EP3472847A1 - Isolatoranordnung für eine hoch- oder mittelspannungsschaltanlage - Google Patents
Isolatoranordnung für eine hoch- oder mittelspannungsschaltanlageInfo
- Publication number
- EP3472847A1 EP3472847A1 EP17748661.0A EP17748661A EP3472847A1 EP 3472847 A1 EP3472847 A1 EP 3472847A1 EP 17748661 A EP17748661 A EP 17748661A EP 3472847 A1 EP3472847 A1 EP 3472847A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- structural element
- insulator arrangement
- arrangement according
- insulator
- ring structure
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
- H01H2033/66276—Details relating to the mounting of screens in vacuum switches
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
- H01H2033/66284—Details relating to the electrical field properties of screens in vacuum switches
Definitions
- the invention relates to a method for producing a ceramic insulator according to the preamble of patent claim 1.
- the insulating ability of solids such as alumina ceramics to withstand high stress is generally very high, but has its limits in the finite dielectric strength of solids. This also applies to high-voltage insulators, reindeer particular ceramic insulators for Central and Hochhardsvakuumschaltröh-.
- Reason is the discharge structure within Isolato ⁇ reindeer, which is influenced by the defect density in the field direction. In this case, the dielectric strength, the breakdown of the solid state in the solid does not directly with the Iso ⁇ latorilia, but it is proportional to the root of the insulator length.
- the composite of a plurality of such shorter insulators has a higher withstand voltage than an equal-length, one-piece insulator according to the above-described law of internal withstand voltage.
- this soldering process is very costly, since a high technical complexity is required to produce the corresponding vacuum tightness for the connection.
- the object of the invention is to provide a technically cost-effective to manufacture ceramic insulator for a high or medium voltage switchgear.
- the solution of the problem consists in an insulator assembly for a vacuum tube of a high or medium voltage switchgear with the features of claim 1 and in a Vaku ⁇ umrschreibe for a high or medium voltage switchgear with the features of claim 11.
- the insulator arrangement according to the invention has at least one axially symmetrical insulating structural element, the invention being characterized in that the structural element has a conductive ring structure (8) arranged on its inner surface (6) and a conductive ring arranged on its outer surface Ring structure (14), which are isolated from each other by the insulating structural element.
- the described ring structures form in the region of the structural element and also in the region of the entire
- equipotential surfaces are understood as meaning conductive layers on or between the structural elements, which have a higher electrical conductivity than the ceramic material of the structural elements and which are arranged perpendicular to the axis of symmetry and which define equipotential surfaces for axial electric fields.
- the insulator assembly is electrically divided into short axial pieces, which increases the dielectric strength of the sub-section as well as the entire insulator.
- a further outer ring structure is attached to an outer side of the structural element, with the ring structure in the interior of the structural element with respect to a solder on the L Lucassach ⁇ se of the structural element has an overlap.
- the equipotential surfaces thus formed are not formed by conductive layers between successive structural elements but as a region of greatly reduced axial electric field strength inside the insulator, the field strength reduction in the axial direction being due to the shielding effect of the conductive and internally applied conductive elements Coating is mediated.
- the annular combustion structure with respect to the inside and outside substantially at the same height being ⁇ introduced to the axis of the structural element is, in that at least one solder precipitated on the longitudinal ⁇ axis of the structural element passing through both ring structures.
- the two ring structures are capacitively coupled to one another, so that a region with a low axial field strength results radially in the structural element. It may be appropriate to expand and better geometric design of the
- At least two structural elements are provided which are joined together along their end faces, wherein each of the at least two structural elements has at least one ring structure.
- Two ring structures have the advantage that reason ⁇ additionally the height of the insulator assembly grows and thus to a large extent also a higher electrical skills- is strength achieved when each of these structural elements comprising a further ring structure, thus a further increase in the breakdown field strength for the entire
- the structural element (4, 4 ⁇ ) has an axial extent, which is between 10 mm and 200 mm, preferably between 20 mm and 80 mm, be ⁇ particularly preferably between 20 mm and 40 mm.
