WO2008006915A1 - Équipement électrique encapsulé modulaire pour réseaux de distribution électrique - Google Patents

Équipement électrique encapsulé modulaire pour réseaux de distribution électrique Download PDF

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Publication number
WO2008006915A1
WO2008006915A1 PCT/ES2006/000404 ES2006000404W WO2008006915A1 WO 2008006915 A1 WO2008006915 A1 WO 2008006915A1 ES 2006000404 W ES2006000404 W ES 2006000404W WO 2008006915 A1 WO2008006915 A1 WO 2008006915A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrical equipment
equipment according
maneuvering
connection
insulating body
Prior art date
Application number
PCT/ES2006/000404
Other languages
English (en)
Spanish (es)
Inventor
Javier Larrieta Zubia
Severo Aranaga Lopez
Jose Manuel Inchausti Sancho
Norberto Sainz De La Maza
Juan Maria Casado Carton
Original Assignee
Ormazabal Y Cia, S.A.
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 Ormazabal Y Cia, S.A. filed Critical Ormazabal Y Cia, S.A.
Priority to EP06807854A priority Critical patent/EP2048682B1/fr
Priority to AT06807854T priority patent/ATE494623T1/de
Priority to ES06807854T priority patent/ES2355747T3/es
Priority to PCT/ES2006/000404 priority patent/WO2008006915A1/fr
Priority to DE602006019504T priority patent/DE602006019504D1/de
Publication of WO2008006915A1 publication Critical patent/WO2008006915A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H33/6661—Combination with other type of switch, e.g. for load break switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/666—Operating arrangements
    • H01H2033/6668—Operating arrangements with a plurality of interruptible circuit paths in single vacuum chamber
    • 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

