EP2686859B1 - Gasisolierter hochspannungs-leistungsschalter - Google Patents
Gasisolierter hochspannungs-leistungsschalter Download PDFInfo
- Publication number
- EP2686859B1 EP2686859B1 EP11708497.0A EP11708497A EP2686859B1 EP 2686859 B1 EP2686859 B1 EP 2686859B1 EP 11708497 A EP11708497 A EP 11708497A EP 2686859 B1 EP2686859 B1 EP 2686859B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit breaker
- volume
- valve
- gas
- pressure
- 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
Links
- 239000007789 gas Substances 0.000 claims description 83
- 230000006835 compression Effects 0.000 claims description 64
- 238000007906 compression Methods 0.000 claims description 64
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229910000639 Spring steel Inorganic materials 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 102220545768 116 kDa U5 small nuclear ribonucleoprotein component_C60S_mutation Human genes 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 102200078301 rs121908250 Human genes 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 238000007664 blowing Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 241001136792 Alle Species 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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
- H01H33/86—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid under pressure from the contact space being controlled by a valve
-
- 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
-
- 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
- H01H33/91—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 the arc-extinguishing fluid being air or gas
-
- 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
- H01H2033/906—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 with pressure limitation in the compression volume, e.g. by valves or bleeder openings
-
- 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
- H01H2033/908—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 using valves for regulating communication between, e.g. arc space, hot volume, compression volume, surrounding volume
Definitions
- the invention relates to the field of high voltage engineering and relates to a usable in the voltage range between several kV and several hundred kV, gas-insulated high-voltage circuit breaker according to the preamble of claim 1.
- Such a switch also called gas blast switch, is used in particular in power distribution networks. It is designed in such a way that, in the event of a separation of the contacts or in the event of a short circuit, a switching arc is blown out with gas and thereby extinguished as quickly as possible.
- the most commonly used gas for this purpose is SF 6 (sulfur hexafluoride).
- a switch of the type mentioned is in DE 4211159 A1 and US 5589673 A described.
- a pressure chamber in which the arc is formed valve-controlled connected to a compression chamber.
- the compression chamber is connected via a pressure relief valve and a refill valve with a low pressure chamber.
- the valves are annular and arranged adjacent to one another with an overlap zone.
- the pressure relief valve is pressed on the low pressure chamber side by a spring in the direction of the compression volume against a valve holder.
- gas can only flow from the compression volume into the low-pressure space when its pressure is greater than the spring force.
- this construction is relatively complicated and requires many elements.
- EP 2270828 A1 a designed as a self-inflating high-voltage circuit breaker, in which between two volumes of its extinguishing chamber, a check valve is arranged.
- This valve has at least one metallic, flexible plate, which is movable between a valve seat and a stop of the valve within its elastic deformability.
- the valve is designed to allow the supply of compressed, cool gas from a compression volume into a heating volume exposed to the action of arc gases when the switch is opened, but prevents hot arc gases from flowing from the heating volume into the compression volume. Therefore, a material is used for the at least one plate, which can withstand temperatures up to 2500 ° C.
- the construction of the gas-insulated high-voltage circuit breaker of the type mentioned is to be simplified and the number of required components can be reduced.
- the valve plate has at least one hole and at least one held on one side, depending on the pressure of the insulating gas in the compression volume elastically bendable leaf spring, which closes the hole when closing the switch and the hole opens when opening the switch and a guided through the hole flow channel for Insulating gas emerging from the compression volume is limited as soon as the pressure of the compressed insulating gas in the compression volume exceeds the value of the gas pressure in the low-pressure space by at least two bar.
- the valve Compared to the closest prior art, in which the valve arranged between the compression volume and the low-pressure volume has two annular, overlapping valve plates and a valve spring, the valve only requires a single valve plate in the switch according to the invention. Compared to the prior art, therefore, a valve plate and a spring can be saved. Since now instead of two overlapping valve plates and a spring to be adjusted only a single valve plate is to be installed in the valve, the inventive switch can be made much easier and maintained.
- this single valve plate has at least one hole and a hole normally closing the leaf spring, which opens only above an overpressure of two bar due to elastic bending the hole and thereby connects the compression volume with the low pressure volume, with this single valve plate not only the targeted filling of Compression volume achieved with fresh insulating gas during the closing of the switch, but at the same time a more than two bar amounting excess pressure in the compression volume is effectively limited when opening the switch.
