EP2545573B1 - Hybrid circuit breaker using switch for restoring to a closure - Google Patents
Hybrid circuit breaker using switch for restoring to a closure Download PDFInfo
- Publication number
- EP2545573B1 EP2545573B1 EP11706837.9A EP11706837A EP2545573B1 EP 2545573 B1 EP2545573 B1 EP 2545573B1 EP 11706837 A EP11706837 A EP 11706837A EP 2545573 B1 EP2545573 B1 EP 2545573B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rod
- movable contact
- switch
- control rod
- control
- 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.)
- Not-in-force
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/125—Load break switches comprising a separate circuit breaker
- H01H33/126—Load break switches comprising a separate circuit breaker being operated by the distal end of a sectionalising contact arm
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
L'invention concerne le domaine des disjoncteurs hybrides haute et moyenne tensions utilisant une chambre de coupure et une ampoule à vide dont les contacts mobiles sont actionnés par une commande unique. Elle concerne en particulier une commande mécanique qui permet une ouverture simultanée de la chambre de coupure et de l'ampoule à vide suivie d'une fermeture de l'ampoule à vide anticipée par rapport à la remise en service de la chambre de coupure.The invention relates to the field of high and medium voltage hybrid circuit breakers using a breaking chamber and a vacuum interrupter whose movable contacts are actuated by a single command. It relates in particular to a mechanical control that allows simultaneous opening of the interrupting chamber and the vacuum ampoule followed by a closure of the advance vacuum bulb with respect to the restarting of the interrupting chamber.
Dans ce type de disjoncteurs hybrides, un seul agencement mécanique commande les mouvements des contacts mobiles de chacun des interrupteurs qui suivent leur propre profil de déplacement dans le temps. Ceci permet, entre autre, à l'ampoule à vide d'être protégée lors de l'ouverture de la chambre de coupure.In this type of hybrid circuit breakers, a single mechanical arrangement controls the movements of the moving contacts of each of the switches which follow their own profile of movement in time. This allows, among other things, the vacuum bulb to be protected during the opening of the interrupting chamber.
En référence à la
Plus précisément dans ce type de système, lorsque le mécanisme de commande se déplace le long de l'axe longitudinal A, A' de la chambre de coupure 10, ceci provoque, mis à part le mécanisme d'ouverture de cette chambre de coupure 10, l'ouverture de l'ampoule à vide 20. En effet, sous l'action de la plaque coulissante 154, la tige de commande 23 de l'ampoule à vide se déplace, par l'intermédiaire du galet 155. Une fois que le galet 155 a atteint la rampe d'extrémité 140 de la plaque coulissante 55, parallèle à l'axe longitudinal A, A', la tige de commande 23 de l'ampoule à vide 20 est sollicitée, entre autre par un ressort 138 pour revenir dans une position initiale dans laquelle les contacts fixe 21 et mobile 22 sont remis en contact à l'intérieure de l'ampoule à vide 20. Un autre cycle peut alors être effectué.More precisely in this type of system, when the control mechanism moves along the longitudinal axis A, A 'of the
On signale que, sur cette
Toutefois, ce type de commande mécanique nécessite de nombreux éléments mécaniques fixes et mobiles, ce qui implique de nombreux usinages.However, this type of mechanical control requires many mechanical elements fixed and movable, which involves many machining.
Le but de l'invention est d'éviter ces inconvénients dûs à la complexité du système mécanique et à son coût de fabrication.The object of the invention is to avoid these disadvantages due to the complexity of the mechanical system and its manufacturing cost.
A cet effet, l'objet principal de l'invention est un disjoncteur hybride comprenant :
- un premier interrupteur comprenant lui-même une première paire de contacts dans laquelle un contact mobile peut être déplacé par rapport à un contact fixe selon un premier axe longitudinal entre une position fermée et une position ouverte ;
- un deuxième interrupteur comprenant une deuxième paire de contacts dans laquelle un deuxième contact mobile, solidaire d'une tige de contact mobile, peut être déplacé selon un deuxième axe entre une position fermée et un position ouverte grâce à une tige de commande, et
- des moyens d'actionnement assurant, par une action de commande unique, le déplacement des contacts mobiles par rapport aux contacts fixes entre une position de fermeture et une position d'ouverture, les moyens d'actionnement étant adaptés pour ouvrir la première et la deuxième paire de contacts puis à refermer la deuxième paire de contacts tout en maintenant la première paire ouverte pendant un temps déterminé.