Definitions

  • the present invention has its field of application in electrical power distribution facilities, such as, for example, electrical transformation centers, distribution centers, substations, etc., for the protection and maneuvering of electrical circuits in general and, in particular, refers to an electrical equipment comprising an encapsulated in an insulating body a series of elements, among others, one or two maneuvering elements that allow to perform the functions of cutting-connection-sectioning-grounding of the electrical circuit, as well as of an envelope that integrates said insulating body forming an expandable module by its union with others.
  • electrical power distribution facilities such as, for example, electrical transformation centers, distribution centers, substations, etc.
  • Bliss switchgear comprises some maneuvering elements that perform the functions of cutting-connecting-sectioning-grounding of the installation. In this way, in cases where there is, for example, a fault in the distribution line, a cut due to works, maintenance or optimization of the distribution of the load, such maneuvering elements can be activated to obtain the desired distribution of electrical energy, avoid that consumers remain without tension or guarantee the protection of people and electrical equipment such as, for example, transformers.
  • each of said maneuvering elements has its own drive element, and it can be carried out under the control of both a manually operated mechanism and a trigger mechanism that responds to a fault current.
  • maneuvering elements constituted by vacuum switches are known, which consist of a bottle in which a pair of electrical contacts, a fixed one and a mobile one that is displaced by the convenient operation of said switch, are housed to perform cutting functions - connection - sectioning - grounding of the corresponding electrical circuit.
  • disconnectors are also used which are usually also required for grounding functions. It is known that the disconnectors are composed of two contacts that can be joined to let the current pass or leave a physical separation that determines the safety standard or the manufacturer to prevent the passage of the current. However, said disconnectors are not capable of performing the functions of the switch, that is, cutting the current when the circuit is in charge or in case of an overcurrent fault.
  • the switchgear has both switches and disconnectors with independent actuation means.
  • switchgear part of this switchgear is encapsulated in a solid insulation, such as insulating resin, using the vacuum or other fluid as a dielectric means to perform the required maneuvering functions mentioned above: cut-connection-sectioning-grounding correspondingly executed by disconnectors and switches.
  • One of the drawbacks of the invention described in WO 0150563 is that for each of the functions of cut-connection-sectioning-grounding it is necessary to use a different module with its respective drive and, added to the need to encapsulate more than one maneuvering element in each of the modules and integrating said modules into different compartments within a cell, means an increase in the dimensions of the switchgear, thus creating space problems within the electrical distribution facilities. To this is added the large cost due to the large amount of resin that is necessary to make the encapsulates and the high manufacturing time.
  • the present invention comes to solve the problem described above, in each and every one of the different aspects mentioned, constituting a modular electrical equipment for installation and connection to other electrical equipment in electrical transformation centers, distribution centers, substations, etc. , which develops in a single encapsulation the maneuver functions at least of cut-connection-sectioning-grounding.
  • the electrical equipment or module comprises at least one solid insulating body inside which the following components are encapsulated:
  • - maneuvering means composed of a single or two maneuvering elements, which can be a load cut-off switch (which interrupts the nominal current) or an automatic switch (differential that cuts faults) and earthing switch / disconnector, may consist the dielectric medium in which the functions of cutting-connection-sectioning-grounding maneuver in a gas, a liquid or a vacuum are performed;
  • connection elements to connect it to a main power circuit of the electrical distribution network and other modules in different electrical diagrams, such as those known in the electrical distribution network as "ring main unit” and diagrams of subscriber;
  • a first advantage of the invention by using a single insulating body to encapsulate the maneuvering means, which manage to perform at least the functions of cut-connection-sectioning-grounding, is to considerably reduce the dimensions of the electrical equipment, The amount of material needed and the cost of encapsulation, as well as its execution time, since it avoids:
  • connection as the connection-sectioning-earthing function interchangeably.
  • That single drive element is encapsulated in another solid body or insulating head, attached to the aforementioned insulating body.
  • the drive element acts on one or more transmission bars (of the drive), a transverse axis of attack being able to intervene in said transmission to the drive element encapsulated in the insulating head.
  • the union of the solid body and head is isolated by an elastic and insulating element that allows relative displacement between them.
  • the two pieces can be rigid or elastic and made of an insulating polymeric material, for example, the epoxy resin, silicone, polyurethane, NBR, etc.
  • all the encapsulation which can be covered with a conductive layer, is integrated into an envelope.
  • the electrical equipment can be composed of a single three-pole insulating body in which all the components of the electrical equipment are encapsulated referring to the three phases, as per the set formed by the union of three single-phase insulating bodies.
  • the different single-phase insulating bodies of the three-pole assembly can be joined by means of metal parts or plates that are partially encapsulated in the insulating bodies, which in turn allow the earthing of the electrical equipment. These grounding plates are connected to the operating elements.
  • the plates can be accessible from outside the envelope or be completely inside said envelope that integrates the three-pole assembly.
  • maneuvering means is preferably carried out according to one of the three alternatives described below:
  • a single maneuvering element that can consist of a vacuum switch where all the functions of cutting-connection-sectioning-earthing are executed, constituting itself as an earthing switch / disconnector and a load cut-off switch, or, a circuit breaker and earthing switch / earthing switch.
  • first maneuvering element that performs the functions of cut-connection, being able to be a load cut-off switch or an automatic switch, plus a second maneuver element in charge of the connection-sectioning-grounding functions and which can be an earthing switch / earthing switch.