- Structural elements are technically herzustel ⁇ len with a relatively reasonable cost, and further a high dielectric strength is realized, in particular by applying the ring structures described.
- the spacing of the annular combustion structures, both the outer and the inner ring structure in an axial direction between 5 mm and 40 mm.
- the effect of the equipotential surfaces is optimized in this distance range, so that there is a technically good relationship between insulation and charge removal.
- the ring structure itself can be configured in various forms.
- the ring structure consists of a metallic structure or of a conductive self-supporting structure, in particular in the form of a ring or in the form of a band or in the form of a film, which is applied to the corresponding surface of the structural element.
- it may be expedient to apply the ring structure in the form of a coating in which case all common coating methods are expedient.
- the so-called plasma chemical vapor deposition, PCVD or CVD but also the sputtering, vapor deposition or spraying and the doctoring and baking in the form of screen printing can be useful here.
- the guide can adjust the surface resistance or resistance to the ring structure particularly well.
- Another aspect of the invention is a vacuum interrupter for high and medium voltage applications which includes an isolator assembly according to claims 1-7.
- FIG. 1 shows a cross-sectional view of a vacuum interrupter with an insulator arrangement, wherein the left-hand part of the vacuum interrupter represents the state of the art.
- FIG. 2 shows a three-dimensional representation of a structural element, each having a ring structure inside and outside,
- Figure 3 is a cross-sectional view of the structural member of Figure 2, also cross-sectional view of the Strukturele ⁇ mentes of Figure 2 with a staggered arrangement of the ring structures,
- FIG. 6 shows a structural element with ring structures and a
- Figure 7 shows a structural element analogous to the representation in Figure 2 in cross-sectional view with shielding plates in the inner region
- Figure 8 shows a cross section through an insulator assembly with two joined structural elements
- Figure 9 is a graphical representation of the relationship of
- Breakdown field strength and the height or thickness of the insulator material of the structural element are Breakdown field strength and the height or thickness of the insulator material of the structural element.
- Figure 1 is a cross-sectional view of a typical vacuum interrupter 3 is shown, the figure 1 viewed from left to right on the left side of the prior
- the vacuum interrupter 3 comprises an insulating space 25 in which two switching contacts 26 are arranged along a longitudinal axis 20 through the substantially rotationally symmetrical vacuum interrupter 3. At least one of the switching contacts 26 is with respect to the axis 20th
- This isolator assembly 2 is in particular in the art from the compound of a plurality of structural elements 4, which are joined to each other end face, wherein a corresponding place vacuum tightness ensuring end joining ⁇ process application.
- the vacuum interrupter described here differs from the prior art in that ring structures 8 and 16, which are arranged in the inner region, are provided on the structural elements 4. Furthermore, it is expedient likewise in the outer region of the structural element 4 to have ring structures 16. bring to.
- the ring structures 8 and 16 are arranged such that they are located at the same height both inside and outside along the axis 20, essentially with respect to a longitudinal axis 20, so that at least a partial overlap exists.
- shielding plates 24 can be arranged on the structural elements 4 or on the insulator arrangement 2, which prevents a flashover between the contact 26 and the relatively conductive surfaces in the region of the ring structure 8.
- both the ring structures 8 and / or 16 and the connection regions 27, which are usually equipped as conductive Lotstellen serve as the equipotential surfaces already described, which acts as a zone greatly reduced field strength in the axial direction and thus a breakdown of the Isolator 2 prevents.
- the introduction of the ring structure increases the internal dielectric strength of a hollow cylindrical high-voltage insulator.
- a part of the ultra-high-vacuum-tight envelope of the vacuum interrupter is simultaneously increased by the fact that along the inner (vacuum-side) and outer
- Ceramic surfaces at shorter intervals conductive structures so the ring structures described here 8, 16 are applied to the ceramic of the structural element.
- These ring ⁇ structures 8, 16 have preferably a metallic or Annae ⁇ hernd metallic conductivity at least three toe ⁇ nerpotenzen is higher than the conductivity of the adjacent surface 10 of the structural element 4.
- the ceramic is electrically relieved in the interior of short axial portions of high axial field strengths and thus divided in the axial direction.
