EP2524386A1 - Schaltkammer für einen leistungsschalter sowie leistungsschalter mit schaltkammer - Google Patents
Schaltkammer für einen leistungsschalter sowie leistungsschalter mit schaltkammerInfo
- Publication number
- EP2524386A1 EP2524386A1 EP11700122A EP11700122A EP2524386A1 EP 2524386 A1 EP2524386 A1 EP 2524386A1 EP 11700122 A EP11700122 A EP 11700122A EP 11700122 A EP11700122 A EP 11700122A EP 2524386 A1 EP2524386 A1 EP 2524386A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching
- switching chamber
- insulating
- sections
- gap
- 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
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
- H01H33/02—Details
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
-
- 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
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Definitions
- the invention relates to a switching chamber for a circuit breaker having a first and a second valve body, which lie relative to a longitudinal axis of the switching chamber each end of an electrically insulating Isolierab- section of the switching chamber; as well as a circuit breaker with a switching chamber.
- a switching chamber is known for example from the patent DE 103 45 657 B4.
- a switching chamber for a circuit breaker is described, which has an electrically insulating insulating section between two valve bodies arranged at the end.
- the insulating section is tubular, wherein pipe walls of the insulating body are penetrated by penetrating recesses.
- the insulating least has to ⁇ two shell-shaped part portions which are curved concavely respectively to the longitudinal axis and body edges of the sections so spaced to each other, that in the insulating body at least one gap between the sub-sections formed according to the invention is.
- a subdivision of the Isolierabiteses in several cups ⁇ shaped sections makes it possible to form a gap between the sections themselves, so that is not necessary in the individual sub-section itself, a contribution of a fürbru ⁇ ches to form a recess.
- Surfaces of the shell-shaped sections, which face the longitudinal ⁇ axis, are shaped like a groove and extend substantially in the direction of the longitudinal axis.
- the channel is open in the direction of the longitudinal axis, so that a concave curvature of the sections is provided on its side facing the longitudinal axis.
- the concave ge ⁇ bulged area is free of overlappings, so that the interaction of the plurality of sections around the longitudinal axis, an inner receiving space of the switching chamber is limited.
- the insulating portions are preferably provided with a cross-section ⁇ , saying ent ⁇ a circular ring segment. The segment covers an angle range of a maximum of 180 °.
- Such a fluid may be playing an electrically insulating liquid or an electrically insulating gas at ⁇ which the switching chamber and flows through subsequent areas.
- a gap is always formed from ⁇ .
- subsections arranged adjacently to one another abut against one another and thus no effective gap is formed, but a closed surface with an impact, whereas at ei ⁇ ner another point between two immediately adjacent subsections a gap is formed.
- a further advantageous embodiment can provide that convex outer shell surfaces of the subsections define a rotationally symmetrical envelope contour ⁇ between the valve bodies.
- a convex outer surface area allows the Isolierab ⁇ cut to impart a rounded outer contour, wherein Before ⁇ cracks are avoided. Due to the convex outer lateral surfaces, it is possible to ensure an approximately rotationally symmetrical envelope contour of the insulating section, so that an outwardly acting envelope contour is provided in the manner of a cylinder jacket. Deviating from such a rotationally symmetrical structure can edge regions, in particular the areas of the body edges, between which a gap is formed, rounded or flattened, so that flow-favorable conditions for the passage of a fluid at the gap gebil ⁇ det are.
- the cross section of the sections is limited by a ring sector with approximately constant wall by various curved inner andclassman- tel Kunststoffe.
- a curvature of inner and outer sheath area can also take place around different axes, so that the wall can have different wall thicknesses.
- cross sections in sickle shape with decreasing body edges wall thicknesses or with the body edges increasing wall thicknesses possible.
- the inner and outer circumferential surfaces of the sections are aligned coaxially with each other.
