EP0152583B1 - Interrupteur à haute tension - Google Patents

Interrupteur à haute tension Download PDF

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Publication number
EP0152583B1
EP0152583B1 EP84115216A EP84115216A EP0152583B1 EP 0152583 B1 EP0152583 B1 EP 0152583B1 EP 84115216 A EP84115216 A EP 84115216A EP 84115216 A EP84115216 A EP 84115216A EP 0152583 B1 EP0152583 B1 EP 0152583B1
Authority
EP
European Patent Office
Prior art keywords
switching point
housing
contact member
main switching
guide
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.)
Expired
Application number
EP84115216A
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German (de)
English (en)
Other versions
EP0152583A2 (fr
EP0152583A3 (en
Inventor
Walter Bischofberger
Heinz Eichholzer
Werner Graber
Jiri Talir
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BBC Brown Boveri AG Switzerland
Original Assignee
BBC Brown Boveri AG Switzerland
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BBC Brown Boveri AG Switzerland filed Critical BBC Brown Boveri AG Switzerland
Publication of EP0152583A2 publication Critical patent/EP0152583A2/fr
Publication of EP0152583A3 publication Critical patent/EP0152583A3/de
Application granted granted Critical
Publication of EP0152583B1 publication Critical patent/EP0152583B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—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
    • 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
    • H01H33/16—Impedances connected with contacts
    • H01H33/166—Impedances connected with contacts the impedance being inserted only while closing the switch
    • 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
    • H01H2033/146—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc using capacitors, e.g. for the voltage division over the different switches