- the dielectric Festig ⁇ ness is not only along a section between two Equipotential surfaces but also greatly increased along the entire structural element 4.
- the starting point is essentially ceramic structural elements 4, which are preferably in the form of a hollow-cylindrical insulator structure, however an embodiment of the structural element 4 is provided by insulators based on polymers or composite materials, eg glass-reinforced or filled with quartz or other ceramic powders Epoxy resin also appropriate. Also deviating from the symmetrical circular cross sections such as ellipses or polygons are possible ⁇ Liche solutions.
- One advantageous effect of the invention is, inter alia, that the subdivision of a conventionally long ceramic structural element 4 by the application of conductive equipotential surfaces 9 in the form of the described ring structures 8, 16 in the inner and preferably outer region of the structural element 4 either already during manufacture on the ceramic body to integrate or subsequently on this
- a single structural element having a predetermined height has a higher electrical strength than the same structural element without the conductive ring structures 8, 16 described by this measure.
- Isolatoranordung possibly depending on the required insulation, significantly reduced because fewer separation points or connections 27 are required. It can be enough, depending on the requirement, instead of three structural elements to one
- Assemble insulator assembly 2 only two structural elements apply. This establishes a connection 27. saves a particularly high proportion of the total cost in the production of the insulator assembly 2. In addition, thus a source of error in a possible leakage of the vacuum interrupter 3 is eliminated.
- the ring structure which acts in an area in the interior of the ceramic is equivalent to an equipotential surface 9, is thus not as physically be introduced layer as Example ⁇ , the compound 27 is configured, but as functionally equivalent but much more easily applied Zone With a significantly increased electrical conductivity with respect to the adjacent surface 10 of the structural element 4. It can be formed along a structural element in the axial direction (along the longitudinal axis) a plurality of areas with the ring structures, so as to further shorten the burdened with high electrical field strengths Isolatorteilinn without the electric strength at the Oberflä ⁇ surface of the insulator body in an axial direction to impair ⁇ gen.
- Metal oxides or mixtures are, inter alia, those which are also used for the metallization of ceramics e.g. be used according to the so-called Mo / MnO method, or which are used for the reactive solder joint of metallic and ceramic components.
- interrupted ring structures both ring structures 16 and ring structures 8, which have, for example, interrupted ribbons, staggered bands or rings or points which are adjacent but not touching.
- layers which can be configured by sputtering, vapor deposition, spraying or CVD or PCVD method as metallic metal oxide layers or as metal borides, carbides or metal nitrides.
- organically bound, conductive lacquers which are freed from the organic phase by thermal treatment.
- graphitic or graphite-containing layers for example by the Aquadag method are suitable to represent the corresponding ring structures. This also applies to graphite structures generated by entspre ⁇ sponding abrasion of a carbon source / graphite source who ⁇ .
- the method described is an example of possible representations of the described ring structures 8 and 16.
- Insulator assembly 2 are provided with the so-called shield systems or shield plates 24, as shown for example in Figure 7 but also in the figure 1. This results in an additional function, which can, for example, since there are ⁇ rin that these shielding plates 27 is a shielding of the ceramic surface prior to vapor deposition of metal vapor generated from the switching arc.
- the ring structures 8, 16 need not necessarily be configured by ⁇ continuous, ie be carried out continuously, but can also be as flat structures structures consisting of ras terförmig applied closely adjacent conductive structural, for example dots or dashes are executed. Such layers are particularly advantageous to produce by screen printing methods such as doctoring.
- FIG. 2 shows a three-dimensional representation of a structural given turiatas 4, which is substantially rotationssymmet ⁇ driven, in this case shown in cylinder form and the ring structure has an inner surface 6 8 ⁇ which is shown in phantom in Figure 2 and at one ner outer side, an outer ring structure 16 is arranged.
- FIG. 3 which shows a cross-sectional view of FIG. 2, the ring structures 16 and 8 extend at the same height with respect to an axial extent of the structural element 4. That means a solder 18, which is precipitated on the axis 20, passes through both the inner ring ⁇ structure 8 and the outer ring structure 16 and this ⁇ at least in a coverage area.
