EP0205397B1 - Sectionneur pour une installation interrupteur haute tension blindée et isolée au gaz comprimé - Google Patents

Sectionneur pour une installation interrupteur haute tension blindée et isolée au gaz comprimé Download PDF

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Publication number
EP0205397B1
EP0205397B1 EP86730091A EP86730091A EP0205397B1 EP 0205397 B1 EP0205397 B1 EP 0205397B1 EP 86730091 A EP86730091 A EP 86730091A EP 86730091 A EP86730091 A EP 86730091A EP 0205397 B1 EP0205397 B1 EP 0205397B1
Authority
EP
European Patent Office
Prior art keywords
conductor
screening member
isolating
isolating switch
sphere
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
EP86730091A
Other languages
German (de)
English (en)
Other versions
EP0205397A1 (fr
Inventor
Willi Olsen
Dieter Dipl.-Ing. Lorenz
Hans-Peter Dipl.-Ing. Dambietz
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0205397A1 publication Critical patent/EP0205397A1/fr
Application granted granted Critical
Publication of EP0205397B1 publication Critical patent/EP0205397B1/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
    • H01H33/022—Details particular to three-phase circuit breakers
    • 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
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact

Definitions

  • the invention relates to a disconnector for a multi-pole switchgear panel of a metal-encapsulated, compressed gas-insulated high-voltage switchgear, in which each pole is accommodated in an encapsulation housing which has two bushing insulators, and the ends of the conductors penetrating the bushing insulators are each surrounded by a rounded shielding body and connected to it, which limit the separation distance and of which the first shielding body contains a movable contact element which is in contact with the end of the first conductor and can be actuated by a drive via a rotary insulator and which, when the separation distance is bridged, emerges from an opening in the first shielding body and engages with the
  • the same longitudinal axis has the opposite end of the second conductor lying in the second shielding body, the rotary insulator standing perpendicular to the longitudinal axis of the movable contact.
  • Such a switch constructed as a single-pole push-pull disconnector, with shielding bodies around the conductor ends is known and is e.g. on page 701 of the Brown Boveri Announcements 1979.
  • the first shielding body into which the rotary isolator which triggers the actuation of the isolating switch is inserted, contains both the movable contact piece and the means for converting the rotary movement of the rotary isolator into the pushing movement of the movable contact piece.
  • the disconnector is open, the separation distance is limited by the two rounded shielding bodies.
  • the known disconnector is a line disconnector, i.e. the movable contact piece and the ends of the conductor that can be bridged by it lie on a common longitudinal axis.
  • the encapsulation housing is accordingly approximately cylindrical and its end faces are closed off by the bushing insulators for the conductor ends.
  • the invention has for its object to design a circuit breaker so that regardless of the course of the conductors each circuit breaker pole always contains the same parts within the encapsulating housing and with the shortest possible current path length, a minimum of components and housings is achieved.
  • a circuit breaker of the type described above is constructed such that the rotary isolator is perpendicular to the phase current path plane of the switch panel and that the first shielding body is essentially designed as a ball, the center of which is on the axis of the rotary isolator and on the longitudinal axis of the movable contact piece and which has a surface in the inside for receiving the fastening means required for connection to the end of the first conductor, the central perpendicular of which lies in the phase current path plane of the switch panel.
  • the position of the movable can be turned by rotating the ball around the rotary insulator Switch piece can be changed, the central perpendicular of the connection surface for connection to the end of the first conductor remains in the phase current plane. Due to the corresponding alignment of the opposite end of the second conductor lying in the second shielding body, this twist achieves the adaptation of the disconnector to different angular conductor runs without the field conditions or the dielectric strength practically changing in the region of the isolating path, since these change also turns.
  • the encapsulation housing has a spherical section with the same center, at least in the region adjacent to the spherical of the first shielding body. Then, when the ball of the shielding body is rotated, the expansion of the ball section of the encapsulation housing is changed accordingly, so that in this region adjacent to the ball of the first shielding body there is no distorting change in the field and the dielectric conditions are not deteriorated.
  • a further simplification of the storage can be achieved in that in the inside of the ball of the first shielding body several surfaces are provided at an angle to each other for receiving the fasteners required for connection to the end of the first conductor, the center perpendicular of which in each case Phase current path level of the panel.
  • the ball of the first shielding body is prepared from the outset for connection to various conductor tracks which are at mutually desired angles. For the final use of the ball, only the necessary connection surface for the end of the first conductor lying on the outside of the ball, which is easy to machine, is then produced for the selected inner surface.
  • Disconnector poles designed in this way can be combined in any way in a multipole switch panel. It is expedient if, in the case of a three-pole switch panel, the isolating paths are oriented differently to the axis of the first conductor in each or in two of the isolating switch poles belonging together.
  • FIGS. 1 to 5 show, each schematically, in longitudinal section a disconnector designed according to the invention in the open switch position.
  • FIG. 2 shows the first shielding body of this circuit breaker on an enlarged scale, partially in section, in the arrangement shown in FIG. 1.