- the leaf spring has a relatively high spring constant and, accordingly, a strong restoring force. Therefore, it is not necessary to limit the travel of the leaf spring even when high overpressures by a fixed stop limiting the bending of the leaf spring.
- the leaf spring can be formed by means of at least one cut in the valve plate. This section can be guided perpendicular to the surface of the valve plate. Alternatively, at least a portion of the at least one cut may be inclined relative to the surface of the valve plate. The angle of inclination should then be no more than 60 °.
- the valve plate may be made of a spring plate, the thickness of which is selected in relation to the length of the leaf spring so that when bending the leaf spring prevents plastic deformation and the hole is released when the threshold value is exceeded.
- the valve plate may be formed as an annular disc, and the at least one leaf spring with respect to a center of the annular disc designed as a circular section and have at least three cut into the annular disc sides, of which at least one is radially aligned and at least two are guided concentrically.
- the annular disc may comprise a plurality of leaf springs, which are each formed with respect to the center of the annular disc as a circular section and each have at least three cut into the annular disc sides, of which at least one is radially aligned and at least two are guided concentrically, wherein each two of the leaf springs are mirror images of each other with respect to a diameter line of the annular disc are arranged.
- the valve plate and the at least one leaf spring may be formed of a standard spring steel, which is designed as unalloyed or low-alloyed stainless steel.
- a standard spring steel is only suitable for use at operating temperatures up to about 300 ° C.
- Fig. 1 shows a cross section along a longitudinal axis 11 of an embodiment of a gas-insulated high-voltage circuit breaker 1 according to the invention.
- the switch is designed as a self-blowing switch and has a non-illustrated, with an insulating gas, in particular SF 6 , filled by some bar pressure housing that a low-pressure volume 5 limited to the outside.
- a first and right of the longitudinal axis 11 a second operating state of the switch 1 is shown, which are referred to below filling operation or overpressure operation.
- the switch 1 has a rated current contact 2c, which is movable in the direction of the longitudinal axis 11 of the switch 1 such that it can come into contact with a rated current contact 2d. Furthermore, the switch has an arcing contact 2a, which is movable in the direction of the longitudinal axis 11 of the switch 1 such that it can come into contact with an arcing contact 2b.
- the reference numeral 15 is a Arc, which results from the interruption of a current after the separation of the two arcing contacts 2a, 2b. When switching off an operating current, the arc 15 is usually weak. When switching off a short-circuit current but very strong arcs 15 may occur. These two options will be described in more detail later in the description, since they require a separate procedure for extinguishing the arc 15.
- the extinguishing of the arc 15 is carried out by blowing the arc 15 burning in an arc zone 3 with an extinguishing gas which has a higher pressure than the insulating gas present in the low-pressure volume 5.
- Extinguishing gas can be formed by the switching arc 15, the arc gases are stored in the high-current phase of the current to be disconnected in a heating volume 19 and flows at zero current through a heating channel 17 in the arc zone 3 and the arc 15 cools.
- the heating channel 17 is typically formed between an auxiliary nozzle 16a and a main nozzle 16b.
- Extinguishing gas can be provided when opening the switch at the same time in a compression volume 4, which is part of a driven by a drive A of the switch compression device.
- the switch according to the invention can also be designed as a buffer switch.
- the arc gases can then enter directly into the compression volume 4 when opening the switch from the arc zone.
- the self-inflator shown is the heating volume 19 by means of a check valve 14 separated from the compression volume 4. Both the Doubles- and the buffer switch, however, the compression volume 4 is separated by means of a valve 6 from the low pressure volume 5.
- the low-pressure volume 5 is generally designed as an exhaust volume, but may also have a volume separated from the exhaust volume, in which even after opening the switch fresh, is stored by exhaust gases largely free insulating gas.
- a flow 12 When closing the switch, a flow 12 is formed, the insulating gas from the low pressure volume 5 through the valve 6 in the compression chamber 4 leads (left of the axis 11 located part of FIGS. 1 and 1a ).