- a first switch itself comprising a first pair of contacts in which a movable contact can be moved relative to a fixed contact along a first longitudinal axis between a closed position and an open position;
- a second switch comprising a second pair of contacts in which a second movable contact, integral with a movable contact rod, can be moved along a second axis between a closed position and an open position by means of a control rod, and
- actuating means ensuring, by a single control action, the displacement of the movable contacts relative to the fixed contacts between a closed position and an open position, the actuating means being adapted to open the first and second pair of contacts and then close the second pair of contacts while maintaining the first pair open for a certain time.
Selon l'invention, le disjoncteur hybride possède un système de maintien de la tige de commande du deuxième interrupteur et un système d'accumulation d'énergie prenant appui sur la tige de contact mobile et par rapport à un point fixe et étant destiné à être chargé jusqu'à une certaine valeur pour laquelle le système de maintien se déforme sous l'effort et désolidarise la tige de commande de la tige de contact mobile et permet le retour du contact mobile vers le contact fixe.According to the invention, the hybrid circuit breaker has a system for holding the control rod of the second switch and a system for accumulating energy bearing on the movable contact rod and with respect to a fixed point and intended to be loaded up to a certain value for which the holding system deforms under the force and disengages the control rod of the movable contact rod and allows the return of the movable contact to the fixed contact.
Dans une première réalisation de l'invention, le système de maintien de la tige de commande possède un ressort hélicoïdal torique souple placé dans une rainure de la tige de contact mobile et dans la rainure d'une tige de commande du deuxième interrupteur et un système d'accumulation d'énergie prenant appui sur la tige de contact mobile par rapport à un point fixe et étant destiné à être chargé jusqu'à une certaine valeur pour laquelle le ressort hélicoïdal torique souple se déforme sous l'effort et désolidarise la tige de commande de la tige de contact mobile et permet le retour du contact mobile vert le contact fixe.In a first embodiment of the invention, the control rod holding system has a flexible toroidal coil spring placed in a groove of the movable contact rod and in the groove of a control rod of the second switch and a system of energy accumulation bearing on the movable contact rod relative to a fixed point and being intended to be loaded up to a certain value for which the flexible toroidal coil spring deforms under the force and disengages the rod from control of the movable contact rod and allows the return of the green mobile contact the fixed contact.
Dans une deuxième réalisation du système de maintien de la tige de commande, celui-ci comprend une bille poussée hors d'un trou non traversant et radial dans la tige de contact mobile par un ressort placé à l'intérieur de ce trou et une encoche correspondant pratiquée dans la surface interne d'une extrémité de la tige de commande, ladite extrémité ayant une longueur supérieure à la course de la tige de contact mobile dans l'extrémité de la tige de commande pour que la bille ne sorte pas de ladite extrémité.In a second embodiment of the control rod holding system, the latter comprises a ball pushed out of a non-through and radial hole in the movable contact rod by a spring placed at the interior of this hole and a corresponding notch formed in the inner surface of one end of the control rod, said end having a greater length than the stroke of the movable contact rod in the end of the control rod for that the ball does not come out of said end.
Dans une première réalisation du disjoncteur selon l'invention le premier interrupteur est une chambre de coupure dans laquelle se trouve une rainure de commande possèdant entre deux parties parallèles à l'axe longitudinal A, A' une partie inclinée destinée à être une rampe de commande pour la tige de commande du deuxième interrupteur qui est une ampoule à vide, par déplacement longitudinal de la rainure le long de l'axe longitudinal A, A'.In a first embodiment of the circuit breaker according to the invention the first switch is a breaking chamber in which there is a control groove having between two parts parallel to the longitudinal axis A, A 'inclined part intended to be a control ramp for the control rod of the second switch which is a vacuum interrupter, by longitudinal displacement of the groove along the longitudinal axis A, A '.
