EP3659160A1 - High-voltage device having ceramic spacer elements, and use thereof - Google Patents
High-voltage device having ceramic spacer elements, and use thereofInfo
- Publication number
- EP3659160A1 EP3659160A1 EP18779226.2A EP18779226A EP3659160A1 EP 3659160 A1 EP3659160 A1 EP 3659160A1 EP 18779226 A EP18779226 A EP 18779226A EP 3659160 A1 EP3659160 A1 EP 3659160A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- component
- voltage device
- ceramic
- electrical
- 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.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 title claims abstract description 50
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 229910001018 Cast iron Inorganic materials 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 5
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 150000004767 nitrides Chemical class 0.000 claims 1
- 238000010292 electrical insulation Methods 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 241000974840 Ellipes Species 0.000 description 1
- 101100063504 Mus musculus Dlx2 gene Proteins 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
Definitions
- the invention relates to a high voltage device with a Ge ⁇ housing and at least one electrically isolated from the housing component.
- the at least one component is spaced apart and mechanically connected to the housing by the Ge ⁇ housing.
- the invention further comprises the use of the above-described high-voltage device.
- High-voltage devices in particular transducers or instrument transformers for voltages up to 1200 kV and / or a few thousand amperes are z. B. from US 3,525,908 known.
- a housing, for. B. arranged on an insulator comprises spatially ⁇ Lich facilities such.
- the conductor is electrically contacted with terminals on the insulator and / or on the housing, which are electrically isolated from the housing.
- the terminals are designed for connecting electrical lines of power grids, electrical consumers and / or generators.
- high currents in the range of several thousand amperes flow over the conductor from one terminal to the other.
- the high currents at the connections can lead to a strong heat development.
- the housing is electrically isolated from the terminals and / or connectable or connected electrical lines.
- the connections are z. B. formed as an insulated component on the housing, in particular in the form of a metal plate ⁇ Me.
- the surface of the metal plate allows Küh ⁇ ment with the ambient air and heat dissipation the environment or environment.
- a formation of copper, in particular with a coating of nickel is possible. This leads to high costs and the limited outer surface of the connections leads to a limited heat dissipation to the environment. For high primary currents warming above allowable limits for temperature can be made and sufficient coloursab ⁇ drove through the terminals may be impossible.
- Object of the present invention is to provide a high voltage ⁇ device and its use, which avoid the problems described above.
- it is an object to provide a high-voltage device whose connections in the form of at least one electrically insulated component teilgüns ⁇ tig, simple, mechanically stable and compact who ⁇ can, with high simultaneous possible heat dissipation from the insulated component.
- the specified object is achieved by a high ⁇ voltage device with the features according to claim 1 and / or by the use of the high-voltage device according to claim 12.
- Advantageous embodiments of the high-voltage device according to the invention and its use are specified in the subclaims. In this case, objects of the main claims with each other and with features of subclaims and features of the dependent claims can be combined with each other.
- An inventive high-voltage device comprises a housing and at least one electrically insulated from the housing component.
- the at least one component is spaced apart from the housing arranged ⁇ and mechanically stable connected to the housing in particular. Between the housing and the at least one component is at least one ceramic spacer angeord ⁇ net.
- the arrangement of the at least one component on the housing beab ⁇ stands, with at least one ceramic spacer between the housing and the at least one component, made ⁇ light good electrical insulation of the at least one component from the housing, at the same time good heat transfer or thermal conductivity over the at least a ceramic spacer element.
- the housing serves as a cooling surface, with large Oberflä ⁇ che, which made a good release of heat to the environment ⁇ light.
- Elements or components of the high-voltage device can be electrically contacted via the electrically insulated component, in particular in the interior of the housing, wherein the electrically insulated component forms a cost-effective, simple, mechanically stable and compact connection or connection element.
- the ceramic spacer element may be a ceramic disc and / or a ceramic sleeve and / or a ceramic plate, in particular ⁇ clamped, in particular hollow cylindrical formed with a circular base and / or with a continuous opening along a central axis.
- the at least one component can be fastened to the housing by means of fastening means, in particular by means of screws and / or fastening means which are insulated electrically from the component.
- fastening means in particular by means of screws and / or fastening means which are insulated electrically from the component.
