EP0285545A1 - Electrical high-tension circuit breaker, in particular a pressurized-gas circuit breaker - Google Patents

Electrical high-tension circuit breaker, in particular a pressurized-gas circuit breaker Download PDF

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Publication number
EP0285545A1
EP0285545A1 EP88730070A EP88730070A EP0285545A1 EP 0285545 A1 EP0285545 A1 EP 0285545A1 EP 88730070 A EP88730070 A EP 88730070A EP 88730070 A EP88730070 A EP 88730070A EP 0285545 A1 EP0285545 A1 EP 0285545A1
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EP
European Patent Office
Prior art keywords
circuit breaker
connection
bores
electrical high
plate
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.)
Granted
Application number
EP88730070A
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German (de)
French (fr)
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EP0285545B1 (en
Inventor
Heiner Marin
Dieter Noack
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Siemens AG
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Siemens AG
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Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to AT88730070T priority Critical patent/ATE83336T1/en
Publication of EP0285545A1 publication Critical patent/EP0285545A1/en
Application granted granted Critical
Publication of EP0285545B1 publication Critical patent/EP0285545B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H33/025—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches

Definitions

  • the invention relates to an electrical high-voltage circuit breaker, in particular a compressed gas circuit breaker, the interrupter units of which are terminated on the outer end faces in each case with connection plates which have a connection surface for lines which are fastened there.
  • connection surfaces are formed from approaches on the connection plates. This requires a large number of differently designed connection plates, since both the orientation of the connection surfaces can change depending on the switchgear in which the circuit breaker is to be installed, as well as the arrangement and dimensioning of the fastening means on the connection surfaces with which the switch guided electrical cables, especially outdoor cables, are attached. Since the connection plates form a part that closes the interior of the interrupter units, each individual switch must therefore be manufactured exactly according to its intended use.
  • the present invention has for its object to simplify the structure of the high-voltage circuit breaker by a different construction of the connection plates.
  • connection surface is formed as a separate component opposite the connection plate, on both components there are holes for receiving fastening means which connect the component with the connection surface to the connection plate, the holes in the connection plate not impairing the closure of the interior of the interrupter units and the division or arrangement of the corresponding bores on both components enables the connection surface to be fastened by 90 ° to the connection plate.
  • FIG. 1 shows a partially sectioned view of an interrupter unit of an electrical high-voltage circuit breaker.
  • Figures 2 and 3 are views of a component with a connection surface from different Directions shown.
  • the interrupter unit 1 In an electrical compressed gas high-voltage circuit breaker filled with SF6, the interrupter unit 1 is arranged on a support column 2.
  • the outer end face 3 of the interrupter unit 1 is closed gas-tight with a connecting plate 4.
  • it is connected to the mounting flange 5 of the interrupter unit 1 in a suitable manner with bolts 6.

Abstract

A high-voltage compressed-gas circuit breaker having terminal plates with a contact face for incoming cables. The position of these contact faces and the attachment devices on the contact faces for the connection of the cables varies according to the form of installation given in the switching equipment. The contact faces are formed as a separate part from the terminal plate. On both the separate part and the terminal plate, bores for connection of the part and the plate are provided which do not affect the sealing by the terminal plates of the interior of the interrupter unit at its outer end faces. The bores permit an attachment of the separate part to the contact face in either a first position, or a second position which is rotated by 90 DEG from said first position.

Description

Die Erfindung bezieht sich auf einen elektrischen Hochspan­nungs-Leistungsschalter, insbesondere Druckgas-Leistungs­schalter, dessen Unterbrechereinheiten an den äußeren Stirn­flächen jeweils mit Anschlußplatten abgeschlossen sind, die eine Anschlußfläche für Leitungen aufweisen, die dort befestigt werden.The invention relates to an electrical high-voltage circuit breaker, in particular a compressed gas circuit breaker, the interrupter units of which are terminated on the outer end faces in each case with connection plates which have a connection surface for lines which are fastened there.

