EP2023361B1 - Dispositif de commutation de type à trois phases sous enveloppe métallique à encombrement et forces de transmission par phase réduits - Google Patents

Dispositif de commutation de type à trois phases sous enveloppe métallique à encombrement et forces de transmission par phase réduits Download PDF

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Publication number
EP2023361B1
EP2023361B1 EP08161241A EP08161241A EP2023361B1 EP 2023361 B1 EP2023361 B1 EP 2023361B1 EP 08161241 A EP08161241 A EP 08161241A EP 08161241 A EP08161241 A EP 08161241A EP 2023361 B1 EP2023361 B1 EP 2023361B1
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EP
European Patent Office
Prior art keywords
transmission
lever
control units
metal tank
connecting rod
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.)
Active
Application number
EP08161241A
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German (de)
English (en)
French (fr)
Other versions
EP2023361A1 (fr
Inventor
Johannes Blatter
Lukas Treier
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.)
GE Grid Switzerland GmbH
Original Assignee
Areva T&D AG
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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
    • H01H33/022—Details particular to three-phase circuit breakers
    • 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
    • H01H33/42—Driving mechanisms
    • 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
    • H01H33/022—Details particular to three-phase circuit breakers
    • H01H2033/024—Details particular to three-phase circuit breakers with a triangular setup of circuit breakers