- a flow 13 forms as soon as the compression volume 4 has an overpressure of at least two bar relative to the low-pressure volume 5. This flow leads compressed, serving as quenching gas insulating gas from the compression volume 4 in the reverse direction in the low pressure volume 5 (right of the axis 11 located part of FIGS. 1 and 1a ).
- the valve plate 9 is formed as an annular disc, which is guided around the longitudinal axis 11 of the switch 1.
- valve plate 9 has a hole 71 and a one-sided, in Dependent on the pressure of the insulating gas in the compression volume 4 elastically bendable leaf spring 7 has.
- the switch 1 also comprises a subelement 21 containing a piston of the compression device and an upper element 20 containing a cylinder of the compression device.
- the upper element 20 is displaceably arranged in the direction of the longitudinal axis 11 and the subelement 21 is fixed.
- the top element 20, to which the arcing contact 2a is attached is displaced in the direction away from the second arcing contact 2b.
- Fig. 2 shows in the figures a to d different embodiments of the valve plate 9.
- the valve plates 9 are each designed as an annular disc with an outer edge 18a and an inner edge 18b.
- the shapes which result from the lines shown within the edges 18a, 18b correspond to a plurality of leaf springs 7.
- Each leaf spring 7 is cut into the annular disc over the entire thickness of the annular disc.
- the lines illustrate the incisions in the material of the annular disc.
- valve plate 9 is interchangeable with another valve plate 9 of different thickness and different shaped leaf springs 7 and holes 71. This allows an adaptation of the switch 1 according to the invention to subsequently explained parameters, such as the gas flow rate and the threshold value of the overpressure.
- the shapes of the leaf springs 7 are related to the desired maximum gas flow rate in the case of the flow 13 Fig.2 As can be seen, determines the extent of the incisions, which form the leaf springs 7, the flow cross-section of a guided through the valve plate and the flow 13 receiving flow channel. For a given size of the overpressure can be varied by suitable choice of the circumference of the leaf springs 7 or by selecting the size of the flow cross section, the gas flow rate per unit time.
- the spring constant of the leaf spring 7 changes, wherein the leaf spring 7 preferably has the same thickness as the valve plate 9
- a thicker leaf spring 7 causes a higher spring constant resp. a higher elastic restoring force and a thinner leaf springs 7 a lower spring constant resp. a lower elastic restoring force.
- the spring constant or thickness of the leaf spring 7 together with the length of the leaf spring significantly determines the response of the valve 6 against the occurrence of excess pressure in the compression volume 4.
- Beivier higher spring constant a higher pressure is required to deflect the leaf spring 7. Accordingly, a lower overpressure is needed at a lower spring rate.
- the thickness and the length resp. Shape of the leaf spring 7 are variables by which the desired threshold value of the overpressure for the realization of the flow 13 is adjustable.
- the maximum gas flow rate and the threshold value of the overpressure for the formation of the flow 13 in the switch 1 in the simplest manner are adjustable by the exchange of differently shaped valve plates 9.
- the switch 1 can be designed for use as an outdoor switch or as a metal-enclosed switch.
- FIG. 3 and 4 which is preferably formed as an annular disc valve plate 9 at least one leaf spring 7, which as a circular ring portion with respect to the center of the valve plate or annular disc with a radial Cut 72 and two concentric sections 73, 74 was cut into the valve plate or washer.
- annular disc has three leaf springs 7.
- each leaf spring 7 which also, as explained above, each as a circular ring sections with respect to the center of the annular disc with each pure radial 72 and two concentric sections 73, 74 were cut into the annular disc.
- Each two of the leaf springs are arranged in mirror image to each other with respect to a diameter line 22 of the annular disc.
- four leaf springs 7a, 7b, 7c, 7d are shown, wherein a first and a second leaf spring 7a, 7b and a third and a fourth leaf spring 7c, 7d are each arranged in mirror image to each other with respect to the diameter line 22 of the annular disc.
- valve plate 9 in particular prevents a propeller effect, which could arise in an orientation of all spring elements in a clockwise or counterclockwise direction.
- the opposing orientation of each two spring elements prevents the annular disc could be placed in a rotational movement during the formation of the gas flow 13.
- an odd number of leaf springs can be selected.
- an annular disc could after Fig. 3
- two oppositely disposed leaf springs 7, wherein the orientation of the unassigned leaf springs would not matter because frictional forces would sufficiently counteract a remaining rotational tendency of the annular disc.
