EP1056104A1 - High-speed control device for a high voltage connection apparatus, in particular a grounding disconnector - Google Patents

High-speed control device for a high voltage connection apparatus, in particular a grounding disconnector Download PDF

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Publication number
EP1056104A1
EP1056104A1 EP00401498A EP00401498A EP1056104A1 EP 1056104 A1 EP1056104 A1 EP 1056104A1 EP 00401498 A EP00401498 A EP 00401498A EP 00401498 A EP00401498 A EP 00401498A EP 1056104 A1 EP1056104 A1 EP 1056104A1
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EP
European Patent Office
Prior art keywords
spring
movable contact
link
integral
occupies
Prior art date
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Granted
Application number
EP00401498A
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German (de)
French (fr)
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EP1056104B1 (en
Inventor
Carmelo Gimeno
Max Hauri
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Grid Solutions SAS
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Alstom SA
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Publication of EP1056104A1 publication Critical patent/EP1056104A1/en
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Publication of EP1056104B1 publication Critical patent/EP1056104B1/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/36—Driving mechanisms, i.e. for transmitting driving force to the contacts using belt, chain, or cord
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
    • H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper

Definitions

  • the present invention relates to a rapid control device for a high voltage connection device, in particular an earthing switch, equipped with a movable contact comprising an energy storage spring mechanical, a mechanism for arming this spring comprising a motor electric arranged to drive at least one rotary part arranged to occupy two stable positions corresponding respectively to the armed spring and to the disarmed spring, this arming mechanism being provided with a link coupled to a mechanism for controlling a movable contact, this link being associated with a brake damping device acting as a stop for said rod in the positions it occupies when said rotary part occupies said two stable positions.
  • a device of this type is known from the published French patent application under the number 2 766 961.
  • a single shock absorber consisting for example a rubber stop housed in a cylindrical sleeve and rigidly mounted in the device housing, cooperates with a link coupled to the control mechanism of a movable contact to stop this rod in its two stable positions and to absorb the shocks which result.
  • the object of the present invention is to overcome the drawbacks of the art by making a device for which the damping of the link coupled to the mobile contact control mechanism is carried out efficiently and economically satisfactory.
  • a device as described in the preamble characterized in that said brake damping device comprises at least one damper hydraulic mounted on a fixed support secured to the device housing by through a spring organ.
  • This spring organ has the function of contribute to the absorption of the shocks received during the arrival of the stop said link. Therefore, the fixing of the shock absorber itself and the stability of its mounting on its support inside the housing of the device are made safe and reliable.
  • said spring member comprises at least a stack of Belleville washers.
  • Such a known spring member is particularly robust while being economical.
  • said brake damping device has two hydraulic shock absorbers arranged in parallel and arranged to operate respectively as a stop for said link when the latter occupies its positions corresponding to the two stable positions of said rotating part.
  • This type of standard commercial shock absorbers is particularly economical and resistant, which meets the requirements required.
  • said mechanism for actuating a movable contact comprises a pivoting lever articulated on said link, this lever pivoting being integral with a control axis of said movable contact and carrying two support protrusions arranged to cooperate respectively with two piston rods of the two hydraulic shock absorbers.
  • Said protuberances are preferably arranged on an arm integral with the control axis of said movable contact.
  • said arm carrying said protrusions is advantageously mounted symmetrically with respect to the control axis of said mobile contact.
  • the device 10 quick control for high voltage connection device, and in particular for an earthing switch, equipped with a movable contact, such as shown, includes a spring 11 for accumulating mechanical energy, a arming mechanism 12 of this spring comprising an electric motor arranged to drive at least one rotary part 13 arranged to occupy two stable positions corresponding respectively to the armed spring and the disarmed spring, this arming mechanism 12 being provided with a rod 14 coupled to an actuating mechanism 15 of a movable contact.
  • the rod 14 is associated with a brake damping device 16 acting as a stop for said link in the positions it occupies when said piece rotary 13 occupies said two stable positions.
  • the damping device brake 16 comprises at least one hydraulic damper 17, respectively 18, mounted on a fixed support integral with the housing of the device via of a spring member 19, respectively 20.
  • the spring 11 housed in a cylindrical sleeve 11a, including the movable bottom 11b coupled to a chain 11c connected by a rod 11d to a part 12a which is articulated on said rotary part 13, is described in detail, as well as all associated components, in the publication mentioned above and illustrating prior art.
  • the actuating mechanism 15, associated with the link 14, comprises a lever 15a which is pivotally mounted on the control axis 15b of said movable contact (not shown).
  • This lever is articulated at a point 15c on the link 14.
  • It also includes an arm 15d, integral with this lever or rigidly fixed to the control axis 15b, this arm being mounted symmetrically with respect to the axis 15b and carrying at its ends two support protrusions 15e and 15f.
  • the support protrusions 15e and 15f are arranged to cooperate respectively with the piston rods of two hydraulic shock absorbers 17 and 18 of the brake damping device 16.
  • a hydraulic damper 17 or 18 of the brake damper device 16 is represented by FIG. 2. It comprises a threaded body 21 of cylindrical shape screwed into a cylindrical socket 22, surmounted by the spring member 20, consisting of a stack of Belleville washers.
  • the cylindrical socket 22 is engaged in a bore 23 of a support 24 in the form of a bracket, secured to the device housing by a pin 25 or any other suitable fixing means.
  • a nut 26 makes the threaded body 21 of the shock absorber integral with the cylindrical sleeve 22.
  • a double nut 27 blocks the stack of Belleville washers against the bush 22 and in abutment the support 24.
  • a piston rod 28, extending axially from the body of the damper is arranged to cooperate with the protrusion 15f.
  • the present invention is not limited to the embodiment described, but may undergo various variations or modifications obvious to a person job.