Definitions

  • the invention relates to the field of metal-wrapped three-phase switching devices.
  • the invention relates to the arrangement of this type of devices and the control of the movable contacts of switches constituting the three phases.
  • FIG. 1 is a front view of the station 1 in vertical operating position on which one recognizes the single metal shell 2 filled SF6 gas surmounted a control apparatus 3.
  • This single control device 3 type integrated springs, control when switching, actuating the moving contacts of the three poles R, S, T of the circuit breaker housed in the casing 2 via a single mechanical transmission mechanism 4.
  • This single mechanical transmission mechanism 4 is connected on the one hand to the output shaft 30 of the control device 3 and on the other hand to all three movable contacts of the poles.
  • This mechanism 4 further comprises a portion 40 constituted by a system of levers and connecting rods, shown in dashed lines on the figure 1 , which is arranged externally both of the frame 31 of the control apparatus 3 and of the metal casing 2. Suitable seals seal at the point of passage of the transmission shaft 41 in the metal casing 2.
  • a station advantageously has a small footprint. In some configurations, it is necessary to switch each pole independently. In addition, it would be desirable, during switching, to reduce the mechanical forces involved in the transmission. It would also be desirable to achieve this with the minimum of parts.
  • a solution for operating the three phases independently of one another is widely known for metal-walled three-phase type devices. It consists in controlling each of the three movable switch contacts independently of the others by means of a clean control device and consequently using a own transmission mechanism.
  • the patent US 4,417,111 discloses a metal enclosed three phase circuit breaker with independent control for each moving phase contact.
  • the three identical control devices are arranged below and on the front of the metal casing.
  • Each control apparatus comprises an opening mechanism 15, a closing spring 22, a shaft rotating main 10. These elements are connected by means of levers and connecting rods.
  • the levers and links of the pole W are different from those of the poles U and V.
  • the rotary shafts 10 are each connected identically to a movable contact 4 of a circuit breaker pole.
  • the main control shaft 10 is rotated with a predefined movement stroke of less than 180 ° in a first direction of rotation.
  • the main shaft is rotated in a second predefined motion stroke of less than 180 ° in an opposite direction.
  • the implementation of this circuit breaker involves a large footprint, especially axial, and the use of a high number of parts.
  • the patent US 5,569,891 also discloses a three-phase circuit breaker with independent control for each moving phase contact but with three identical metal casings which each house a pole of the circuit breaker. As illustrated on the figure 4 of this patent, the three metal shells 3 of the same dimensions are arranged horizontally and parallel to each other.
  • the control set 30 is arranged below the support structure and comprises three identical and independent control devices, each connected to a transmission rod 32, 33, 34. These transmission rods 32, 33, 34 are each connected to a movable circuit breaker contact by means of levers 40, 41, 43 and transmission shafts 36, 37, 38, 39 arranged along a common axis.
  • This arrangement necessarily implies the use of a high number of parts due in particular to the use of three metal envelopes, the required joints.
  • the arrangement of the three controls below the support structure on the side of the pole axes and the arrangement of the transmission shafts 36, 37, 38, 39 on a common axis imply a larger space requirement.
  • the patent US 6,437,276 discloses a three-phase metal-enclosed circuit breaker with a single control for the three moving phase contacts.
  • the single control 22 is arranged on the side of the circuit breaker and is connected via a plurality of levers and links to the moving phase contacts.
  • a fork 3 distributes the control power to the three poles (see column 7, lines 9 to 28).
  • the circuit breaker must be designed with a metal enclosure per pole (see column 7, lines 31 to 41) or with a metal envelope by three poles (see column 6, lines 49-52).
  • the object of the invention is to overcome the aforementioned drawbacks and in particular to propose a solution that allows a switching device, for example of the type marketed under the name "AREVA F35", to have an independent control per pole without affecting the size of the circuit breaker.
  • Another object of the invention is to use a minimum of different parts to achieve all the independent commands of the poles.
  • the independent operation of the three breaker poles is obtained with a minimum of additional space requirement and with a minimum of different parts. and also a strong decrease in mechanical forces involved to transmit the movement to the three contacts during a switch while maintaining a small footprint.
  • the control devices can be made identically.
  • the three switches are arranged in the metal casing forming a triangle, preferably isosceles.
  • the three control units are arranged vertically above the metal casing.
  • the three control devices are parallel to each other with the three output shafts aligned along the same axis (H-H), and preferably in a row.
  • the three control devices are identical.
  • the three control devices are attached to the same platform itself fixed on the top of the metal casing.
  • one of the outer connecting rods moves in a direction opposite to the direction of the outer connecting rods of the other two phases for the same operation operation.
  • the three transmission mechanisms have identical transmission ratios if at least the relation a / b is identical for the three transmission mechanisms which regardless of the angle of rotation when switching, where a is the distance between the axis of the first link and the axis of the output shaft and b is the distance between the axis of the first link and the shaft of the transmission shaft.
  • a is identical for the three mechanisms and, b is identical for the three mechanisms, regardless of the rotation of the output shaft.
  • the three transmission mechanisms are identical.
  • a main application of the device according to the invention is that in which the three switches are three poles of circuit breaker.
  • the metal casing may comprise a cylindrical reservoir surmounted by a bell-shaped cover through which passes a part of the transmission means, sealing means being provided in the passage zone of the part of the transmission means to ensure the sealing of the dielectric gas inside the metal casing.
  • the switching device is a circuit breaker 1 comprising three poles R, S, T implanted inside a common metal shell 2 and, more particularly, inside a common tank 20 filled with a dielectric gas, for example SF6.
  • a dielectric gas for example SF6.
  • the three poles R, S, T are arranged according to an isosceles triangle, here with the distance between the poles S and R being equal to that separating the poles S and T.
  • Each pole R, S, T comprises a fixed contact and a contact mobile in translation.
  • Each movable contact is connected to one of the insulating transmission rods as detailed below. Part of the transmission rods is disposed against the upper side of the tank 20 ( figure 2 and 4 ).
  • the electrical connections 10 extend to another component (not shown) of a GIS station (Gas Insulation Substation) through insulating disks and supporting 11, being mounted waterproof.
  • GIS station Gas Insulation Substation
  • the circuit breaker 1 comprises three independent control units 3 R , 3 S , 3 T each of the other adapted each to actuate a movable contact of one of the three switches R, S, T ( Figures 2 and 3 ).
  • the three control units 3 R , 3 S , 3 T are identical, arranged in line with the metal casing 2, parallel to each other with the three output shafts 30 R , 30 S , 30 T , aligned along the same axis (HH) and in a row ( figure 3 ).