- the at least one component With ceramic discs and / or ceramic sleeves and / or ceramic plates, which have a particular continuous, in particular circular and / or rectangular opening in the middle, the at least one component can be well, ie mechanically stable and electrically isolated, fixed by screws on the housing, the screws may each be passed through the continuous, in particular circular opening of the ceramic disc and / or ceramic sleeve.
- the ceramic discs and / or ceramic sleeves maintain a fixed, mechanically stable distance between the at least one component and the ceramic sleeve. housing, and allow an electrical insulation of the at least one component from the housing while maintaining good heat exchange ⁇ between the at least one component and the housing. This is associated with the advantages described above.
- the ceramic spacer may have a high electrical resistance and a high thermal conductivity.
- At least one electrical contact element, insbeson ⁇ particular at least one screw can be included, for elec- step contacting the at least one component with ⁇ we iquess an element of the high voltage device in the interior of the housing.
- the high-voltage device can be designed in the manner of an instru ⁇ ment transformer. Electrical elements in the instrument transformer, ie in the housing, eg. As conductors, coils and / or capacitors can, via the at least one electrical contacting element, in particular via the we ⁇ least one screw, with the outer terminal or the at least one component, and in particular associated electrical lines and / or busbars be electrically contacted.
- the at least one electrically insulated from the housing component may comprise at least one connection element for connecting electrical lines and / or busbars, in particular for electrical connection to power lines, electrical consumers and / or power generators.
- the high voltage device can be electrically connected to fulfill a predetermined function according to the type of Gerä ⁇ tes.
- the at least one component electrically insulated from the housing may comprise at least one plate-shaped element, in particular at least one cuboidal plate and / or one composed of plate-shaped elements L-shaped element to ⁇ summarize. Both connection elements and contacting elements can be arranged well on, in and / or on the plate-shaped element, and good electrical contact between elements can be produced simply and cost-effectively via the plate-shaped element.
- the at least one electrically insulated from the housing component may consist of a metal, in particular copper and / or steel, and / or a metal, in particular copper and / or steel and / or alloys include. This gives good electrical conductivity and thermal conductivity via the component which is electrically insulated from the housing, with the advantages described above.
- the housing in particular a cylindrical housing, may consist of a metal, in particular cast iron, and / or comprise a metal, in particular cast iron.
- a good thermal conductivity over the housing is given, and heat, which is produced at the electrically isolated from the housing component, for. B. on the electrical connections and / or connecting surfaces with connection elements and / or Mulltechnikselemen- th as well as in the component itself, in the current-carrying state, can be easily discharged through the housing, and especially well over a large area of the housing to the environment.
- the at least one ceramic spacer element can be made of an aluminum oxide, silicon carbide, boron nitride or aluminum nitride ceramic and / or an aluminum oxide,
- Silicon carbide, boron nitride or aluminum nitride ceramic include. These have a high thermal conductivity, in particular greater than 30 or ⁇ sondere greater than 100 W / (m ⁇ K), and a low electrical conductivity and a high resistivity, in particular greater than 10 12 ohm-meters or greater than 10 10 ohm-meters at 20 ° C. This provides a good electrical insulation between the housing and the electrical from the housing Given insulated component, with good thermal conductivity and dissipation of excess heat on the ceramic distance ⁇ element.
- An electrical contact between the at least one electrically insulated from the housing member and elements in the housing, in particular transformer parts, can via at least one electrical contacting element, in particular we ⁇ iquess a screw occur, particularly with a current carrying capacity in the range of a few thousand amps.
- FIGURE is a schematic oblique view of a portion of a Ge ⁇ koruses 2 of a Hochnapssgerä ⁇ tes 1, spaced apart by an electrically insulated from the housing 2, the housing 2 via ceramic spacers component according to the invention.
- 3 In the single figure in perspective view a part of a Ge ⁇ koruses 2 of a high-voltage device 1 according to the invention is provided ⁇ , 3. with a spaced from the housing 2 component, the component 3 serves as a port or terminal of the high-voltage device 1 to which z.
- the component 3 has the shape of a plate, in particular an Crude ⁇ celtic plate. An angle of 90 degrees is enclosed by two parts of the plates, each part being cuboid. The angled portion of the plate faces away from the housing 2, in particular perpendicularly away from the adjacent housing surface, wherein the other part of the plate is arranged pa ⁇ rallel to the adjacent housing surface.