Abstract

The fast acting earthing unit (10) has a spring (11) and armament mechanism (12) with electrical motor engaging a rotating section (13). The arming mechanism has a rod (14) coupled to an action mechanism (15). The rod has a damper mechanism (16) with hydraulic damper (17,18) mounted on the solid box support by a spring unit (19,20).

Description

La présente invention concerne un dispositif de commande rapide pour un appareil de connexion à haute tension, notamment un sectionneur de terre, équipé d'un contact mobile comportant un ressort d'accumulation d'énergie mécanique, un mécanisme d'armement de ce ressort comprenant un moteur électrique agencé pour entraíner au moins une pièce rotative agencée pour occuper deux positions stables correspondant respectivement au ressort armé et au ressort désarmé, ce mécanisme d'armement étant pourvu d'une biellette couplée à un mécanisme de commande d'un contact mobile, cette biellette étant associée à un dispositif amortisseur frein agissant comme une butée pour ladite biellette dans les positions qu'elle occupe lorsque ladite pièce rotative occupe lesdites deux positions stables.The present invention relates to a rapid control device for a high voltage connection device, in particular an earthing switch, equipped with a movable contact comprising an energy storage spring mechanical, a mechanism for arming this spring comprising a motor electric arranged to drive at least one rotary part arranged to occupy two stable positions corresponding respectively to the armed spring and to the disarmed spring, this arming mechanism being provided with a link coupled to a mechanism for controlling a movable contact, this link being associated with a brake damping device acting as a stop for said rod in the positions it occupies when said rotary part occupies said two stable positions.

Un dispositif de ce type est connu par la demande de brevet français publiée sous le numéro 2 766 961. Sur ce dispositif un amortisseur unique, constitué par exemple d'une butée en caoutchouc logée dans une douille cylindrique et montée rigidement dans le boítier du dispositif, coopère avec une biellette couplée au mécanisme de commande d'un contact mobile pour arrêter cette biellette dans ses deux positions stables et pour amortir les chocs qui en résultent.A device of this type is known from the published French patent application under the number 2 766 961. On this device a single shock absorber, consisting for example a rubber stop housed in a cylindrical sleeve and rigidly mounted in the device housing, cooperates with a link coupled to the control mechanism of a movable contact to stop this rod in its two stable positions and to absorb the shocks which result.