Definitions

  • the invention relates to a high-voltage switch according to the preamble of claim 1.
  • Such switches are used to apply high voltage to longer transmission lines.
  • a high-voltage switch according to the preamble of claim 1 is known (EP-A-0 050 826, in particular FIG. 3), in which a series circuit comprising an on-resistance and a secondary switching point is connected in parallel to each main switching point.
  • the object of the invention is to simplify the construction of generic switches and to make them cheaper.
  • the advantages achieved by the invention can be seen above all in the fact that only a single secondary switching point is required.
  • the on-resistance which replaces the two on-resistors of the known generic switch, can also be accommodated in a housing, which can be designed as an inexpensive metal housing, in such a way that the insulation gap required between the two connections thereof lies within the housing. This eliminates the need to produce outer insulation sections and it is possible to save on the insulating material housing required in the known generic switch, each containing an on-resistance and a secondary switching section, which results in a considerable reduction in the cost of the switch.
  • a high-voltage switch according to the invention according to a first and a third design is shown in the off state, which in its basic structure contains two main switching points 1a, b and control capacitors 2a, b as well as an on-resistance 3 and a secondary switching point 4.
  • the main switching points 1a, b and the secondary switching point 4 are actuated by a common drive 5 via a manual transmission 6.
  • the on-resistance 3 and the secondary switching point 4 are parallel to one another between the first main switching point 1a and the second main switching point 1b.
  • Switching points and gearboxes are designed in such a way that when switching on the secondary switching point 4 closes after the main switching points 1a, b, the switch thus passes through the electrical state shown in FIG. 1b, in which the two closed main switching points 1a, 1b are connected via the on-resistance 3 .
  • the switch-on state shown in FIG. 1c is reached, in which the on-resistance 3 is bridged by the secondary switching point 4.
  • the secondary switching point 4 opens after the main switching points 1e, b.
  • the two main switching points 1a, b in series are designed as high-voltage circuit breakers with porcelain housings, as are known, for example, from Brown Boveri Mitteilungen 3/4 (1981), p. 121, the control capacitors 2a, b also have porcelain housings and are arranged parallel to the main switching points 1a, b.
  • the housings of the main switching points 1a. b connect, opposite each other, to a housing 7 filled with SF 6 , which consists of metal, preferably cast aluminum, and which contains the gearbox 6, which is connected to the drive 5, not shown, via a switching rod 8 made of insulating material.
  • the on-resistance 3 is divided into two columns of resistance elements lying in series.
  • the movable contact piece of the first main switching point 1a a and the movable contact piece 9 of the secondary switching point 4 are electrically conductively connected to the housing 7.
  • the on-resistance 3 and the secondary switching point 4 are arranged in the housing 7, via which the electrically conductive connection between the first main switching point 1 a and the on-resistance 3 is also established.
  • the opposite connection of the on-resistance 3 connected to the housing 7 is connected on the one hand to the fixed switching element 10 of the secondary switching point 4 and on the other hand via a connecting conductor 11 to the movable switching element which is insulated from the housing 7, i. H. with the same only indirectly, via the switch-on resistor 3 and - if it is closed - the secondary switching point 4, connected second main switching point 1 b electrically connected.
  • the manual transmission 6 contains two bellcranks 12a, b, which are articulated opposite one another laterally on the selector rod 8 on the housing 7. They are connected on the one hand via lifting rods 13a, b with a piston 14 fastened to the shift rod 8 and on the other hand via lifting tubes 15a, b, the lifting tube 15b consisting essentially of insulating material, in each case non-positively connected to the movable switching element of the corresponding main switching point 1 or 1b .
  • the gearbox 6 has a guide rod 16 with, at its end, a plunger 17, rigidly connected to the shift rod 8 and, in the continuation thereof, projecting into the interior of the housing 7, which participates in the actuation of the secondary switching point 4. Furthermore, the gearbox 6 has a sleeve-shaped centrifugal piston 18, which is guided on the guide rod 16 and which is non-positively connected to the deflection legs 12a, b via driver rods 19a, b.
  • the movable switching element 9 of the secondary switching point 4 is attached to a connecting part which is designed as a hollow cylinder 21 which is slipped over the guide rod 16 and guided in a guide ring 20 which is rigidly connected to the housing 7.
  • the hollow cylinder 21 and the guide rod 16 can be displaced relative to one another to a limited extent in the direction of the switching movements, the stop limiting the displaceability of the guide rod 16 relative to the hollow cylinder 21 in the switching-off direction by the back of the plunger 17 and an extension surface 22 facing the inside of the hollow cylinder 21 on one Ring 23, which is attached to the opening end thereof, is formed.
  • the inside of the hollow cylinder 21 is delimited by a stop surface 24 on the switch side.