- a coaxial alignment with respect to the longitudinal axis should be sought. This makes it possible for the structure of a pipe to be simulated with an approximately constant wall thickness by means of a plurality of subsections, wherein the pipe structure of at least one gap is broken between body edges of the subsections.
- a further advantageous embodiment can provide that the subsections are arranged symmetrically distributed about the longitudinal axis ⁇ .
- a symmetrical distribution of the sections about the longitudinal axis can be achieved that a multi ⁇ number of columns uniformly distributed in the circumferential direction of the Isolierabiteses.
- a good flow or aeration of the interior of the switching chamber can be supported.
- the number of gaps corresponds to the number of subsections.
- a single basic shape can advantageously be used to form the sections of an insulating section of a switching chamber. As a result, the cost of tools and storage costs to keep the sections are reduced.
- the configuration of a plurality of gaps, which are distributed in the circumferential direction of the insulating section, is identical in each case.
- a further advantageous embodiment may provide that a gap extends between the first and the second fitting body and is limited by these end.
- the gap can be limited by body edges of the sections. If it is now provided that the gap also extends from one fitting body to the other fitting body, the length of the gap is over the entire length
- the gap is limited exclusively by body edges of the subsections, ie, due to Ausges ⁇ taltung and profiling of the body edges recesses are formed within the Isolierabiteses, bounded by abutting abutting subsections and of these is completely enclosed.
- the shells each have at least two sections of different curvature radii.
- Sections of the sections may be equipped with different radii of curvature.
- an inner circumferential surface and an outer surface, which extend in the radial direction one behind the other have different radii of curvature, so that the wall thickness of the sections in this area and the different curvatures is not constant.
- the sections are arranged distributed with different radii of curvature along the longitudinal axis, so that a Hüllkontur arises, wel ⁇ che has different radial dimensions.
- the Iso ⁇ lierabites has a radially enlarged section centrally.
- a central bulging of the insulating section increases the receiving space in the interior of the switching chamber. Thereby, it is possible to provide the inner portion of the switching chamber with an increased volume, so that the insulating medium located within the switching chamber can be stored sufficiently.
- the insulating medium can flow or also flow out via the gap, so that the switching chamber can always be traversed by a fresh, uncontaminated insulating medium.
- a further advantageous embodiment can provide that at least one end side of the sections are encompassed by a common ring electrode of a valve.
- An embodiment of a faucet with a ring electrode allows to arrange a tri- pelddling in Schirmungs Scheme the ring electrode, meet at which electrically insulating material of the sections, electrically conductive material of a valve body and an electrically insulating fluid ⁇ Me dium. Due to the shielding effect of
- Electrode the shielding field is field-free, so that a are partial discharges in triple largely vermie ⁇ is.
- An advantageous embodiment may provide that similar ring electrodes are arranged on both valves, wherein the ring electrodes project beyond the maximum radial extent of the electrically insulating insulating section.
- a bulge in the central section of the electrically insulating insulating section is only extended to the extent that the ring electrodes completely cover the insulating section in the radial direction. In a projection in the direction of the longitudinal axis, the ring electrodes completely overshadow the insulating section. This ensures that the ring electrodes in addition to a dielectric effect and a mechanical
- subsections are cast bodies, in particular Isolierharzguss- body.
- the subsections can be produced by a single casting process.
- Simple casting molds can be used which are free of undercuts or are similar, so that an easy release or molding of the castings is possible.
- easily molded body are given because the body edges have no undercuts on a full circle in cross section.
- Insulating resin is suitable in a special way, since this resin is insensitive to thermal influences and has a good insulation resistance.
- insulating resins are mechanically resilient and have a favorable aging behavior.
- the insulating resin can be provided with reinforcements, for example in the form of glass fibers.
- a further advantageous embodiment may provide that the gap extends substantially parallel to the longitudinal axis.
- a parallel course to the longitudinal axis can, for example, take place such that the gap extends on a straight line which is aligned parallel to the longitudinal axis.
