EP1583124A1 - Hybrid high voltage circuit breaker - Google Patents

Hybrid high voltage circuit breaker Download PDF

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Publication number
EP1583124A1
EP1583124A1 EP05102320A EP05102320A EP1583124A1 EP 1583124 A1 EP1583124 A1 EP 1583124A1 EP 05102320 A EP05102320 A EP 05102320A EP 05102320 A EP05102320 A EP 05102320A EP 1583124 A1 EP1583124 A1 EP 1583124A1
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EP
European Patent Office
Prior art keywords
contact
circuit breaker
arrangement
chamber
breaker according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05102320A
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German (de)
French (fr)
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EP1583124B1 (en
Inventor
Michel Perret
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Grid Solutions SAS
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Areva T&D SAS
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Publication of EP1583124A1 publication Critical patent/EP1583124A1/en
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Publication of EP1583124B1 publication Critical patent/EP1583124B1/en
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    • 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
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
    • H01H33/143—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc of different construction or type
    • 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

Definitions

  • the present invention relates to a circuit breaker hybrid high voltage.
  • Such a hybrid circuit breaker comprises for each pole a dielectric gas break chamber, by SF6 under pressure, whose fixed contact is connected to a first terminal of the network and connected in series with a switch supporting the dU / dt of the transient recovery voltage and whose fixed contact is connected to a second terminal of the network.
  • This switch is often a vacuum bulb.
  • the contact moving of the break chamber being extended by a longitudinal arrangement of drive on which is disposed in permanent contact an element connected to the mobile contact of the vacuum bulb, the single command soliciting the moving contact of the breaking chamber in translation along the first axis and the length and the shape of the drive arrangement ensuring a synchronization between the movements of the contacts movable from a closed position to an open position mobile contacts and vice versa.
  • the invention proposes a hybrid circuit breaker comprising for each pole a dielectric gas breaking chamber comprising a first contact and a second movable contact arranged longitudinally to a first axis and whose first contact is connected to a first terminal of the network, this interrupting chamber being connected in series with a Vacuum bulb having a fixed contact and a contact movable longitudinally to a second axis and whose fixed contact is connected to a second terminal of the network, actuating means ensuring by a single command moving between a position opening and closing position of said mobile contacts, characterized in that said means of actuation comprise an arrangement of closing the mobile contact of the vacuum interrupter, ensuring this reclosing by said single command before the open position of the moving contact of said breaking chamber.
  • An important feature of the invention is that this reclosing of the vacuum bulb is carried out by the same single command as the opening and the closure of the contacts thus allowing an arrangement particularly light control. This results in a limited number of pieces and a cost and a time of lower mount.
  • said actuating means comprise an arrangement of moving the movable contact of said chamber of cut over a distance greater than the distance between the contacts of the breaking chamber in position opening.
  • the chamber contacts are spaced apart from one another distance greater than that required for the function breaker and the break chamber can fill after this opening position a disconnector function.
  • the hybrid circuit breaker comprises an arrangement for the ground of the second terminal operated by said single order.
  • This other characteristic of the invention further increases the ease of control, automatic and synchronized, hybrid circuit breaker.
  • the grounding arrangement is an element under separate envelope and provided with a specific order.
  • the circuit breaker according to the invention is optimized as for the materials used and therefore the cost.
  • said two axes are substantially perpendicular
  • said moving contact of the chamber of cut is extended by a longitudinal arrangement on which a connected element is arranged to the moving contact of the vacuum interrupter and said single command requests said mobile contact from the cutting chamber in translation according to said first axis, the length and shape of the said arrangement of training ensuring synchronization between displacements of said moving contacts.
  • said arrangement longitudinal drive is formed by a slide having two parallel running surfaces between they, said element connected to the moving contact of the vacuum interrupter being disposed in said slide and permanently in contact with either of the two rolling surfaces.
  • said arrangement longitudinal drive is formed by a cam, said element connected to the moving contact of the light bulb empty being able to press against the surface of rolling of said cam on the opposite side to that of the bulb when activating the command of means for actuating the hybrid circuit breaker.
  • said slide or said cam comprises a first parallel section to the first axis arranged on the side of said extended control on the moving contact side of the cutting chamber by a second inclined section in the opposite direction to the moving contact of the vacuum bulb itself extended by a third parallel section to the first axis of the contact side moving of the breaking chamber, this last section being extended by a fourth section inclined towards the mobile contact of the vacuum bulb itself extended by a fifth section parallel to the first axis of the side of the moving contact of the breaking chamber.
  • Said fifth section provides the function of closing the vacuum bulb.
  • said fifth section is longer than the distance between the contacts of the breaking chamber at the end of the open position.
  • said arrangement of grounding is driven by a connecting rod of which a solidarity element is arranged in said slide or on the running surface of said cam, the translation of this rod during the passage of this solidarity element in the second section ensuring the displacement of a connected contact electrically to said vacuum bulb in an organ contact grounded.
  • said grounding arrangement consists of a contact arranged at the end of the slot arrangement longitudinal side of the order and coming into a contact member connected to the earth at the end of the race opening of the movable contact of the interrupting chamber.
  • a mechanical spring arrangement closing pressure is arranged substantially according to the second axis.
  • Said spring of said pressure arrangement closing is advantageously arranged outside a housing which encloses said longitudinal arrangement drive.
  • the circuit breaker according to the invention is in a metal casing grounding.
  • Said contact member connected to the earth can be a tulip contact mounted on said envelope.
  • Figures 1 to 4 are sectional views length of a hybrid circuit breaker in an envelope metal grounded said shielded, according to a first embodiment of the invention, according to different positions during an opening command.
  • Figure 5 is a longitudinal sectional view a metal-enclosed hybrid circuit breaker the so-called armored earth, according to a second mode of embodiment of the invention, in the closed position.
  • Figure 6 is a partial sectional view length of a hybrid circuit breaker in an envelope metal grounded said shielded, according to a third embodiment of the invention, in closed position.
  • Figures 7 and 8 are partial views of longitudinal section of a hybrid circuit breaker under insulating envelope, according to this third mode of embodiment of the invention, according to different positions during an opening order.
  • a hybrid circuit breaker includes for each pole a dielectric gas cutoff chamber 1, by example of SF6 under pressure, including a contact fixed 1A and a movable contact 1B arranged longitudinally to a first axis AA ', seen horizontally according to the figures, and whose fixed contact 1A is connected to a first terminal of the network 3A.
  • This room 1 is connected in series with a light bulb vacuum 2 having a fixed contact 2A and a contact mobile 2B arranged longitudinally to a second axis BB ', vertical seen according to the figures, and whose contact fixed 2A is connected to a second terminal of the network 3B.
  • Actuating means ensure by a single command 4 moving between a position opening and closing position of the contacts mobiles 1B and 2B.
  • actuating means comprise a reclosing arrangement of the movable contact 2B of the vacuum bottle 2, ensuring this reclosing by the single command 4 before the open position of the movable contact of the breaking chamber 1.
  • They also include an arrangement of displacement of the moving contact 1B of the chamber of cut 1 over a distance greater than the distance between contacts 1A and 1B of the breaking chamber in end of opening position.
  • the hybrid circuit breaker further includes a automatic grounding arrangement actuated by the single order 4.
  • both axes AA 'and BB' are therefore substantially perpendicular and the moving contact 1B of the breaking chamber 1 is extended by a longitudinal arrangement of training said slide on which is disposed in contact permanent an element connected to the moving contact 2B of the vacuum bulb 2 and the single command 4 requests the moving contact 1B of the breaking chamber 1 in translation along the first axis AA ', the length and the shape of this training arrangement ensuring a synchronization between the movements of the contacts mobiles 1B and 2B.
  • FIG. 1 A first embodiment is described now with reference to Figures 1 to 4, representing a hybrid circuit breaker with metal casing C set the ground or armored.
  • the slide is here made by a groove 5 arranged on a part prolonging the moving contact 1B and connecting it to the control rod 4A and the element connected to the moving contact 2B of the light bulb empty 2 is a tenon or axis 6 perpendicular to the second BB 'axis which is engaged in this groove 5.
  • the groove 5 is shaped as following.
  • the bulb empty 2 To fulfill the function of opening the bulb empty 2 to a few ms offset from that of the breaking chamber 1, it comprises a first section 5A parallel to the first axis AA ', disposed on the side of the control 4 and extended on the side of the movable contact 1B of the breaking chamber 1 by a second section 5B inclined in the opposite direction to the moving contact 2B of the vacuum bulb 2 itself extended by a third section 5C parallel to the first axis AA 'of the side of the movable contact 2B of the breaking chamber 2.
  • this time shift of opening is the order of 3 ms.
  • this shift may have to be different value. Thanks to the actuating means according to the invention, it is easy to perform this adjusting and mounting a grooved element suitable for need.
  • the groove 5 is extended by one fourth section 5D inclined towards the moving contact 2B of the vacuum bulb 2 itself extended by a fifth section 5 E parallel to the first axis AA 'of side of the movable contact 1B of the breaking chamber 1.
  • this fifth section 5 E is length greater than the distance between the contacts 1A and 1B of the breaking chamber 1 according to circuit breaker and in open position.
  • an arrangement of grounding is driven by a connecting rod 7 one of which integral element, a tenon or axis 7A, is engaged in an extension of the first section 5A of the groove 5, the translation of this rod 7 during the passage of this solidarity element 7A in the second section 5B ensuring the displacement of a connected contact 8 electrically to the break chamber 1 in an organ contact 9 connected to the earth, here a tulip contact mounted on the C envelope.
  • this rod 7 is sliding vertically in a fixed housing 10 and is engaged its outer end to this housing 10 in a groove longitudinal axis of a second connecting rod 11 pivoting to its end on a fixed and horizontal axis 14 carried by the 10.
  • a tenon or integral axis of contact 8 which is mounted sliding vertically in the housing 10 with interposition of sliding electrical contacts.
  • a pressure arrangement 12 is interposed between the 2B mobile contact of the vacuum bulb 2 and the axis or tenon 6 connected to this contact 2B.
  • this arrangement is a mechanical spring arrangement 13.
  • This arrangement consists of an extension radial 12A of the movable contact 2B of the bulb 2 which can translate in a cylindrical opening of the housing 10 with the interposition of sliding contacts and which forms a housing for the mechanical spring 13 on the end of which comes into contact with a piston 12B annular whose translation travel is limited by abutment against a flange of the movable contact 2B.
  • This piston 12B carries the tenon or axis 6.
  • the spring 13 ensures a pressure between the contacts 2A and 2B of the bulb 2 in their position of closure.
  • the circuit breaker is in the closed position, contacts 1A and 1B of the breaking chamber 1 as well as those 2A and 2B of the vacuum bulb 2 being closed.
  • Axes 6 and 7A are in the first horizontal section 5A of the groove.
  • the grounding arrangement is in position inactive.
  • the opening cycle starts and the control rod 4A is pulled to the right.
  • the axis 6 of the vacuum bulb 2 goes down thanks to the second section 5B of the groove 5 ensuring the offset opening of the contacts 2A and 2B of this bulb.
  • opening contacts 1A and 1B of the chamber of cut 1 is completed with blowing of the bow, known way in itself.
  • the axis 7A of the connecting rod 7 of the earth is always in the first section 5A of the groove 5 and the setting arrangement earth is still inactive.
  • the axis 7A of the connecting rod 7 grounded went down through the second section 5B of the groove 5 and drive also down contact 8 via of the grooved rod 11 and at the end of the race the grounding arrangement is in the active position, the contact 8 electrically connected to the tulip contact 9 mounted on the envelope C.
  • FIG. 5 represents a second mode of embodiment comprising a variant embodiment of the automatic grounding arrangement.
  • the longitudinal arrangement of training or slide door at its end on the side of the control 4 a contact 8 'of longitudinal axis AA' and the distance between this contact 8 'and the envelope C which carries a contact 9 'connected to the ground, preferably of type tulip, is such that at the end of the displacement race longitudinal control rod 4A, in the position of disconnector operation, this contact 8 'comes into electrical contact with tulip contact 9 ' ensuring the grounding.
  • Figure 6 shows a third mode of embodiment of the invention, in the closed position, comprising another variant of training means.
  • the slide is here made by a connecting rod 5 ' arranged in extension of the moving contact 1B and connecting this one to the control rod 4A, and the connected element to the movable contact 2B of the vacuum interrupter 2 is a tenon or axis 6 'perpendicular to the second axis BB' and rolling against this slide rod 5 '.
  • the connecting rod 5 ' includes sections 5'A to 5'E similar to those already described for the first embodiment groove 5 and of identical function.
  • This axis 6 ' carries a bearing and is inserted between the face or the lower generatrix of the connecting rod 5 ' and a part 7 'connected to the movable contact 2B of the bulb 2.
  • This piece 7 ' is stirrup-shaped and is advantageously slidably maintained by a support 8 'carried by the casing 10.
  • Figures 7 and 8 partially represent a such circuit breaker during an opening cycle.
  • the circuit breaker is in the closed position, contacts 1A and 1B of the breaking chamber 1 as well as those 2A and 2B of the vacuum bulb 2 being closed.
  • the axis 6 ' is in contact on the first horizontal section 5'A of the 5 'slide rod.
  • the opening cycle starts and the control rod 4A is pulled to the right.
  • the axis 6 'of the bulb to empty 2 goes down thanks to the second section 5'B of the connecting rod 5 'ensuring the offset opening of the contacts 2A and 2B of this bulb, as shown in the figure 7.
  • opening contacts 1A and 1B of the chamber of cut 1 is completed with blowing, in known manner in itself.
  • Vacuum bulb 2 closed, axis 6 'moves then on the fifth section 5 'E of the connecting rod 5' and separating the contacts 1A and 1B from the chamber of cut 1 is continued beyond its position opening up to a position where it ensures disconnector function.
  • the invention applies to any type of hybrid circuit-breaker, whether in a metal casing connected to the earth or insulation in the air.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