  • FIG. 5 shows, likewise schematically, a side view of part of a switch panel in which a plurality of disconnectors designed in accordance with the invention are used.
  • the disconnector according to Figure 1 is a line separator, i.e. the two ends of the first conductor 1 and the second conductor 2 to be separated or bridged lie on the same longitudinal axis.
  • Both conductors 1, 2 are held at a central distance from the encapsulation housing 4 by bushing insulators 3.
  • the ends of both conductors 1, 2 are also surrounded by rounded shielding bodies 5, 6, which act as field electrodes.
  • the first shielding body 5, which is in contact with the end of the first conductor 1, is essentially designed as a hollow ball 7.
  • the second shielding body 6 surrounds the end of the conductor 2, which forms a current lamella contact 8.
  • the hollow ball 7 of the first shielding body 5 contains the movable contact piece 9 (see FIG. 2), which lies on the longitudinal axis of the conductors 1, 2. It is located completely inside the shielding body 5 when the disconnector is in the open switch position, so that the open separating path 10, indicated by arrows, is delimited by the shielding bodies 5, 6.
  • the actuation of the movable contact piece 9 for bridging or opening the isolating section 10 is effected by a drive (not shown) lying outside the encapsulation housing 4, which is connected to the movable contact piece 9 via a rotary isolator 11 and gear parts (not shown).
  • This rotary insulator 11 is perpendicular to both the longitudinal axis of the conductors 1, 2 and perpendicular to the phase current path plane of the switch panel and is guided into the shielding body 5.
  • the means for converting the rotary movement of this rotary isolator 11 into the pushing movement of the movable contact piece 9 are also inside the shielding body 5 and are not shown.
  • three adjacent surfaces 12, 13, 14 are further provided, which are at an angle of 45 ° to one another. These inner surfaces 12, 13, 14 serve to receive the fastening means required for connection to the end of the conductor 1. Their perpendicular bisectors, not shown, lie in the phase current path plane of the switch panel, which corresponds to the paper plane of the drawing.
  • the first shielding body 5 can be rotated around the rotary insulator 11 and in each case connected to the end of the conductor 1 via a connection surface on the outside of the ball 7 which is assigned to one of the inner surfaces 12, 13, 14.
  • FIGS. 1 and 2 corresponds to that of a line separator in which the conductors 1 and 2 are at an angle of 180 ° to one another.
  • the encapsulation housing 4 is correspondingly formed in the region adjacent to the ball 7 as a ball section 16, this ball section 16 and the ball 7 having a common center point. This results in simple field conditions in this area.
  • the spherical section 16 is followed by an approximately cylindrical connecting piece 17 or 18, which leads to the flange 19 of the bushing insulators 3.
  • the connecting piece 17 is longer than the connecting piece 18, since it also surrounds the second shielding body 6.
  • FIG. 3 shows a circuit breaker with a different arrangement of the first shielding body 5, the same reference numerals are retained for the same parts.
  • the ball 7 of the shielding body 5 is fastened to the inner surface 13 (see FIG. 2) and the associated outer connection surface at the end of the conductor 1.
  • the position of the opening 15 and that of the movable contact piece 9 rotates relative to the conductor 1, the rotary insulator 11 forming the axis of rotation.
  • the end of the conductor 2 and the shielding body 6 surrounding it are now arranged so that the longitudinal axis of the conductor 2 corresponds to the longitudinal axis of the movable contact piece 9.
  • the position of the separation section 10 has changed accordingly.
  • FIG. 4 a disconnector is shown in FIG. 4, in which the ball 7 of the first shielding body 5 is fastened to the end of the conductor 1 via the inner surface 14.
  • a disconnector is obtained in which the conductors 1 and 2 are at right angles to one another.
  • the proportionate areas of the connecting piece 17, the spherical section 16 and the connecting piece 18 have shifted relative to one another for the encapsulating housing 42 without the dielectric conditions in the interior of the encapsulating housing 4, in particular in the region of the isolating section 10, having changed practically.
  • the bushing insulator 3 for the end of the second conductor 2 surrounded by the second shielding body 6 is always at the same distance from the center of the ball 7 of the first shielding body 5, regardless of the inner surface 12, 13, 14 or outer connection surface is attached to the end of the first conductor 1. This results in an optimally short current path length.
  • FIG. 5 now shows a side view of part of a three-pole switchgear panel of a metal-encapsulated, pressurized gas-insulated high-voltage switchgear assembly in which isolating switch poles designed according to the invention are used.
  • the three phases RST are in a row.
  • phase R the conductor course is indicated as a circuit diagram.
  • An angular housing 20 is visible from the front phase R, on the central upper flange 21 of which the encapsulating housing 4 is flanged a disconnector pole 22 designed according to the invention.
  • This isolating switch pole 22 connects the conductor 23 within the angular housing 20 to the busbar 25 accommodated in the encapsulating housing 24 flanged to the encapsulating housing 4 above.
  • the isolating switch pole 22 in the phase R switching field thus corresponds to the line separator according to FIG of 180 ° to each other.
  • phase 5 lying behind, the conductors of the isolator switch pole have an angle of 135 ° to one another, so that the isolator switch pole accommodated in the encapsulation housing 41 corresponds to the isolator switch pole according to FIG.
  • the isolating switch pole lies within the encapsulation housing 42 and connects two conductors at an angle of 90 ° to one another.
  • the dielectric conditions of the isolator system are practically the same for all versions.
  • the encapsulating housing of the isolating switch can also have other connection pieces with flanges, provided that this is necessary for assembly openings or for the connection of other modules of the switch panel.