- this column should be sämtlichst paral lel ⁇ one another and aligned parallel to the longitudinal axis.
- several gaps are aligned parallel to each other, but are skewed to the longitudinal axis.
- the gap profile is arranged arbitrarily within the envelope contour of the part ⁇ sections. For example, a gap may also be formed in a spiral, curved, etc. between the sections.
- Another object of the invention is to provide a power ⁇ switch which makes use of the above-described switching chamber.
- the object is achieved according to the invention characterized in that the circuit breaker has a switching chamber, which has features according to one of claims 1 to 10, and a switching path with relatively ⁇ be wegbaren switch contact pieces, wherein a limited by the switching contact pieces switching path of the insulating ⁇ section of the switching chamber is surrounded.
- Switch contact pieces of a circuit breaker are used to ⁇ education of an electrical current path or a separation of an electrical current path.
- the Wegkon ⁇ tact pieces are generally movable relative to each other.
- a stationary state ie a high insulation resistance by a fluid Isoliermedi ⁇ is made.
- discharge phenomena may occur, which can lead to contamination of the fluid insulating medium. Therefore, it is necessary that a sufficient volume of insulating medium is provided in the interior of the switching chamber, which can be exchanged or swirled at a sufficient speed, at least during a switching operation.
- Suitable insulating materials are insulating fluids such as oils and insulating gases such as sulfur hexafluoride.
- the fitting body of the switching chamber can be configured as electrically conductive elements, which are also in the switched-off state of the circuit breaker, ie, the switching path is electrically insulating, under defenceli ⁇ Chen voltage potentials are applied.
- This potential difference ⁇ is to separate from each other by the electrically insulating section of the switching chamber.
- the electrically insulating portion has on the one hand the task of a Po ⁇ tentialtrennung, on the other hand, the electrically insulating insulation section also serves a mechanical positioning of the valve body relative to each other.
- the two valve bodies and the electrically insulating section form a rigid-angle composite.
- a gap is arranged relative to a vertical below the switching path.
- Switching chamber are led out. Outside the switching chamber so-called particle traps can be arranged, in which the abrasion, etc. is collected within a field-free space.
- a removal of interfering particles from the switching chamber is advantageous in order not to adversely affect the insulation resistance of the electrically insulating insulating section.
- the interior of the elekt ⁇ risch insulating section is free of undercuts, which would promote a deposition of abrasion or Abbrand arean or other particles inside the switching chamber. Burning, abrasion or other unwanted particles can fall out of the switching chamber with gravity support. Ge ⁇ if necessary during a switching operation generated mechanical ⁇ -specific shocks and vibrations can additionally support this falling out.
- an afterflow of insulating fluid is made possible by means of an arrangement of a gap below the switching path.
- the optionally contaminated insulating medium from the switching ⁇ chamber can be discharged.
- a thermal effect is given, which drives a heated insulating medium up through the gap located above the switching path. A subsequent flow of non-contaminated insulating medium outside the switching chamber into the interior of the switching chamber is thus additionally supported.
- Figure 1 is a perspective view of a switching chamber in
- Figure 2 shows a longitudinal section through the known from the figure 1 switching chamber in the assembled state
- FIG. 1 shows a switching chamber which has a first fitting body 1 and a second fitting body 2.
- the two valve body 1.2 are constructed similar and designed as such rotationally symmetrical.
- the rotation ⁇ axes of the valve bodies 1,2 are coaxial with each other angeord- net and define a longitudinal axis 3 of the switching chamber.
- the first fitting body 1 has a pipe socket 4.
- the pipe socket 4 is designed as a hollow cylinder and has a substantially constant wall thickness.
- a sheet flange 5 adjoins the pipe socket 4.
- a plurality of penetrating recesses are arranged.
- a ring electrode 7 On the outer circumference of the web 6, a ring electrode 7 is placed.
- the ring electrode 7 has on its outer periphery a toroidal rounded structure.