The breaker has a dielectric-gas interrupting chamber (1) with contacts that are disposed longitudinally to an axis. The chamber (1) is connected in series with a vacuum bottle (2) containing a fixed contact (2A) and a moving contact (2B). An actuating unit has an arrangement for re-closing the moving contact such that a single control (4) performs re-closure before the moving contact reaches its open position.

Description

La présente invention concerne un disjoncteur hybride à haute tension.The present invention relates to a circuit breaker hybrid high voltage.

Un tel disjoncteur hybride comporte pour chaque pôle une chambre de coupure à gaz diélectrique, par exemple du SF6 sous pression, dont le contact fixe est relié à une première borne du réseau et connecté en série avec un interrupteur supportant le dU/dt de la tension transitoire de rétablissement et dont le contact fixe est relié à une seconde borne du réseau. Cet interrupteur est souvent une ampoule à vide.Such a hybrid circuit breaker comprises for each pole a dielectric gas break chamber, by SF6 under pressure, whose fixed contact is connected to a first terminal of the network and connected in series with a switch supporting the dU / dt of the transient recovery voltage and whose fixed contact is connected to a second terminal of the network. This switch is often a vacuum bulb.

Un tel disjoncteur hybride sous enveloppe métallique dit couramment blindé est décrit dans le brevet US 4 458 119 où chambre de coupure et ampoule sont montées en série et alignées. Les contacts mobiles de la chambre et de l'ampoule y sont connectés à des moyens d'actionnement entre une position d'ouverture et une position de fermeture au moyen d'une commande unique. Ces moyens d'actionnement comportent un ensemble de biellettes assurant l'ouverture des contacts de l'ampoule à vide avant celle des contacts de la chambre de coupure à gaz. Ce décalage est en général de l'ordre de quelques millisecondes. Il est provoqué par la trajectoire du contact mobile plus courte sur l'ampoule à vide que sur la chambre de coupure.Such a hybrid circuit breaker in an envelope metal said commonly armored is described in the US Patent 4,458,119 where break chamber and bulb are mounted in series and aligned. Mobile contacts of the chamber and bulb are connected to them actuating means between an open position and a closed position by means of a command unique. These actuating means comprise a set of rods ensuring the opening of Vacuum bulb contacts before contacts of the gas cutoff chamber. This shift is in general of the order of a few milliseconds. It is caused by the trajectory of the moving contact more short on the vacuum bulb than on the chamber of cut.

Ce type de disjoncteur hybride pose les problèmes techniques suivants. This type of hybrid circuit breaker poses the problems following techniques.

Tout d'abord, compte tenu de l'alignement des éléments de coupure il est particulièrement encombrant.First of all, given the alignment of cutting elements it is particularly bulky.

Par ailleurs, ses moyens d'actionnement ne permettent aucun réglage aisé de ce décalage. Or, selon la puissance du disjoncteur hybride ou selon le gaz diélectrique utilisé, il peut s'avérer utile d'obtenir un décalage temporel plus ou moins grand entre ouverture de la chambre de coupure et l'ampoule.Moreover, its actuation means allow no easy adjustment of this shift. However, according to the power of the hybrid circuit breaker or according to the gas dielectric used, it may be useful to obtain more or less time lag between opening the break chamber and the bulb.