Ce dispositif ne donne pas entière satisfaction en ce qui concerne l'amortisseur qui subit des chocs violents en absorbant brutalement les décélérations de la biellette.This device is not entirely satisfactory with regard to the shock absorber who is subjected to violent shocks by brutally absorbing the decelerations of the link.

Le but de la présente invention est de pallier les inconvénients de l'art antérieur en réalisant un dispositif pour lequel l'amortissement de la biellette couplée au mécanisme de commande du contact mobile s'effectue de manière efficace et économiquement satisfaisante. The object of the present invention is to overcome the drawbacks of the art by making a device for which the damping of the link coupled to the mobile contact control mechanism is carried out efficiently and economically satisfactory.

Ce but est atteint par un dispositif tel que décrit en préambule, caractérisé en ce que ledit dispositif amortisseur frein comporte au moins un amortisseur hydraulique monté sur un support fixe solidaire du boítier du dispositif par l'intermédiaire d'un organe ressort. Cet organe ressort a pour fonction de contribuer à l'amortissement des chocs encaissés lors de l'arrivée en butée de ladite biellette. De ce fait, la fixation de l'amortisseur proprement dit et la stabilité de son montage sur son support à l'intérieur du boítier du dispositif sont rendus sûrs et fiables.This object is achieved by a device as described in the preamble, characterized in that said brake damping device comprises at least one damper hydraulic mounted on a fixed support secured to the device housing by through a spring organ. This spring organ has the function of contribute to the absorption of the shocks received during the arrival of the stop said link. Therefore, the fixing of the shock absorber itself and the stability of its mounting on its support inside the housing of the device are made safe and reliable.

Selon un mode de réalisation préféré, ledit organe ressort comporte au moins un empilement de rondelles de Belleville. Un tel organe ressort connu est particulièrement robuste tout en étant économique.According to a preferred embodiment, said spring member comprises at least a stack of Belleville washers. Such a known spring member is particularly robust while being economical.

Selon un mode de réalisation avantageux, ledit dispositif amortisseur frein comporte deux amortisseurs hydrauliques disposés parallèlement et agencés pour opérer respectivement comme butée pour ladite biellette lorsque celle-ci occupe ses positions correspondant aux deux positions stables de ladite pièce rotative. Ce type d'amortisseurs standards du commerce est particulièrement économique et résistant, ce qui correspond aux exigences requises.According to an advantageous embodiment, said brake damping device has two hydraulic shock absorbers arranged in parallel and arranged to operate respectively as a stop for said link when the latter occupies its positions corresponding to the two stable positions of said rotating part. This type of standard commercial shock absorbers is particularly economical and resistant, which meets the requirements required.

Selon une forme de réalisation préférée, ledit mécanisme d'actionnement d'un contact mobile comporte un levier pivotant articulé sur ladite biellette, ce levier pivotant étant solidaire d'un axe de commande dudit contact mobile et portant deux protubérances d'appui agencées pour coopérer respectivement avec deux tiges de piston des deux amortisseurs hydrauliques.According to a preferred embodiment, said mechanism for actuating a movable contact comprises a pivoting lever articulated on said link, this lever pivoting being integral with a control axis of said movable contact and carrying two support protrusions arranged to cooperate respectively with two piston rods of the two hydraulic shock absorbers.

Lesdites protubérances sont de préférence disposées sur un bras solidaire de l'axe de commande dudit contact mobile. Said protuberances are preferably arranged on an arm integral with the control axis of said movable contact.

De façon avantageuse, ledit bras portant lesdites protubérances est avantageusement monté symétriquement par rapport à l'axe de commande dudit contact mobile.Advantageously, said arm carrying said protrusions is advantageously mounted symmetrically with respect to the control axis of said mobile contact.

La présente invention et ses avantages seront mieux compris en référence à la description d'une forme de réalisation préférée du dispositif selon l'invention et aux dessins annexés, donnés à titre d'exemple non limitatif, dans lesquels :

  • la figure 1 est une vue en coupe illustrant les principaux composants du dispositif selon l'invention, et
  • la figure 2 est une vue en coupe axiale d'un amortisseur monté dans le dispositif de l'invention.
The present invention and its advantages will be better understood with reference to the description of a preferred embodiment of the device according to the invention and to the accompanying drawings, given by way of nonlimiting example, in which:
  • FIG. 1 is a sectional view illustrating the main components of the device according to the invention, and
  • Figure 2 is an axial sectional view of a damper mounted in the device of the invention.