- the ring electrode 7 covers the web 6 both in the radial direction and with respect to the axis of rotation of the first valve body 1 on both sides in the axial direction.
- a plurality of recesses are provided, via which 6 further components can be fastened to the web.
- the web 6 together with the spaced web 6 recesses located in the screen area of the ring electrode 7.
- the first valve body 1 is preferably made of a elekt ⁇ driven conductive material, such as aluminum or Kup ⁇ fer, wherein the first valve body 1 is preferably a cast body which would optionally subsequently edit spa Nend, for example to introduce recesses or mold lines to remove.
- the first fitting body 1 and the second fitting body 2 are constructed identically and offset in the opposite direction on the longitudinal axis 3 offset angeord ⁇ net, so that the two ring electrodes 7 of the first fitting body 1 and second fitting body 2 facing each other and the ends of first fitting body 1 and second fitting body 2 with the respective leaf flanges 5 away from each other.
- the switching chamber has an electrically insulating insulating section 8.
- the insulating section 8 comprises a first shell- Part 9a and a second shell-shaped portion 9b on.
- the two dish-shaped portions 9a, 9b are identical parts, which have been ge ⁇ cast by a casting method.
- the two sections 9a, 9b Giesharz Archives.
- the two sections 9a, 9b are each designed shell-shaped, wherein the sections 9a, 9b are aligned substantially coaxially to the longitudinal axis 3 and have a nearly constant wall thickness, so that the two sections 9a, 9b define a rotationally symmetrical envelope contour of the insulating section 8 ,
- the envelope ⁇ contour is aligned coaxially to the longitudinal axis 3.
- the sections 9a, 9b are provided with a nikringsektorför- shaped cross section, wherein the sector angle is less than 180 °, so that between the opposite body edges of the sections 9a, 9b, a first gap 10a and a second gap 10b are formed.
- the two gaps 10a, 10b lie on diametrically opposite sides in the envelope contour.
- the gaps 10 a, 10 b have a linear course, which is aligned parallel to the direction of the longitudinal axis 3.
- the gaps 10a, 10b pass through the entire insulating section 8, wherein the gap widths are approximately constant.
- internal thread 11 In the end faces of the shell-shaped sections 9a, 9b, which may alternatively be referred to as channel-shaped, internal thread 11 are introduced.
- the position of the internal thread 11 corresponds to the introduced in the webs 6 of the fitting body 1, 2 recesses, so that a screw can be pushed through a recess 6 of a web, wherein over threads of the screws, which dig into the internal threads 11, an angularly rigid composite between the sections 9a, 9b and the valve bodies 1, 2 can take place.
- By screwing the fitting body 1, 2 with the sections 9a, 9b of the insulating section 8 is an angular given rigid compound of the switching chamber.
- the threads 11 may be introduced into dowels, which are embedded in the end sections in the sections 9a, 9b. Both the screws with screw head and screw bolt and the dowels are dimensioned such that they are located in the shield area of the respective ring electrode 7 (see Fig. 2).
- the shell-shaped partial sections 9a, 9b are designed such that a section is formed centrally, which has a greater radius of curvature than the sections of the partial sections 9a, 9b located at the end. As a result, a centrally radially enlarged space is formed on the switching chamber, which can serve to receive switching contact pieces of a circuit breaker.
- FIG. 2 shows a longitudinal section through the switching chamber known from FIG. 1 in the assembled state.
- the sectional plane corresponds to the sectional plane I-I shown in FIG.
- screws 12 are exemplified, which are screwed ⁇ in dowels 13 in the sections 9a, 9b ⁇ and thus form a rigid connection between the armature bodies 1, 2 and the insulating section 8.
- the inner diameter of the ring electrodes 7 is dimensioned such that in the state of the rigid connections of the sections 9a, 9b with the valve bodies 1, 2 between the outer surface of the sections 9a, 9b, which are encompassed by the ring electrodes 7, and an inner circumferential surface of the ring electrode 7 an annular gap remains, which is filled with a fluid insulating medium.