  • each of the control devices 3 R , 3 S , 3 T is housed in an independent frame 31 R , 31 S , 31 T and the three devices 3 R , 3 S , 3 T are attached to the same platform 5 it even attached to the top 21 of the metal casing 2.
  • Each control is usually equipped with several levers able to be rotated by means of an energy stored in springs, such as for example a closing spring and a trigger spring, which are normally solicited.
  • springs such as for example a closing spring and a trigger spring, which are normally solicited.
  • the function of such commands is known and has been described for example in the patent EP 0 651 409 .
  • Other types of commands can be used with similar principles for transmission operations.
  • the circuit breaker 1 comprises three mechanical 4 R , 4 S , 4 T transmission mechanisms each connected on the one hand to the output shaft 30 R , 30 S , 30 T of one of the three control devices and secondly to the moving contact of one of the three switches R, S, T ( figure 2 ).
  • the three transmission mechanisms 4 R , 4 S , 4 T have different geometries between them but identical speed ratios between them whatever the angle of rotation during a switch.
  • the three mechanical transmission mechanisms 4 R , 4 S , 4 T each comprise a first lever 42 R , 42 S , 42 T fixed transversely to the output shaft 30 R , 30 S , 30 T one of the three control devices ( figure 3 ).
  • transmission shaft 41 R , 41 S , 41 T respectively for each pole R, S, T, different from the output shaft 30 R , 30 S , 30 T.
  • These transmission shafts 41 R , 41 S , 41 T are not all arranged on the same side of the plane defined by the axis of the R and T poles.
  • first connecting rod 43 R , 43 S , 43 T is pivotally mounted at the free end of the first lever 42 R , 42 S , 42 T.
  • a second lever 44 R , 44 S , 44 T is attached to one end of a transmission shaft 41 R , 41 S , 41 T rotatably mounted in a cover 21 of the metal casing 2 and is rotatably mounted to the other end of the first connecting rod 43 R , 43 S , 43 T.
  • the geometry of the three mechanical transmission mechanisms 4 R , 4 S , 4 T is such that the intermediate position of the axis of the connecting rod 43 S , is not parallel to the other 43 R , 43 T.
  • a third lever 45 R , 45 S , 45 T is fixed at the other end of the transmission shaft 41 R , 41 S , 41 T and is pivotally mounted at one end of a second connecting rod 46 R , 46 S , 46 T connected to the end of a movable switch contact.
  • the second connecting rod 46 R , 46 S , 46 T is made of an insulating material, for example epoxy laminated to glass fibers.
  • the transmission mechanisms 4 R , 4 S , 4 T are arranged so that on the one hand the first levers 42 R , 42 S , 42 T , the first connecting rods 43 R , 43 S , 43 T and the second levers 44 R , 44 S , 44 T are arranged outside the metal casing 2 and secondly the third levers 45 R , 45 S , 45 T and the second rods 46 R , 46 S , 46 T are arranged inside the metal casing 2.
  • the three transmission mechanisms 4 R , 4 S , 4 T are composed of identical elements, with the exception of the length the rod 43 S which is longer than the rods 43 R , 43 T.
  • the first outer connecting rods 43 R , 43 T extend approximately in a plane formed by the poles R and T and laterally with respect to the upper part forming a cover 21 of the metal casing 2.
  • the first main rod 43 S extends outside this plane and is inclined with respect to the axis of the pole S; the inclination being such that it extends to the rear of the lid 21.
  • the angle ⁇ of this inclination can vary from 10 to 40 ° relative to the axis of the pole S during a commutation ( figure 5 ).
  • the distance a between the axis of the first connecting rod 43 R , 43 S , 43 T and the axis of the output shaft 30 R , 30 S , T is identical for the three mechanisms 4 R , 4 S , 4 T.
  • the distance b between the axis of the first connecting rod 43 R , 43 S , 43 T and the axis of the transmission shaft 41 R , 41 S , 41 T is identical for the three mechanisms, regardless of the rotation of the output shaft 30 R , 30 S , 30 T.
  • the three output shafts 30 R , 30 S , 30 T rotate in the same direction of rotation.
  • the first outer connecting rods 43 R , 43 T undergo a thrust force, while the first connecting rod 43 S undergoes a pulling force.
  • the three second links 46 R , 46 S , 46 T undergo a thrust force.
  • the first outer links 43 R , 43 T undergo a pulling force while the first link 43 S undergoes a thrust force.
  • one of the outer rods 43 S moves in a direction opposite to the direction of the outer rods 43 R , 43 T of the two other poles R, T for the same operation operation.
  • the three second links 46 R , 46 S , 46 T undergo a pulling force.
  • This type of force reversal between the outer links 43 R , 43 T and the central rod 43 S is due to the mounting position of the first lever 42 S , the first central rod 43 S , the second lever 44 S and the third lever 45 S relative to the position of mounting the same elements of the other two phases. ( figures 4 , 5 and 6 ).
  • the third central lever 45 s is identical to the second 44 s , these two levers being arranged relative to each other at an angle ⁇ of the order of 180 ° on the shaft transmission time 41 s .
  • This angle ⁇ may advantageously be between 140 ° and 220 ° according to the invention.
  • the second outer 44 R , 44 T and third lever 45 R , 45 T are arranged relative to each other at a zero angle on their respective transmission shaft 41 R , 41 T. ( figures 4 and 6 ).
  • This angle can advantageously be between -40 ° and + 40 ° according to the invention.
  • the length of the set of first levers 42 R , 42 S , 42 T ( figures 4 , 5 ) is identical, that of the levers 44 R , 44 S , 44 T , 45 R , 45 S , 45 T is identical ( figure 6 ).
  • the length of the second levers 44 R , 44 S , 44 T identical to each other could be different from that of the third levers 45 R , 45 S , 45 T identical to each other.
  • the first links 43 R , 43 S , 43 T are each slightly inclined relative to the plane in which respectively extend each of the first levers 42 R , 42 S , 42 T. These inclinations, which may be different from one of the first links 43 R , 43 S , 43 T to another, have no significant influence on the defined movement path. By cons, they still optimize the space taken by the circuit breaker according to the invention.
  • the metal casing 2 comprises a cylindrical reservoir 20 surmounted by a lid 21 forming a bell ( figures 6 and 2 ) through which passes the transmission shaft 41 R , 41 S , 41 T , sealing means being provided in the passage zone of the portion of the transmission means to seal the dielectric gas inside of the metal shell 2 ( figure 6 ).
  • first links 43 R , 43 T may extend outside the plane formed by the poles R and T: the angular position of the first levers on their respective output shaft must then be adapted to respect the ratios of identical speeds between the three mechanical transmission mechanisms.
  • first levers and the second and third levers may have different lengths.
  • the distance a between the axis of each of the first rods and that of their respective output shaft must always be identical for the three mechanisms.
  • the distance b between the axis of the first connecting rod and the axis of the transmission shaft and that of b as a function of the rotation of the respective output shaft must be the same for the three transmission mechanisms. .
  • the first levers 42 R , 42 S , 42 T of the different poles and also the second levers 44 R , 44 S , 44 T may have different lengths.
  • at least the relation a / b must be the same for the three poles whatever the angle of rotation during a commutation.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Lasers (AREA)
  • Transmitters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
EP08161241A 2007-08-08 2008-07-28 Dispositif de commutation de type à trois phases sous enveloppe métallique à encombrement et forces de transmission par phase réduits Active EP2023361B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0756996A FR2919957B1 (fr) 2007-08-08 2007-08-08 Dispositif de commutation de type a tois phases sous enveloppe metallique a encombrement et forces de trasmission par phase reduits