  • the outside of the ring 23 is a slingshot surface 25, which cooperates with the centrifugal piston 18, formed.
  • the guide ring 20 On the switch-off side, the guide ring 20 has a padded stop 26 which interacts with a part of the ring 23 which projects radially outwards.
  • a tension spring 27 anchored on the guide ring 20 is fastened with its opposite end to the movable switching element 9 of the secondary switching point 4.
  • the fixed contact piece 10 of the secondary switching point 4 has a nominal current contact with ring-shaped contact fingers 28, which are pressed in the switched-on position by means of spring elements 29 against an annular movable nominal current contact 30, which. contact them on its outside.
  • the contact fingers 28 have cams 31 which, together with a circumferential bead 32 on the movable nominal current contact 30, behind which they engage, form a catch which is effective in the switched-on position between the fixed contact piece 10 and the movable contact piece 9 of the secondary switching point 4, and in such a way that the engagement withstands the force exerted by the tension spring 27.
  • the contact fingers 28 coaxially surround, at a distance, a tubular, centrally arranged, fixed erosion contact 33, which interacts with a movable erosion contact 34, which is coaxially surrounded by the movable nominal current contact 30 and at a distance.
  • FIGS. 1a-d. 2a, b, 3-6 explains the function of the switch according to the invention according to the first embodiment.
  • the time is plotted on the abscissa in FIG. 6 and the strokes of the movable switching elements of the main switching sections 1a, b (dash-dotted line) of the centrifugal piston 18 (dashed line) and of the movable switching element 9 of the secondary switching point 4 (solid line) are plotted on the abscissa.
  • the designations 2a, 1, 2a, r, 2b, 1, 2b, r below the abscissa refer to FIGS. 2a, b, left and right halves, which represent the state of the switch at the given time.
  • the brackets below the abscissa with the designations la-ld denote the respective electrical state of the switch, as shown in FIGS. 1a-d.
  • the switch Shortly thereafter, at a point in time C, the switch reaches a state in which the main switching points 1a, b just close and the centrifugal piston 18, which is pulled by the driving rods 19a, b, which in the switched-off position forms an acute angle to the switching rod 8 Income, which has opened further in the course of the switch-on movement, so that the centrifugal piston 18 is now pulled up a relatively large distance on the guide rod 16 even with a small stroke of the shift rod 8, which touches the centrifugal surface 25.
  • the switch assumes the electrical state shown in FIG.
  • the time interval between the closing of the main switching points 1a, b at time C and the closing of the secondary switching point 4 at time D is approximately 8 ms.
  • the design of the gearbox 6 with the centrifugal piston 18 pulled by the drive rods 19a, b enables the movable contact piece 9 of the secondary switching point 4 to remain in the off position during the switching-on process, while the movable contact pieces of the main switching points 1a, b each have a first part between them Go through the switch-off position and its switch-on position and the ge covers the entire distance between its switch-on position and its switch-off position, while the movable switching elements of the main switching points 1a, b each run through the remaining part of the distance between their switch-on position and their switch-off position, ie with a small remaining stroke of the switching rod 8. This means that the maximum distance remains for a long time receive between the switching elements of the secondary switching point 4 and pre-ignition can only start shortly before the same.
  • the switch-off process is initiated by the beginning of the downward movement of the switching rod 8, which at a time F causes the main switching points 1 a, b to open and the arcing of the latter.
  • the control capacitor 2b which together with the control capacitor 2a ensures an even distribution of the voltage between the first main switching point 1a and the second main switching point 1b, is connected in parallel with the secondary switching point 4 via the housing 7 and the secondary switching point to the second main switching point 1b.
  • FIG. 7 shows a high-voltage switch according to the invention in accordance with a second embodiment, the structure and mechanical function of which correspond completely to the high-voltage switch according to the first embodiment already explained, but differ from the latter by a slightly modified circuit principle, shown in FIG. 8 .
  • the turn-on resistor 3 is in turn divided into two columns, which form two equal partial resistors lying in series, namely a first partial resistor 3a and a second partial resistor 3b.
  • the conductor piece connecting the two partial resistors 3a, b is also connected in an electrically conductive manner to the metal housing 7 via a connection piece 35.
  • the first main switching point 1a is connected to the switch-on resistor 3 and to the movable switching element 9 of the secondary switching point 4 via a first connecting conductor 11a and the second main switching point is connected to the switching resistor 3 and the fixed switching element 10 of the secondary switching point 4 via a second connecting conductor 11b.
  • Both main switching points 1a, b are isolated from the housing 7, i. H. connected to it only indirectly, in each case via one of the partial resistors 3a, b.
  • the guide rod 16 and the centrifugal piston 18 and both lifting tubes 15a, b are made of insulating material.
