EP0067460B2 - Disjoncteur de puissance pour haute tension - Google Patents
Disjoncteur de puissance pour haute tension Download PDFInfo
- Publication number
- EP0067460B2 EP0067460B2 EP82200527A EP82200527A EP0067460B2 EP 0067460 B2 EP0067460 B2 EP 0067460B2 EP 82200527 A EP82200527 A EP 82200527A EP 82200527 A EP82200527 A EP 82200527A EP 0067460 B2 EP0067460 B2 EP 0067460B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- annular
- space
- annular space
- compression
- piston
- 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 - Lifetime
Links
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
- H01H33/70—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
- H01H33/903—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 and assisting the operating mechanism
-
- 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
-
- 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
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
Definitions
- the invention relates to a high-voltage circuit breaker according to the preamble of patent claim 1.
- Such a switch emerges from DE-A-2 500 095.
- a compression space and a heating volume open into an annular area which is delimited by the movable contact piece and a blowing nozzle and is adjacent to the extinguishing section.
- check valves located between the compression space and the heating volume are closed.
- hot extinguishing gas can be stored in the heating volume, at least for a short time, which can also penetrate into the ring-shaped area due to the prevailing pressure conditions.
- a turbulent boundary layer of hot extinguishing gas from the heating volume and cool extinguishing gas from the compression volume should form at an edge protruding into the annular area.
- This switch has a complex valve system for controlling the pressure conditions in the compression space and heating volume and also requires a comparatively strong drive.
- Switches are also known from the European patent application EP-A-0 021 951 and the German patent application DE-A-2 404 721, in which the switching arc drawn between the contact pieces during a switching operation switches around a coil through which the current to be switched off flows under the action of the magnetic field an axis rotates. This increases the heating effect of the switching arc in a quenching chamber and, when the current to be switched off is zero, heated gas is available for blowing the switching arc.
- a piston-cylinder compression device is provided in each of these switches, through which gas is sucked out of the quenching chamber through the quenching path located between the contact pieces. With this switch, at least in the initial phase of the quenching process, only hot quenching gas is used to blow the switching arc, so that a re-ignition of the switching arc after a current zero crossing cannot be ruled out.
- German patent application DE-A-2 349 263 also describes a switch with a combustion chamber in which an auxiliary arc lying in series with the switching arc is ignited during a switching operation.
- This auxiliary arc heats up the gas in the combustion chamber, which supports the drive of the switch.
- This switch has a piston-cylinder compression device for blowing the switching arc. With this switch, comparatively fresh gas is available for blowing the switching arc, but such a switch is relatively complex.
- switches are known from French patent application FR-A-2 373 141 and German patent application DE-A-2 741 022, in which the quenching gas located in a closed chamber is essentially heated and compressed by an arc rotating under the action of a magnetic field becomes.
- the gas pressure in the heating chamber rises sharply and, above a predetermined pressure value, a wall delimiting the heating chamber is moved into a further closed chamber.
- fresh quenching gas located in this chamber is compressed and then used to extinguish the switching arc.
- this switch at least in the initial phase of the extinguishing process, only hot extinguishing gas is used fed.
- the strength of the extinguishing gas blowing depends on the strength of the current to be switched off.
- the invention solves the problem of specifying a switch in which a re-ignition of the switching arc after zero current is avoided with simple means while saving drive energy.
- the circuit breaker according to the invention is characterized in that, despite its simple construction and relatively weak drive, a comparatively large proportion of comparatively fresh quenching gas is available for blowing the switching arc in all switching cases. As a result, effective blowing of the switching arc and thus a favorable extinguishing capacity are achieved in an economical manner.
- a further advantageous embodiment of the circuit breaker according to the invention is specified in dependent claim 2.
- An exemplary embodiment of the invention is shown in simplified form below with reference to the drawing. Here, the only figure shows a plan view of a section through the circuit breaker according to the invention, the high-voltage circuit breaker being indicated in the switch-on position on the left-hand side, while a switch-off phase of the relevant high-voltage circuit-breaker is shown on the right-hand side.