Ein derartiger elektrischer Hochspannungs-Leistungsschalter, nämlich ein mit SF₆ gefüllter Druckgas-Leistungsschalter, ist aus der Siemens-Druckschrift "SF₆-Leistungsschalter 3 AS1" (Bestellnummer E 122/1564-220) bekannt. Bei diesem bekannten Leistungsschalter werden die Anschlußflächen aus Ansätzen an den Anschlußplatten gebildet. Dies erfordert eine Vielzahl von unterschiedlich ausgeführten Anschlußplatten, da sowohl die Ausrichtung der Anschlußflächen in Abhängigkeit von der Schalt­anlage wechseln kann, in die der Leistungsschalter eingebaut werden soll, als auch die Anordnung und die Bemessung der Befestigungsmittel auf den Anschlußflächen, mit denen dort die zum Schalter geführten elektrischen Leitungen, insbesondere Freiluftleitungen, befestigt werden. Da die Anschlußplatten ein den Innenraum der Unterbrechereinheiten abschließendes Teil bilden, muß somit jeder einzelne Schalter genau seiner Einsatzbestimmung nach gefertigt werden.Such an electrical high-voltage circuit breaker, namely a compressed gas circuit breaker filled with SF₆, is known from the Siemens publication “SF₆ circuit breaker 3 AS1” (order number E 122 / 1564-220). In this known circuit breaker, the connection surfaces are formed from approaches on the connection plates. This requires a large number of differently designed connection plates, since both the orientation of the connection surfaces can change depending on the switchgear in which the circuit breaker is to be installed, as well as the arrangement and dimensioning of the fastening means on the connection surfaces with which the switch guided electrical cables, especially outdoor cables, are attached. Since the connection plates form a part that closes the interior of the interrupter units, each individual switch must therefore be manufactured exactly according to its intended use.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, den Auf­bau des Hochspannungs-Leistungsschalters durch eine andere Konstruktion der Anschlußplatten zu vereinfachen.The present invention has for its object to simplify the structure of the high-voltage circuit breaker by a different construction of the connection plates.

Zur Lösung dieser Aufgabe ist bei einem elektrischen Hochspannungs-Leistungsschalter der eingangs beschriebenen Art gemäß der Erfindung die Anschlußfläche als separater Bauteil gegenüber der Anschlußplatte ausgebildet, an beiden Bauteilen sind Bohrungen zur Aufnahme von Befestigungsmittel vorgesehen, welche den Bauteil mit der Anschlußfläche mit der Anschluß­platte verbinden, wobei die Bohrungen in der Anschlußplatte den Verschluß des Innenraums der Unterbrechereinheiten nicht beein­trächtigen und die Teilung bzw. Anordnung der entsprechenden Bohrungen auf beiden Bauteilen ermöglicht eine um 90° umsetz­bare Befestigung der Anschlußfläche an der Anschlußplatte.To solve this problem is in an electrical high-voltage circuit breaker of the type described above According to the invention, the connection surface is formed as a separate component opposite the connection plate, on both components there are holes for receiving fastening means which connect the component with the connection surface to the connection plate, the holes in the connection plate not impairing the closure of the interior of the interrupter units and the division or arrangement of the corresponding bores on both components enables the connection surface to be fastened by 90 ° to the connection plate.

Die in Hinblick auf spätere Einbauarten des Leistungsschalters in der Schaltanlage allein zu variierende Anschlußfläche für die ankommenden bzw. abgehenden Leitungen ist also von der Anschlußplatte, die auch gleichzeitig Teil der Unterbrecher­einheit ist und deren Innenraum verschließt, getrennt. Die Anschlußplatte ist somit ein Bauteil, der eindeutig der Unterbrechereinheit zugeordnet ist, so daß deren Fertigung, mithin auch die des Leistungsschalters und dessen Gasfüllung, vollkommen abgeschlossen werden kann, ohne daß zu entscheiden ist, welche Variante der Anschlußfläche an der Anschlußplatte angebracht werden muß. Diese Austauschbarkeit der Anschluß­flächen untereinander ist möglich, weil die Bohrungen in der Anschlußplatte für die Aufnahme des Bauteils mit der Anschluß­fläche den Verschluß des Innenraums der Unterbrechereinheit nicht beeinträchtigen und von außen leicht zugänglich sind. Außerdem ist die Teilung bzw. Anordnung dieser Bohrungen so gewählt, daß die Anschlußfläche um 90° gegenüber der Anschlußplatte umsetzbar ist. Dadurch lassen sich praktisch alle Anbauvariationen erfassen.The connection surface for the incoming and outgoing lines, which can only be varied with regard to later installation types of the circuit breaker in the switchgear assembly, is therefore separate from the connection plate, which is also part of the interrupter unit and closes the interior thereof. The connection plate is thus a component that is clearly assigned to the interrupter unit, so that its manufacture, and consequently also that of the circuit breaker and its gas filling, can be completely completed without having to decide which variant of the connection surface has to be attached to the connection plate. This interchangeability of the connection surfaces is possible because the bores in the connection plate for receiving the component with the connection surface do not impair the closure of the interior of the interrupter unit and are easily accessible from the outside. In addition, the division or arrangement of these holes is chosen so that the connection surface can be implemented by 90 ° with respect to the connection plate. This means that practically all cultivation variations can be recorded.

