WO2010023095A1 - Hochspannungs-leistungsschalter mit einer schaltstrecke - Google Patents
Hochspannungs-leistungsschalter mit einer schaltstrecke Download PDFInfo
- Publication number
- WO2010023095A1 WO2010023095A1 PCT/EP2009/060353 EP2009060353W WO2010023095A1 WO 2010023095 A1 WO2010023095 A1 WO 2010023095A1 EP 2009060353 W EP2009060353 W EP 2009060353W WO 2010023095 A1 WO2010023095 A1 WO 2010023095A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- switching gas
- channel
- switching
- storage volume
- circuit breaker
- Prior art date
Links
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
-
- 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
- H01H2033/888—Deflection of hot gasses and arcing products
Definitions
- the invention relates to a high-voltage circuit breaker with a switching path which is at least partially surrounded by an insulating nozzle having a gas channel opening into a storage volume, and with a flow-directing device arranged at least partially within the storage volume.
- Such a high-voltage circuit breaker is known, for example, from the European patent application EP 0 783 173 A1. There, a high-voltage circuit breaker is described, which has a switching path, which of a
- Insulating nozzle is surrounded.
- the insulating material nozzle has a switching gas channel, which opens into a storage volume.
- a flow deflecting device is arranged within the storage volume.
- the flow-deflecting device has a valve, which carries out a need-based opening or closing of a recess.
- the arrangement of the flow-deflecting device is designed such that a buffering of switching gas is controlled in the storage volume via the position of the local valve.
- the known valve has a movable valve body, which can be pressed in front of the recess spring-loaded. With frequent operation of the circuit breaker is also a frequent actuation of the valve. Movable parts within the storage volume are subject to wear. Due to the structural design of the storage volume immediate access, for example, to perform repairs is not readily possible. Therefore, the invention has for its object to provide a circuit breaker of the type mentioned, which has a robust design and as possible wear a switching gas flow can steer.
- the flow-deflecting device has a switching gas inlet channel delimited by a switching gas passage wall, in which the switching gas channel radiates switching gas in the emission direction and a wall in which the switching gas channel opens and the switching gas inlet channel wall forms an annular gap limit.
- a switching gas inlet channel in the flow-deflecting device causes a favorable flow during filling or emptying thereof within the storage volume. It can be dispensed with moving parts in the interior of the storage volume.
- On the order of an annular gap between the wall in which the switching gas channel opens, and the Heidelberggaseintrittskanalwandung is created a way to use a bypass to the switching gas inlet channel for Heidelberggaslen- kung in the case of particularly large leaking volumes of switching gas.
- a majority of the switching gas is passed through the switching gas inlet channel in a remote from the mouth region of the switching gas channel of the insulating material portion of the storage volume. This provides a possibility of providing sections within the storage volume which are different
- switching gas injected into the storage volume has a higher temperature than cold insulating gas not directly involved in the storage volume at a switching operation. loading If one now borders a swirling of the cold insulating gas and the hot switching gas, it is possible, if necessary, to press out either preferably cool insulating gas or hot switching gas from the storage volume.
- annular gap Due to the choice of an annular gap, it is possible, on the one hand, to influence the flow in the interior of the storage volume, in order to provide sections in which cold insulating gas is swirled to a small extent with hot switching gas. On the other hand, a risk of the occurrence of undesirable overpressures in the area of the switching point can be reduced via the annular gap.
- a further advantageous embodiment can provide that the switching gas inlet channel is an annular channel.
- High-voltage circuit-breakers of proven design typically have mutually coaxially opposed arcing contact pieces and coaxially opposed nominal Power contact pieces on.
- the arcing and rated current contact pieces are also arranged coaxially with one another, so that installation space is made available between an arcing contact piece and a rated current contact piece, in which, for example, a storage volume is located.
- the storage volume preferably has a shape of a hollow cylinder, wherein filling and removal openings of the storage volume can preferably be arranged in frontal areas.
- the switching gas channel of the insulating material can be designed, for example, in the region of its mouth as an annular channel with a substantially hollow cylindrical cross-section, wherein it is penetrated at least in a section of one of the arcing contact pieces.
- an arc contact piece projecting into the switching gas channel is shielded by an electrically insulating auxiliary nozzle, so that the switching gas channel is designed as an annular channel, whose surfaces on the shell side are formed of insulating material.
- An opening of the switching gas channel in the storage volume has an annular cross-section.