- the check valve prevents hot arc gases flowing into the heating volume 19 from entering the compression volume 4 can.
- the valve 6 is therefore not exposed to excessively high temperatures.
- the valve plate 9 and accordingly also the at least one leaf spring 7 can therefore be formed from a standard spring steel.
- Particularly suitable is a standard spring steel made of plain or low-alloy stainless steel, such as a stainless steel commercially available under the short name C60S, C75S or 51CrV4.
- the cuts 72 to 74 are like out Figure 5 can be seen generally perpendicular to the surface of the valve plate 9. On the cutting tool no particularly high demands are made, so that then the valve plate 9 and thus the switch 1 can be made particularly economical.
- the cuts 72 to 74 relative to the surface of the valve plate 9 can also be guided inclined.
- the angle of inclination relative to the surface of the valve plate 9 is dimensioned so that the leaf spring 7 bend upon reaching the overpressure of at least 2 bar and the hole 71 can release.
- the leaf spring rests with an outer edge 76 which determines its contour and has an obliquely folded edge on an inner edge 75 which determines the contour of the hole 71.
- the inclination angle, starting from the 90 ° vertical section, is less than 60 °, typically less than 50 ° and greater than 20 °, the width of the edges 75, 76 is effectively extended and, accordingly, the leakage losses in the compression volume 4 are reduced.
- the gas volume increases as soon as the gas in the arc zone 3 is substantially heated by an arc 15 which is produced when the arc contacts 2 a, 2 b are properly disconnected.
- the gas pressure in the arc zone 3 remains at low arc 15, so at weak currents to be interrupted, smaller than the gas pressure in the heating volume 19. Therefore, the gas flows in this case always from the compression volume 4 into the heating volume 19 and through the Heating channel 17 in the arc zone 3, where it inflates the arc 15 in the current zero crossing.
- the pressure in the compression volume 4 increases during the downward movement of the upper element 20 until the pressure of the compressed insulating gas in the compression space 4 exceeds the value of the gas pressure in the low-pressure space 5 by at least two bars. Above this pressure, the leaf spring 7 releases the hole 71 and then delimits a guided through the hole 71 flow channel for emerging from the compression volume 4 insulating. Upon release of the hole 71, the leaf spring 7 clamped on one side is deflected elastically downwards into the low-pressure volume 5 and thus forms the flow channel for the flow 13 directed from the compression volume 4 into the low-pressure volume. An impermissibly high overpressure in the compression space 4 is thus avoided. At the same time as well as the applied by the drive A compression work is limited.
Landscapes
- Circuit Breakers (AREA)
- Gas-Insulated Switchgears (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2011/054068 WO2012123032A1 (de) | 2011-03-17 | 2011-03-17 | Gasisolierter hochspannungs-leistungsschalter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2686859A1 EP2686859A1 (de) | 2014-01-22 |
EP2686859B1 true EP2686859B1 (de) | 2014-11-26 |
Family
ID=44625409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11708497.0A Active EP2686859B1 (de) | 2011-03-17 | 2011-03-17 | Gasisolierter hochspannungs-leistungsschalter |
Country Status (7)
Country | Link |
---|---|
US (1) | US8822868B2 (zh) |
EP (1) | EP2686859B1 (zh) |
KR (1) | KR20140023318A (zh) |
CN (1) | CN103443894B (zh) |
BR (1) | BR112013023368A2 (zh) |
MX (1) | MX2013010202A (zh) |