  • the switch according to the invention according to the second embodiment corresponds practically completely to the switch according to the invention according to the first embodiment.
  • the difference is that if the switch is in the intermediate state shown in FIG. 8, which was run through during the switch-on process with closed main switching points 1a, b and open secondary switching point 4, i.e. switched-on resistor 3, the potential of the housing 7 is in the middle between the two potentials present at the opposite ends of the on-resistance 3 since half of the voltage across the on-resistance 3 drops across each of the two partial resistors 3a, b.
  • the fixed switching element 10 of the secondary switching point 4 the second main switching point 1b and the connecting conductor 11b connecting the two need only be insulated from the housing 7 for half the switching voltage.
  • insulation designed for half the switching voltage is sufficient.
  • a high-voltage switch according to the invention is shown according to a third design. It corresponds completely in terms of its basic structure and its electrical principle and also in terms of its mechanical principle essentially to the high-voltage switch according to the first embodiment explained above.
  • the stop limiting the displaceability of the guide cylinder 16 'relative to the connecting rod 21' in the switch-off direction is formed by an extension surface 22 facing the inside of the guide cylinder 16 'on a ring 23 which is attached to the switch-on end thereof and the rear side of the stop piston 17'.
  • a stop surface 24 On the switch-off side, the interior of the guide cylinder 16 'is delimited by a stop surface 24.
  • the movable contact piece 9 of the secondary switching point 4 is designed as a knife contact articulated on the housing 7.
  • a tension spring 27 anchored at one end to the housing 7 is attached to the opposite end thereof.
  • the fixed contact piece 10 of the secondary switching point 4 has a fixed nominal current contact with contact fingers 28 arranged in two opposite rows, which in the switched-on position are pressed laterally by spring elements 29 against the movable nominal current contact 30 formed by a section of the switch-on edge of the movable contact piece 9.
  • the contact fingers 28 have cams 31 which, together with two lateral beads 32a, b on the movable nominal current contact 30, behind which they engage, one in the switched-on position against the force of the tension spring 27 between the fixed switching element 10 and the movable switching element 9 of the secondary switching point 4 form effective detents.
  • a pincer-like fixed erosion contact 33 is arranged, which interacts with a fixed erosion contact 33 arranged in the continuation of the movable rated current contact 30 on the movable contact piece 9, which is designed as a cam attached to the switch-on edge of the movable contact piece 3 .
  • An additional contact 36 which likewise has a double row of contact fingers, ensures a good conductive connection between the housing 7 and the movable contact piece 9 of the secondary switching point 4 in the switched-on position.
  • FIGS. 1a-d, 9a, b, 10-12 The function of the switch according to the invention according to the third embodiment, which is essentially analogous to the already explained function of the switch according to the invention according to the first embodiment, is briefly explained below with reference to FIGS. 1a-d, 9a, b, 10-12.
  • time is plotted on the abscissa in FIG. 10 and the strokes of the movable switching elements of the main switching points 1a, b (dash-dotted line) and of the moving switching element 9 of the secondary switching point 4 (solid line) are plotted on the ordinate.
  • the designations 9a, 9b below the abscissa refer to FIGS. 9a, b each representing the state of the switch reached at the given time.
  • the brackets below the abscissa with the designations 1a-1d again denote the respective electrical state of the switch, as is shown in FIGS. 1a-d.
  • the switch rod 8 is moved upwards from the position in which it is in the switch-off state shown at time A in FIG. 9a, at time B the stop surface 24 of the guide cylinder 16 'touches the stop piston 17' and shortly thereafter for Time C, the main switching points 1a, b close, whereby the switch changes from the one in FIG. 1a to the electrical state shown in FIG. 1b.
  • the upward movement of the movable switching element 9 of the secondary switching point 4, which only started at time B, leads to contact of the two switching elements thereof at time D, whereby the switch assumes the electrical state according to FIG. 1.
  • the movable nominal current contact 30 engages with the contact fingers 28 of the fixed nominal current contact of the secondary switching point 4, the switch-on state shown in FIG. 9b has been reached.
  • the third embodiment has the advantage that the conversion of a small residual stroke of the shift rod 8 into a relatively large switching movement of the movable contact piece 9 thanks to its design as a knife contact by a suitable choice of the articulation point of the same on the housing 7 and of the distances between the same and the articulation point of the connecting rod 16 'on the knife contact on the one hand and between the latter and the movable erosion contact 34 and the movable nominal current contact 30 on the other hand. No centrifugal flask is required.
  • the first and second embodiments possible, however, a more precise guidance of the movable switching element 9. Thanks to its rotationally symmetrical design, the essential parts of the secondary switching point 4 are easier to manufacture.