  • the first maneuvering element may consist of a vacuum bottle containing a fixed contact attached to the main circuit bar and a mobile contact, which in turn this same mobile contact is one of the contacts of the earthing switch / earthing switch and It has means for its maintenance in the cutting function.
  • the second maneuvering element may consist of a housing with a dielectric medium, gas or liquid, in the one that performs the functions of connection-sectioning-earthing, which also includes a ground contact and a third contact attached to the branch bar, the latter can be the contact of linear displacement or type hinge.
  • the displacement of the third contact due to the action of the transmission bar attached thereto also produces the execution of the connection-sectioning-grounding functions, accepting the effectiveness of the sectioning function when the vacuum is not used as a dielectric in this Second element of maneuver.
  • the first maneuvering element may consist of a vacuum bottle that performs the functions of a switch, with a fixed contact attached to the main circuit bar and a mobile contact provided with means for its maintenance in the cutting function.
  • the second maneuvering element can consist of another vacuum bottle, where the grounding function is executed, which has a fixed contact connected to a ground contact and a second mobile contact.
  • the sectioning functions are performed by the actuation of the transmission bar by moving said second mobile contact, which is provided with means for locking the position for its maintenance in the sectioning function.
  • the mobile contacts of each of the bottles are thus conveniently displaced by means of the action of the same transmission bar.
  • the proposed implementation possibilities constitute a module, so that through the connection elements that are accessible from the outside on one or several sides of the enclosure, it is possible to extend the installation on one or several sides of the enclosure, joining several modules through coupling means that depend on the tightness of the envelopes.
  • the coupling between modules can be carried out, for example, by means of bars, bushes or a joint assembly as described in the invention patent ES 2037590.
  • the coupling between the modules is carried out by means of a joint assembly, so that in case of failure or failure of some electrical equipment, This module is easily replaceable with a new one.
  • one last advantage but no less important is that it is a compact modular electrical equipment and easily replaced by a new one in case of possible deterioration of the same.
  • the assembly of the three-pole insulating body or three insulating bodies that constitute a three-pole assembly inside a housing which can incorporate a dielectric fluid and be sealed when the three-pole assembly is not covered by a conductive layer for the control of the electric field , the isolation between the bodies and avoiding internal defects, the distance between the envelope and the three-pole assembly is reduced, thus achieving a compact switchgear.
  • all possible ways of implementing the proposed electrical equipment may comprise means capable of providing functions for measuring electrical voltage and current intensity, presence / absence of voltage detection, control, automation , etc.
  • Figure 1. Shows a perspective view of the modular electrical equipment object of the invention and according to a possible embodiment, encapsulated in an insulating body that is integrated into an enclosure (not shown) and corresponding to an electrical phase.
  • Figure 2. Shows a sectional view of the insulating body corresponding to an electrical phase, which presents the electrical equipment according to the embodiment of the previous figure.
  • Figure 3. Shows a perspective view of the electrical equipment according to a possible three-phase configuration, formed by three insulating bodies that constitute a three-pole assembly, presented outside the corresponding envelope.
  • Figure 4.- Shows a perspective view of the tripolar assembly
  • connection elements accessible from the outside for the union with other modules of electrical equipment, some of those connection elements being arranged vertically.
  • Figure 5. Shows a perspective view of the three-pole assembly illustrated in Figure 3, already mounted inside the enclosure constituting a module, with connecting elements accessible from the outside for the union with other electrical equipment modules, some of which are those connection elements arranged horizontally.
  • connection elements accessible from the outside and others constituted by cable connection terminals arranged inside said enclosure.
  • Figure 7. Shows a sectional view of the insulating body according to Another possible embodiment of the invention, distinguishing two maneuvering elements, where one is a vacuum bottle and the other a linear earthing switch / disconnector.
  • Figure 8.- Shows a sectional view of the insulating body according to another alternative embodiment of the modular electrical equipment, with two maneuvering elements that consist both of vacuum bottles, representing the first maneuvering element in the connection function.
  • Figure 9.- Shows a sectional view of the insulating body according to
  • some preferred embodiments of the present invention applicable in electric power distribution networks, such as, for example, electrical transformation centers, distribution centers or substations, constituting a modular electrical equipment comprising at least one insulating body (1) constructed with an insulating polymeric material, which can be rigid or elastic.
  • the insulating body (1) encapsulates maneuvering means (2) inside it to carry out the functions of cut-connection-sectioning-grounding, represented in Figures 1-9 according to several possible implementations. Essentially, the means of maneuver
  • (2) encapsulated in said insulating body (1) may consist of:
  • the embodiment of the invention shown in Figures 1-6 has a first operating element (2a) consisting of a load cut-off switch or an automatic switch and earthing switch / disconnector, as can for example, a vacuum switch, consisting of a vacuum bottle with two electrical contacts (11, 12), one being a fixed contact (11) and the other a mobile contact (12).
  • a vacuum switch consisting of a vacuum bottle with two electrical contacts (11, 12), one being a fixed contact (11) and the other a mobile contact (12).
  • all the functions of cutting-connection-disconnection-grounding maneuver are carried out by means of the only maneuvering element (2a), reducing the size of the insulating body (1) where it is encapsulated and, therefore, the dimensions of the facilities, as well as the amount of encapsulation material, the execution time of the encapsulation and its costs.
  • the mobile contact (12) of said maneuvering element (2a) is connected to the branch bar (21) which is accessible through a first connection element (4), while The fixed contact (11) is connected to the main circuit bar (5) which can have at least a second connection element (6).