WO (1) | WO2012123032A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202016107299U1 (de) * | 2016-12-22 | 2018-03-27 | Reinz-Dichtungs-Gmbh | Temperierungsvorrichtung mit Federelement |
DE102017207422A1 (de) * | 2017-05-03 | 2018-11-08 | Siemens Aktiengesellschaft | Trennschalter |
EP3407370B1 (en) * | 2017-05-24 | 2020-04-01 | General Electric Technology GmbH | A gas blast switch comprising an optimized gas storage chamber |
HUE050927T2 (hu) * | 2017-06-20 | 2021-01-28 | General Electric Technology Gmbh | Elektromos nagyfeszültségû megszakító |
DE102019212109A1 (de) * | 2019-08-13 | 2021-02-18 | Siemens Aktiengesellschaft | Elektrische Schalteinrichtung |
DE102019213344A1 (de) * | 2019-09-03 | 2021-03-04 | Siemens Energy Global GmbH & Co. KG | Unterteilen eines Heizvolumens eines Leistungsschalters |
KR102466213B1 (ko) * | 2020-12-31 | 2022-11-11 | 현대일렉트릭앤에너지시스템(주) | 가스절연 차단기 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2316009B2 (de) | 1973-03-30 | 1977-11-10 | Zusatz in: 24 55 674 Siemews A.G, tOOQ Betlm \md 8000 München | Gasstroemungsschalter |
DE3720816A1 (de) * | 1987-06-24 | 1989-01-05 | Licentia Gmbh | Schalter mit selbsterzeugter loeschgasstroemung |
DE4107673A1 (de) | 1991-03-09 | 1992-09-10 | Sachsenwerk Ag | Gekapselte, mit einem isoliergas gefuellte schaltanlage |
DE4211159A1 (de) | 1992-03-31 | 1993-10-07 | Siemens Ag | Elektrischer Hochspannungs-Leistungsschalter |
ATE160466T1 (de) * | 1994-06-20 | 1997-12-15 | Gec Alsthom T & D Ag | Druckgasschalter |
EP0780859B1 (de) * | 1995-12-21 | 2002-04-17 | Alstom Ag | Druckgasschalter mit einer Ausschalt-Bremsanordnung |
DE29706202U1 (de) * | 1997-03-27 | 1997-06-05 | Siemens AG, 80333 München | Druckgasleistungsschalter |
DE19736708C1 (de) * | 1997-08-18 | 1999-05-20 | Siemens Ag | Elektrischer Hochspannungsschalter |
DE19902835C2 (de) * | 1999-01-20 | 2001-12-06 | Siemens Ag | Hochspannungsleistungsschalter mit einer Isolierdüse |
DE19939940A1 (de) * | 1999-08-23 | 2001-03-01 | Abb Research Ltd | Druckgasschalter |
EP1939910A1 (de) | 2006-12-27 | 2008-07-02 | ABB Technology AG | Druckgasschalter mit einer radialen Durchströmöffnung |
FR2937179A1 (fr) * | 2008-10-09 | 2010-04-16 | Areva T & D Sa | Chambre de coupure pour disjoncteur haute tension a soufflage d'arc ameliore |
FR2947377B1 (fr) | 2009-06-29 | 2011-07-22 | Areva T & D Sa | Valve a clapet de decharge destinee a decharger un gaz dielectrique entre deux volumes d'une chambre de coupure de disjoncteur haute ou moyenne tension |
EP2299464B1 (de) * | 2009-09-17 | 2016-08-31 | ABB Schweiz AG | Selbstblasschalter mit Füll- und Überdruckventil |
EP2343721A1 (de) * | 2010-01-06 | 2011-07-13 | ABB Research Ltd. | Gasisolierter Hochspannungsschalter |
DE102010020979A1 (de) * | 2010-05-12 | 2011-11-17 | Siemens Aktiengesellschaft | Druckgas-Leistungsschalter |
-
2011
- 2011-03-17 KR KR1020137027331A patent/KR20140023318A/ko not_active Application Discontinuation
- 2011-03-17 MX MX2013010202A patent/MX2013010202A/es active IP Right Grant
- 2011-03-17 WO PCT/EP2011/054068 patent/WO2012123032A1/de active Application Filing
- 2011-03-17 BR BR112013023368A patent/BR112013023368A2/pt not_active IP Right Cessation
- 2011-03-17 EP EP11708497.0A patent/EP2686859B1/de active Active
- 2011-03-17 CN CN201180069356.5A patent/CN103443894B/zh active Active
-
2013
- 2013-09-17 US US14/029,274 patent/US8822868B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2686859A1 (de) | 2014-01-22 |
MX2013010202A (es) | 2013-09-26 |
CN103443894A (zh) | 2013-12-11 |
CN103443894B (zh) | 2016-08-17 |
WO2012123032A1 (de) | 2012-09-20 |
KR20140023318A (ko) | 2014-02-26 |
US20140014623A1 (en) | 2014-01-16 |
BR112013023368A2 (pt) | 2016-12-13 |
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