) having a pivoting contact arm (21, 22) whose pivot axis (20) is oriented approximately plumb to the primary extension direction of the supporting frame (13), characterized in that the two contact arms (21, 22) disposed on the ends of the supporting frame (13) can be pivoted by the rod linkage (27) in opposite directions from one another, in the direction toward the supporting frame (13).
- The switchgear (10) as defined by claim 1, characterized in that the pivot axes (20) of the contact arms (21, 22) are oriented essentially plumb to an axis formed by the respective associated power switch pole (11).
- The switchgear (10) as defined by claim 1 or 2, characterized in that the pivot axes (20) of the contact arms (21, 22) are oriented approximately horizontally.
- The switchgear (10) as defined by one of claims 1 through 3, characterized in that the contact arms (21, 22) are disposed approximately vertically, in an ON position.
- The switchgear (10) as defined by one of claims 1 through 4, characterized in that the contact arms (21, 22) are disposed approximately horizontally, in an OFF position.
- The switchgear (10) as defined by one of claims 1 through 5, characterized in that the contact arms (21, 22), in an OFF position, are disposed essentially in front of the supporting frame (13).
- The switchgear (10) as defined by one of claims 1 through 6, characterized in that the grounding switches (12) are embodied as pivot/shear grounding switches.
- The switchgear (10) as defined by one of claims 1 through 7, in which each of the power switch poles (11) has two terminals (16, 17), characterized in that a separate contact arm for grounding is associated with each of the terminals (16, 17).
- The switchgear (10) as defined by one of claims 1 through 7, in which each of the power switch poles (11) has two terminals (16, 17), characterized in that the same contact arm for grounding is associated with both terminals (16, 17).
- The switchgear (10) as defined by one of claims 1 through 9, characterized in that the power switch poles (11) and the grounding switches (12) are locked relative to one another.
- The switchgear (10) as defined by one of claims 1 through 10, characterized in that the grounding switches (12) have flexible grounding cables and/or sliding contacts for grounding.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510054842 DE102005054842B4 (en) | 2005-11-15 | 2005-11-15 | Electrical switchgear |
Publications (2)
Publication Number | Publication Date |
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EP1786010A1 EP1786010A1 (en) | 2007-05-16 |
EP1786010B1 true EP1786010B1 (en) | 2011-04-27 |
Family
ID=37603366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP06021102A Active EP1786010B1 (en) | 2005-11-15 | 2006-10-07 | Electrical switchgear |
Country Status (6)
Country | Link |
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EP (1) | EP1786010B1 (en) |
CN (1) | CN1971793B (en) |
DE (3) | DE102005054842B4 (en) |
DK (1) | DK1786010T3 (en) |
NO (1) | NO331050B1 (en) |
WO (1) | WO2007057164A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3089186A1 (en) | 2015-04-30 | 2016-11-02 | General Electric Technology GmbH | Electrical switchgear and method of operating an electrical switchgear |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2858227A1 (en) * | 2013-10-04 | 2015-04-08 | ABB Technology AG | Parallel modular multilevel converters |
CN105531916B (en) | 2013-08-30 | 2018-07-17 | Abb瑞士股份有限公司 | Parallel modular multiphase converter and protection system |
CN104143767B (en) * | 2013-10-31 | 2016-10-19 | 国家电网公司 | Switchgear |
CN106683919B (en) * | 2016-12-30 | 2019-04-05 | 平高集团有限公司 | A kind of operating mechanism and the switching device using the operating mechanism |
CN106783289B (en) * | 2016-12-30 | 2018-11-02 | 平高集团有限公司 | A kind of switching device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH480725A (en) | 1968-03-29 | 1969-10-31 | Bbc Brown Boveri & Cie | Pressure gas line switch of the boiler design |
DE2351492C3 (en) | 1973-10-13 | 1982-02-18 | Ruhrtal Elektrizitätsgesellschaft Hartig GmbH & Co, 4300 Essen | High voltage switchgear |
DE2545938C2 (en) * | 1975-10-14 | 1981-09-17 | Ruhrtal Elektrizitätsgesellschaft Hartig GmbH & Co, 4300 Essen | High-voltage switching device, in particular earthing switch |
JPS5436768U (en) | 1977-08-18 | 1979-03-10 | ||
DE3033633A1 (en) | 1980-09-06 | 1982-04-15 | Calor-Emag Elektrizitäts-Aktiengesellschaft, 4030 Ratingen | Compact multiphase earthing switch - has shafts carrying contact blades for each phase coupled so latter pivot in common plane |
JPH0674012U (en) | 1993-03-17 | 1994-10-18 | 株式会社明電舎 | Gas insulated switchgear |
IT1298973B1 (en) * | 1998-03-30 | 2000-02-07 | Abb Adda S P A | MAST FOR HIGH VOLTAGE ELECTRIC LINES |
NL1011937C2 (en) * | 1999-04-29 | 2000-12-12 | Jacobsen Elektro As | Three-phase electric breaker. |
-
2005
- 2005-11-15 DE DE200510054842 patent/DE102005054842B4/en not_active Revoked
- 2005-11-15 DE DE202005020524U patent/DE202005020524U1/en not_active Expired - Lifetime
-
2006
- 2006-10-07 DE DE200650009383 patent/DE502006009383D1/en active Active
- 2006-10-07 EP EP06021102A patent/EP1786010B1/en active Active
- 2006-10-07 DK DK06021102T patent/DK1786010T3/en active
- 2006-10-09 NO NO20064583A patent/NO331050B1/en unknown
- 2006-11-14 CN CN 200610144781 patent/CN1971793B/en not_active Expired - Fee Related
- 2006-11-15 WO PCT/EP2006/010944 patent/WO2007057164A1/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3089186A1 (en) | 2015-04-30 | 2016-11-02 | General Electric Technology GmbH | Electrical switchgear and method of operating an electrical switchgear |
Also Published As
Publication number | Publication date |
---|---|
DE102005054842A1 (en) | 2007-05-16 |
CN1971793B (en) | 2013-09-18 |
DE202005020524U1 (en) | 2006-03-16 |
NO20064583L (en) | 2007-05-16 |
CN1971793A (en) | 2007-05-30 |
NO331050B1 (en) | 2011-09-19 |
WO2007057164A1 (en) | 2007-05-24 |
DE102005054842B4 (en) | 2014-09-18 |
EP1786010A1 (en) | 2007-05-16 |
DK1786010T3 (en) | 2011-07-11 |
DE502006009383D1 (en) | 2011-06-09 |
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