Dans une deuxième réalisation, le premier interrupteur est une chambre de coupure placée selon un axe longitudinal C, C' parallèle au deuxième axe longitudinal du deuxième interrupteur qui est une ampoule à vide. Dans ce cas, la tige de commande de l'ampoule à vide est complétée par une partie perpendiculaire dont l'extrémité est montée coulissante dans une rainure longitudinale de la chambre de coupure.In a second embodiment, the first switch is a switching chamber placed along a longitudinal axis C, C 'parallel to the second longitudinal axis of the second switch which is a vacuum interrupter. In this case, the control rod of the vacuum bulb is completed by a perpendicular portion whose end is slidably mounted in a longitudinal groove of the interrupting chamber.
L'invention et ses différentes caractéristiques techniques seront mieux comprises à la lecture de la description suivante qui est accompagnée de plusieurs figures représentant respectivement :
-
Figure 1 , un disjoncteur hybride de l'art antérieur ; -
Figure 2 , une première réalisation du disjoncteur hybride selon l'invention ; -
Figure 3 , en coupe, une première variante d'un détail du disjoncteur hybride selon l'invention ; -
Figure 4 , en coupe, une deuxième variante du même détail du disjoncteur hybride selon l'invention ; et -
Figure 5 , une deuxième réalisation du disjoncteur hybride selon l'invention.
-
Figure 1 a hybrid circuit breaker of the prior art; -
Figure 2 a first embodiment of the hybrid circuit breaker according to the invention; -
Figure 3 , in section, a first variant of a detail of the hybrid circuit breaker according to the invention; -
Figure 4 , in section, a second variant of the same detail of the hybrid circuit breaker according to the invention; and -
Figure 5 , a second embodiment of the hybrid circuit breaker according to the invention.
En référence à la
- commande d'ouverture d'un premier interrupteur qui est ici la chambre de
coupure 110 ; - décalage de l'ouverture d'un deuxième interrupteur qui est ici l'ampoule à
vide 20, de façon à permettre au contact de la chambre decoupure 110 de se séparer à une vitesse minimale et de façon synchrone à la séparation des contacts mobile 21 et fixe 22 de l'ampoule àvide 20, et - fermeture de l'ampoule à
vide 20, tout en maintenant la chambre decoupure 110 en position ouverte.
- opening control of a first switch which is here the
breaking chamber 110; - offset the opening of a second switch which is here the
vacuum bottle 20, so as to allow the contact of thebreaking chamber 110 to separate at a minimum speed and synchronously to the separation of themovable contacts 21 and fixed 22 of thevacuum interrupter 20, and - closing the
vacuum bottle 20, while keeping thebreaking chamber 110 in the open position.
Plus précisément, ceci permet d'ouvrir l'ampoule à vide 20 puis de la refermer, sous l'effet d'un ressort 39, tout en continuant la course d'une tige de commande 31. Le ressort 39 remplit le rôle de système d'accumulation d'énergie. Dans ce système, la tige de commande 31 tire le contact mobile 22 de l'ampoule à vide 20, par l'intermédiaire d'un ressort hélicoïdale torique souple 38 qui solidarise temporairement la tige de commande 31 et une tige de contact mobile 32 à l'extrémité de laquelle est fixé le contact mobile 22. En même temps, le ressort 39 est comprimé jusqu'au moment le ressort hélicoïdal torique souple 38 cède en se comprimant, relâchant ainsi la tige du contact mobile 32 qui se ferme sous l'action du ressort 39.More specifically, this makes it possible to open the
Un tel agencement permet, tout en ayant une course relativement importante pour la tige de commande 31, de ne pas écarter d'une trop grande distance le contact mobile 22 du contact fixe 21 de l'ampoule à vide 20. En d'autre terme, le contact mobile 22 revient vers le contact mobile 21 alors que la tige de commande 31, actionnée par le système mécanique d'actionnement de l'ampoule à vide 20 et de la chambre de coupure 110 continue sa course.Such an arrangement allows, while having a relatively large stroke for the
La
On comprend que, si la tige de commande 31 est sollicité avec une force suffisante vers le bas de la
En référence à la
Lors de l'augmentation de la traction fournie par le ressort 39 (
Le système de désolidarisation temporaire automatique de la tige de contact mobile par rapport à la tige de commande de l'ampoule à vide tel que décrit précédemment permet d'envisager d'autres architectures du disjoncteur hybride.The automatic temporary disconnection system of the movable contact rod relative to the control rod of the vacuum interrupter as described above makes it possible to envisage other architectures of the hybrid circuit breaker.