Pour résoudre ces problèmes, il peut être envisagé de disposer la chambre de coupure à gaz et l'ampoule à vide selon deux axes inclinés, le contact mobile de la chambre de coupure étant prolongé par un agencement longitudinal d'entraínement sur lequel est disposé en contact permanent un élément relié au contact mobile de l'ampoule à vide, la commande unique sollicitant le contact mobile de la chambre de coupure en translation selon le premier axe et la longueur et la forme de l'agencement d'entraínement assurant une synchronisation entre les déplacements des contacts mobiles d'une position fermée à une position ouverte des contacts mobiles et inversement.To solve these problems, it can be planned to dispose of the gas cut chamber and the vacuum bulb along two inclined axes, the contact moving of the break chamber being extended by a longitudinal arrangement of drive on which is disposed in permanent contact an element connected to the mobile contact of the vacuum bulb, the single command soliciting the moving contact of the breaking chamber in translation along the first axis and the length and the shape of the drive arrangement ensuring a synchronization between the movements of the contacts movable from a closed position to an open position mobile contacts and vice versa.

Un tel agencement pour un disjoncteur hybride est décrit dans le document de brevet US 2003/0089682 ou WO 97/08723.Such an arrangement for a hybrid circuit breaker is described in US Patent Document 2003/0089682 or WO 97/08723.

Cependant, ces agencements posent les problèmes techniques suivants.However, these arrangements pose the problems following techniques.

Une fois les contacts mobiles de la chambre de coupure et de l'ampoule à vide en position ouverte, chambre de coupure et ampoule à vide restent en position ouverte. Or dans cette position, l'ensemble des contacts mobiles et les pièces chargées qui leur sont solidaires forment un ensemble à potentiel dit flottant se comportant comme un condensateur et susceptible d'entraíner des décharges partielles susceptibles de dégrader le disjoncteur, par exemple dans les pièces isolantes sous tension, en particulier lorsque la tension aux bornes du disjoncteur est importante. Ceci peut entraíner des réamorçages, compte tenu essentiellement de la faible distance entre les contacts de l'ampoule à vide.Once the moving contacts of the chamber of cutoff and vacuum bulb in open position, break chamber and vacuum bulb remain in open position. Now in this position, the whole mobile contacts and the charged parts that are connected together form a set with potential said floating behaving like a capacitor and likely to lead to partial discharges likely to degrade the circuit breaker, for example in live insulating parts, in particular when the voltage across the circuit breaker is important. This can lead to reboots basically because of the small distance between Vacuum bulb contacts.

Ce problème peut généralement être résolu par l'installation de sectionneurs montés en série avec le disjoncteur.This problem can usually be solved by the installation of disconnectors connected in series with the breaker.

Cependant, au cas où l'on supprime cette installation supplémentaire, les performances du disjoncteur et sa durée de vie s'en trouvent affectées.However, in case we delete this additional installation, the performance of the breaker and its life are affected.

Pour résoudre ce problème, l'invention propose un disjoncteur hybride comprenant pour chaque pôle une chambre de coupure à gaz diélectrique comportant un premier contact et un second contact mobile disposés longitudinalement à un premier axe et dont le premier contact est relié à une première borne du réseau, cette chambre de coupure étant connectée en série avec une ampoule à vide comportant un contact fixe et un contact mobile disposés longitudinalement à un second axe et dont le contact fixe est relié à une seconde borne du réseau, des moyens d'actionnement assurant par une commande unique le déplacement entre une position d'ouverture et une position de fermeture desdits contacts mobiles, caractérisé en ce que lesdits moyens d'actionnement comprennent un agencement de refermeture du contact mobile de l'ampoule à vide, assurant cette refermeture par ladite commande unique avant la position d'ouverture du contact mobile de ladite chambre de coupure.To solve this problem, the invention proposes a hybrid circuit breaker comprising for each pole a dielectric gas breaking chamber comprising a first contact and a second movable contact arranged longitudinally to a first axis and whose first contact is connected to a first terminal of the network, this interrupting chamber being connected in series with a Vacuum bulb having a fixed contact and a contact movable longitudinally to a second axis and whose fixed contact is connected to a second terminal of the network, actuating means ensuring by a single command moving between a position opening and closing position of said mobile contacts, characterized in that said means of actuation comprise an arrangement of closing the mobile contact of the vacuum interrupter, ensuring this reclosing by said single command before the open position of the moving contact of said breaking chamber.

Une caractéristique importante de l'invention est que cette refermeture de l'ampoule à vide est réalisée par la même commande unique que l'ouverture et la fermeture des contacts permettant ainsi un agencement de commande particulièrement léger. Il en résulte un nombre de pièces limité et un coût et un temps de montage inférieur.An important feature of the invention is that this reclosing of the vacuum bulb is carried out by the same single command as the opening and the closure of the contacts thus allowing an arrangement particularly light control. This results in a limited number of pieces and a cost and a time of lower mount.

Selon un mode de réalisation préféré, lesdits moyens d'actionnement comprennent un agencement de déplacement du contact mobile de ladite chambre de coupure sur une distance supérieure à la distance entre les contacts de la chambre de coupure en position d'ouverture.According to a preferred embodiment, said actuating means comprise an arrangement of moving the movable contact of said chamber of cut over a distance greater than the distance between the contacts of the breaking chamber in position opening.

Grâce à cette caractéristique de l'invention, les contacts de la chambre de coupure sont espacés d'une distance supérieure à celle nécessaire à la fonction disjoncteur et la chambre de coupure peut remplir après cette position d'ouverture une fonction de sectionneur.Thanks to this characteristic of the invention, the chamber contacts are spaced apart from one another distance greater than that required for the function breaker and the break chamber can fill after this opening position a disconnector function.

Ceci est particulièrement intéressant pour s'affranchir du montage en série d'un sectionneur séparé comme il est fait généralement, afin d'éviter toute possibilité de réamorçages même en cas de fuite de gaz.This is particularly interesting for to get rid of the series connection of a disconnector separated as it is usually done, in order to avoid any possibility of reboots even in case of leakage gas.

Selon une autre caractéristique de l'invention, le disjoncteur hybride comprend un agencement de mise à la terre de la seconde borne actionné par ladite commande unique. According to another characteristic of the invention, the hybrid circuit breaker comprises an arrangement for the ground of the second terminal operated by said single order.

Cette autre caractéristique de l'invention augmente encore la facilité de commande, automatique et synchronisé, du disjoncteur hybride. De façon connue, l'agencement de mise à la terre est un élément sous enveloppe séparé et pourvu d'une commande spécifique. Le disjoncteur conforme à l'invention est donc optimisé quant aux matériels utilisés et donc au coût.This other characteristic of the invention further increases the ease of control, automatic and synchronized, hybrid circuit breaker. In known manner, the grounding arrangement is an element under separate envelope and provided with a specific order. The circuit breaker according to the invention is optimized as for the materials used and therefore the cost.

Selon un mode de réalisation particulier et préféré, lesdits deux axes sont sensiblement perpendiculaires, ledit contact mobile de la chambre de coupure est prolongé par un agencement longitudinal d'entraínement sur lequel est disposé un élément relié au contact mobile de l'ampoule à vide et ladite commande unique sollicite ledit contact mobile de la chambre de coupure en translation selon ledit premier axe, la longueur et la forme dudit agencement d'entraínement assurant une synchronisation entre les déplacements desdits contacts mobiles.According to a particular embodiment and preferred, said two axes are substantially perpendicular, said moving contact of the chamber of cut is extended by a longitudinal arrangement on which a connected element is arranged to the moving contact of the vacuum interrupter and said single command requests said mobile contact from the cutting chamber in translation according to said first axis, the length and shape of the said arrangement of training ensuring synchronization between displacements of said moving contacts.

Selon une première variante, ledit agencement longitudinal d'entraínement est formé par une glissière comportant deux surfaces de roulement parallèles entre elles, ledit élément relié au contact mobile de l'ampoule à vide étant disposé dans ladite glissière et en permanence en contact avec l'une ou l'autre des deux surfaces de roulement.According to a first variant, said arrangement longitudinal drive is formed by a slide having two parallel running surfaces between they, said element connected to the moving contact of the vacuum interrupter being disposed in said slide and permanently in contact with either of the two rolling surfaces.

Selon une seconde variante, ledit agencement longitudinal d'entraínement est formé par une came, ledit élément relié au contact mobile de l'ampoule à vide étant apte à appuyer contre la surface de roulement de ladite came du côté opposé à celui de l'ampoule lors de l'activation de la commande des moyens d'actionnement du disjoncteur hybride.According to a second variant, said arrangement longitudinal drive is formed by a cam, said element connected to the moving contact of the light bulb empty being able to press against the surface of rolling of said cam on the opposite side to that of the bulb when activating the command of means for actuating the hybrid circuit breaker.