- a structural element 4 comprising an analog embodiment, to the structural element 4 in figure 3, but the too ⁇ additional surface coating has on its outer surface 22, which is preferably a sheet resistance of typically 100 megohms per square having what a bad conductor or, in other words, does not represent an insulator.
- this surface 22 acts on this surface 22 both an ohmic and non-linear current voltage characteristic. This is used for electric field control on the surface and to reduce the charging of the surface with electric charges.
- the high surface resistivity conductive coating between 10 8 ohms and 10 12 ohms may also be deposited on the inside or both sides of the ceramic.
- the resistance layer can be located below the ring Structures 8, 16 may be applied as in another embodiment, the cover over the ring structures 8, 16 extend.
- insulator assemblies 2 are shown, which consist of only one structural element 4.
- these insulator arrangements 2 are designed here only in the middle region with ring structures 8, 16 in this exemplary embodiment.
- the ring structures 8, 16 have a typical distance in the axial direction, which is between 10mm and 40mm.
- a typical structural element 4, as shown in Figu ⁇ ren 2-7, 8 and 16 can thus have a plurality of ring structures on the inside and the outside, which lead to the above described advantageous, inner electrical effects.
- FIG. 8 shows an insulator arrangement 2 which is composed of two structural elements 4.
- the structural ⁇ turemia 4 in Figure 8 are joined by the connecting end face 27th
- the connection 27 likewise consists of a metallically conductive layer and likewise represents an equipotential surface 9.
- Equipotential surfaces 9 are shown in the conventional construction of vacuum interrupters 3 and insulator arrangements 2 for vacuum interrupters by the solder joints. Due to the additional ring structures 8 and 16 described here, on the one hand a shortening of the distances of
- Equipotential surfaces 9 causes so that, for example, at a distance of 5 units of length between the ring structures, the dielectric strength of 60 kV can be achieved.
- a virtual equipotential surface 9 ⁇ is introduced, which causes a virtual Verür ⁇ tion of the ceramic without soldering.
- 2x5 units of length along the same structural element while a dielectric strength of 120 kV can be achieved already with a forth ⁇ grommliches structural element according to the prior art for the same example would yield only 90 kV electric strength. This causes the entire length of the
- Insulator assembly 2 can be significantly reduced, which on the one hand represents a significant reduction of the manufacturing process cost, which in turn is reflected in a significant cost reduction with less space of the vacuum interrupter 3.
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016214752.8A DE102016214752A1 (de) | 2016-08-09 | 2016-08-09 | Verfahren zur Herstellung eines keramischen Isolators |
| PCT/EP2017/068073 WO2018028946A1 (de) | 2016-08-09 | 2017-07-18 | Isolatoranordnung für eine hoch- oder mittelspannungsschaltanlage |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3472847A1 true EP3472847A1 (de) | 2019-04-24 |
| EP3472847B1 EP3472847B1 (de) | 2025-01-01 |
| EP3472847C0 EP3472847C0 (de) | 2025-01-01 |
Family
ID=59523073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17748661.0A Active EP3472847B1 (de) | 2016-08-09 | 2017-07-18 | Isolatoranordnung für eine hoch- oder mittelspannungsschaltanlage |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10685797B2 (de) |
| EP (1) | EP3472847B1 (de) |
| CN (1) | CN109716474B (de) |
| DE (1) | DE102016214752A1 (de) |
| WO (1) | WO2018028946A1 (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016214752A1 (de) | 2016-08-09 | 2018-02-15 | Siemens Aktiengesellschaft | Verfahren zur Herstellung eines keramischen Isolators |