Im folgenden sei die Erfindung noch anhand des in den Figuren 1 bis 3 der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Die Figur 1 zeigt eine teilweise geschnittene Ansicht einer Unterbrechereinheit eines elektrischen Hochspan­nungs-Leistungsschalters. In den Figuren 2 und 3 sind Ansichten eines Bauteils mit Anschlußfläche aus unterschiedlichen Richtungen dargestellt.The invention will be explained in more detail below with reference to the exemplary embodiment shown in FIGS. 1 to 3 of the drawing. FIG. 1 shows a partially sectioned view of an interrupter unit of an electrical high-voltage circuit breaker. In Figures 2 and 3 are views of a component with a connection surface from different Directions shown.

Bei einem mit SF₆ gefüllten elektrischen Druckgas-Hochspan­nungs-Leistungsschalter ist die Unterbrechereinheit 1 auf einer Stützersäule 2 angeordnet. Die äußere Stirnfläche 3 der Unterbrechereinheit 1 ist mit einer Anschlußplatte 4 gasdicht verschlossen. Sie ist dazu mit dem Befestigungsflansch 5 der Unterbrechereinheit 1 in geeigneter Weise mit Bolzen 6 verbunden.In an electrical compressed gas high-voltage circuit breaker filled with SF₆, the interrupter unit 1 is arranged on a support column 2. The outer end face 3 of the interrupter unit 1 is closed gas-tight with a connecting plate 4. For this purpose, it is connected to the mounting flange 5 of the interrupter unit 1 in a suitable manner with bolts 6.

Die Anschlußplatte 4 enthält weiterhin auf einem Kreisumfang mit gleichmäßiger Teilung angeordnete Gewindebohrungen 7, die als Sacklöcher ausgebildet sind. Diese Gewindebohrungen 7 dienen zur Befestigung des gegenüber der Anschlußplatte 4 separat ausgebildeten Bauteils 8 mit der Anschlußfläche 9. Dieser Bauteil 8 weist einen senkrecht zu der Anschlußfläche 9 stehenden Flansch 10 auf, in dem die Bohrungen 11 zur Befesti­gung an der Anschlußplatte 4 liegen. Diese Bohrungen 11 haben die gleiche Teilung und liegen auf dem gleichen Kreisumfang wie die Gewindebohrungen 7 in der Anschlußplatte 4. Die Teilung der Bohrungen 7 bzw. 11 ist so gewählt, daß die Anschlußfläche 9 auf der Anschlußplatte 4 um 90° umsetzbar ist. Der Bauteil 8 ist dann in der gewünschten Lage mit Schrauben 12 zu der Anschlußplatte 4 befestigt.The connection plate 4 further includes threaded holes 7 arranged on a circumference with a uniform pitch, which are designed as blind holes. These threaded holes 7 are used to fasten the component 8, which is formed separately from the connecting plate 4, to the connecting surface 9. This component 8 has a flange 10 which is perpendicular to the connecting surface 9 and in which the bores 11 lie for fastening to the connecting plate 4. These holes 11 have the same pitch and lie on the same circumference as the threaded holes 7 in the connection plate 4. The division of the holes 7 and 11 is selected so that the connection surface 9 on the connection plate 4 can be implemented by 90 °. The component 8 is then fastened in the desired position with screws 12 to the connection plate 4.

