EP0149470A2 - Hochspannungsschalter mit Lichtbogenbeblasung - Google Patents

Hochspannungsschalter mit Lichtbogenbeblasung Download PDF

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Publication number
EP0149470A2
EP0149470A2 EP85100183A EP85100183A EP0149470A2 EP 0149470 A2 EP0149470 A2 EP 0149470A2 EP 85100183 A EP85100183 A EP 85100183A EP 85100183 A EP85100183 A EP 85100183A EP 0149470 A2 EP0149470 A2 EP 0149470A2
Authority
EP
European Patent Office
Prior art keywords
volume
circuit breaker
arc
tube
contacts
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
EP85100183A
Other languages
English (en)
French (fr)
Other versions
EP0149470A3 (en
EP0149470B1 (de
Inventor
Van Doan Pham
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.)
Alstom SA
Original Assignee
Alstom SA
Alsthom Atlantique SA
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 Alstom SA, Alsthom Atlantique SA filed Critical Alstom SA
Priority to AT85100183T priority Critical patent/ATE31995T1/de
Publication of EP0149470A2 publication Critical patent/EP0149470A2/de
Publication of EP0149470A3 publication Critical patent/EP0149470A3/fr
Application granted granted Critical
Publication of EP0149470B1 publication Critical patent/EP0149470B1/de
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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/901—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism making use of the energy of the arc or an auxiliary 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
    • H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
    • H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
    • H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
    • H01H33/901—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism making use of the energy of the arc or an auxiliary arc
    • H01H2033/902—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism making use of the energy of the arc or an auxiliary arc with the gases from hot space and compression volume following different paths to arc space or nozzle, i.e. the compressed gases do not pass through hot volume

Definitions

  • the invention relates to a high-voltage circuit-breaker with arc blowing, of the pressurized gas type, the cutting chamber of which comprises a volume in which the gas, heated by the cutting arc and the pressure of which increases this fact is used to extinguish the arc, thanks to its relaxation at the time of the zero crossing of the value of the intensity of the current to be cut.
  • the gas is for example sulfur hexafluoride.
  • volume 9 contains gases pressurized by heating by the arc and, for this reason is called thermal volume; the volume 13 conveys the air passed through the piston 12; for this reason we will call it compression volume.
  • An object of the invention is to improve the blowing effect without increasing the operating energy.
  • the gases from the thermal and compression volumes pass through nozzles which direct separate blowing jets oriented respectively on each of the roots of the arc.
  • the subject of the invention is a high-voltage circuit-breaker with arc blowing of the pressurized gas type comprising a first volume in which the pressure increases by heating by the cutting arc, the gas of this volume expanding to blow the arc at the moment of the zero crossing of the current to be cut and a second volume in which the gas is compressed by a piston at the start of the circuit breaker opening phase and directed on the arc in the subsequent phases, the circuit breaker comprising main fixed contacts, fixed spark arrester contacts main movable contacts and movable spark arrester contacts, the arc extending during the opening of the circuit breaker, between the spark arrester contacts, the first volume and the second volume being arranged on either side of the arc zone, characterized in that said volumes are annular and terminated by nozzles directing separate blowing jets oriented respectively on each of the roots of the arc.
  • Figure 2 partially shows the circuit breaker in the closed position.
  • the cut-off assembly is coaxial with the envelope; an annular volume 71 separates it from the envelope.
  • the set of fixed contacts comprises main contact fingers 21, rPixed to a contact holder 22 connected to a contact tube 23; the contact carrier 22 also serves as a support for the spark arrester contact fingers 24 and is extended on the axis side of the circuit breaker by a cylindrical part 22A terminated by a zone 22B made of material resistant to the effects of electric arcs.
  • the contact carrier 22 also serves as a support for an axial cylindrical sleeve 25 terminated by an insulating nozzle 26.
  • the sleeve 25 and the nozzle 26 define with the cylindrical part 22A a cylindrical volume 27 of annular section, which, as will be seen below, plays the role of thermal volume during opening of the circuit breaker.
  • the tubes 31 and 34 are integral with each other and integral with an operating rod, not shown.
  • a cylindrical wall 35 coaxial with the tubes 31 and 34 makes it possible to define two volumes of annular section, 37 and 38.
  • the volume 38 comprises a tube 41 carrying at one end an insulating nozzle 42 which, when the circuit breaker is in the closed position, comes to bear on the nozzle 26.
  • the other end of the tube 41 carries a piston 43 sliding in leaktight manner in the volume 38.
  • the piston is pushed by a spring 44 resting on a step 45 of the tube 35.
  • the nozzle 42 remains applied to the nozzle 26 by the action of the spring 44.
  • the gas in volume 37 begins to compress under the action of the fixed piston 39, volumes 37 and 38 being closed by the application of contacts 34A on nozzle 42.
  • FIG. 4 shows the phase of the cut-off in which the piston 43 reaches the end of its travel, but where the nozzle 42 is still applied on nozzle 26.
  • the relative position of the nozzle 42 and the spark arrester tube 34A has become fixed and defines an annular orifice 50 through which one of the roots of the arc begins to be blown by the gas compressed by the piston 39.
  • a double blowing of the arc is thus obtained, the directions of which apply to the two ends or roots of the arc, as shown by the arrows F1 and F2 in FIG. 4.
  • the arc is blown vigorously and the effect back pressure on the piston is limited, so that the energy required for opening is low.
  • Figure 6 shows the circuit breaker at the end of the cut-off period.
  • the large opening 70 allows rapid cooling of the gases.