Pour remplir la fonction d'ouverture de l'ampoule à vide à quelques ms de celle de la chambre de coupure, ladite glissière ou ladite came comporte un premier tronçon parallèle au premier axe disposé du côté de ladite commande prolongé du côté du contact mobile de la chambre de coupure par un deuxième tronçon incliné dans la direction opposée au contact mobile de l'ampoule à vide lui-même prolongé par un troisième tronçon parallèle au premier axe du côté du contact mobile de la chambre de coupure, ce dernier tronçon étant prolongé d'un quatrième tronçon incliné vers le contact mobile de l'ampoule à vide lui-même prolongé par un cinquième tronçon parallèle au premier axe du côté du contact mobile de la chambre de coupure.To fulfill the function of opening the bulb empty to a few ms of that of the breaking chamber, said slide or said cam comprises a first parallel section to the first axis arranged on the side of said extended control on the moving contact side of the cutting chamber by a second inclined section in the opposite direction to the moving contact of the vacuum bulb itself extended by a third parallel section to the first axis of the contact side moving of the breaking chamber, this last section being extended by a fourth section inclined towards the mobile contact of the vacuum bulb itself extended by a fifth section parallel to the first axis of the side of the moving contact of the breaking chamber.

Le choix de l'angle d'inclinaison de ce deuxième tronçon assure le réglage de la vitesse de séparation des contacts de l'ampoule à vide.The choice of the angle of inclination of this second section ensures the adjustment of the separation speed contacts of the vacuum bulb.

Ledit cinquième tronçon assure la fonction de refermeture de l'ampoule à vide.Said fifth section provides the function of closing the vacuum bulb.

Pour remplir la fonction de sectionneur de la chambre de coupure, ledit cinquième tronçon est de longueur supérieure à la distance entre les contacts de la chambre de coupure en fin de position d'ouverture.To fulfill the disconnector function of the breaking chamber, said fifth section is longer than the distance between the contacts of the breaking chamber at the end of the open position.

Selon une première variante, pour remplir la fonction de mise à la terre automatique, ledit agencement de mise à la terre est entraíné par une bielle dont un élément solidaire est disposé dans ladite glissière ou sur la surface de roulement de ladite came, la translation de cette bielle lors du passage de cet élément solidaire dans le deuxième tronçon assurant le déplacement d'un contact relié électriquement à ladite ampoule à vide dans un organe de contact relié à la terre.According to a first variant, to fill the automatic grounding function, said arrangement of grounding is driven by a connecting rod of which a solidarity element is arranged in said slide or on the running surface of said cam, the translation of this rod during the passage of this solidarity element in the second section ensuring the displacement of a connected contact electrically to said vacuum bulb in an organ contact grounded.

Selon une seconde variante, pour remplir la fonction de mise à la terre automatique, ledit agencement de mise à la terre est constitué d'un contact disposé à l'extrémité de l'agencement à rainure longitudinale du côté de la commande et venant dans un organe de contact relié à la terre en fin de course d'ouverture du contact mobile de la chambre de coupure.According to a second variant, to fill the automatic grounding function, said grounding arrangement consists of a contact arranged at the end of the slot arrangement longitudinal side of the order and coming into a contact member connected to the earth at the end of the race opening of the movable contact of the interrupting chamber.

De préférence, un agencement à ressort mécanique de pression en fermeture est disposé sensiblement selon le second axe.Preferably, a mechanical spring arrangement closing pressure is arranged substantially according to the second axis.

Ledit ressort dudit agencement de pression en fermeture est avantageusement disposé à l'extérieur d'un carter qui renferme ledit agencement longitudinal d'entraínement.Said spring of said pressure arrangement closing is advantageously arranged outside a housing which encloses said longitudinal arrangement drive.

Selon une application préférée, le disjoncteur conforme à l'invention est sous enveloppe métallique mise à la terre.According to a preferred application, the circuit breaker according to the invention is in a metal casing grounding.

Ledit organe de contact relié à la terre peut être un contact en tulipe monté sur ladite enveloppe.Said contact member connected to the earth can be a tulip contact mounted on said envelope.

L'invention est décrite ci-après plus en détail à l'aide de figures ne représentant que des modes de réalisation préférés de l'invention.The invention is described below in more detail in using figures representing only modes of preferred embodiment of the invention.

Les figures 1 à 4 sont des vues en coupe longitudinale d'un disjoncteur hybride sous enveloppe métallique mise à la terre dit blindé, selon un premier mode de réalisation de l'invention, selon différentes positions lors d'une commande d'ouverture. Figures 1 to 4 are sectional views length of a hybrid circuit breaker in an envelope metal grounded said shielded, according to a first embodiment of the invention, according to different positions during an opening command.

La figure 5 est une vue en coupe longitudinale d'un disjoncteur hybride sous enveloppe métallique mise à la terre dit blindé, selon un deuxième mode de réalisation de l'invention, en position fermée.Figure 5 is a longitudinal sectional view a metal-enclosed hybrid circuit breaker the so-called armored earth, according to a second mode of embodiment of the invention, in the closed position.

La figure 6 est une vue partielle en coupe longitudinale d'un disjoncteur hybride sous enveloppe métallique mise à la terre dit blindé, selon un troisième mode de réalisation de l'invention, en position fermée.Figure 6 is a partial sectional view length of a hybrid circuit breaker in an envelope metal grounded said shielded, according to a third embodiment of the invention, in closed position.

Les figures 7 et 8 sont des vues partielles en coupe longitudinale d'un disjoncteur hybride sous enveloppe isolante, selon ce troisième mode de réalisation de l'invention, selon différentes positions lors d'une commande d'ouverture.Figures 7 and 8 are partial views of longitudinal section of a hybrid circuit breaker under insulating envelope, according to this third mode of embodiment of the invention, according to different positions during an opening order.

De façon commune à tous les modes de réalisation décrits, un disjoncteur hybride comprend pour chaque pôle une chambre de coupure à gaz diélectrique 1, par exemple du SF6 sous pression, comportant un contact fixe 1A et un contact mobile 1B disposés longitudinalement à un premier axe AA', horizontal vu selon les figures, et dont le contact fixe 1A est relié à une première borne du réseau 3A. Cette chambre de coupure 1 est connectée en série avec une ampoule à vide 2 comportant un contact fixe 2A et un contact mobile 2B disposés longitudinalement à un second axe BB', vertical vu selon les figures, et dont le contact fixe 2A est relié à une seconde borne du réseau 3B.Commonly to all embodiments described, a hybrid circuit breaker includes for each pole a dielectric gas cutoff chamber 1, by example of SF6 under pressure, including a contact fixed 1A and a movable contact 1B arranged longitudinally to a first axis AA ', seen horizontally according to the figures, and whose fixed contact 1A is connected to a first terminal of the network 3A. This room 1 is connected in series with a light bulb vacuum 2 having a fixed contact 2A and a contact mobile 2B arranged longitudinally to a second axis BB ', vertical seen according to the figures, and whose contact fixed 2A is connected to a second terminal of the network 3B.

Des moyens d'actionnement assurent par une commande unique 4 le déplacement entre une position d'ouverture et une position de fermeture des contacts mobiles 1B et 2B. Actuating means ensure by a single command 4 moving between a position opening and closing position of the contacts mobiles 1B and 2B.

Ces moyens d'actionnement comprennent un agencement de refermeture du contact mobile 2B de l'ampoule à vide 2, assurant cette refermeture par la commande unique 4 avant la position d'ouverture du contact mobile de la chambre de coupure 1.These actuating means comprise a reclosing arrangement of the movable contact 2B of the vacuum bottle 2, ensuring this reclosing by the single command 4 before the open position of the movable contact of the breaking chamber 1.

Ils comprennent également un agencement de déplacement du contact mobile 1B de la chambre de coupure 1 sur une distance supérieure à la distance entre les contacts 1A et 1B de la chambre de coupure en fin de position d'ouverture.They also include an arrangement of displacement of the moving contact 1B of the chamber of cut 1 over a distance greater than the distance between contacts 1A and 1B of the breaking chamber in end of opening position.

Le disjoncteur hybride comprend de plus un agencement de mise à la terre automatique actionné par la commande unique 4.The hybrid circuit breaker further includes a automatic grounding arrangement actuated by the single order 4.