- the switching gas inlet channel Since flowing through the switching gas channel flooding switching gas almost completely and uniformly within the Weggaskanals due to the resulting pressure conditions, it is advantageous to design a low-resistance path for the switching gas, the switching gas inlet channel also as an annular channel.
- the annular channel should have at its input, ie at the side at which the switching gas flows from the switching gas channel in the switching gas inlet channel, a corresponding cross-sectional area to the mouth opening of the switching gas channel.
- the switching gas flowing from the switching gas channel into the storage volume can flow into the flow-directing device with little turbulence and be continued there and forwarded there.
- the switching gas inlet channel has an input lying in the emission in front of an output, wherein the input has a smaller cross section than the output.
- a further advantageous embodiment can provide that at least one, in particular a plurality of return flow channel (s) is / are arranged in the switching gas inlet channel wall.
- a further advantageous embodiment can provide that at least one return flow passage penetrates a switching gas inlet passage wall in the emission direction.
- a further advantageous embodiment can provide that at least one return flow passage passes through a switching gas inlet passage wall radially to the emission direction.
- Switching gas or cold insulating gas are introduced into the switching gas inlet channel and directed there opposite to the emission direction of the switching gas channel and introduced into this.
- the switching gas inlet channel wall has a circumferential shoulder surrounding the switching gas inlet channel.
- a protruding shoulder makes it possible to provide an additional barrier within the storage volume, which inhibits unwanted crossing or strong mixing of switching gas or cold insulating gas. It is advantageous if the protruding shoulder rotates about the switching gas inlet channel.
- a circulation can be provided in such a way that the shoulder extends in the radial direction and forms a barrier in the axial direction.
- the projecting shoulder also extends in the axial direction and forms a barrier acting in the radial direction.
- At least one return flow passage penetrates the protruding shoulder.
- Both return flow openings in the axial and in the radial direction are arranged in the shoulder.
- a switching contact piece projects into the switching gas channel.
- the switching gas channel of the insulating material nozzle can preferably be penetrated by at least one switching contact piece. It can be provided that the switching gas channel at least temporarily example of one of the switching contacts is dammed. However, it can also be provided that one of the switching contact pieces projects permanently into the switching gas channel. For example, it is possible for a contact piece projecting permanently into the switching gas channel to be of a so-called contact piece
- Auxiliary nozzle is surrounded to protect the protruding into the switching gas channel contact piece from hot switching gas.
- the switching gas channel is rotationally symmetrical, which may have different cross sections in the course of a path. If a switching contact piece, for example an arcing contact piece, is arranged within the switching gas channel, then the cross section of the switching gas channel is reduced in this area and the switching gas channel has the shape of an annular channel.
- an annular gap is formed between an outer lateral surface of the switching gas channel inlet wall and an inner lateral surface of the storage volume. Provision of an annular gap between an inner lateral surface of the storage volume and an outer lateral surface of the switching gas channel inlet wall makes it possible to provide an overflow path in addition to the annular gap between the wall in which the switching gas channel opens and the switching gas channel inlet wall. Thus, at elevated pressures or increased volumes of hot switching gas, this also flows over and flows through the annular gap in addition to the switching gas inlet channel.
- the ratio of the flow resistances of the annular channels to the flow resistance of the flow inlet channel is in such a ratio that a preferred flow and guidance of the hot switching gases takes place through the switching gas inlet channel.
- annular gaps may provide additional flow paths to guide, direct and direct switching gases.
- the storage volume After a successful filling of the storage volume with hot switching gas this can also flow through an annular gap.
- the switching gas can flow into the section of the storage volume in which cold insulating gas is present via the annular gap formed between an outer lateral surface of the switching gas channel inlet wall and an inner lateral surface of the storage volume.
- a swirling of hot switching gas and cold insulating gas is reduced.
- the cold switching gas can then flow via the switching channel in the switching path.
- the switching gas inlet channel wall has a hollow truncated cone-shaped section and a return flow passage passes through the section.
- a hollow truncated cone-shaped section of the switching gas inlet passage wall can be designed to correspond to a ternden switching gas inlet channel be formed.
- a reducing flow resistance along the path of the flow inlet channel is provided inside the switching gas inlet channel.
- a further advantageous embodiment can provide that the flow-deflecting device is kept at a distance from walls of the storage volume via at least one stud bolt which generates tensioning forces in the flow direction.
- the flow deflecting device can be fixed to a wall bounding the storage volume.