Der Bauteil 8 mit der Anschlußfläche 9 kann jederzeit an der gasdicht verschlossenen Unterbrechereinheit 1 des elektrischen Hochspannungs-Leistungsschalters angeschlossen oder wieder abgenommen werden, ohne daß dies den betriebsbereiten Zustand des gasgefüllten Leistungsschalters beeinträchtigt, weil dazu die Unterbrechereinheit 1 nicht geöffnet werden muß. Dies ermöglicht eine leichte Anpassung der Anschlußfläche 9 an geänderte Einbaugegebenheiten sowohl hinsichtlich ihrer Lage, da eine Umsetzbarkeit um 90° gegeben ist, als auch hinsichtlich der Anordnung und Bemessung der in der Anschlußfläche 9 vorgesehenen Befestigungsbohrungen 13 zur Aufnahme der Befestigungsmittel, mit denen die Verbindung zu den ankommenden bzw. abgehenden, nicht dargestellten Freileitungen vorgenommen wird. Bei einer Änderung der Erfordernisse hinsichtlich Anordnung und Bemessung dieser Befestigungsbohrungen 13 auf der Anschlußfläche 9, z. B. infolge anderer Normen, kann das Auswechseln der Bauteile 8 also in einfachster Weise vorgenommen werden.The component 8 with the connecting surface 9 can be connected to the gas-tight interrupter unit 1 of the electrical high-voltage circuit breaker or removed again at any time without this affecting the operational state of the gas-filled circuit breaker because the interrupter unit 1 does not have to be opened for this. This enables the connection surface 9 to be easily adapted to changed installation conditions both with regard to its position, since it can be implemented by 90 °, and also with regard to the arrangement and dimensioning of the fastening bores 13 provided in the connection surface 9 for receiving the Fasteners with which the connection to the incoming or outgoing, not shown overhead lines is made. When changing the requirements with regard to the arrangement and dimensioning of these mounting holes 13 on the connecting surface 9, z. B. due to other standards, the replacement of the components 8 can be made in the simplest way.

Claims (4)

1. Elektrischer Hochspannungs-Leistungsschalter, insbesondere Druckgas-Leistungsschalter, dessen Unterbrechereinheiten (1) an den äußeren Stirnflächen (3) jeweils mit Anschlußplatten (4) abgeschlossen sind, die eine Anschlußfläche (9) für Leitungen aufweisen, die dort befestigt werden,
dadurch gekennzeichnet, daß die Anschlußfläche (9) als separater Bauteil (8) gegenüber der Anschlußplatte (4) ausgebildet ist, daß an beiden Bauteilen (4, 8) Bohrungen (7, 11) zur Aufnahme von Befestigungsmitteln (12) vorgesehen sind, welche den Bau­teil (8) mit der Anschlußfläche (9) mit der Anschlußplatte (4) verbinden, wobei die Bohrungen (7) in der Anschlußplatte (4) den Verschluß des Innenraums der Unterbrechereinheit (1) nicht beeinträchtigen, und
daß die Teilung bzw. Anordnung der entsprechenden Bohrungen (7, 11) auf beiden Bauteilen (4, 8) eine um 90° umsetzbare Befesti­gung der Anschlußfläche (9) an der Anschlußplatte (4) ermöglicht.1. Electrical high-voltage circuit breaker, in particular compressed gas circuit breaker, the interrupter units (1) of which are terminated on the outer end faces (3) in each case with connection plates (4) which have a connection surface (9) for lines which are fastened there,
characterized in that the connection surface (9) is designed as a separate component (8) with respect to the connection plate (4), that bores (7, 11) are provided on both components (4, 8) for receiving fastening means (12) which connect the component (8) with the connection surface (9) to the connection plate (4), the bores (7) in the connection plate (4) not impairing the closure of the interior of the interrupter unit (1), and
that the division or arrangement of the corresponding bores (7, 11) on both components (4, 8) enables the connection surface (9) to be attached to the connection plate (4) by 90 °. 2. Elektrischer Hochspannungs-Leistungsschalter nach Anspruch 1,
dadurch gekennzeichnet, daß der Bauteil (8) mit der Anschlußfläche (9) einen senkrecht zu dieser stehenden Flansch (10) aufweist, in dem die Bohrungen (11) zur Befestigung an der Anschlußplatte (4) liegen.2. Electrical high-voltage circuit breaker according to claim 1,
characterized in that the component (8) with the connection surface (9) has a flange (10) perpendicular to the latter, in which the bores (11) for fastening to the connection plate (4) lie. 3. Elektrischer Hochspannungs-Leistungsschalter nach Anspruch 2,
dadurch gekennzeichnet, daß die Bohrun­gen (7, 11) im Flansch (10) und in der Anschlußplatte (4) mit gleichmäßiger Teilung auf einem gleichen Kreisumfang liegen.3. Electrical high-voltage circuit breaker according to claim 2,
characterized in that the bores (7, 11) in the flange (10) and in the connecting plate (4) lie on an equal circumference with uniform division. 4. Elektrischer Hochspannungs-Leistungsschalter nach Anspruch 1,
dadurch gekennzeichnet, daß die Bohrungen (7) in der Anschlußplatte (4) als Sacklöcher ausgebildet sind.4. Electrical high-voltage circuit breaker according to claim 1,
characterized in that the bores (7) in the connection plate (4) are designed as blind holes.
EP88730070A 1987-04-01 1988-03-22 Electrical high-tension circuit breaker, in particular a pressurized-gas circuit breaker Expired - Lifetime EP0285545B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88730070T ATE83336T1 (en) 1987-04-01 1988-03-22 HIGH VOLTAGE ELECTRICAL CIRCUIT BREAKER, ESPECIALLY COMPRESSED GAS CIRCUIT BREAKER.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8704828U 1987-04-01
DE8704828U DE8704828U1 (en) 1987-04-01 1987-04-01