- FIG. 1 shows a top view of a section through the contact arrangement of a high-voltage circuit breaker according to the invention.
- a movable contact piece 1 designed as a nozzle tube engages with contact fingers of a fixed contact piece 2 (see left side).
- An annular electrode 3 is arranged below the fixed contact piece 2 and is electrically conductively connected to one end of a coil 4. The other end of the coil is in electrically conductive connection with the contact piece 2.
- the coil 4 is attached to an insulating body 5, in which annular spaces 6, 7 and 8 are provided.
- the annular space 6 is connected to an annular area 12 via an annular mouth 9, the annular space 8 via an annular channel 10 and an annular mouth 11.
- the annular spaces 6 and 7 are connected to one another via an opening 13 provided in a wall 14.
- annular spaces 7 and 8 are separated from one another by an annular piston 15.
- This ring piston 15 is connected via webs 16 to the movable contact piece 1 and is part of a compression device for extinguishing gas, which is provided in all the spaces and channels specified.
- Check valves 20 are provided on the annular space 8, which prevent a pressure drop in the annular space 8 when the compression device is actuated and enable the inflow of fresh extinguishing gas when switched on.
- the heated, high-pressure quenching gas is stored in the annular space 6.
- a portion of the extinguishing gas stored in the annular space 6 passes through the opening 13 into the annular space 7, in which it exerts a force acting on the annular piston 15 in the switching-off direction and thus supporting the switch drive. This prevents the annular piston 15 from working against the pressure build-up of the extinguishing gas caused by heating and thus resulting in a deceleration of the drive.
- the fresh quenching gas located in the annular space 8 is compressed and flows when the heating effect of the arc 17 diminishes when the current zero crossing approaches, in the direction indicated by arrows via the annular channel 10 to the area 12 and mixes there with the now also from the annular space 6 flowing heated extinguishing gas.
- the mixing of the fresh and the hot extinguishing gas is further supported in that the annular spaces 6 and 8 are separated from one another by the cylindrical wall 14, and in that the wall 14 has an edge 19 projecting into the region 12. The edge 19 creates a turbulent boundary layer between fresh and hot extinguishing gas and thereby promotes their mixing.
- the extinguishing gas which is under high pressure but has cooled considerably, is passed into the extinguishing section located between the movable contact piece 1 and the ring electrode 3, where it blows the arc particularly effectively up to well beyond the zero current point and then via the nozzle-shaped opening of the contact piece 1 enters an expansion room.
Landscapes
- Circuit Breakers (AREA)
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH3860/81 | 1981-06-12 | ||
CH386081 | 1981-06-12 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0067460A1 EP0067460A1 (fr) | 1982-12-22 |
EP0067460B1 EP0067460B1 (fr) | 1985-08-14 |
EP0067460B2 true EP0067460B2 (fr) | 1990-03-21 |
Family
ID=4265025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82200527A Expired - Lifetime EP0067460B2 (fr) | 1981-06-12 | 1982-05-03 | Disjoncteur de puissance pour haute tension |
Country Status (4)
Country | Link |
---|---|
US (1) | US4486632A (fr) |
EP (1) | EP0067460B2 (fr) |
DE (1) | DE3265381D1 (fr) |
YU (1) | YU41383B (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58108624A (ja) * | 1981-12-22 | 1983-06-28 | 三菱電機株式会社 | パツフア−形ガスしや断器 |