Pour réaliser ces moyens d'actionnement, les deux axes AA' et BB' sont donc sensiblement perpendiculaires et le contact mobile 1B de la chambre de coupure 1 est prolongé par un agencement longitudinal d'entraínement dit glissière sur lequel est disposé en contact permanent un élément relié au contact mobile 2B de l'ampoule à vide 2 et la commande unique 4 sollicite le contact mobile 1B de la chambre de coupure 1 en translation selon le premier axe AA', la longueur et la forme de cet agencement d'entraínement assurant une synchronisation entre les déplacements des contacts mobiles 1B et 2B.To achieve these means of actuation, both axes AA 'and BB' are therefore substantially perpendicular and the moving contact 1B of the breaking chamber 1 is extended by a longitudinal arrangement of training said slide on which is disposed in contact permanent an element connected to the moving contact 2B of the vacuum bulb 2 and the single command 4 requests the moving contact 1B of the breaking chamber 1 in translation along the first axis AA ', the length and the shape of this training arrangement ensuring a synchronization between the movements of the contacts mobiles 1B and 2B.

Une premier mode de réalisation est décrit maintenant en référence aux figures 1 à 4, représentant un disjoncteur hybride à enveloppe métallique C mise à la terre ou blindé.A first embodiment is described now with reference to Figures 1 to 4, representing a hybrid circuit breaker with metal casing C set the ground or armored.

La glissière est ici réalisée par une rainure 5 agencée sur une pièce prolongeant le contact mobile 1B et reliant celui-ci à la bielle de commande 4A et l'élément relié au contact mobile 2B de l'ampoule à vide 2 est un tenon ou axe 6 perpendiculaire au second axe BB' qui est en prise dans cette rainure 5.The slide is here made by a groove 5 arranged on a part prolonging the moving contact 1B and connecting it to the control rod 4A and the element connected to the moving contact 2B of the light bulb empty 2 is a tenon or axis 6 perpendicular to the second BB 'axis which is engaged in this groove 5.

Pour réaliser la synchronisation souhaitée des contacts mobiles 1B et 2B, la rainure 5 est conformée comme suit.To achieve the desired synchronization of movable contacts 1B and 2B, the groove 5 is shaped as following.

Pour remplir la fonction d'ouverture de l'ampoule à vide 2 à quelques ms de décalage de celle de la chambre de coupure 1, elle comporte un premier tronçon 5A parallèle au premier axe AA', disposé du côté de la commande 4 et prolongé du côté du contact mobile 1B de la chambre de coupure 1 par un deuxième tronçon 5B incliné dans la direction opposée au contact mobile 2B de l'ampoule à vide 2 lui-même prolongé par un troisième tronçon 5C parallèle au premier axe AA' du côté du contact mobile 2B de la chambre de coupure 2.To fulfill the function of opening the bulb empty 2 to a few ms offset from that of the breaking chamber 1, it comprises a first section 5A parallel to the first axis AA ', disposed on the side of the control 4 and extended on the side of the movable contact 1B of the breaking chamber 1 by a second section 5B inclined in the opposite direction to the moving contact 2B of the vacuum bulb 2 itself extended by a third section 5C parallel to the first axis AA 'of the side of the movable contact 2B of the breaking chamber 2.

Il apparaít ici un avantage de l'invention. Généralement ce décalage temporel d'ouverture est de l'ordre de 3 ms. Cependant, selon la puissance du disjoncteur et selon le gaz diélectrique utilisé dans la chambre de coupure, ce décalage peut devoir être de valeur différente. Grâce aux moyens d'actionnement conformes à l'invention, il est aisé de d'effectuer ce réglage et de monter un élément à rainure adapté au besoin.Here appears an advantage of the invention. Generally, this time shift of opening is the order of 3 ms. However, depending on the power of the circuit breaker and according to the dielectric gas used in the breaking chamber, this shift may have to be different value. Thanks to the actuating means according to the invention, it is easy to perform this adjusting and mounting a grooved element suitable for need.

Pour remplir la fonction de refermeture de l'ampoule à vide 2, la rainure 5 se prolonge d'un quatrième tronçon 5D incliné vers le contact mobile 2B de l'ampoule à vide 2 lui-même prolongé par un cinquième tronçon 5 E parallèle au premier axe AA' du côté du contact mobile 1B de la chambre de coupure 1.To perform the close function of the vacuum bulb 2, the groove 5 is extended by one fourth section 5D inclined towards the moving contact 2B of the vacuum bulb 2 itself extended by a fifth section 5 E parallel to the first axis AA 'of side of the movable contact 1B of the breaking chamber 1.

Pour remplir la fonction de sectionneur de la chambre de coupure 1, ce cinquième tronçon 5 E est de longueur supérieure à la distance entre les contacts 1A et 1B de la chambre de coupure 1 en fonction disjoncteur et en position ouverte.To fulfill the disconnector function of the breaking chamber 1, this fifth section 5 E is length greater than the distance between the contacts 1A and 1B of the breaking chamber 1 according to circuit breaker and in open position.

Pour remplir la fonction de mise à la terre automatique de la seconde borne 3B, un agencement de mise à la terre est entraíné par une bielle 7 dont un élément solidaire, un tenon ou axe 7A, est en prise dans un prolongement du premier tronçon 5A de la rainure 5, la translation de cette bielle 7 lors du passage de cet élément solidaire 7A dans le deuxième tronçon 5B assurant le déplacement d'un contact 8 relié électriquement à la chambre de coupure 1 dans un organe de contact 9 relié à la terre, ici un contact en tulipe monté sur l'enveloppe C.To perform the grounding function of the second terminal 3B, an arrangement of grounding is driven by a connecting rod 7 one of which integral element, a tenon or axis 7A, is engaged in an extension of the first section 5A of the groove 5, the translation of this rod 7 during the passage of this solidarity element 7A in the second section 5B ensuring the displacement of a connected contact 8 electrically to the break chamber 1 in an organ contact 9 connected to the earth, here a tulip contact mounted on the C envelope.

Plus précisément, cette bielle 7 est coulissante verticalement dans un carter fixe 10 et est en prise à son extrémité externe à ce carter 10 dans une rainure longitudinale d'une deuxième bielle 11 pivotante à son extrémité sur un axe fixe et horizontal 14 porté par le carter 10. Dans cette même rainure est en prise un tenon ou axe solidaire du contact 8 qui est monté coulissant verticalement dans le carter 10 avec interposition de contacts électriques glissants.More specifically, this rod 7 is sliding vertically in a fixed housing 10 and is engaged its outer end to this housing 10 in a groove longitudinal axis of a second connecting rod 11 pivoting to its end on a fixed and horizontal axis 14 carried by the 10. In this same groove is engaged a tenon or integral axis of contact 8 which is mounted sliding vertically in the housing 10 with interposition of sliding electrical contacts.

Par ailleurs, afin d'assurer la pression de fermeture des contacts 2A et 2B de l'ampoule à vide, un agencement de pression 12 est intercalé entre le contact mobile 2B de l'ampoule à vide 2 et l'axe ou tenon 6 relié à ce contact 2B. Ici, cet agencement est un agencement à ressort mécanique 13.Moreover, to ensure the pressure of closing the contacts 2A and 2B of the vacuum interrupter, a pressure arrangement 12 is interposed between the 2B mobile contact of the vacuum bulb 2 and the axis or tenon 6 connected to this contact 2B. Here, this arrangement is a mechanical spring arrangement 13.

Cet agencement est constitué d'un prolongement radial 12A du contact mobile 2B de l'ampoule 2 qui peut translater dans une ouverture cylindrique du carter 10 avec interposition de contacts glissants et qui forme un logement pour le ressort mécanique 13 sur l'extrémité duquel vient en contact un piston annulaire 12B dont la course de translation est limitée par butée contre une bride du contact mobile 2B. Ce piston 12B porte le tenon ou axe 6. Par son tarage, le ressort 13 assure une pression entre les contacts 2A et 2B de l'ampoule 2 dans leur postion de fermeture.This arrangement consists of an extension radial 12A of the movable contact 2B of the bulb 2 which can translate in a cylindrical opening of the housing 10 with the interposition of sliding contacts and which forms a housing for the mechanical spring 13 on the end of which comes into contact with a piston 12B annular whose translation travel is limited by abutment against a flange of the movable contact 2B. This piston 12B carries the tenon or axis 6. By its calibration, the spring 13 ensures a pressure between the contacts 2A and 2B of the bulb 2 in their position of closure.

Un cycle d'ouverture va maintenant être décrit. Plus loin, toute référence à « vertical » ou « horizontal », « droite » ou « gauche », « haut » ou « bas » est à considérer vu selon les figures.An opening cycle will now be described. Further, any reference to "vertical" or "Horizontal", "right" or "left", "high" or "Low" is to be considered according to the figures.