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Claims (10)

1. Interrupteur à haute tension avec un premier point de commutation principal (1a) et un second point de commutation principal (1b), qui se trouvent en série, avec au moins une résistance d'enclenchement (3) et au moins un point de commutation auxiliaire (4) ainsi qu'un moteur (5) commun aux points de commutation principaux (1a, 1 b) et au point de commutation auxiliaire (4) et un mécanisme de commutation (6) au moyen duquel le moteur (5) actionne les points de commutation (la, 1b, 4), caractérisé en ce qu'au moins une résistance d'enclenchement (3) et le point de commutation auxiliaire (4) sont montés en parallèle l'un par rapport à l'autre entre le premier point de commutation principal (1 a) et le second point de commutation principal (1 b), et en ce que le mécanisme de commutation (6) et les points de commutation (1 a, 1 b, 4) sont constitués de telle façon qu'à l'enclenchement le point de commutation auxiliaire (4) se ferme après les points de commutation principaux (1a, 1b) et qu'au déclenchement il s'ouvre après les points de commutation principaux (1a, 1b).
2. Interrupteur à haute tension suivant la revendication 1, caractérisé en ce que le mécanisme de commutation (6) est constitué de telle façon que, lors d'une opération d'enclenchement, le contact mobile (9) du point de commutation auxiliaire (4) reste en position déclenchée pendant que les contacts mobiles des points de commutation principaux (1a, 1b) parcourent chacun une partie de la distance séparant leur position déclenchée et leur position enclenchée, et parcourent la totalité de la distance séparant sa position enclenchée et sa position déclenchée pendant que les contacts mobiles des points de commutation principaux (ia, 1b) parcourent chacun la partie restante de la distance séparant leur position enclenchée et leur position déclenchée.
3. Interrupteur à haute tension suivant la revendication 1 ou 2, avec un boîtier (7) contenant le mécanisme de commutation (6), boîtier auquel se raccordent les points de commutation principaux (1a, 1b), dans lequel une liaison dynamique est établie entre le moteur (5) et le mécanisme de commutation (6) par l'intermédiaire d'une tringle de commande (8) et où le mécanisme de commutation (6) comprend un premier levier de renvoi (12a) et un second levier de renvoi (12b) qui sont articulés au boîtier (7) l'un en face de l'autre et latéralement par rapport à la tringle de commande (8) et qui sont reliés dynamiquement d'une part à la tringle de commande (8) et d'autre part au contact mobile du premier point de commutation principal (1a), respectivement du second point de commutation principal (1 b), caractérisé en ce que le mécanisme de commutation (6) comporte un organe de guidage rigidement fixé à la tringle de commande (8) et pénétrant dans le prolongement de celle-ci à l'intérieur du boîtier (7) et qui participe à l'actionnement du point de commutation auxiliaire (4).
4. Interrupteur à haute tension suivant les revendications 2 et 3, caractérisé en ce que le contact mobile (9) du point de commutation auxiliaire (4) est relié au moins dynamiquement à une pièce de liaison et en ce que la pièce de liaison et l'organe de guidage peuvent coulisser l'un par rapport à l'autre, dans une mesure limitée, dans la direction des mouvements de commutation.
5. Interrupteur à haute tension suivant la revendication 4, caractérisé en ce que, dans la position d'enclenchement, le contact mobile (9) du point de commutation auxiliaire (4) est attaqué, avec un effort agissant dans le sens du déclenchement, par un ressort de traction (27) ancré au boîtier (7) ou à une pièce rigidement fixée à ce dernier, et est engagé dans une pièce rigidement fixée au boîtier (7) de telle sorte que l'engagement résiste à l'effort exercé par le ressort de traction (27), mais puisse être rompu par l'effort exercé dans le sens du déclenchement par l'organe de guidage pendant l'opération de déclenchement et en ce qu'il est prévu une butée limitant la possibilité de glissement de l'organe de guidage par rapport à la pièce de liaison dans le sens du déclenchement, contre laquelle vient buter l'organe de guidage au cours de son mouvement de déclenchement.
6. Interrupteur à haute tension suivant l'une ou l'autre des revendications 3 à 5, dans lequel le boîtier (7) est constitué de métal et le contact mobile du premier point de commutation principal (1a) et un contact du point de commutation auxiliaire (4) sont électriquement reliés à celui-ci, caractérisé en ce que la résistance d'enclenchement (3) et le point de commutation auxiliaire (4) sont disposés dans le boîtier (7), en ce que la liaison électrique entre le premier point de commutation principal (1a) et la résistance d'enclenchement (3) est établie à travers ce boîtier et en ce que le second point de commutation principal (1 b) ne peut pas être relié électriquement à ce dernier de manière directe.