- the triple point between the insulating material of the end sides of the sections 9a, 9b and the metallic material of the fitting bodies 1, 2 and the insulating medium is arranged in a dielectrically shielded shield area of the ring electrodes 7.
- the ring electrodes 7 are widened in the radial direction such that the outer surfaces of the ring electrodes 7 define the point of the switching chamber radially farthest from the longitudinal axis 3.
- the centric radially expanded portion of the Isolierab- section 8 is protected by the ring electrodes 7.
- the gap 10a as well as the gap 10b extend linearly through the entire insulating section 8, so that the gaps 10a, 10b in the circumferential direction are bounded by body edges of the subsections 9a, 9b, whereas in the axial direction a limitation of the gaps 10a, 10b the fitting body 1, 2 takes place.
- the gaps 10a, 10b have a linear course in the direction of the longitudinal axis 3 and are provided with a constant width. Shape and position of the column 10a, 10b is determined by the mutually facing body edges of the respective adjacent sections 9a, 9b of the insulating section 8.
- FIG. 3 shows the longitudinal section of a switching chamber known from FIG. 2, wherein the switching chamber has been supplemented by switching contact pieces of a circuit breaker.
- the ARMA ⁇ turintelligence 1, 2 are part of a current path which can be interrupted or may be prepared by ei ⁇ NEN circuit breaker.
- Of the first fitting body 1 is connectable to a first electrical line z.
- the second fitting body 2 is connectable to a second electrical line z.
- a first switching contact piece 14 and a second switching contact piece 15 are arranged in the interior of the switching chamber.
- the two arcing contact pieces rush into the nominal current contact pieces during a switch-on process, whereas in the event of a disconnection operation, the two rated current contact pieces are first opened and subsequently the two arcing contact pieces are separated from one another.
- the two switching contact pieces 14, 15 are movable along the longitudinal axis 3 relative to each other. It can be provided that only one of the switching contact pieces 14, 15 or both of the switching contact pieces 14, 15 are movable.
- the arcing contact piece of the first Heidelberg.stü ⁇ ckes 14 is tubular and designed at its the second switching contact piece 15 facing end as a bush-shaped contact element with elastically deformable contact fingers.
- the arcing contact piece of the second switching contact piece 15 is bolt-shaped usuallystal ⁇ tet, which is correspondingly inserted into the socket of the arc ⁇ contact piece of the first switching contact piece 14.
- the rated current contact pieces always carry the same electrical potential as each of the same Wegkon ⁇ contact piece 14, 15 located arcing contact pieces.
- the rated current contact pieces surround the LichtbogenAuthstü ⁇ blocks each radially, that rated current contact piece of the f ⁇ th switching contact piece is provided with a cylindrical outer lateral surface 14 on which elastically deformable
- a switching path 16 is formed between the two switching contact pieces 14, 15, a switching path 16 is formed.
- the switching path 16 is spanned by the sections 9a, 9b of the insulating section 8 in the radial direction.
- the gap 10b is below the switching path ⁇ arranged 16, that, in the installed state is the sectional plane of figure 3 in a horizontal so that a vertical plane of the drawing of Figure 3 perpendicular he ⁇ out stands.
- the second gap 10a is thus above the
- Switching path 16 arranged relative to the vertical.
- the switching path 16 is of an insulating material 17 vice ⁇ ben surrounding the arc pieces and is itself surrounded by the rated current contact pieces, at least in the on state.
- a switching gas intermediate storage lumen 18 is located within the rated current contact piece of the first switching contact piece 14 .
- the switching chamber shown in FIG. 3 is typically arranged inside an encapsulating housing of a circuit breaker.
- the encapsulating housing encloses the switching chamber and forms a hermetically sealed space.
- This hermetically sealed space is filled with a fluid Isolierme ⁇ dium, such as an insulating oil or an insulating gas.