Publications (2)

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EP0285545A1 true EP0285545A1 (en) 1988-10-05
EP0285545B1 EP0285545B1 (en) 1992-12-09

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Application Number Title Priority Date Filing Date
EP88730070A Expired - Lifetime EP0285545B1 (en) 1987-04-01 1988-03-22 Electrical high-tension circuit breaker, in particular a pressurized-gas circuit breaker

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US (1) US4823232A (en)
EP (1) EP0285545B1 (en)
AT (1) ATE83336T1 (en)
DE (2) DE8704828U1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002135921A (en) * 2000-10-26 2002-05-10 Mitsubishi Electric Corp Gas insulated switchgear and its resin molded bushing

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1754833A (en) * 1927-05-19 1930-04-15 Westinghouse Electric & Mfg Co High-voltage structure
US2660631A (en) * 1951-08-13 1953-11-24 Gen Electric Side break disconnecting switch
US3352988A (en) * 1965-04-09 1967-11-14 Allis Chalmers Mfg Co Means for mounting and electrically interconnecting circuit interrupting devices
DE2712066A1 (en) * 1977-03-15 1978-09-21 Siemens Ag Isolating switch with rotating contacts for high current - has two parallel contact rods supported against rotary section and groove pivot

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1878016A (en) * 1929-11-22 1932-09-20 Line Material Co Pothead
US2228089A (en) * 1938-10-18 1941-01-07 Westinghouse Electric & Mfg Co Transformer bushing
US4031311A (en) * 1976-03-15 1977-06-21 Westinghouse Electric Corporation Electrical bushing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1754833A (en) * 1927-05-19 1930-04-15 Westinghouse Electric & Mfg Co High-voltage structure
US2660631A (en) * 1951-08-13 1953-11-24 Gen Electric Side break disconnecting switch
US3352988A (en) * 1965-04-09 1967-11-14 Allis Chalmers Mfg Co Means for mounting and electrically interconnecting circuit interrupting devices
DE2712066A1 (en) * 1977-03-15 1978-09-21 Siemens Ag Isolating switch with rotating contacts for high current - has two parallel contact rods supported against rotary section and groove pivot

Also Published As

Publication number Publication date
ATE83336T1 (en) 1992-12-15
US4823232A (en) 1989-04-18
DE8704828U1 (en) 1988-07-28
EP0285545B1 (en) 1992-12-09
DE3876471D1 (en) 1993-01-21

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