Comme représenté sur la figure 1, le disjoncteur est en position fermée, les contacts 1A et 1B de la chambre de coupure 1 ainsi que ceux 2A et 2B de l'ampoule à vide 2 étant fermés. Les axes 6 et 7A sont dans le premier tronçon horizontal 5A de la rainure. L'agencement de mise à la terre est en position inactive.As shown in FIG. 1, the circuit breaker is in the closed position, contacts 1A and 1B of the breaking chamber 1 as well as those 2A and 2B of the vacuum bulb 2 being closed. Axes 6 and 7A are in the first horizontal section 5A of the groove. The grounding arrangement is in position inactive.

Par la commande 4, le cycle d'ouverture commence et la bielle de commande 4A est tirée vers la droite. Après une première course dans le premier tronçon 5A où les contacts 1A et 1B de la chambre de coupure 1 sont séparés et où les contacts 2A et 2B de l'ampoule à vide restent fermés, dans un premier temps, comme représenté sur la figure 2, l'axe 6 de l'ampoule à vide 2 descend grâce au deuxième tronçon 5B de la rainure 5 assurant l'ouverture décalée des contacts 2A et 2B de cette ampoule. Puis par passage dans le troisième tronçon 5C, l'ouverture des contacts 1A et 1B de la chambre de coupure 1 est complétée avec soufflage de l'arc, de façon connue en soi. L'axe 7A de la bielle 7 de mise à la terre est quant à lui toujours dans le premier tronçon 5A de la rainure 5 et l'agencement de mise à la terre est toujours en position inactive.By command 4, the opening cycle starts and the control rod 4A is pulled to the right. After a first race in the first section 5A where the contacts 1A and 1B of the breaking chamber 1 are separated and where contacts 2A and 2B of the vacuum interrupter remain closed at first, as shown in Figure 2, the axis 6 of the vacuum bulb 2 goes down thanks to the second section 5B of the groove 5 ensuring the offset opening of the contacts 2A and 2B of this bulb. Then passing through the third section 5C, opening contacts 1A and 1B of the chamber of cut 1 is completed with blowing of the bow, known way in itself. The axis 7A of the connecting rod 7 of the earth is always in the first section 5A of the groove 5 and the setting arrangement earth is still inactive.

La séparation des contacts 1A et 1B de la chambre de coupure 1 se poursuit, tandis que l'axe 6 est remonté par le quatrième tronçon 5D de la rainure 5, assurant la refermeture de l'ampoule à vide, comme représenté sur la figure 3. Dans cette position, la chambre de coupure 1 assure une fonction de disjoncteur. L'axe 7A de la bielle 7 de mise à la terre est quant à lui toujours dans le premier tronçon 5A de la rainure 5 et l'agencement de mise à la terre est toujours en position inactive.The separation of the contacts 1A and 1B of the chamber cutoff 1 continues, while axis 6 is reassembled by the fourth section 5D of the groove 5, ensuring the reclosing of the vacuum interrupter, as shown in Figure 3. In this position, the breaking chamber 1 provides a function of breaker. The axis 7A of the connecting rod 7 of grounding is still in the first section 5A of the groove 5 and the grounding arrangement is always in the inactive position.

Ampoule à vide 2 fermée, l'axe 6 se déplace ensuite dans le cinquième tronçon 5 E de la rainure 5 et la séparation des contacts 1A et 1B de la chambre de coupure 1 est poursuivie au-delà de sa positon d'ouverture jusqu'à une position représentée sur la figure 4 où elle assure une fonction de sectionneur. Durant ce dernier déplacement, l'axe 7A de la bielle 7 de mise à la terre est descendu par passage dans le deuxième tronçon 5B de la rainure 5 et entraíne également vers le bas le contact 8 par l'intermédiaire de la bielle rainurée 11 et en fin de course l'agencement de mise à la terre est en position active, le contact 8 relié électriquement au contact en tulipe 9 monté sur l'enveloppe C.Vacuum bulb 2 closed, axis 6 moves then in the fifth section 5 E of the groove 5 and separating the contacts 1A and 1B from the chamber of cut 1 is continued beyond his position opening up to a position shown on the Figure 4 where it provides a disconnector function. During this last displacement, the axis 7A of the connecting rod 7 grounded went down through the second section 5B of the groove 5 and drive also down contact 8 via of the grooved rod 11 and at the end of the race the grounding arrangement is in the active position, the contact 8 electrically connected to the tulip contact 9 mounted on the envelope C.

La figure 5 représente un deuxième mode de réalisation comportant une variante de réalisation de l'agencement de mise à la terre automatique.FIG. 5 represents a second mode of embodiment comprising a variant embodiment of the automatic grounding arrangement.

Ici, l'agencement longitudinal d'entraínement ou glissière porte à son extrémité du côté de la commande 4 un contact 8' d'axe longitudinal AA' et la distance entre ce contact 8' et l'enveloppe C qui porte un contact 9' relié à la terre, de préférence de type tulipe, est telle qu'en fin de course de déplacement longitudinale de bielle de commande 4A, en position de fonctionnement de sectionneur, ce contact 8' vient en contact électrique avec le contact en tulipe 9' assurant la mise à le terre.Here, the longitudinal arrangement of training or slide door at its end on the side of the control 4 a contact 8 'of longitudinal axis AA' and the distance between this contact 8 'and the envelope C which carries a contact 9 'connected to the ground, preferably of type tulip, is such that at the end of the displacement race longitudinal control rod 4A, in the position of disconnector operation, this contact 8 'comes into electrical contact with tulip contact 9 ' ensuring the grounding.

La figure 6 représente un troisième mode de réalisation de l'invention, en position fermée, comportant une autre variante de moyens d'entraínement.Figure 6 shows a third mode of embodiment of the invention, in the closed position, comprising another variant of training means.

La glissière est ici réalisée par une bielle 5' agencée en prolongement du contact mobile 1B et reliant celui-ci à la bielle de commande 4A, et l'élément relié au contact mobile 2B de l'ampoule à vide 2 est un tenon ou axe 6' perpendiculaire au second axe BB' et roulant contre cette bielle de glissière 5'. La bielle 5' comprend des tronçons 5'A à 5'E analogues à ceux déjà décrits pour le premier mode de réalisation à rainure 5 et de fonction identique.The slide is here made by a connecting rod 5 ' arranged in extension of the moving contact 1B and connecting this one to the control rod 4A, and the connected element to the movable contact 2B of the vacuum interrupter 2 is a tenon or axis 6 'perpendicular to the second axis BB' and rolling against this slide rod 5 '. The connecting rod 5 ' includes sections 5'A to 5'E similar to those already described for the first embodiment groove 5 and of identical function.

Cet axe 6' porte un roulement et est inséré entre la face ou la génératrice inférieure de la bielle 5' et une pièce 7' liée au contact mobile 2B de l'ampoule à vide 2. Cette pièce 7' est en forme d'étrier et est avantageusement maintenue en coulissement par un support 8' porté par le carter 10.This axis 6 'carries a bearing and is inserted between the face or the lower generatrix of the connecting rod 5 ' and a part 7 'connected to the movable contact 2B of the bulb 2. This piece 7 'is stirrup-shaped and is advantageously slidably maintained by a support 8 'carried by the casing 10.

Les figures 7 et 8 représentent partiellement un tel disjoncteur lors d'un cycle d'ouverture.Figures 7 and 8 partially represent a such circuit breaker during an opening cycle.

Un cycle d'ouverture au moyen de ces variantes va maintenant être décrit.An opening cycle using these variants will now be described.

Comme représenté sur la figure 6, le disjoncteur est en position fermée, les contacts 1A et 1B de la chambre de coupure 1 ainsi que ceux 2A et 2B de l'ampoule à vide 2 étant fermés. L'axe 6' est en contact sur le premier tronçon horizontal 5'A de la bielle de glissière 5'.As shown in FIG. 6, the circuit breaker is in the closed position, contacts 1A and 1B of the breaking chamber 1 as well as those 2A and 2B of the vacuum bulb 2 being closed. The axis 6 'is in contact on the first horizontal section 5'A of the 5 'slide rod.

Par la commande 4, le cycle d'ouverture commence et la bielle de commande 4A est tirée vers la droite. Après une première course sur le premier tronçon 5'A où les contacts 1A et 1B de la chambre de coupure 1 sont séparés, dans un premier temps, l'axe 6' de l'ampoule à vide 2 descend grâce au deuxième tronçon 5'B de la bielle 5' assurant l'ouverture décalée des contacts 2A et 2B de cette ampoule, comme représenté sur la figure 7. Puis par passage sur le troisième tronçon 5'C, l'ouverture des contacts 1A et 1B de la chambre de coupure 1 est complétée avec soufflage, de façon connue en soi.By command 4, the opening cycle starts and the control rod 4A is pulled to the right. After a first race on the first stretch 5'A where the contacts 1A and 1B of the breaking chamber 1 are initially separated, the axis 6 'of the bulb to empty 2 goes down thanks to the second section 5'B of the connecting rod 5 'ensuring the offset opening of the contacts 2A and 2B of this bulb, as shown in the figure 7. Then by passing on the third section 5'C, opening contacts 1A and 1B of the chamber of cut 1 is completed with blowing, in known manner in itself.