- a pressure increase inside the hermetically sealed NEN space desired to increase the insulation strength of the gasför ⁇ shaped insulating fluid in addition.
- Switching contact piece 15 in the direction of the longitudinal axis 3 with opposite sense of direction away from each other. First, the rated current contact pieces of first switching contact piece 14 and second switching contact piece 15, while the two arcing contact pieces are still engaged with each other. An electric current driven via the current path commutates on the arcing contact pieces. Subsequently, the two arcing contact pieces of ers ⁇ tem switching contact piece 14 and second switching contact piece 15 separate.
- the arcing contact piece of the second switching contact piece 15 damps the insulating material nozzle 17.
- an arc occurs due to the potential difference between the two switching contact pieces.
- the arc heats insulating fluid within the switching chamber and generates
- Switching gas Due to the damming of the insulating material 17, these switching gases can deduct in the direction of the tubular alreadystal ⁇ ended first switching contact piece 14. Furthermore, a withdrawal of switching gas via the switching gas channel 19 in the switching gas buffer volume 18 is possible. Due to the thermal energy and the dimensioning of intermediate switching gas storage volume 18 and switching gas channel 19, a flow of switching gas takes place in the switching gas intermediate storage volume 18. Due to continuous flow of switching gas there is an increase in pressure in the switching gas buffer storage volume 18. Due to the arc and the dammed insulating material 17 is a backflow of
Landscapes
- Circuit Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Breakers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010005090A DE102010005090A1 (de) | 2010-01-15 | 2010-01-15 | Schaltkammer für einen Leistungsschalter sowie Leistungsschalter mit Schaltkammer |
PCT/EP2011/050127 WO2011086028A1 (de) | 2010-01-15 | 2011-01-06 | Schaltkammer für einen leistungsschalter sowie leistungsschalter mit schaltkammer |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2524386A1 true EP2524386A1 (de) | 2012-11-21 |
EP2524386B1 EP2524386B1 (de) | 2016-07-20 |
Family
ID=43837279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11700122.2A Active EP2524386B1 (de) | 2010-01-15 | 2011-01-06 | Schaltkammer für einen leistungsschalter sowie leistungsschalter mit schaltkammer |
Country Status (10)
Country | Link |
---|---|
US (1) | US8975551B2 (de) |
EP (1) | EP2524386B1 (de) |
CN (1) | CN102714108B (de) |
AU (1) | AU2011206714B2 (de) |
BR (1) | BR112012017379B8 (de) |
CA (1) | CA2787076C (de) |
DE (1) | DE102010005090A1 (de) |
MX (1) | MX2012006573A (de) |
RU (1) | RU2562804C2 (de) |
WO (1) | WO2011086028A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2390890B1 (de) | 2010-05-28 | 2015-03-25 | ABB Technology AG | Schaltkammerisolationsanordnung für einen Leistungsschalter |
FR2982069B1 (fr) | 2011-10-27 | 2013-12-20 | Alstom Technology Ltd | Chambre de coupure dotee d'un tube limitant l'impact de la generation de particules et appareillage electrique de coupure equipe d'une telle chambre de coupure |
FR2986101B1 (fr) * | 2012-01-20 | 2014-12-26 | Alstom Technology Ltd | Isolateur en materiau composite destine a contenir une chambre de coupure |