Landscapes

  • Circuit Breakers (AREA)
  • Organic Insulating Materials (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
EP85100183A 1984-01-13 1985-01-10 Hochspannungsschalter mit Lichtbogenbeblasung Expired EP0149470B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85100183T ATE31995T1 (de) 1984-01-13 1985-01-10 Hochspannungsschalter mit lichtbogenbeblasung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8400474A FR2558299B1 (fr) 1984-01-13 1984-01-13 Disjoncteur a haute tension a soufflage d'arc
FR8400474 1984-01-13

Publications (3)

Publication Number Publication Date
EP0149470A2 true EP0149470A2 (de) 1985-07-24
EP0149470A3 EP0149470A3 (en) 1985-08-14
EP0149470B1 EP0149470B1 (de) 1988-01-13

Family

ID=9300085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85100183A Expired EP0149470B1 (de) 1984-01-13 1985-01-10 Hochspannungsschalter mit Lichtbogenbeblasung

Country Status (5)

Country Link
US (1) US4577074A (de)
EP (1) EP0149470B1 (de)
AT (1) ATE31995T1 (de)
DE (1) DE3561429D1 (de)
FR (1) FR2558299B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575323A1 (fr) * 1984-12-20 1986-06-27 Alsthom Atlantique Disjoncteur a gaz comprime
FR2586136A1 (fr) * 1985-08-09 1987-02-13 Alsthom Disjoncteur a hexafluorure de soufre a haute densite
EP0458236A1 (de) * 1990-05-23 1991-11-27 Gec Alsthom Sa Mittelspannungsschalter
FR2711013A1 (fr) * 1993-10-04 1995-04-14 Gec Alsthom T & D Sa Disjoncteur à grande tension d'arc.

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2647255B1 (fr) * 1989-05-17 1993-04-23 Alsthom Gec Disjoncteur a haute tension a gaz dielectrique de soufflage
DE19517615A1 (de) * 1995-05-13 1996-11-14 Abb Research Ltd Leistungsschalter
DE19533794A1 (de) * 1995-09-13 1997-03-20 Abb Patent Gmbh Metallgekapselter, gasisolierter Hochspannungsschalter
DE10226044A1 (de) * 2002-06-12 2003-12-24 Alstom Druckgasschalter
FR2937179A1 (fr) 2008-10-09 2010-04-16 Areva T & D Sa Chambre de coupure pour disjoncteur haute tension a soufflage d'arc ameliore
DE102009009451A1 (de) * 2009-02-13 2010-08-19 Siemens Aktiengesellschaft Schaltgeräteanordnung mit einer Schaltstrecke
FR2949170B1 (fr) * 2009-08-14 2011-11-25 Areva T & D Sas Chambre de coupure pour disjoncteur a moyenne ou haute tension a energie de manoeuvre reduite
CN106504940A (zh) * 2016-12-23 2017-03-15 中国西电电气股份有限公司 一种断路器的双动触头传动装置
EP3355332B1 (de) * 2017-01-27 2020-02-26 General Electric Technology GmbH Schutzschalter mit einer doppelwand um seine thermische kammer