CH662443A5 (de) * | 1983-10-28 | 1987-09-30 | Bbc Brown Boveri & Cie | Druckgasschalter. |
FR2558299B1 (fr) * | 1984-01-13 | 1987-03-20 | Alsthom Atlantique | Disjoncteur a haute tension a soufflage d'arc |
DE3437707A1 (de) * | 1984-09-20 | 1986-03-27 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Druckgasschalter |
FR2576142B1 (fr) * | 1985-01-16 | 1987-12-24 | Alsthom Atlantique | Disjoncteur a haute tension, a gaz comprime, a energie de manoeuvre assistee par l'effet thermique de l'arc |
FR2576144B1 (fr) * | 1985-01-16 | 1987-02-06 | Alsthom Atlantique | Disjoncteur a haute tension, a gaz comprime, a faible energie de manoeuvre |
FR2596575B1 (fr) * | 1986-03-26 | 1988-05-20 | Alsthom | Disjoncteur a gaz dielectrique sous pression |
DE3930548C2 (de) * | 1989-09-13 | 1994-05-19 | Licentia Gmbh | Druckgasschalter |
JPH04284319A (ja) * | 1991-03-13 | 1992-10-08 | Hitachi Ltd | ガス遮断器 |
DE19519721C1 (de) * | 1995-05-30 | 1996-10-24 | Aeg Energietechnik Gmbh | Leistungsschalter und Verfahren zur Überwachung des Schalterantriebs |
DE19524637C2 (de) * | 1995-07-06 | 1998-03-12 | Aeg Energietechnik Gmbh | Druckgasschalter |
DE19613569A1 (de) * | 1996-04-04 | 1997-10-09 | Asea Brown Boveri | Leistungsschalter |
GB2332566B (en) * | 1997-12-19 | 2001-09-19 | Rolls Royce Power Eng | Electrical circuit breaker |
DE19816505A1 (de) * | 1998-04-14 | 1999-10-21 | Asea Brown Boveri | Leistungsschalter |
DE19816509B4 (de) * | 1998-04-14 | 2006-08-10 | Abb Schweiz Ag | Abbrandschaltanordnung |
DE19859764A1 (de) * | 1998-12-23 | 2000-06-29 | Abb Research Ltd | Selbstblasschalter |
DE19859766A1 (de) * | 1998-12-23 | 2000-06-29 | Abb Research Ltd | Selbstblasschalter |
DE10226044A1 (de) * | 2002-06-12 | 2003-12-24 | Alstom | Druckgasschalter |
DE502007006438D1 (de) * | 2007-10-16 | 2011-03-17 | Abb Research Ltd | Einem von einem überstromventil gesteuerten entlastungskanal |
FR2937179A1 (fr) * | 2008-10-09 | 2010-04-16 | Areva T & D Sa | Chambre de coupure pour disjoncteur haute tension a soufflage d'arc ameliore |
CN102714112B (zh) * | 2010-02-04 | 2016-01-27 | 三菱电机株式会社 | 气体断路器 |
DE112012005206T5 (de) | 2011-12-13 | 2014-09-18 | Abb Technology Ag | Leistungsschalter mit Fluideinspritzung |
JP6320106B2 (ja) * | 2014-03-25 | 2018-05-09 | 株式会社東芝 | ガス遮断器 |
DE102018211621A1 (de) * | 2018-07-12 | 2020-01-16 | Siemens Aktiengesellschaft | Gasisolierter Schalter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2442010A (en) * | 1943-12-24 | 1948-05-25 | Westinghouse Electric Corp | Circuit interrupter |
DE2349263C2 (de) * | 1973-10-01 | 1982-08-26 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektrischer Druckgasschalter |
DE2404721C2 (de) * | 1974-02-01 | 1987-01-02 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektrischer Druckgasleistungsschalter |
CH568649A5 (fr) * | 1974-07-29 | 1975-10-31 | Sprecher & Schuh Ag | |
EP0021951A1 (fr) * | 1979-06-14 | 1981-01-07 | Merlin Gerin | Interrupteur à autosoufflage par aspiration |
-
1982
- 1982-05-03 DE DE8282200527T patent/DE3265381D1/de not_active Expired
- 1982-05-03 EP EP82200527A patent/EP0067460B2/fr not_active Expired - Lifetime
- 1982-05-27 YU YU1129/82A patent/YU41383B/xx unknown
- 1982-06-11 US US06/387,465 patent/US4486632A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
YU41383B (en) | 1987-02-28 |
US4486632A (en) | 1984-12-04 |
EP0067460B1 (fr) | 1985-08-14 |
EP0067460A1 (fr) | 1982-12-22 |
DE3265381D1 (en) | 1985-09-19 |
YU112982A (en) | 1984-12-31 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19830402 |
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Owner name: DE DOMINICIS & MAYER S.R.L. |
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