En référence aux figures, et plus particulièrement à la figure 1, le dispositif 10 de commande rapide pour appareil de connexion à haute tension, et notamment pour un sectionneur de terre, équipé d'un contact mobile, tel que représenté, comporte un ressort 11 d'accumulation d'énergie mécanique, un mécanisme d'armement 12 de ce ressort comprenant un moteur électrique agencé pour entraíner au moins une pièce rotative 13 agencée pour occuper deux positions stables correspondant respectivement au ressort armé et au ressort désarmé, ce mécanisme d'armement 12 étant pourvu d'une biellette 14 couplée à un mécanisme d'actionnement 15 d'un contact mobile. La biellette 14 est associée à un dispositif amortisseur frein 16 agissant comme une butée pour ladite biellette dans les positions qu'elle occupe lorsque ladite pièce rotative 13 occupe lesdites deux positions stables. Le dispositif amortisseur frein 16 comporte au moins un amortisseur hydraulique 17, respectivement 18, monté sur un support fixe solidaire du boítier du dispositif par l'intermédiaire d'un organe ressort 19, respectivement 20.With reference to the figures, and more particularly to FIG. 1, the device 10 quick control for high voltage connection device, and in particular for an earthing switch, equipped with a movable contact, such as shown, includes a spring 11 for accumulating mechanical energy, a arming mechanism 12 of this spring comprising an electric motor arranged to drive at least one rotary part 13 arranged to occupy two stable positions corresponding respectively to the armed spring and the disarmed spring, this arming mechanism 12 being provided with a rod 14 coupled to an actuating mechanism 15 of a movable contact. The rod 14 is associated with a brake damping device 16 acting as a stop for said link in the positions it occupies when said piece rotary 13 occupies said two stable positions. The damping device brake 16 comprises at least one hydraulic damper 17, respectively 18, mounted on a fixed support integral with the housing of the device via of a spring member 19, respectively 20.

Le ressort 11 logé dans une douille cylindrique 11a, dont le fond mobile 11b couplé à une chaíne 11c reliée par une tige 11d à une pièce 12a qui est articulée sur ladite pièce rotative 13, est décrite en détail, ainsi que tous les composants associés, dans la publication mentionnée ci-dessus et illustrant l'art antérieur.The spring 11 housed in a cylindrical sleeve 11a, including the movable bottom 11b coupled to a chain 11c connected by a rod 11d to a part 12a which is articulated on said rotary part 13, is described in detail, as well as all associated components, in the publication mentioned above and illustrating prior art.

Le mécanisme d'actionnement 15, associé à la biellette 14, comporte un levier 15a qui est monté pivotant sur l'axe de commande 15b dudit contact mobile (non représenté). Ce levier est articulé en un point 15c sur la biellette 14. Il comporte par ailleurs un bras 15d, solidaire de ce levier ou rigidement fixé sur l'axe de commande 15b, ce bras étant monté symétriquement par rapport à l'axe 15b et portant à ses extrémités deux protubérances d'appui 15e et 15f. Les protubérances d'appui 15e et 15f sont agencées pour coopérer respectivement avec les tiges de piston de deux amortisseurs hydrauliques 17 et 18 du dispositif amortisseur frein16.The actuating mechanism 15, associated with the link 14, comprises a lever 15a which is pivotally mounted on the control axis 15b of said movable contact (not shown). This lever is articulated at a point 15c on the link 14. It also includes an arm 15d, integral with this lever or rigidly fixed to the control axis 15b, this arm being mounted symmetrically with respect to the axis 15b and carrying at its ends two support protrusions 15e and 15f. The support protrusions 15e and 15f are arranged to cooperate respectively with the piston rods of two hydraulic shock absorbers 17 and 18 of the brake damping device 16.