| US11201031B2 (en) * | 2018-03-22 | 2021-12-14 | Varex Imaging Corporation | High voltage seals and structures having reduced electric fields |
| DE102018212853A1 (de) * | 2018-08-01 | 2020-02-06 | Siemens Aktiengesellschaft | Vakuumschaltröhre und Hochspannungsschaltanordnung |
| US11688578B2 (en) * | 2020-11-11 | 2023-06-27 | Moxtek, Inc. | Interruption-ring in an X-ray tube |
| CN115223820A (zh) * | 2021-04-21 | 2022-10-21 | 天津首瑞智能电气有限公司 | 一种瓷壳组件、真空灭弧室及其制造方法 |
| DE102021207964B4 (de) * | 2021-07-23 | 2025-01-23 | Siemens Energy Global GmbH & Co. KG | Vakuumschalteinheit und Vakuumschalter |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1902473A (en) * | 1929-04-20 | 1933-03-21 | Gen Electric | Device for supporting metal parts within a vacuum tube |
| JPS4844309B1 (de) * | 1968-04-01 | 1973-12-24 | ||
| DD226690A1 (de) | 1984-09-24 | 1985-08-28 | Buchwitz Otto Starkstrom | Schalterpol |
| US5189270A (en) * | 1990-08-03 | 1993-02-23 | Hitachi, Ltd. | Contact structure for vacuum circuit breaker |
| DE69918156T2 (de) * | 1998-10-20 | 2005-08-04 | Hitachi, Ltd. | Vakuumschalter und vakuumschaltanlage |
| JP4031895B2 (ja) * | 2000-02-09 | 2008-01-09 | 日本特殊陶業株式会社 | 釉薬層付きセラミック部材を用いた金属−セラミック接合体及びそれを用いた真空スイッチユニット |
| CN2439099Y (zh) * | 2000-09-06 | 2001-07-11 | 中原石油勘探局勘察设计研究院 | 一种绝缘桶 |
| DE10118960C1 (de) * | 2001-04-10 | 2003-01-23 | Siemens Ag | Isoliergehäuse, insbesondere Gehäuse einer Schaltröhre eines Vakuumschalters, mit einer Halterung zur Positionierung einer Steuerelektrode |
| JP4291013B2 (ja) * | 2003-03-04 | 2009-07-08 | 株式会社日本Aeパワーシステムズ | 真空バルブ |
| US20050082260A1 (en) * | 2003-10-15 | 2005-04-21 | G&W Electric Co. | Shielded encapsulated vacuum interrupter |
| DE102007022875B4 (de) * | 2007-05-14 | 2009-04-09 | Siemens Ag | Gehäuse für eine Vakuumschaltröhre und Vakuumschaltröhre |
| JP4568765B2 (ja) * | 2008-01-07 | 2010-10-27 | 株式会社日立製作所 | 真空スイッチギヤ |
| DE102008031473B3 (de) * | 2008-07-02 | 2010-03-25 | Siemens Aktiengesellschaft | Vakuumschaltröhre |
| JP5139214B2 (ja) * | 2008-09-18 | 2013-02-06 | 株式会社東芝 | 真空バルブ |
| DE102010005466B3 (de) * | 2010-01-20 | 2011-05-05 | Siemens Aktiengesellschaft | Vakuumschaltröhre |
| DE102010052889A1 (de) * | 2010-12-01 | 2012-06-06 | Merck Patent Gmbh | Teilleitfähige dielektrische Beschichtungen und Gegenstände |
| DE102016214752A1 (de) | 2016-08-09 | 2018-02-15 | Siemens Aktiengesellschaft | Verfahren zur Herstellung eines keramischen Isolators |
-
2016
- 2016-08-09 DE DE102016214752.8A patent/DE102016214752A1/de not_active Ceased
-
2017
- 2017-07-18 US US16/324,263 patent/US10685797B2/en active Active
- 2017-07-18 CN CN201780057245.XA patent/CN109716474B/zh active Active
- 2017-07-18 EP EP17748661.0A patent/EP3472847B1/de active Active
- 2017-07-18 WO PCT/EP2017/068073 patent/WO2018028946A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20190164708A1 (en) | 2019-05-30 |
| US10685797B2 (en) | 2020-06-16 |
| EP3472847B1 (de) | 2025-01-01 |
| EP3472847C0 (de) | 2025-01-01 |
| DE102016214752A1 (de) | 2018-02-15 |
| CN109716474B (zh) | 2021-03-09 |
| WO2018028946A1 (de) | 2018-02-15 |
| CN109716474A (zh) | 2019-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3472847B1 (de) | Isolatoranordnung für eine hoch- oder mittelspannungsschaltanlage | |
| EP1577904B1 (de) | Hochspannungsdurchführung mit Feldsteuermaterial | |
| EP3807920B1 (de) | Vakuumschaltröhre und hochspannungsschaltanordnung | |
| WO2016008729A1 (de) | Elektrische schaltvorrichtung für mittel- und/oder hochspannungsanwendungen | |
| DE69601515T2 (de) | Halbleiteranordnung mit Kompressionsverbindung und Verfahren zu ihrer Herstellung | |
| DE19510850C1 (de) | Vakuumschaltröhre | |
| DE2209089B2 (de) | Elektrisches hochspannungsgeraet | |