- a wall offers, for example, an end wall of the storage volume.
- Elongated bolts, for example threaded bolts, via which the flow-deflecting device can be screwed to a wall of the storage volume are suitable stud bolts. It should advantageously be provided that a contact of the flow-deflecting device with a wall of the storage volume is carried out exclusively via the stud bolt (s), so that the flow-deflecting device is subsequently free of contacting points with the storage volume bounding walls.
- FIG. 1 shows a section of an interrupter unit of a high-voltage circuit breaker in section
- Figure 6 is a plan view and a section through a flow deflecting device.
- FIG. 1 shows a section of an interrupter unit of a high-voltage circuit breaker in section.
- Circuit breaker is constructed substantially coaxially to a longitudinal axis 1.
- the breaker unit of the high-voltage circuit breaker has a first arcing contact piece 2 and a second arcing contact piece 3.
- the two arcing contact pieces 2, 3 are coaxial with the
- first arcing contact piece 2 is equipped at its end facing the second arcing contact piece 3 with a sleeve-shaped contact element having a plurality of contact fingers.
- the second arcing contact piece 3 is configured bolt-shaped and dimensioned for insertion into the socket-shaped contact element of the first arcing contact piece 3.
- a first rated current contact piece 4 Coaxially with the first arcing contact piece 2, a first rated current contact piece 4 is arranged. Coaxially to the second arcing contact piece 3, a second rated current contact piece 5 is arranged.
- the two rated current contact pieces 4, 5 each have a substantially hollow cylindrical base structure, wherein the first arcing contact piece 2 and the first rated current contact piece 4 have the same potential even in the open state of the high-voltage circuit breaker and the second arcing contact piece 3 and the second rated current contact piece 5 also carry the same electrical potential even with open high-voltage circuit breaker.
- the second rated current contact piece 5 is provided at its end facing the first rated current contact piece 4 with contact fingers, which run on aticianman- tel specifications of the first rated current contact piece 4 and thus galvanic contacting of the two Nennstromkon- contact pieces 4, 5 can cause.
- the arcing contact pieces 2, 3 and the rated current contact pieces 4, 5 are arranged to each other such that in a relative movement of the first arcing contact piece 2 and the first rated current contact piece 4 and the second arcing contact piece 3 and the second rated current contact piece 5 at a power-up first contacting the arcing contact pieces 2, 3 and then a contacting of the rated current contact pieces 4, 5 takes place.
- a Isolierstoffdüse 6 is arranged to guide and guide a burning between the arcing contact pieces 2, 3 arc coaxial with the longitudinal axis 1.
- the insulating nozzle 6 is arranged such that a switching path between the two arcing contact pieces 3 is at least partially disposed within a limited by the insulating material 6 switching gas channel 7.
- the switching gas channel 7 has a constriction, which is at least temporarily dammed during a switching operation of the second arcing contact piece 3.
- the storage volume 8 extends coaxially to the longitudinal axis 1 and has a substantially hollow-cylindrical shape.
- the insulating material 6 is fixed by means of a Verspannringes 9.
- the insulating material nozzle 6 delimits with its walls bordering on the storage volume 6 or projecting into the storage volume 8
- the storage volume 8 partially.
- the storage volume 8 is penetrated by the first arcing contact piece 2, the first arcing contact piece 2 protruding into the switching gas channel 7 as far as the constriction.
- the first arcing contact piece 2 is protected on the shell side by a so-called auxiliary nozzle 10.
- the switching gas channel 7 is designed in the form of an annular channel at its end projecting in the direction of the storage volume.
- the bottleneck is released by the second arcing contact piece 3 at a subsequent point in time, thereby reducing the pressure in the switching path.
- the switching gas initially introduced into the storage volume 8 is forced out via the switching gas channel 7, together with the cooler insulating gas previously present there, due to the overpressure generated in the storage volume 8 during the heating by the arc.
- the arc which continues to be burned between the arcing contact pieces 2, 3 is cooled by the gas coming from the storage volume 8, and extinction thereof can take place at a current zero crossing. Due to cooling and blowing of the arc and the consequent clearing of the switching path from a plasma generated by the arc by means of the gases emerging from the storage volume 8, reignition of the arc can often be prevented.
- FIGS. 3, 4 and 5 show various design variants of a flow-directing device which is located in the interior of the Storage volume 8 are arranged.
- Figures 2, 3, 4 and 5 each show sections of the interrupter unit of a high-voltage circuit breaker shown in principle in Figure 1.