La séparation des contacts 1A et 1B de la chambre de coupure 1 se poursuit, tandis que l'axe 6' est remonté par le quatrième tronçon 5'D de la bielle 5', assurant la refermeture de l'ampoule à vide, comme représenté sur la figure 8. Dans cette position, la chambre de coupure 1 assure une fonction de disjoncteur. The separation of the contacts 1A and 1B of the chamber 1 continues, while the 6 'axis is reassembled by the fourth section 5'D of the connecting rod 5 ', ensuring the reclosing of the vacuum interrupter, as shown in Figure 8. In this position, the breaking chamber 1 provides a function of breaker.

Ampoule à vide 2 fermée, l'axe 6' se déplace ensuite sur le cinquième tronçon 5' E de la bielle 5' et la séparation des contacts 1A et 1B de la chambre de coupure 1 est poursuivie au-delà de sa position d'ouverture jusqu'à une position où elle assure une fonction de sectionneur.Vacuum bulb 2 closed, axis 6 'moves then on the fifth section 5 'E of the connecting rod 5' and separating the contacts 1A and 1B from the chamber of cut 1 is continued beyond its position opening up to a position where it ensures disconnector function.

Comme il a été illustré précédemment, l'invention s'applique à tout type de disjoncteur hybride, qu'il soit sous enveloppe métallique reliée à la terre ou à isolation dans l'air.As it has been illustrated previously, the invention applies to any type of hybrid circuit-breaker, whether in a metal casing connected to the earth or insulation in the air.

Claims (14)

Disjoncteur hybride comprenant pour chaque pôle une chambre de coupure à gaz diélectrique (1) comportant un premier contact (1A) et un second contact mobile (1B) disposés longitudinalement à un premier axe (AA') et dont le premier contact (1A) est relié à une première borne du réseau (3A), cette chambre de coupure (1) étant connectée en série avec une ampoule à vide (2) comportant un contact fixe (2A) et un contact mobile (2B) disposés longitudinalement à un second axe (BB') et dont le contact fixe (2A) est relié à une seconde borne du réseau (3B), des moyens d'actionnement assurant par une commande unique (4) le déplacement entre une position d'ouverture et une position de fermeture desdits contacts mobiles, caractérisé en ce que lesdits moyens d'actionnement comprennent un agencement de refermeture du contact mobile (2B) de l'ampoule à vide, assurant cette refermeture par ladite commande unique (4) avant la position d'ouverture du contact mobile (1B) de ladite chambre de coupure.Hybrid circuit breaker comprising for each pole a dielectric gas breaking chamber (1) having a first contact (1A) and a second movable contact (1B) arranged longitudinally at a first axis (AA ') and whose first contact (1A) is connected to a first terminal of the network (3A), this breaking chamber (1) being connected in series with a vacuum interrupter (2) comprising a fixed contact (2A) and a movable contact (2B) arranged longitudinally to a second axis (BB ') and whose fixed contact (2A) is connected to a second terminal of the network (3B), actuating means ensuring by a single command (4) the displacement between an open position and a closed position said movable contacts, characterized in that said actuating means comprise a reclosing arrangement of the movable contact (2B) of the vacuum interrupter, ensuring this reclosing by said single command (4) before the opening position of the movable contact (1B) of the said break room. Disjoncteur hybride selon la revendication 1, caractérisé en ce que lesdits moyens d'actionnement comprennent un agencement de déplacement du contact mobile (1B) de ladite chambre de coupure sur une distance supérieure à la distance entre les contacts de la chambre de coupure (1) en fin de position d'ouverture.Hybrid circuit breaker according to claim 1, characterized in that said actuating means comprise an arrangement for moving the moving contact (1B) of said breaking chamber over a distance greater than the distance between the contacts of the breaking chamber (1) at the end of the opening position. Disjoncteur selon l'une des revendications précédentes, caractérisé en ce qu'il comprend un agencement de mise à la terre de la seconde borne (3B) actionné par ladite commande unique (4).Circuit breaker according to one of the preceding claims, characterized in that it comprises an earthing arrangement of the second terminal (3B) actuated by said single control (4). Disjoncteur selon l'une des revendications précédentes, caractérisé en ce que lesdits deux axes (AA', BB') sont sensiblement perpendiculaires, ledit contact mobile (1B) de la chambre de coupure est prolongé par un agencement longitudinal d'entraínement sur lequel est disposé un élément (6, 6') relié au contact mobile (2B) de l'ampoule à vide, et ladite commande unique (4) sollicite ledit contact mobile (1B) de la chambre de coupure en translation selon ledit premier axe (AA'), la longueur et la forme dudit agencement d'entraínement assurant une synchronisation entre les déplacements desdits contacts mobiles.Circuit breaker according to one of the preceding claims, characterized in that said two axes (AA ', BB') are substantially perpendicular, said movable contact (1B) of the interrupting chamber is extended by a longitudinal drive arrangement on which is disposed an element (6, 6 ') connected to the moving contact (2B) of the vacuum interrupter, and said single control (4) biases said movable contact (1B) of the translation cleavage chamber along said first axis (AA '), the length and shape of said drive arrangement providing synchronization between the displacements of said movable contacts. Disjoncteur selon la revendication 4, caractérisé en ce que ledit agencement longitudinal d'entraínement est formé par une glissière (5) comportant deux surfaces de roulement parallèles entre elles, ledit élément (6, 6') relié au contact mobile (2B) de l'ampoule à vide étant disposé dans ladite glissière et en permanence en contact avec l'une ou l'autre des deux surfaces de roulement.Circuit breaker according to claim 4, characterized in that said longitudinal drive arrangement is formed by a slideway (5) having two running surfaces parallel to each other, said element (6, 6 ') connected to the moving contact (2B) of the vacuum bulb being disposed in said slide and permanently in contact with one or the other of the two running surfaces. Disjoncteur selon la revendication 4, caractérisé en ce que ledit agencement longitudinal d'entraínement est formé par une came (5'), ledit élément (6, 6') relié au contact mobile (2B) de l'ampoule à vide étant apte à appuyer contre la surface de roulement de ladite came du côté opposé à celui de l'ampoule (2) lors de l'activation de la commande (4) des moyens d'actionnement du disjoncteur hybride. Circuit breaker according to claim 4, characterized in that said longitudinal drive arrangement is formed by a cam (5 '), said element (6, 6') connected to the movable contact (2B) of the vacuum interrupter being adapted to pressing against the rolling surface of said cam on the opposite side to that of the bulb (2) when activating the control (4) of the hybrid circuit breaker operating means. Disjoncteur selon l'une quelconque des revendications 5 et 6, caractérisé en ce que ladite glissière ou ladite came (5, 5') comporte un premier tronçon (5A, 5'A) parallèle au premier axe (AA4) disposé du côté de ladite commande (4) et prolongé du côté du contact mobile (1B) de la chambre de coupure par un deuxième tronçon (5B, 5'B) incliné dans la direction opposée au contact mobile (2B) de l'ampoule à vide lui-même prolongé par un troisième tronçon (5C, 5' C) parallèle au premier axe (AA') du côté du contact mobile (2B) de la chambre de coupure,ce dernier tronçon étant prolongé d'un quatrième tronçon (5D, 5'D) incliné vers le contact mobile (2B) de l'ampoule à vide lui-même prolongé par un cinquième tronçon (5 E, 5'E) parallèle au premier axe (AA') du côté du contact mobile (1B) de la chambre de coupure.Circuit breaker according to any one of claims 5 and 6, characterized in that said slide or said cam (5, 5 ') comprises a first section (5A, 5'A) parallel to the first axis (AA4) disposed on the side of said control (4) and extended on the side of the movable contact (1B) of the interrupting chamber by a second section (5B, 5'B) inclined in the opposite direction to the movable contact (2B) of the vacuum interrupter itself extended by a third section (5C, 5 'C) parallel to the first axis (AA') on the side of the movable contact (2B) of the breaking chamber, the latter section being extended by a fourth section (5D, 5'D ) inclined towards the moving contact (2B) of the vacuum bulb itself extended by a fifth section (5 E, 5'E) parallel to the first axis (AA ') on the side of the moving contact (1B) of the chamber cut. Disjoncteur selon la revendication 7, caractérisé en ce que ledit cinquième tronçon (5 E, 5'E) est de longueur supérieure à la distance entre les contacts de la chambre de coupure (1) en fonction disjoncteur et en position ouverte.Circuit breaker according to Claim 7, characterized in that the said fifth section (5 E, 5'E) is longer than the distance between the contacts of the interrupting chamber (1) in the circuit-breaker function and in the open position. Disjoncteur selon les revendications 3 et 8, caractérisé en ce que ledit agencement de mise à la terre est entraíné par une bielle (7) dont un élément solidaire (7A) est disposé dans ladite glissière ou sur la surface de roulement de ladite came, la translation de cette bielle (7) lors du passage de cet élément solidaire (7A) dans le deuxième tronçon (5,A, 5'A) assurant le déplacement d'un contact (8) relié électriquement à ladite ampoule à vide (2) dans un organe de contact (9) relié à la terre. Circuit breaker according to claims 3 and 8, characterized in that said grounding arrangement is driven by a connecting rod (7) of which a fixed element (7A) is disposed in said slideway or on the running surface of said cam, the translation of this rod (7) during the passage of this integral element (7A) in the second section (5, A, 5'A) ensuring the displacement of a contact (8) electrically connected to said vacuum bulb (2) in a contact member (9) connected to the earth. Disjoncteur selon les revendication 3 et 8, caractérisé en ce que ledit agencement de mise à la terre est constitué d'un contact (8') disposé à l'extrémité de l'agencement longitudinal d'entraínement du côté de la commande (4) et venant dans un organe (9') de contact relié à la terre en fin de course d'ouverture du contact mobile (1B) de la chambre de coupure.Circuit breaker according to Claim 3 and 8, characterized in that the said grounding arrangement consists of a contact (8 ') arranged at the end of the longitudinal drive arrangement on the control (4) side. and coming into a contact member (9 ') connected to the earth at the end of the opening stroke of the moving contact (1B) of the breaking chamber. Disjoncteur selon l'une des revendications précédentes, caractérisé en ce qu'un agencement à ressort mécanique (13) de pression en fermeture (12) est disposé sensiblement selon le second axe (B-B').Circuit breaker according to one of the preceding claims, characterized in that a mechanical spring arrangement (13) of closing pressure (12) is arranged substantially along the second axis (B-B '). Disjoncteur selon la revendication 11, caractérisé en ce que ressort (13) dudit agencement de pression en fermeture est disposé à l'extérieur d'un carter qui renferme ledit agencement longitudinal d'entraínement.Circuit breaker according to claim 11, characterized in that the spring (13) of said closing pressure arrangement is arranged outside a housing which encloses said longitudinal drive arrangement. Disjoncteur selon l'une des revendications précédentes, caractérisé en ce qu'il est sous enveloppe métallique mise à la terre.Circuit breaker according to one of the preceding claims, characterized in that it is in a metal enclosure grounded. Disjoncteur selon la revendication 9 ou 10 et 13, caractérisé en ce que ledit organe de contact relié à la terre est un contact en tulipe (8, 8') monté sur ladite enveloppe.Circuit breaker according to claim 9 or 10 and 13, characterized in that said contact member connected to earth is a tulip contact (8, 8 ') mounted on said envelope.
EP05102320A 2004-03-25 2005-03-23 Hybrid high voltage circuit breaker Not-in-force EP1583124B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0450588 2004-03-25
FR0450588A FR2868199B1 (en) 2004-03-25 2004-03-25 HIGH VOLTAGE HYBRID CIRCUIT BREAKER.