Un amortisseur hydraulique 17 ou 18 du dispositif amortisseur frein 16 est représenté par la figure 2. Il comporte un corps fileté 21 de forme cylindrique vissé dans une douille cylindrique 22, surmonté par l'organe ressort 20, constitué d'un empilement de rondelles de Belleville. La douille cylindrique 22 est engagée dans un alésage 23 d'un support 24 en forme de potence, rendue solidaire du boítier du dispositif par une goupille 25 ou tout autre moyen de fixation approprié. Un écrou 26 rend le corps fileté 21 de l'amortisseur solidaire de la douille cylindrique 22. Un double écrou 27 bloque l'empilement de rondelles de Belleville contre la douille 22 et en appui contre le support 24. Une tige de piston 28, sortant axialement du corps de l'amortisseur, est agencée pour coopérer avec la protubérance 15f.A hydraulic damper 17 or 18 of the brake damper device 16 is represented by FIG. 2. It comprises a threaded body 21 of cylindrical shape screwed into a cylindrical socket 22, surmounted by the spring member 20, consisting of a stack of Belleville washers. The cylindrical socket 22 is engaged in a bore 23 of a support 24 in the form of a bracket, secured to the device housing by a pin 25 or any other suitable fixing means. A nut 26 makes the threaded body 21 of the shock absorber integral with the cylindrical sleeve 22. A double nut 27 blocks the stack of Belleville washers against the bush 22 and in abutment the support 24. A piston rod 28, extending axially from the body of the damper is arranged to cooperate with the protrusion 15f.

Grâce à ce montage, les chocs dus à la mise en contact brutal des protubérances 15e et 15f avec les tiges de piston des amortisseurs hydrauliques 17 et 18, sont doublement amortis, une première fois par les rondelles de Belleville et une deuxième fois par les pistons des amortisseurs hydrauliques eux-mêmes. Thanks to this arrangement, the shocks due to the brutal contacting of protrusions 15e and 15f with the piston rods of the shock absorbers 17 and 18, are doubly damped, for the first time by the Belleville washers and a second time by the damper pistons hydraulic themselves.

La présente invention n'est pas limitée à la forme de réalisation décrite, mais peut subir diverses variantes ou modifications évidentes pour l'homme du métier.The present invention is not limited to the embodiment described, but may undergo various variations or modifications obvious to a person job.

Claims (6)