- FIG. 2 shows a first embodiment variant of a flow-deflecting device IIa.
- the first embodiment variant of a flow-deflecting device IIa has a basic body shaped rotationally symmetrical to the longitudinal axis 1.
- the flow deflecting device IIa is arranged at a distance from the wall in which the switching gas channel 7 opens. In the present case, this wall is formed by an end face of the insulating material 6.
- the first embodiment variant of the flow deflecting device IIa has a switching gas inlet channel 12a.
- the switching gas inlet channel 12a extends in the direction of the longitudinal axis 1 and is penetrated by the first arc contact piece 2 surrounding auxiliary nozzle 10 as well as the first arcing contact piece 2.
- the switching gas inlet channel 12a of the first variant of the flow deflection device IIa thus has an annular channel-shaped structure.
- An annular gap 13 is formed between the outlet opening of the switching gas channel 7 in the storage volume 8 and a switching gas inlet channel wall of the first variant of the flow deflection device IIa.
- the first variant of the flow deflecting device IIa has a section 14 in which the flow inlet channel wall has a substantially frusto-conical hollow cylindrical configuration, so that the cross section of the switching gas inlet channel 12a is enlarged in the emission direction.
- a plurality of return flow channels 15a, 15b are arranged in the section 14 .
- the return flow channels 15a, 15b are aligned substantially radially to the longitudinal axis 1 and arranged on two circumferential circular paths, so that the Section 14 evenly distributed on its circumference return flow channels 15a, 15b has.
- the switching gas inlet channel wall delimiting the switching gas inlet channel 12a has an essentially constant wall thickness within the section 14, wherein a projecting shoulder 16a is formed in the area of the base surface of the hollow truncated cone-shaped section 14.
- the projecting shoulder 16 has the shape of a radially encircling annular disc.
- the radially encircling annular disc is dimensioned such that an annular gap 17 is formed on an outer lateral surface of the annular disc and thus on an outer lateral surface of the switching gas inlet channel wall.
- the projecting shoulder 16a is penetrated by a return flow channel 15c, which passes through the flow-directing device substantially in the direction of the emission direction of the switching gas channel 7.
- the emission direction essentially corresponds to the direction of the longitudinal axis 1.
- a plurality of return flow channels 15c are arranged distributed on a circular path, so that a sufficient cross section of the return flow channels is provided.
- Both the radial and the axially arranged return flow channels 15a, 15b, 15c may, for example, have circular cross sections. However, it can also be provided that deviating example, slot-shaped, curved configurations of the cross sections of the return flow channels are provided.
- the switching gas When a hot switching gas flows from the switching gas channel 7 into the storage volume 8, the switching gas is directed into the switching gas inlet channel 12a in the emission direction of the switching gas channel 7. Due to the correspondence of the surface of the mouth opening of the switching gas channel 7 and the opening of the inlet of the switching gas inlet channel 12, the switching gas passes through the annular gap 13 with little turbulence. From the switching gas inlet channel 12a the switching gas in a portion of the storage volume 8, which faces away from the region of the mouth of the switching gas channel 7, forwarded. Protected by the switching gas directing device IIa, cold insulating gas is heated from the inflowing into the remote portion of the storage volume 8
- the hot switching gas flows out or overflow, for example, via the return flow channels 15a, 15b, 15c into the switching gas inlet channel 12a, and at least partially back into the latter the switching gas channel 7.
- the switching gas channel 7 passes the cached in the storage volume 8 gases in the switching path between the two arcing contact pieces 2, 3 back.
- the annular gaps 17, 13 can also be used to convey switching gas or cool insulating gas out of the storage volume 8 and let it flow off via the switching gas channel 7.
- one or more stud bolts 18 are fastened in an end wall of the storage volume 8. On the stud bolts 18 corresponding fittings of the first variant of the switching gas steering device IIa can be made.
- the switching gas deflector IIa of the total volume of the storage volume 8 a portion is divided, which extends radially behind a Weggaseinbergskanalwandung. After an irradiation of the hot switching gases via the switching gas channel 7 and the switching gas inlet channel 12a can be protected in the section held cold insulating before strong mixing with incoming hot switching gases.
- the cold insulating gas is driven in front of the hot switching gas and ejected from the storage volume 8 before the hot switching gas.
- FIG. 3 shows a second embodiment variant of FIG
- a hollow cylindrical section 20 adjoins a hollow frustoconical section 14.