  • Said connection elements (4, 6) are a constitutive part of the insulating body (1) and may consist of a bushing female type, male type or in their combinations, as shown in Figures 1-5, or, in a cable connection terminal to the air, as the first connection elements (4) are implemented in the example of Figure 6.
  • the mobile contact (12) encapsulated in the insulating body (1) is in turn connected to a drive element (3) of the maneuvering means (2), by means of a bar that acts as an element of drive transmission (10) fixed to the mobile contact (12) by a connecting piece (25).
  • the actuating element (3) is encapsulated in an insulating head (13), made of insulating polymeric material, and is adapted to operate only both the cutting-connection function and the connection-sectioning-grounding function interchangeably .
  • an attack axis (17) intervenes transverse to the axis of symmetry of the insulating head (13).
  • the joint between the insulating body (1) and the insulating head (13) is isolated by means of an elastic and insulating element (16), for example a rubber neck, as seen in Figures 1, 2 and 3, which also allows the relative displacement in a gap (15) between both body (1) and head (13) insulating the encapsulation.
  • an elastic and insulating element (16) for example a rubber neck, as seen in Figures 1, 2 and 3, which also allows the relative displacement in a gap (15) between both body (1) and head (13) insulating the encapsulation.
  • the electrical equipment can be formed by three single-phase insulating bodies (1) that are joined through some plates (9) partially embedded in each insulating body (1), thus constituting a tripolar set (8).
  • the axis of attack (17) crosses each insulating head (13) thus linking its respective actuating elements (3) of the maneuvering means (2) to act together.
  • said three-pole assembly (8) can be mounted inside an enclosure (7), for example metal, which in the case of being waterproof incorporates a dielectric fluid between this three-pole assembly (8) and the envelope (7) for the isolation between both and avoid internal defects.
  • connection elements (4, 6) On the outside of the enclosure (7) only the connection elements (4, 6) are accessible, the first connection elements (4) being able to be arranged both horizontally and vertically, except when said connection elements (4) consist in some terminals of connection to cable to the air, being in this case its inside of the envelope (7) to realize in its interior the splices with a branch circuit.
  • a module (14) consisting of the three-pole assembly (8) and the enclosure (7) is obtained, the connection elements (4, 6) being outside on one or more sides thereof.
  • connection elements (4, 6) allow, by means of joint assemblies (18), represented in Figure 6, to extend the installation by joining several modules (14) and to carry out different electrical diagrams such as a "ring main unit” or a scheme of subscriber
  • the first module (14) that acts as a connection can have second connection elements (6) on the sides, with one of the sides having male-type bushing to which the power supply cables are attached. , while on the other side it has female type bushings, joining this first module (14) with the next one through the female type bushings of both modules (14) and by means of the joint assemblies (18).
  • the intermediate modules (14) have on both sides second connection elements (6) that are type bushing female.
  • the last module (14) can have the second connection elements (6) on one or several sides of the enclosure (7); so that, if they are arranged on several sides, the second connection elements (6) that are free are closed by means of a plug to ensure insulation, thus leaving the installation expandable in the future.
  • the dielectric fluid introduced between the envelope (7) and the three-pole assembly (8) considerably reduces the insulation distances, avoiding any internal defect that could damage the insulating body (1) to obtain a reliable and compact electrical equipment, and using the assembly of connection (18) as a means of coupling between various modules (14), the tightness of the assembly of said modules (14) is guaranteed.
  • the plates (9) of the insulating body (1) in addition to being able to make the union of several to form an assembly (8) as shown in Figures 3-6, serve as a terminal for the grounding of the maneuvering means (2) as shown in Figures 1-9.
  • the plates (9) of the insulating body (1) in addition to being able to make the union of several to form an assembly (8) as shown in Figures 3-6, serve as a terminal for the grounding of the maneuvering means (2) as shown in Figures 1-9.
  • a second way of forming the encapsulated electrical equipment is that shown in Figure 7, where the insulating body (1) encapsulates maneuvering means (2) formed by two maneuvering elements (2a) and (2b).
  • the first maneuvering element (2a) consists of an automatic switch or load cut-off switch, such as a vacuum switch and allows to perform the cut-connection functions.
  • the second maneuvering element (2b) it is a grounding disconnector / disconnector to perform the functions of connection-disconnection-grounding maneuver, and may consist of dielectric medium where said functions are performed for example in a gas or a liquid.
  • the first maneuvering element (2a) comprises a fixed contact (11) attached to the main circuit bar (5) and a mobile contact (12).
  • the mobile contact (12) is part of the second operating element (2b), which is provided with a third contact (19) of linear displacement connected by a flexible connection (20) to the branch bar (21).
  • This third contact (19) is also connected on the other hand to the transmission element of the drive (10) that causes said linear contact (19) to move, establishing a maneuvering function or another depending on the direction and progression of such linear displacement.
  • the displacement of the drive transmission element (10) in the opposite direction causes the separation of the fixed (11) and mobile (12) contacts from the first maneuvering element (2a), leaving it in the cutting function.
  • the separation of the contacts (19, 12) of said second maneuvering element (2b) occurs, determining the sectioning function .
  • the Second maneuvering element (2b) has a grounding contact (24) which, in conjunction with the third contact (19), leaves it in the grounding function.
  • the first maneuvering element (2a) can consist of a vacuum switch, this being a load cut-off switch or automatic switch, provided with a fixed contact (11) attached to the main circuit bar (5) and of a mobile contact (12).
  • the maneuvering element (2b) is also another vacuum switch, but it constitutes an earthing switch / disconnector, in turn comprising a second fixed contact (27) connected to the earthing plate (9) and a second mobile contact (26).
  • the mobile contacts (12, 26) of both switches or maneuvering elements (2a, 2b) are displaced by the action of the transmission bar (10), which is common for both.
  • the transmission element of the drive (10) joins the bypass bar (21) through the flexible connection (20).
  • each of the mobile contacts (12) and (26) of the two operating elements (2a, 2b) is provided with blocking means (22) with springs (23), which collaborate in