7. Interrupteur à haute tension suivant l'une ou l'autre des revendications 3 à 5, dans lequel le boîtier (7) est constitué de métal, caractérisé en ce que la résistance d'enclenchement (3) et le point de commutation auxiliaire (4) sont disposés dans le boîtier (7), en ce qu'il est prévu à la résistance d'enclenchement (3) une borne divisant celle-ci en une première résistance partielle (3a) et une seconde résistance partielle (3b), qui sont de préférence de valeur égale, et reliée électriquement au boîtier (7), et en ce que les points de commutation principaux (ia, 1 b) ne peuvent pas être reliés électriquement au boîtier (7) de manière directe.
8. Interrupteur à haute tension suivant l'une ou l'autre des revendications 5 à 7, caractérisé en ce que :
- l'organe de guidage se présente sous la forme d'une tige de guidage (16) avec, à son extrémité, un tampon (17), et la pièce de liaison sous la forme d'un cylindre creux (21) coiffant la tige de guidage (16), lequel porte le contact mobile (9) du point de commutation auxiliaire (4) à son extrémité tournée vers le contact fixe (10) de ce dernier,
- la butée limitant la possibilité de glissement de la tige de guidage (16) par rapport au cylindre creux (21) dans le sens du déclenchement, est formée par la face arrière du tampon (17) et par une face d'extraction (22), tournée vers l'intérieur du cylindre creux (21) et située sur une bague (23) qui est posée à l'extrémité de ce cylindre qui se trouve à l'opposé du contact fixe (10) du point de commutation auxiliaire (4),
- le cylindre creux (21) est guidé dans une bague (20) rigidement fixée au boîtier (7),
- le ressort de traction (27) entoure coaxialement le cylindre creux (21) et est ancré à la bague de guidage (20),
- les doigts de contact (28) du contact fixe (10) du point de commutation auxiliaire (4) disposés en couronne entourent coaxialement à distance un contact d'usure fixe (33) placé en position centrale,
- le contact mobile (9) du point de commutation auxiliaire (4) comporte un contact mobile (30) annulaire à courant nominal qui en position d'enclenchement est en contact avec les doigts de contact (28) et qui entoure coaxialement à distance un contact d'usure mobile (34) placé en position centrale.
9. Interrupteur à haute tension suivant la revendication 8, caractérisé en ce que le mécanisme de commutation (6) présente un piston de propulsion (18) guidé sur la tige de guidage (16) du côté du déclenchement par rapport au cylindre (21), lequel piston est relié dynamiquement à au moins un levier de renvoi (12a, 12b) au moyen d'une barre d'entraînement (19a, 19b) qui en position déclenchée forme un angle aigu avec la tige de guidage (16), son point d'articulation au piston de propulsion (18) étant situé du côté du déclenchement par rapport à son point d'articulation au levier de renvoi (12a, 12b), et qui en position enclenchée forme approximativement un angle droit avec la tige de guidage (16), de telle façon qu'au cours du mouvement d'enclenchement le piston vienne heurter une face de propulsion (25) sur la face arrière de la bague (23) qui est posée à l'extrémité du cylindre creux (21) et qu'il propulse ainsi le cylindre creux (21) dans la position d'enclenchement.
10. Interrupteur à haute tension suivant la revendication 5 ou 6, caractérisé en ce que :
- l'organe de guidage présente une pièce d'extrémité sous la forme d'un cylindre creux (16') et la pièce de liaison se présente sous la forme d'une tige de liaison (21') qui par son extrémité tournée vers le contact fixe (10) du point de commutation auxiliaire (4) est articulée au contact mobile (9) de ce dernier et qui à son autre extrémité porte un piston de butée (17') articulé, qui est guidé dans le cylindre de guidage (16'),
- la butée limitant la possibilité de glissement du cylindre de guidage (16') par rapport à la tige de liaison (21') dans le sens du déclenchement est formée par une face d'extraction (22) tournée vers l'intérieur du cylindre de guidage (16') et située sur une bague (23) qui est posée à l'extrémité de celui-ci tournée vers le contact fixe (10) du point de commutation auxiliaire (4) et par la face arrière du piston de butée (17'),
- les doigts de contact (28) du contact fixe (10) sont disposés en deux rangées se faisant face, dans le prolongement desquelles est disposé un contact d'usure (33) fixe en forme de pince,
- le contact mobile (9) du point de commutation auxiliaire (4) est réalisé sous la forme d'un contact à couteau articulé par une extrémité au boîtier (7), lequel contact est dans la position enclenchée en contact des deux côtés avec les doigts de contact (28), avec un contact d'usure (34) mobile qui est réalisé sous la forme d'un bossage ménagé sur l'arête du contact mobile (9) qui est tournée vers le contact fixe (10) du point de commutation auxiliaire (4).
EP84115216A 1984-02-23 1984-12-12 Interrupteur à haute tension Expired EP0152583B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH88484 1984-02-23
CH884/84 1984-02-23