- the hollow-cylinder-shaped section 20 enlarges the section separated from the second variant of the flow deflecting device IIb for the provision of cool insulating gas within the storage volume 8. As a result, a larger amount of cold insulating gas can be stored in the storage volume 8.
- an arrangement of return flow channels extending radially within the projecting shoulder 16a has been dispensed with.
- FIG. 4 shows a reduced third variant of a flow deflection device 11c.
- the flow-deflecting device 11c has a hollow-cylindrical structure in the form of a disk.
- the hollow cylindrical disk is penetrated by a switching gas inlet channel 12c, which is formed in the form of a plurality of recesses introduced in the direction of flow of the switching gas channel 7 into the flow passage wall of the third variant of the flow deflector llc.
- an annular gap 21 between the Weggaseinbergskanalwandung the third variant of the flow deflector 11c and the auxiliary nozzle 10 is formed, which also contributes to the formation of the switching gas inlet channel 12c.
- the third embodiment variant of the flow deflecting device 11c is surrounded by a plurality of return flow channels 5c distributed on a circular path. Between an outer circumferential surface of the third variant of the flow deflector llc and a
- annular gap 17 is formed.
- Such an annular disc-like configuration of a flow-deflecting device 11c has the advantage that a cost-effective production of such a flow barrier is made possible.
- FIG. 5 shows a fourth variant of a flow deflection device Hd.
- the fourth variant of a flow-deflecting device Hd builds on the construction of the third variant of a flow-deflecting device Hc shown in FIG.
- a projecting shoulder 22 is arranged on the outer circumference, wherein the projecting shoulder 22 extends relative to the longitudinal axis 1 or the emission direction of the switching gas channel 7 essentially borrowed in the axial direction.
- a plurality of return flow channels 15a, 15b are introduced, which are distributed uniformly around the circumference and allows in the fourth variant of the flow deflecting device Hd in the projecting shoulder substantially in the radial direction, an overflow of gases.
- FIG. 6 shows the first variant of the flow-deflecting device Ha in a section and in a plan view.
- the hollow cone blunt portion 14 of the Weggaskanaleintrittswan- tion which adjoins the base of the projecting shoulder 16a.
- the projecting shoulder 16a a plurality of mounting holes 23a, b, c, d are provided, which serve to receive studs 18.
- a plurality of radially directed return flow passages 15a, 15b are arranged on two circular orbits circulating radially about the longitudinal axis 1.
- the projecting shoulder 16 is penetrated by a plurality of extending in the emission direction return flow channels 15c.
- the return flow channels 15c extending in the emission direction each have a sector-shaped curved cross-section in the manner of a slot.
- the cross section of the inlet of the switching gas inlet channel 12a is less than the output of the switching gas inlet channel 12a.
- Switching gas channel 7 opens, and the Weggaseinbergskanalwan- tion an annular gap 13 is formed.
Landscapes
- Circuit Breakers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09781679.7A EP2316122B1 (de) | 2008-08-25 | 2009-08-11 | Hochspannungs-leistungsschalter mit einer schaltstrecke |
CN200980133215.8A CN102132371B (zh) | 2008-08-25 | 2009-08-11 | 有触头间距的高压断路器 |
US13/060,757 US8664558B2 (en) | 2008-08-25 | 2009-08-11 | High-voltage power switch with a switch gap |
EG2011020291A EG26272A (en) | 2008-08-25 | 2011-02-23 | High voltage switchgear with switching gap |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008039813.6 | 2008-08-25 | ||