DE102013010124A1 (de) | 2013-06-18 | 2014-12-18 | Abb Technology Ag | Schaltkammer für einen gasisolierten Leistungsschalter |
FR3029351B1 (fr) * | 2014-12-02 | 2017-12-29 | Alstom Technology Ltd | Dispositif de coupure electrique integrant un disjoncteur et un sectionneur |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1170039B (de) * | 1958-12-10 | 1964-05-14 | Licentia Gmbh | Gekapselte Schaltanlage fuer Mittel- und Hochspannung |
DE1182412B (de) | 1960-02-29 | 1964-11-26 | Siemens Ag | Verfahren zum rissefreien Ausgiessen des Zwischenraumes zwischen zwei ineinander angeordneten Metallkoerpern mit Giessharz |
FR2354628A1 (fr) * | 1976-06-10 | 1978-01-06 | Merlin Gerin | Disjoncteur d'un poste blinde a haute tension |
US4249050A (en) * | 1977-12-30 | 1981-02-03 | Tokyo Shibaura Denki Kabushiki Kaisha | Vacuum switch |
US4351990A (en) * | 1980-08-01 | 1982-09-28 | Westinghouse Electric Corp. | Interphase barrier for switchgear |
DE9106309U1 (de) * | 1991-05-17 | 1992-09-17 | Siemens AG, 8000 München | Schaltkammer für einen metallgekapselten Druckgasschalter |
US5852266A (en) * | 1993-07-14 | 1998-12-22 | Hitachi, Ltd. | Vacuum circuit breaker as well as vacuum valve and electric contact used in same |
JP2765481B2 (ja) | 1994-05-30 | 1998-06-18 | 王子製紙株式会社 | 高圧負荷開閉器の入力側保護カバー |
FR2808117B1 (fr) * | 2000-03-31 | 2003-01-24 | Schneider Electric Ind Sa | Appareillage electrique de coupure comportant une ampoule a vide et une liaison electrique flexible |
TWI228339B (en) * | 2002-11-06 | 2005-02-21 | Mitsubishi Electric Corp | Metal-enclosed switchgear |
DE10345657B4 (de) * | 2003-09-25 | 2005-08-18 | Siemens Ag | Schaltkammer |
ATE504933T1 (de) | 2005-02-10 | 2011-04-15 | Abb Technology Ag | Schaltkammer für einen gasisolierten hochspannungsschalter |
WO2009125467A1 (ja) * | 2008-04-07 | 2009-10-15 | 三菱電機株式会社 | 真空遮断器及びそれを用いたガス絶縁開閉装置 |
-
2010
- 2010-01-15 DE DE102010005090A patent/DE102010005090A1/de not_active Ceased
-
2011
- 2011-01-06 RU RU2012134791/07A patent/RU2562804C2/ru active
- 2011-01-06 CN CN201180006161.6A patent/CN102714108B/zh active Active
- 2011-01-06 US US13/522,359 patent/US8975551B2/en active Active
- 2011-01-06 AU AU2011206714A patent/AU2011206714B2/en active Active
- 2011-01-06 EP EP11700122.2A patent/EP2524386B1/de active Active
- 2011-01-06 BR BR112012017379A patent/BR112012017379B8/pt active IP Right Grant
- 2011-01-06 MX MX2012006573A patent/MX2012006573A/es active IP Right Grant
- 2011-01-06 WO PCT/EP2011/050127 patent/WO2011086028A1/de active Application Filing
- 2011-01-06 CA CA2787076A patent/CA2787076C/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011086028A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102714108A (zh) | 2012-10-03 |
US20120292291A1 (en) | 2012-11-22 |
RU2012134791A (ru) | 2014-03-27 |
MX2012006573A (es) | 2012-06-28 |
CA2787076C (en) | 2019-01-22 |
US8975551B2 (en) | 2015-03-10 |
CA2787076A1 (en) | 2011-07-21 |
BR112012017379A2 (pt) | 2016-04-19 |
AU2011206714B2 (en) | 2014-11-20 |
DE102010005090A1 (de) | 2011-07-21 |
EP2524386B1 (de) | 2016-07-20 |
BR112012017379B1 (pt) | 2020-03-17 |
WO2011086028A1 (de) | 2011-07-21 |
CN102714108B (zh) | 2016-01-06 |
AU2011206714A1 (en) | 2012-07-19 |
RU2562804C2 (ru) | 2015-09-10 |
BR112012017379B8 (pt) | 2023-04-25 |
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