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Insulated Conductors (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

L'invention concerne un équipement électrique utilisé dans des installations de distribution d'énergie électrique telles que, par exemple, des centres de transformation électrique, des centres de distribution, des sous-stations, etc., comprenant une série d'éléments, entre autres des moyens (2) de commande, permettant d'exécuter les fonctions d'arrêt-connexion-sectionnement-mise à la terre, encapsulé dans un seul corps isolant (1). Le corps (1) encapsule dans sa partie intérieure un ou tout au plus deux éléments (2a, 2b) de commande actionnés au moyen d'un seul élément (3) d'actionnement, à l'aide d'un élément (10) de transmission d'actionnement, encapsulé dans une tête isolante (13) assemblée au corps (1) et pouvant être déplacée par rapport audit corps (1). Le corps et la tête (1, 13) sont intégrés dans un boîtier (7), formant un module. La modularité permet d'obtenir des installations pouvant être agrandies d'un côté ou de divers côtés du module selon divers schémas électriques à l'aide d'éléments (4, 6) de connexion positionnés de manière appropriée.
PCT/ES2006/000404 2006-07-13 2006-07-13 Équipement électrique encapsulé modulaire pour réseaux de distribution électrique WO2008006915A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06807854A EP2048682B1 (fr) 2006-07-13 2006-07-13 Équipement électrique encapsulé modulaire pour réseaux de distribution électrique
AT06807854T ATE494623T1 (de) 2006-07-13 2006-07-13 Modulare eingekapselte elektrische anordnung für stromverteilernetze
ES06807854T ES2355747T3 (es) 2006-07-13 2006-07-13 Dispositivo eléctrico encapsulado modular para redes de distribución eléctrica.
PCT/ES2006/000404 WO2008006915A1 (fr) 2006-07-13 2006-07-13 Équipement électrique encapsulé modulaire pour réseaux de distribution électrique
DE602006019504T DE602006019504D1 (de) 2006-07-13 2006-07-13 Modulare eingekapselte elektrische anordnung für stromverteilernetze

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2006/000404 WO2008006915A1 (fr) 2006-07-13 2006-07-13 Équipement électrique encapsulé modulaire pour réseaux de distribution électrique

Publications (1)

Publication Number Publication Date
WO2008006915A1 true WO2008006915A1 (fr) 2008-01-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2006/000404 WO2008006915A1 (fr) 2006-07-13 2006-07-13 Équipement électrique encapsulé modulaire pour réseaux de distribution électrique

Country Status (5)

Country Link
EP (1) EP2048682B1 (fr)
AT (1) ATE494623T1 (fr)
DE (1) DE602006019504D1 (fr)
ES (1) ES2355747T3 (fr)
WO (1) WO2008006915A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2244275A1 (fr) 2009-04-23 2010-10-27 Ormazabal Y Cia., S.L.U. Appareils de coupure pour réseau de distribution électrique
CN104037012A (zh) * 2014-05-30 2014-09-10 国家电网公司 一种具有插入式接地工位的三工位真空灭弧室

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5380467B2 (ja) 2011-01-06 2014-01-08 株式会社日立製作所 開閉器ユニット及びスイッチギヤ
CN104201041B (zh) * 2014-08-15 2015-10-21 浙江道笃智能开关有限公司 组合固封极柱及其工作原理
EP3076420B1 (fr) * 2015-03-31 2017-10-04 General Electric Technology GmbH Mise à la terre rapide à pouvoir de coupure pour un poste sous enveloppe metallique
EP3740961B1 (fr) 2018-01-15 2022-12-21 Sécheron SA Dispositif de commutation électrique