DE102008039813A DE102008039813A1 (de) | 2008-08-25 | 2008-08-25 | Hochspannungs-Leistungsschalter mit einer Schaltstrecke |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010023095A1 true WO2010023095A1 (de) | 2010-03-04 |
Family
ID=41278345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2009/060353 WO2010023095A1 (de) | 2008-08-25 | 2009-08-11 | Hochspannungs-leistungsschalter mit einer schaltstrecke |
Country Status (6)
Country | Link |
---|---|
US (1) | US8664558B2 (de) |
EP (1) | EP2316122B1 (de) |
CN (1) | CN102132371B (de) |
DE (1) | DE102008039813A1 (de) |
EG (1) | EG26272A (de) |
WO (1) | WO2010023095A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5389279B2 (ja) * | 2011-01-07 | 2014-01-15 | 三菱電機株式会社 | 開閉装置 |
EP2629313A1 (de) * | 2012-02-17 | 2013-08-21 | ABB Technology AG | Gasisolierter Schutzschalter mit Nennkontaktabschirmungsanordnung |
DE102016214196B4 (de) * | 2016-08-02 | 2019-11-21 | Siemens Aktiengesellschaft | Unterbrechereinheit für einen Leistungsschalter |
EP3439013A1 (de) | 2017-08-04 | 2019-02-06 | ABB Schweiz AG | Armatur für einen elektromagnetischen aktuator, elektromagnetischer aktuator, schaltvorrichtung und verfahren zur herstellung einer armatur |
CN110098086B (zh) * | 2019-05-06 | 2020-10-02 | 国网江西省电力有限公司鹰潭供电分公司 | 一种电力电网高压消弧装置 |
DE102019213344A1 (de) * | 2019-09-03 | 2021-03-04 | Siemens Energy Global GmbH & Co. KG | Unterteilen eines Heizvolumens eines Leistungsschalters |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996013844A1 (fr) * | 1994-10-31 | 1996-05-09 | Schneider Electric S.A. | Disjoncteur a haute tension et a autosoufflage de l'arc |
EP0783173A1 (de) * | 1995-12-08 | 1997-07-09 | Siemens Aktiengesellschaft | Hochspannungs-Leistungsschalter mit einem Gasspeicherraum |
JPH11224576A (ja) * | 1998-02-06 | 1999-08-17 | Nissin Electric Co Ltd | ガス遮断器 |
EP1605485A1 (de) * | 2004-06-07 | 2005-12-14 | ABB Technology AG | Leistungsschalter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2596575B1 (fr) * | 1986-03-26 | 1988-05-20 | Alsthom | Disjoncteur a gaz dielectrique sous pression |
TW280920B (de) | 1995-01-20 | 1996-07-11 | Hitachi Seisakusyo Kk | |
DE19832709C5 (de) * | 1998-07-14 | 2006-05-11 | Siemens Ag | Hochspannungsleistungsschalter mit einer Unterbrechereinheit |
US6621030B2 (en) * | 2001-11-19 | 2003-09-16 | Hitachi, Ltd. | Gas-insulated switchgear |
EP1675145A1 (de) * | 2004-12-23 | 2006-06-28 | ABB Technology AG | Hochleistungsschalter mit Dichtung gegen Heissgas |
JP4660407B2 (ja) * | 2006-03-27 | 2011-03-30 | 株式会社東芝 | ガス絶縁開閉器 |
CN101828242B (zh) * | 2007-10-16 | 2013-03-13 | Abb研究有限公司 | 带有由溢流阀控制的减压通道的气体绝缘的高压功率开关 |
-
2008
- 2008-08-25 DE DE102008039813A patent/DE102008039813A1/de not_active Ceased
-
2009
- 2009-08-11 US US13/060,757 patent/US8664558B2/en not_active Expired - Fee Related
- 2009-08-11 CN CN200980133215.8A patent/CN102132371B/zh not_active Expired - Fee Related
- 2009-08-11 EP EP09781679.7A patent/EP2316122B1/de not_active Not-in-force
- 2009-08-11 WO PCT/EP2009/060353 patent/WO2010023095A1/de active Application Filing
-
2011
- 2011-02-23 EG EG2011020291A patent/EG26272A/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996013844A1 (fr) * | 1994-10-31 | 1996-05-09 | Schneider Electric S.A. | Disjoncteur a haute tension et a autosoufflage de l'arc |
EP0783173A1 (de) * | 1995-12-08 | 1997-07-09 | Siemens Aktiengesellschaft | Hochspannungs-Leistungsschalter mit einem Gasspeicherraum |
JPH11224576A (ja) * | 1998-02-06 | 1999-08-17 | Nissin Electric Co Ltd | ガス遮断器 |
EP1605485A1 (de) * | 2004-06-07 | 2005-12-14 | ABB Technology AG | Leistungsschalter |
Also Published As
Publication number | Publication date |
---|---|
US20110155695A1 (en) | 2011-06-30 |
EP2316122B1 (de) | 2016-09-28 |
EP2316122A1 (de) | 2011-05-04 |
CN102132371A (zh) | 2011-07-20 |
US8664558B2 (en) | 2014-03-04 |
CN102132371B (zh) | 2014-11-12 |
DE102008039813A1 (de) | 2010-03-04 |
EG26272A (en) | 2013-06-10 |
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