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Circuit Breakers (AREA)

Claims (6)

1. Sectionneur pour un poste multipolaire de distribution haute tension à blindage métallique et à isolation par un gaz comprimé, dans lequel chaque pôle est logé dans un carter de blindage (4, 41, 42) qui comporte deux isolateurs de traversée (3); et les extrémités des conducteurs (1, 2) qui traversent les isolateurs de traversée sont respectivement entourées chacune par un corps de blindage arrondi (5, 6) et sont reliées à ce dernier, lesdits corps de blindage déterminant l'intervalle de coupure (10) et parmi lesquels le premier corps de blindage (5) comporte une pièce de contact mobile (9) qui est en contact avec l'extrémité du premier conducteur et qui est susceptible d'être commandée par un dispositif d'entraînement, par l'intermédiaire d'un isolateur tournant (11); ladite pièce de contact sortant, lors du shuntage de l'intervalle de coupure (10), d'une ouverture (15) ménagée dans le premier corps de blindage (5) et parvenant en prise avec l'extrémité du second conducteur qui y fait face, qui possède le même axe longitudinal et qui est située dans le second corps de blindage (6), l'isolateur tournant (11) étant perpendiculaire par rapport à l'axe longitudinal de la pièce de contact mobile (9); caractérisé par le fait que l'isolateur tournant (11) est perpendiculaire par rapport au plan du trajet du courant de phase de l'installation, et que le premier corps de blindage (5) est réalisé avec sensiblement la forme d'une sphère (7) dont le centre se situe sur l'axe de l'isolateur tournant (11) et sur l'axe longitudinal de la pièce de contact mobile (9), et qui possède à l'intérieur une surface (12) destinée à recevoir des moyens de fixation qui sont nécessaires pour l'assemblage avec l'extrémité du premier conducteur, et dont la médiatrice se situe dans le plan du trajet du courant de phase du poste.
2. Sectionneur selon la revendication 1, caractérisé par le fait que le carter de blindage (4, 41, 42) présente au moins dans la zone qui est voisine de la sphère (7) du premier corps de blindage (5), un secteur sphérique (16), ayant le même centre.
3. Sectionneur selon la revendication 1 ou 2, caractérisé par le fait qu'à l'intérieur de la sphère (7) du premier corps de blindage (5), sont prévues plusieurs surfaces (12, 13, 14), inclinées les unes par rapport aux autres et servant à recevoir les moyens de fixation qui sont nécessaires pour l'assemblage avec l'extrémité du premier conducteur (1), et dont les médiatrices se situent respectivement dans le plan du trajet du courant de phase du poste.
4. Sectionneur selon la revendication 3, caractérisé par le fait que trois surfaces (12, 13, 14) se situent l'une à côté de l'autre à l'intérieur de la sphère (7) du premier corps de blindage (5), et présentent un angle de 45°.
5. Sectionneur selon la revendication 1, 2 ou 3, caractérisé par le fait que l'isolateur de traversée (3) pour l'extrémité du second conducteur (2) qui est entourée par le second corps de blindage (6), présente toujours la même distance par rapport au centre de la sphère (7) du premier corps de blindage (5), indépendamment de la surface (12, 13, 14) avec laquelle celle-ci est fixée à l'extrémité du premier conducteur (1).
6. Sectionneur pour un poste multipolaire selon la revendication et/ou l'une ou plusieurs des revendications 2 à 5, caractérisé par le fait que dans le cas d'une installation tripolaire, l'intervalle de coupure (10) est aligné différemment par rapport à l'axe du premier conducteur (1), pour chaque pôle ou pour deux des pôles des sectionneurs associés.
EP86730091A 1985-06-14 1986-06-06 Sectionneur pour une installation interrupteur haute tension blindée et isolée au gaz comprimé Expired EP0205397B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3521945 1985-06-14
DE19853521945 DE3521945A1 (de) 1985-06-14 1985-06-14 Trennschalter fuer eine metallgekapselte, druckgasisolierte hochspannungsschaltanlage