En effet, en référence à la
Claims (5)
- A hybrid circuit breaker comprising:• a first switch comprising a first pair of contacts in which a movable contact can be moved along a first longitudinal axis (A, A'; C, C') between a closed position and an open position;• a second switch comprising a second pair of contacts in which a movable contact (22), secured to a rod (32, 42) of a movable contact, is movable along a second axis (B, B'; D, D') between a closed position and an open position, by means of a control rod (31, 41, 231); and• actuator means providing to a single control action to move the movable contacts relative to the stationary contacts between a closed position and an open position, the actuator means being adapted to open the first and second pairs of contacts and then to re-close the second pair of contacts while holding the first pair open for a determined length of time;the circuit breaker being characterized in that it has a holding system for holding the control rod (31, 41, 231) of the second switch and an energy accumulation system pressing against the movable contact rod (32, 42) and relative to a fixed point and being designed to be loaded up to a certain value at which the holding system deforms under the force and separates the control rod (31, 41, 231) from the movable contact rod (32, 42) and enables the movable contact (22) to return towards the stationary contact (21).
- A hybrid circuit breaker according to claim 1, characterized in that the holding system of the control rod (31, 231) is a flexible toroidal helical spring (38, 238) placed in a groove (35) of the movable contact rod (32) and a groove (37) on an inside surface of the control rod (31, 231) of the second switch and an energy accumulation system pressing against the movable contact rod (32) and relative to a fixed point, and being designed to be loaded up to a certain value at which the flexible toroidal helical spring (38, 238) deforms under the force and releases the control rod (31, 231) from the movable contact rod (32) and enables the movable contact (22) to return towards the stationary contact (21).
- A hybrid circuit breaker according to claim 1, characterized in that the holding system for the control rod (41) comprises a ball (48) thrust outwards from a radial non-through hole (45) in the movable contact rod (42) by a spring (49) placed inside said hole and a corresponding notch (47) made in the inside surface of an end (44) of the control rod (41), said end (44) having a length that is greater than the stroke of the movable contact rod (42) in the end (44) of the control rod (41) so that the ball (48) does not escape from said end (44).
- A hybrid circuit breaker according to claim 1, characterized in that the first switch is an arc-control device (110) in which there is a control groove (112) having a sloping portion (114) between two portions parallel to the longitudinal axis (A, A') of this arc-control device (110), which sloping portion (114) is designed to constitute a control ramp for the control rod (31, 41) of the second switch that is a vacuum switch (20) by longitudinal movement of the end of the control rod (31, 41) in the groove (112), along the longitudinal axis (A, A') of the arc-control device (110).
- A hybrid circuit breaker according to claim 1, being characterized in that the first switch is an arc-control device (210) placed along a longitudinal axis (C, C') parallel to the second longitudinal axis (D, D') of the second switch that is a vacuum switch (20), the control rod (231) of the vacuum switch (20) having a perpendicular portion (232) with its end mounted to slide in a longitudinal groove (212) of the arc-control device (210).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1051679A FR2957450B1 (en) | 2010-03-09 | 2010-03-09 | HYBRID CIRCUIT BREAKER USING A CLOSED RETURN SWITCH |