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR890516A (fr) * 1942-07-30 1944-02-10 Delle Atel Const Electr Disjoncteur électrique à soufflage pneumatique à pression constante
DE1127442B (de) * 1959-06-10 1962-04-12 Siemens Ag Elektrischer Fluessigkeitsschalter
CH517371A (de) * 1970-06-24 1971-12-31 Bbc Brown Boveri & Cie Elektrischer Kompressionsschalter
FR2373141A1 (fr) * 1976-12-06 1978-06-30 Cem Comp Electro Mec Appareil electrique de coupure a haute tension, notamment un disjoncteur a autosoufflage de l'arc de coupure par un gaz
EP0021951A1 (de) * 1979-06-14 1981-01-07 Merlin Gerin Selbstbeblasender Schalter mit Saugwirkung
DE2948976A1 (de) * 1979-07-10 1981-02-05 Sprecher & Schuh Ag Druckgasschalter
EP0035581A1 (de) * 1980-03-10 1981-09-16 Sprecher & Schuh AG Druckgasschalter
FR2506511A1 (fr) * 1981-05-19 1982-11-26 Mitsubishi Electric Corp Disjoncteur a gaz
EP0067460A1 (de) * 1981-06-12 1982-12-22 BBC Brown Boveri AG Hochspannungsleistungsschalter
FR2519470A1 (fr) * 1982-01-05 1983-07-08 Alsthom Atlantique Disjoncteur a gaz comprime
FR2520928A1 (fr) * 1982-02-04 1983-08-05 Alsthom Atlantique Disjoncteur a auto-soufflage pneumatique

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR890516A (fr) * 1942-07-30 1944-02-10 Delle Atel Const Electr Disjoncteur électrique à soufflage pneumatique à pression constante
DE1127442B (de) * 1959-06-10 1962-04-12 Siemens Ag Elektrischer Fluessigkeitsschalter
CH517371A (de) * 1970-06-24 1971-12-31 Bbc Brown Boveri & Cie Elektrischer Kompressionsschalter
FR2373141A1 (fr) * 1976-12-06 1978-06-30 Cem Comp Electro Mec Appareil electrique de coupure a haute tension, notamment un disjoncteur a autosoufflage de l'arc de coupure par un gaz
EP0021951A1 (de) * 1979-06-14 1981-01-07 Merlin Gerin Selbstbeblasender Schalter mit Saugwirkung
DE2948976A1 (de) * 1979-07-10 1981-02-05 Sprecher & Schuh Ag Druckgasschalter
EP0035581A1 (de) * 1980-03-10 1981-09-16 Sprecher & Schuh AG Druckgasschalter
FR2506511A1 (fr) * 1981-05-19 1982-11-26 Mitsubishi Electric Corp Disjoncteur a gaz
EP0067460A1 (de) * 1981-06-12 1982-12-22 BBC Brown Boveri AG Hochspannungsleistungsschalter
FR2519470A1 (fr) * 1982-01-05 1983-07-08 Alsthom Atlantique Disjoncteur a gaz comprime
FR2520928A1 (fr) * 1982-02-04 1983-08-05 Alsthom Atlantique Disjoncteur a auto-soufflage pneumatique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575323A1 (fr) * 1984-12-20 1986-06-27 Alsthom Atlantique Disjoncteur a gaz comprime
FR2586136A1 (fr) * 1985-08-09 1987-02-13 Alsthom Disjoncteur a hexafluorure de soufre a haute densite
EP0458236A1 (de) * 1990-05-23 1991-11-27 Gec Alsthom Sa Mittelspannungsschalter
FR2662540A1 (fr) * 1990-05-23 1991-11-29 Alsthom Gec Disjoncteur a moyenne tension.
US5155313A (en) * 1990-05-23 1992-10-13 Gec Alsthom Sa Medium tension circuit-breaker
FR2711013A1 (fr) * 1993-10-04 1995-04-14 Gec Alsthom T & D Sa Disjoncteur à grande tension d'arc.

Also Published As

Publication number Publication date
EP0149470A3 (en) 1985-08-14
DE3561429D1 (en) 1988-02-18
FR2558299A1 (fr) 1985-07-19
ATE31995T1 (de) 1988-01-15
FR2558299B1 (fr) 1987-03-20
EP0149470B1 (de) 1988-01-13
US4577074A (en) 1986-03-18

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