Dispositif (10) de commande rapide pour un appareil de connexion à haute tension, notamment un sectionneur de terre, équipé d'un contact mobile comportant un ressort (11) d'accumulation d'énergie mécanique, un mécanisme d'armement (12) de ce ressort comprenant un moteur électrique agencé pour entraíner au moins une pièce rotative (13) agencée pour occuper deux positions stables correspondant respectivement au ressort armé et au ressort désarmé, ce mécanisme d'armement étant pourvu d'une biellette (14) couplée à un mécanisme d'actionnement (15) d'un contact mobile, cette biellette étant associée à un dispositif amortisseur frein (16) agissant comme une butée pour ladite biellette dans les positions qu'elle occupe lorsque ladite pièce rotative occupe lesdites deux positions stables, caractérisé en ce que ledit dispositif amortisseur frein (16) comporte au moins un amortisseur hydraulique (17, 18) monté sur un support fixe solidaire du boítier du dispositif par l'intermédiaire d'un organe ressort (19, 20).Quick control device (10) for an apparatus for connection to high voltage, in particular an earthing switch, fitted with a movable contact comprising a mechanical energy storage spring (11), a arming mechanism (12) of this spring comprising an electric motor arranged to drive at least one rotary part (13) arranged to occupy two stable positions corresponding respectively to the armed spring and the disarmed spring, this arming mechanism being provided with a link (14) coupled to an actuating mechanism (15) of a movable contact, this connecting rod being associated with a brake damping device (16) acting as a stop for said link in the positions it occupies when said rotary part occupies said two stable positions, characterized in that said brake damping device (16) comprises at least one damper hydraulic (17, 18) mounted on a fixed support integral with the device housing by means of a spring member (19, 20). Dispositif selon la revendication 1, caractérisé en ce que ledit organe ressort (19, 20) comporte au moins un empilement de rondelles de Belleville.Device according to claim 1, characterized in that said member spring (19, 20) comprises at least one stack of Belleville washers. Dispositif selon la revendication 1, caractérisé en ce que ledit dispositif amortisseur frein (16) comporte deux amortisseurs hydrauliques (17, 18) disposés parallèlement et agencés pour opérer respectivement comme butée pour ladite biellette (14) lorsque celle-ci occupe ses positions correspondant aux deux positions stables de ladite pièce rotative (13).Device according to claim 1, characterized in that said device brake damper (16) has two hydraulic dampers (17, 18) arranged in parallel and arranged to operate respectively as a stop for said link (14) when the latter occupies its corresponding positions at the two stable positions of said rotary part (13). Dispositif selon la revendication 3, caractérisé en ce que ledit mécanisme d'actionnement (15) d'un contact mobile comporte un levier pivotant (15a) articulé sur ladite biellette (14), ce levier pivotant étant solidaire d'un axe de commande (15b) dudit contact mobile et portant deux protubérances d'appui (15e et 15f) agencées pour coopérer respectivement avec les tiges de piston (28) des deux amortisseurs hydrauliques (17, 18). Device according to claim 3, characterized in that said actuating mechanism (15) of a movable contact comprises a lever pivoting (15a) articulated on said link (14), this pivoting lever being integral a control pin (15b) of said movable contact and carrying two support protrusions (15e and 15f) arranged to cooperate respectively with the piston rods (28) of the two hydraulic shock absorbers (17, 18). Dispositif selon la revendication 4, caractérisé en ce que lesdites protubérances (15e, 15f) sont disposées sur un bras (15d) solidaire de l'axe de commande (15b) dudit contact mobile.Device according to claim 4, characterized in that said protrusions (15e, 15f) are arranged on an arm (15d) integral with the axis of control (15b) of said movable contact. Dispositif selon la revendication 5, caractérisé en ce que ledit bras (15d) portant lesdites protubérances (15e, 15f) est monté symétriquement par rapport à l'axe de commande (15b) dudit contact mobile.Device according to claim 5, characterized in that said arm (15d) carrying said protuberances (15th, 15f) is mounted symmetrically with respect to to the control axis (15b) of said movable contact.
EP00401498A 1999-05-28 2000-05-16 High-speed control device for a high voltage connection apparatus, in particular a grounding disconnector Expired - Lifetime EP1056104B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9907114 1999-05-28
FR9907114A FR2794278B1 (en) 1999-05-28 1999-05-28 QUICK CONTROL DEVICE FOR A HIGH VOLTAGE CONNECTION APPARATUS, IN PARTICULAR AN EARTH ISOLATOR

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Publication Number Publication Date
EP1056104A1 true EP1056104A1 (en) 2000-11-29
EP1056104B1 EP1056104B1 (en) 2006-07-19

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US (1) US6355898B1 (en)
EP (1) EP1056104B1 (en)
JP (1) JP2000353459A (en)
AT (1) ATE333704T1 (en)
CA (1) CA2309794A1 (en)
DE (1) DE60029386T2 (en)
FR (1) FR2794278B1 (en)

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FR2907596B1 (en) * 2006-10-18 2009-01-23 Areva T & D Sa DEVICE FOR CONTROLLING AN ELECTRICAL EQUIPMENT
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CN103441016A (en) * 2013-08-30 2013-12-11 石家庄八五零电子有限公司 Power type microswitch
CN103441016B (en) * 2013-08-30 2015-09-09 石家庄八五零电子有限公司 A kind of power type microswitch

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CA2309794A1 (en) 2000-11-28
ATE333704T1 (en) 2006-08-15
JP2000353459A (en) 2000-12-19
FR2794278B1 (en) 2001-08-10
DE60029386T2 (en) 2007-07-12
FR2794278A1 (en) 2000-12-01
US6355898B1 (en) 2002-03-12
DE60029386D1 (en) 2006-08-31
EP1056104B1 (en) 2006-07-19

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