| WO2023001505A1 (de) | Vakuumschaltröhre und anordnung mit vakuumschaltröhren sowie verfahren zum absteuern von vakuumschaltröhren | |
| DE2834088A1 (de) | Gasentladungsroehre, insbesondere ueberspannungsableiter | |
| EP3436261B1 (de) | Verfahren zur herstellung eines keramischen isolators | |
| DE3887725T2 (de) | Vakuum-Entladevorrichtung. | |
| DE2459270C2 (de) | Vakuumunterbrecher | |
| DE3142281A1 (de) | Roentgenroehre mit einem metallteil und einer gegenueber dem metallteil positive hochspannung fuehrenden elektrode | |
| EP3559968A1 (de) | Isolatoranordnung für eine hochspannungs- oder mittelspannungsanlage | |
| EP3614536B1 (de) | Schleifringbrücke, schleifringeinheit, elektrische maschine und windkraftanlage | |
| EP4341974A1 (de) | Vakuumschaltröhre zum schalten von spannungen | |
| DE68927533T2 (de) | Trenner für gasisolierte Schaltanlage | |
| WO2020008058A1 (de) | Verbindungsmuffe | |
| EP0215034B1 (de) | Röntgenröhre mit einem die anode und die kathode umgebenden zylindrischen metallteil | |
| DE29717489U1 (de) | Röhre zur Verwendung im Mittelspannungs- und Hochspannungsbereich | |
| EP3469617B1 (de) | Keramikisolator für vakuumschaltröhren | |
| DE4125097C2 (de) | Kontaktanordnung für einen Vakuum-Leistungsschalter | |
| EP0661788B1 (de) | Hochspannungsanlage | |
| WO2017012740A1 (de) | Energietechnische komponente, insbesondere vakuumschaltröhre | |
| DE102021128369A1 (de) | Elektrodenanordnung und Verfahren zum Beschichten von flächigen Werkstücken mit einer elektrisch leitfähigen Schicht und Verwendung einer Elektrodenanordnung |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20190121 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| AX | Request for extension of the european patent |
Extension state: BA ME |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS ENERGY GLOBAL GMBH & CO. KG |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20220518 |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
| INTG | Intention to grant announced |
Effective date: 20240809 |
|
| GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: LANG, STEFFEN Inventor name: HARTMANN, WERNER |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502017016638 Country of ref document: DE |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
| REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
| U01 | Request for unitary effect filed |
Effective date: 20250117 |
|
| U07 | Unitary effect registered |
Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT RO SE SI Effective date: 20250123 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250101 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250101 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250401 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250501 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250101 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250402 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250101 |
|
| U20 | Renewal fee for the european patent with unitary effect paid |
Year of fee payment: 9 Effective date: 20250725 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250101 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20250101 |
|
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: L10 Free format text: ST27 STATUS EVENT CODE: U-0-0-L10-L00 (AS PROVIDED BY THE NATIONAL OFFICE) Effective date: 20251112 |
|
| 26N | No opposition filed |
Effective date: 20251002 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: H13 Free format text: ST27 STATUS EVENT CODE: U-0-0-H10-H13 (AS PROVIDED BY THE NATIONAL OFFICE) Effective date: 20260224 |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20250718 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20250718 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20250731 |