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ES2037590A2 (es) 1991-06-26 1993-06-16 Ormazabal & Cie Sistema de acoplamiento entre modulos de aparamenta electrica para centros de transformacion y similares.
EP0680063A1 (fr) * 1994-04-25 1995-11-02 Schneider Electric Sa Interrupteur électrique moyenne tension
EP0766277A2 (fr) * 1995-09-27 1997-04-02 Hitachi, Ltd. Dispositif de commutation isolé
EP0863526A2 (fr) * 1997-03-06 1998-09-09 Hitachi, Ltd. Dispositif de commutation isolé
EP0893811A2 (fr) * 1997-07-23 1999-01-27 Hitachi, Ltd. Interrupteur à vide et son utilisation dans une installation de commutation à vide
EP1020970A1 (fr) * 1997-09-29 2000-07-19 Mitsubishi Denki Kabushiki Kaisha Appareil de commutation
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WO2001050563A1 (fr) 2000-01-03 2001-07-12 Eaton Corporation Module connecteur de charge constitue d'un seul tenant
EP1152444A1 (fr) * 1999-11-10 2001-11-07 Mitsubishi Denki Kabushiki Kaisha Appareillage de commutation
WO2002082606A1 (fr) 2001-04-09 2002-10-17 Holec Holland N.V. Appareillage de commutation monophase ou polyphase encapsules dans un boitier
EP1343233A2 (fr) 2002-03-06 2003-09-10 Kabushiki Kaisha Toshiba Installation de commutation
DE10214202A1 (de) * 2002-03-27 2003-11-06 Siemens Ag Elektrische Unterbrechereinheit mit Feststoffisolierung
US20040232112A1 (en) * 2003-05-19 2004-11-25 Masato Kobayashi Vacuum switchgear

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Publication number Priority date Publication date Assignee Title
EP0393733A1 (fr) 1989-03-22 1990-10-24 Holec Systemen En Componenten B.V. Appareil de coupure monophasé ou polyphasé à moyenne tension et installation de distribution assemblée avec lui
ES2037590A2 (es) 1991-06-26 1993-06-16 Ormazabal & Cie Sistema de acoplamiento entre modulos de aparamenta electrica para centros de transformacion y similares.
EP0680063A1 (fr) * 1994-04-25 1995-11-02 Schneider Electric Sa Interrupteur électrique moyenne tension
EP0766277A2 (fr) * 1995-09-27 1997-04-02 Hitachi, Ltd. Dispositif de commutation isolé
EP0863526A2 (fr) * 1997-03-06 1998-09-09 Hitachi, Ltd. Dispositif de commutation isolé
EP0893811A2 (fr) * 1997-07-23 1999-01-27 Hitachi, Ltd. Interrupteur à vide et son utilisation dans une installation de commutation à vide
EP1020970A1 (fr) * 1997-09-29 2000-07-19 Mitsubishi Denki Kabushiki Kaisha Appareil de commutation
EP1047169A2 (fr) * 1999-04-19 2000-10-25 Mitsubishi Denki Kabushiki Kaisha Installation de commutation sous vide
EP1152444A1 (fr) * 1999-11-10 2001-11-07 Mitsubishi Denki Kabushiki Kaisha Appareillage de commutation
WO2001050563A1 (fr) 2000-01-03 2001-07-12 Eaton Corporation Module connecteur de charge constitue d'un seul tenant
WO2002082606A1 (fr) 2001-04-09 2002-10-17 Holec Holland N.V. Appareillage de commutation monophase ou polyphase encapsules dans un boitier
EP1343233A2 (fr) 2002-03-06 2003-09-10 Kabushiki Kaisha Toshiba Installation de commutation
DE10214202A1 (de) * 2002-03-27 2003-11-06 Siemens Ag Elektrische Unterbrechereinheit mit Feststoffisolierung
US20040232112A1 (en) * 2003-05-19 2004-11-25 Masato Kobayashi Vacuum switchgear

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2244275A1 (fr) 2009-04-23 2010-10-27 Ormazabal Y Cia., S.L.U. Appareils de coupure pour réseau de distribution électrique
CN104037012A (zh) * 2014-05-30 2014-09-10 国家电网公司 一种具有插入式接地工位的三工位真空灭弧室

Also Published As

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EP2048682A1 (fr) 2009-04-15
ES2355747T3 (es) 2011-03-30
DE602006019504D1 (de) 2011-02-17
EP2048682B1 (fr) 2011-01-05
ATE494623T1 (de) 2011-01-15

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