Publications (3)

Publication Number Publication Date
EP0152583A2 EP0152583A2 (fr) 1985-08-28
EP0152583A3 EP0152583A3 (en) 1986-06-04
EP0152583B1 true EP0152583B1 (fr) 1988-06-15

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EP84115216A Expired EP0152583B1 (fr) 1984-02-23 1984-12-12 Interrupteur à haute tension

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US (1) US4636599A (fr)
EP (1) EP0152583B1 (fr)
DE (2) DE3413962A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674984A1 (fr) * 1991-04-05 1992-10-09 Alsthom Gec Disjoncteur a sf6 a varistance et a condensateur incorpores.
EP0779637A2 (fr) 1995-12-16 1997-06-18 Asea Brown Boveri Ag Disjoncteur avec résistance de fermeture

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1325234C (fr) * 1988-03-28 1993-12-14 Minori Sato Disjoncteur
US5003206A (en) * 1989-09-25 1991-03-26 R. E. Phelon Company, Inc. Integral solenoid and starter motor
DE4336951A1 (de) * 1993-10-29 1995-05-04 Abb Management Ag Hochspannungsschaltgerät
FR2713392B1 (fr) * 1993-11-30 1996-01-05 Gec Alsthom T & D Sa Mécanisme de manÓoeuvre d'un pôle de disjoncteur à deux chambres de coupure en T ou en V et procédé de montage de ce mécanisme.
JPH07320611A (ja) * 1994-05-23 1995-12-08 Hitachi Ltd ガス絶縁開閉装置
CN101728140B (zh) * 2008-10-27 2012-04-18 国网电力科学研究院 一种高压、超高压大电流断路器
US9510895B2 (en) 2010-11-05 2016-12-06 Ethicon Endo-Surgery, Llc Surgical instrument with modular shaft and end effector

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CH346926A (de) * 1956-09-22 1960-06-15 Bbc Brown Boveri & Cie Elektrischer Leistungsschalter mit parallelen Zweigen
DE1064134B (de) * 1958-05-10 1959-08-27 Voigt & Haeffner Ag Druckluftschalter mit einer ungeraden Zahl von Schaltstellen pro Pol
CH360712A (de) * 1958-06-28 1962-03-15 Bbc Brown Boveri & Cie Leistungsschalter mit niederohmigen Widerstand
DE1236052B (de) * 1960-10-26 1967-03-09 Continental Elektro Ind Ag Hochspannungsleistungsschalter mit mehreren in Reihe geschalteten Schaltstellen pro Pol
DE1141357B (de) * 1961-04-28 1962-12-20 Sachsenwerk Licht & Kraft Ag Lasttrennschalter
US3538278A (en) * 1968-06-13 1970-11-03 Gen Electric High voltage electric circuit breaker
DE1902211B2 (de) * 1969-01-17 1972-07-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Hoechstspannungs-leistungsschalter mit einschaltwiderstaenden
FR2272475B1 (fr) * 1974-05-20 1977-10-21 Alsthom Cgee
GB1525229A (en) * 1974-10-01 1978-09-20 Reyrolle Parsons Ltd High-voltage circuit-interrupters
CH579819A5 (fr) * 1974-11-22 1976-09-15 Bbc Brown Boveri & Cie
JPS52155372A (en) * 1976-06-21 1977-12-23 Hitachi Ltd Electromagnetic buffer gas breaker
JPS5769633A (en) * 1980-10-20 1982-04-28 Hitachi Ltd Resistance breakdown gas breaker
JPS5774917A (en) * 1980-10-25 1982-05-11 Tokyo Shibaura Electric Co Breaker with parallel resistor
JPS5840715A (ja) * 1981-09-04 1983-03-09 株式会社東芝 しや断器
US4488021A (en) * 1981-11-12 1984-12-11 Mitsubishi Denki Kabushiki Kaisha Gas insulated disconnector
JPS59125417A (ja) * 1983-01-07 1984-07-19 Mitsubishi Electric Corp 真空スイツチ式負荷時タツプ切換器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674984A1 (fr) * 1991-04-05 1992-10-09 Alsthom Gec Disjoncteur a sf6 a varistance et a condensateur incorpores.
US5235147A (en) * 1991-04-05 1993-08-10 Gec Alsthom Sa Sf6 circuit-breaker incorporating both a varistor and a capacitor
EP0779637A2 (fr) 1995-12-16 1997-06-18 Asea Brown Boveri Ag Disjoncteur avec résistance de fermeture
DE19547098A1 (de) * 1995-12-16 1997-06-19 Asea Brown Boveri Leistungsschalter mit einem Einschaltwiderstand
US5814782A (en) * 1995-12-16 1998-09-29 Asea Brown Boveri Ag Rower circuit-breaker having a closing resistor

Also Published As

Publication number Publication date
EP0152583A2 (fr) 1985-08-28
DE3472182D1 (en) 1988-07-21
EP0152583A3 (en) 1986-06-04
DE3413962A1 (de) 1985-08-29
US4636599A (en) 1987-01-13

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