PCT/EP2011/053472 WO2011110561A1 (en) | 2010-03-09 | 2011-03-08 | Hybrid circuit breaker using a switch having return upon closure |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2545573A1 EP2545573A1 (en) | 2013-01-16 |
EP2545573B1 true EP2545573B1 (en) | 2015-02-11 |
Family
ID=42942152
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11706837.9A Not-in-force EP2545573B1 (en) | 2010-03-09 | 2011-03-08 | Hybrid circuit breaker using switch for restoring to a closure |
Country Status (7)
Country | Link |
---|---|
US (1) | US9099267B2 (en) |
EP (1) | EP2545573B1 (en) |
JP (1) | JP5765825B2 (en) |
CN (1) | CN102844830B (en) |
CA (1) | CA2790573A1 (en) |
FR (1) | FR2957450B1 (en) |
WO (1) | WO2011110561A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2971080B1 (en) * | 2011-02-02 | 2013-03-01 | Alstom Grid Sas | VACUUM BULB DEVICE COMPRISING A LOCKING MEANS |
US9054530B2 (en) | 2013-04-25 | 2015-06-09 | General Atomics | Pulsed interrupter and method of operation |
WO2015029516A1 (en) * | 2013-08-29 | 2015-03-05 | 株式会社日立製作所 | Gas circuit breaker |
CN106971904B (en) * | 2017-05-15 | 2019-04-05 | 上海交通大学 | Vacuum circuit breaker closing transmission mechanism |
CN109243905B (en) * | 2018-08-28 | 2024-06-21 | 广东科技学院 | Isolation switch device |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3560682A (en) * | 1965-11-30 | 1971-02-02 | Siemens Ag | Vacuum interrupter with shunting main contact structure and series disconnecting contact structure |
US4168417A (en) | 1978-01-25 | 1979-09-18 | Square D Company | Remote operating mechanism for electric switches |
JPS5619831A (en) * | 1979-07-27 | 1981-02-24 | Tokyo Shibaura Electric Co | Swithc for vacuum valve |
JPS58181218A (en) * | 1982-04-19 | 1983-10-22 | 株式会社日立製作所 | Composite vacuum breaker |
JPS5920930A (en) * | 1982-07-28 | 1984-02-02 | 株式会社東芝 | Hybrid breaker |
DE3528770A1 (en) * | 1985-08-10 | 1987-02-19 | Driescher Eltech Werk | Medium-voltage switching installation |
FR2744284B1 (en) * | 1996-01-29 | 1998-04-03 | Schneider Electric Sa | MEDIUM VOLTAGE MULTIPOLAR CIRCUIT BREAKER OR CIRCUIT BREAKER |
US5933308A (en) * | 1997-11-19 | 1999-08-03 | Square D Company | Arcing fault protection system for a switchgear enclosure |
ATE368932T1 (en) * | 2001-11-09 | 2007-08-15 | Abb Schweiz Ag | HYBRID CIRCUIT SWITCH WITH A GEARBOX |
FR2840729B1 (en) * | 2002-06-05 | 2004-07-16 | Alstom | HIGH OR MEDIUM VOLTAGE SWITCHING DEVICE WITH MIXED VACUUM AND GAS CUT |
FR2868199B1 (en) * | 2004-03-25 | 2006-05-19 | Areva T & D Sa | HIGH VOLTAGE HYBRID CIRCUIT BREAKER. |
FR2877136B1 (en) * | 2004-10-27 | 2006-12-15 | Areva T & D Sa | TRAINING CINEMATICS IN A HYBRID CIRCUIT BREAKER |
FR2901055B1 (en) * | 2006-05-12 | 2008-07-04 | Areva T & D Sa | ALTERNATOR DISCONNECT CIRCUIT BREAKER ACTUATED BY A MOTOR SERVO |
-
2010
- 2010-03-09 FR FR1051679A patent/FR2957450B1/en not_active Expired - Fee Related
-
2011
- 2011-03-08 US US13/583,543 patent/US9099267B2/en not_active Expired - Fee Related
- 2011-03-08 EP EP11706837.9A patent/EP2545573B1/en not_active Not-in-force
- 2011-03-08 WO PCT/EP2011/053472 patent/WO2011110561A1/en active Application Filing
- 2011-03-08 CN CN201180012115.7A patent/CN102844830B/en not_active Expired - Fee Related
- 2011-03-08 JP JP2012556487A patent/JP5765825B2/en not_active Expired - Fee Related
- 2011-03-08 CA CA2790573A patent/CA2790573A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP2545573A1 (en) | 2013-01-16 |
FR2957450A1 (en) | 2011-09-16 |
US9099267B2 (en) | 2015-08-04 |
FR2957450B1 (en) | 2012-04-20 |
JP2013521626A (en) | 2013-06-10 |
JP5765825B2 (en) | 2015-08-19 |
CN102844830A (en) | 2012-12-26 |
US20130233831A1 (en) | 2013-09-12 |
WO2011110561A1 (en) | 2011-09-15 |
CA2790573A1 (en) | 2011-09-15 |
CN102844830B (en) | 2015-07-22 |
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