Publications (2)

Publication Number Publication Date
EP2023361A1 EP2023361A1 (fr) 2009-02-11
EP2023361B1 true EP2023361B1 (fr) 2010-06-30

Family

ID=39156338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08161241A Active EP2023361B1 (fr) 2007-08-08 2008-07-28 Dispositif de commutation de type à trois phases sous enveloppe métallique à encombrement et forces de transmission par phase réduits

Country Status (6)

Country Link
EP (1) EP2023361B1 (zh)
KR (1) KR101496372B1 (zh)
CN (1) CN101364715B (zh)
AT (1) ATE472816T1 (zh)
DE (1) DE602008001636D1 (zh)
FR (1) FR2919957B1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016213158A1 (de) 2016-07-19 2018-01-25 Siemens Aktiengesellschaft Schaltgeräteanordnung
ES2753773T3 (es) * 2016-10-24 2020-04-14 Siemens Ag Módulo de conmutador multifuncional para aparamenta compacta de alta tensión

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56118224A (en) * 1980-02-20 1981-09-17 Hitachi Ltd Singleephase reclosing type 33phase simultaneous gas breaker
DE4210370A1 (de) * 1992-03-30 1993-10-07 Abb Patent Gmbh Hochspannungsschaltfeld
EP0651409B1 (de) 1993-11-03 1997-09-10 GEC Alsthom T&D AG Federantrieb für ein Schaltgerät
US5569891A (en) 1994-02-14 1996-10-29 Abb Power T&D Company, Inc. High performance circuit breaker with independent pole operation linkage and conical composite bushings
FR2753563B1 (fr) * 1996-09-16 1998-10-16 Schneider Electric Sa Interrupteur electrique multipolaire ayant un barreau de commutation elementaire par pole
DE19718639A1 (de) * 1997-05-02 1998-11-05 Abb Patent Gmbh Hochspannungsschaltanlage
CN1143342C (zh) * 1998-06-05 2004-03-24 Lg产电株式会社 断路器跳闸连接机构
US5962824A (en) * 1998-06-10 1999-10-05 Lg Industrial Systems, Co., Ltd. Trip link structure for circuit breaker
DE29902208U1 (de) 1999-01-28 2000-08-17 Siemens Ag Mehrphasig gekapselte Freiluft-Hochspannungsschalteinrichtung

Also Published As

Publication number Publication date
CN101364715B (zh) 2012-09-26
KR101496372B1 (ko) 2015-02-26
CN101364715A (zh) 2009-02-11
KR20090015818A (ko) 2009-02-12
DE602008001636D1 (de) 2010-08-12
ATE472816T1 (de) 2010-07-15
EP2023361A1 (fr) 2009-02-11
FR2919957A1 (fr) 2009-02-13
FR2919957B1 (fr) 2009-10-30

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