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EP1583124A1 true EP1583124A1 (en) 2005-10-05
EP1583124B1 EP1583124B1 (en) 2010-06-30

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US (1) US7199324B2 (en)
EP (1) EP1583124B1 (en)
AT (1) ATE472817T1 (en)
DE (1) DE602005022007D1 (en)
FR (1) FR2868199B1 (en)

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EP1653491A2 (en) * 2004-10-27 2006-05-03 Areva T&D SA Drive kinematics for a hybrid circuit breaker
FR2896336A1 (en) * 2006-01-17 2007-07-20 Areva T & D Sa Alternator circuit breaker for use in power house, has three switches with pairs of contacts, each moving relative to other contact of contact pair along respective axes, where one axis is secant to another axis
DE102006056656A1 (en) * 2006-11-29 2008-06-12 Areva Sachsenwerk Gmbh Switch module for medium voltage electrical switchgear, has metallic housing, which has cylindrical base body with longitudinal axis and right angled outlet, that sticks out from base body
US7718913B2 (en) 2006-06-23 2010-05-18 Areva T&D Sa Actuation by cylindrical CAM of a circuit-breaker for an alternator
US9269514B2 (en) 2011-12-21 2016-02-23 Alstom Technology Ltd. Device for protection against particles generated by an electric switching arc
US9443666B2 (en) 2012-10-02 2016-09-13 Alstom Technology Ltd. Electrical contact device of the contact finger type with a strong nominal current

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FR2868197B1 (en) * 2004-03-25 2006-05-19 Areva T & D Sa CONTROL DEVICE FOR THE COORDINATED ACTUATION OF AT LEAST TWO SWITCHING APPARATUSES WHICH IS CUT-OFF IN THE VACUUM
FR2906642B1 (en) * 2006-09-29 2008-12-19 Areva T & D Sa CYLINDRICAL CAM ACTUATION OF THE CONTACTS OF A DOUBLE MOVEMENT CUTTING CHAMBER.
EP2341516B1 (en) * 2009-12-29 2013-11-27 ABB Technology AG Medium voltage circuit breaker.
FR2957450B1 (en) * 2010-03-09 2012-04-20 Areva T & D Sas HYBRID CIRCUIT BREAKER USING A CLOSED RETURN SWITCH
US9054530B2 (en) 2013-04-25 2015-06-09 General Atomics Pulsed interrupter and method of operation
JP6219105B2 (en) * 2013-09-20 2017-10-25 株式会社東芝 Switch
DE102015204668A1 (en) * 2015-03-16 2016-09-22 Siemens Aktiengesellschaft Switching device with a first switching device and a separately encapsulated second switching device
EP3076420B1 (en) * 2015-03-31 2017-10-04 General Electric Technology GmbH Quick earth connection with breaking capacity for a station under a metal shell

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Publication number Priority date Publication date Assignee Title
US7426100B2 (en) 2004-10-27 2008-09-16 Areva T&D Sa Drive kinematics in a hybrid circuit-breaker
EP1653491A2 (en) * 2004-10-27 2006-05-03 Areva T&D SA Drive kinematics for a hybrid circuit breaker
EP1653491A3 (en) * 2004-10-27 2007-08-15 Areva T&D SA Drive kinematics for a hybrid circuit breaker
US8081407B2 (en) 2006-01-17 2011-12-20 Areva T&D Sa Compact disconnector circuit-breaker for an alternator
WO2007110251A1 (en) * 2006-01-17 2007-10-04 Areva T & D Sa Alternator circuit-breaker disconnecting switch of compact structure
FR2896336A1 (en) * 2006-01-17 2007-07-20 Areva T & D Sa Alternator circuit breaker for use in power house, has three switches with pairs of contacts, each moving relative to other contact of contact pair along respective axes, where one axis is secant to another axis
CN101375360B (en) * 2006-01-17 2012-07-18 阿雷瓦T&D股份有限公司 Alternator circuit-breaker disconnecting switch of compact structure
US7718913B2 (en) 2006-06-23 2010-05-18 Areva T&D Sa Actuation by cylindrical CAM of a circuit-breaker for an alternator
DE102006056656A1 (en) * 2006-11-29 2008-06-12 Areva Sachsenwerk Gmbh Switch module for medium voltage electrical switchgear, has metallic housing, which has cylindrical base body with longitudinal axis and right angled outlet, that sticks out from base body
EP2026431A2 (en) 2006-11-29 2009-02-18 AREVA Energietechnik GmbH Switch module for an electrical switch device
EP2026431A3 (en) * 2006-11-29 2009-06-24 AREVA Energietechnik GmbH Switch module for an electrical switch device
US9269514B2 (en) 2011-12-21 2016-02-23 Alstom Technology Ltd. Device for protection against particles generated by an electric switching arc
US9443666B2 (en) 2012-10-02 2016-09-13 Alstom Technology Ltd. Electrical contact device of the contact finger type with a strong nominal current

Also Published As

Publication number Publication date
FR2868199B1 (en) 2006-05-19
ATE472817T1 (en) 2010-07-15
FR2868199A1 (en) 2005-09-30
US20050211675A1 (en) 2005-09-29
US7199324B2 (en) 2007-04-03
EP1583124B1 (en) 2010-06-30
DE602005022007D1 (en) 2010-08-12

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