Publications (2)

Publication Number Publication Date
EP0205397A1 EP0205397A1 (fr) 1986-12-17
EP0205397B1 true EP0205397B1 (fr) 1989-01-25

Family

ID=6273654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86730091A Expired EP0205397B1 (fr) 1985-06-14 1986-06-06 Sectionneur pour une installation interrupteur haute tension blindée et isolée au gaz comprimé

Country Status (8)

Country Link
US (1) US4659886A (fr)
EP (1) EP0205397B1 (fr)
JP (1) JPS61288328A (fr)
BR (1) BR8602750A (fr)
CA (1) CA1283152C (fr)
DE (2) DE3521945A1 (fr)
SU (1) SU1477255A3 (fr)
UA (1) UA6013A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540777A1 (de) * 1995-11-02 1997-05-07 Asea Brown Boveri Elektrisches Schaltgerät

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2592210B1 (fr) * 1985-12-20 1990-07-27 Merlin Gerin Sectionneur d'isolement d'une installation blindee haute tension
WO1991017351A1 (fr) * 1990-05-08 1991-11-14 Caterpillar Inc. Appareil de commande pour actionneur piezoelectrique
US5153399A (en) * 1990-11-06 1992-10-06 G&W Electric Company Rotary puffer switch
US5259108A (en) * 1990-11-06 1993-11-09 G&W Electric Company Method of assembling rotary puffer switch
DE4336951A1 (de) * 1993-10-29 1995-05-04 Abb Management Ag Hochspannungsschaltgerät
FR2758916B1 (fr) * 1997-01-30 1999-04-02 Gec Alsthom T & D Sa Capot pare effluves
IT1313732B1 (it) * 1999-09-15 2002-09-17 Abb Ricerca Spa Apparecchiatura di interruzione e sezionamento isolata in gas
US6723939B2 (en) 2002-09-11 2004-04-20 Eaton Corporation Isolation switch for electric power systems
DE10325683B3 (de) * 2003-06-02 2004-12-09 Siemens Ag Trennschalteranordnung
CN106971898A (zh) * 2017-05-24 2017-07-21 仪征普菲特电器有限公司 一种超大电流高压隔离开关

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1590218A1 (de) * 1966-04-01 1970-05-06 Calor Emag Elek Zitaets Ag Von einem Hochspannungstransformator gespeiste Hochspannungsschaltanlage
CH556610A (de) * 1973-10-03 1974-11-29 Sprecher & Schuh Ag Schaltgeraet mit kuehlungsvorrichtung fuer metallgekapselte hochspannungs-schaltanlagen.
NL160439C (nl) * 1975-04-07 1979-10-15 Coq Bv Vermogensschakelaar voor hoge spanning met bolvormig metalen vat.
US4107498A (en) * 1976-01-15 1978-08-15 Westinghouse Electric Corp. Disconnect switch and drive mechanism therefor
US4029923A (en) * 1976-01-15 1977-06-14 Westinghouse Electric Corporation Magnetizing current switch
US4317973A (en) * 1976-01-15 1982-03-02 Westinghouse Electric Corp. Disconnect switch and drive mechanism therefor
JPS5398068A (en) * 1977-02-05 1978-08-26 Nissin Electric Co Ltd 33phase simultaneous gas sealed breaker
CH625916A5 (en) * 1978-03-06 1981-10-15 Sprecher & Schuh Ag Single-pole or multi-pole disconnecter switch arrangement for encapsulated switching installations
JPS5973819A (ja) * 1982-10-19 1984-04-26 三菱電機株式会社 ガス絶縁開閉装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19540777A1 (de) * 1995-11-02 1997-05-07 Asea Brown Boveri Elektrisches Schaltgerät

Also Published As

Publication number Publication date
EP0205397A1 (fr) 1986-12-17
JPS61288328A (ja) 1986-12-18
JPH028409B2 (fr) 1990-02-23
SU1477255A3 (ru) 1989-04-30
DE3521945A1 (de) 1986-12-18
BR8602750A (pt) 1987-02-10
UA6013A1 (uk) 1994-12-29
DE3661975D1 (en) 1989-03-02
CA1283152C (fr) 1991-04-16
US4659886A (en) 1987-04-21

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