- the spaced from the housing 2 component 3 is z.
- steel copper and / or coated with nickel. For cost reasons, cheaper materials such.
- aluminum aluminum
- the housing 2 is made of a metal, for. As steel, cast iron, copper and / or aluminum.
- the housing 2 and the component 3 are each highly electrically conductive and have good thermal conductivity.
- Were ⁇ me z is the component 3 directly to the environment.
- the housing 2 is due to its large surface area capable of large amounts of
- the high voltage device 1 is z.
- a In ⁇ strument Transformer in particular a current transformer for measuring currents in power lines.
- a housing 2 is arranged on an insulator.
- the housing 2 is z. B. spherical or cup-shaped, with a substantially circular or quadrangular bottom.
- a spaced apart from the housing 2 component 3 is arranged, for. B. with a connected overhead line.
- the inventive high-voltage device 1 is z. B. electrically connected between the high voltage line to measure the current through the high voltage line. Voltages of up to 1,200 kV and currents of several thousand amperes at OF INVENTION ⁇ to the invention high voltage device 1 can rest or flow over the ER-making modern high-voltage equipment. 1
- six screws are arranged as electrical contacting elements 7 in the arranged pa ⁇ rallel to the housing 2, plate-shaped part of the component 3, that is screwed and / or guided by the plate, and electrically isolated from the housing, through the housing 2 from the outside guided inward, and electrically connected to the Lei ⁇ ter in the housing 2.
- the electrically insulated from the housing 2 component 3 is screwed on Be ⁇ fixing means 5 to the housing 2 in a mechanically stable ver ⁇ connected, ie, for example on the housing. 2
- spacers 6 are arranged between the housing 2 and the component.
- the spacer elements 6 can likewise be designed in the form of circular washers or can be in the form of hollow-cylinder-shaped sleeves. In particular circular ⁇ round, continuous openings along the central axis of the Ab ⁇ stand elements 6 allow passing the screws 5 through the spacer elements 6, ie the screws 5 are passed through the spacer elements 6 and the Ab ⁇ stand elements 6 spatially comprise a portion of the screws fifth
- the thickness or height of the spacer elements 6 and the sockets 4 together determine the distance of the component 3 from the housing 2.
- the spacer elements 6 electrically isolate the component 3 from the housing 2.
- the insulation 8 in particular in the form of plastic washers, electrically isolates the component 3 from the housing 2 and the screws 5 from the component 3.
- the screws 5 may be coated insulating, z. B. with Tef-ion, and / or the implementation has a significantly larger diameter than the screw shaft and the screws 5 are guided centrally through the implementation, and / or the implementation is coated insulating, z. B. painted, and / or the ceramic spacers 6 have at least two diameters, one larger and one smaller
- the ceramic spacers 6 are z.
- the insulation 8 may consist of plastic washers or also of electrically insulating ceramic and act analogously to the ceramic spacers 6. It can be provided 4 sockets or fasteners 5, in particular ⁇ special screws can be inserted directly into the housing or screwed.
- the component 3 may be angle ⁇ shaped, or z.
- High voltage devices 1 can z. As current transformers, voltage transformers, combi transducers, gauges for gas-insulated Switchgear, optical converters and / or high voltage scarf ⁇ ter be.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Transformers For Measuring Instruments (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017217150.2A DE102017217150A1 (en) | 2017-09-27 | 2017-09-27 | High voltage device with ceramic spacers and its use |
PCT/EP2018/074683 WO2019063300A1 (en) | 2017-09-27 | 2018-09-13 | High-voltage device having ceramic spacer elements, and use thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3659160A1 true EP3659160A1 (en) | 2020-06-03 |
Family
ID=63708283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18779226.2A Pending EP3659160A1 (en) | 2017-09-27 | 2018-09-13 | High-voltage device having ceramic spacer elements, and use thereof |
Country Status (8)
Country | Link |
---|---|
US (1) | US11605488B2 (en) |
EP (1) | EP3659160A1 (en) |
CN (1) | CN111133538B (en) |
BR (1) | BR112020005343A2 (en) |
CA (1) | CA3073999C (en) |
DE (1) | DE102017217150A1 (en) |
RU (1) | RU2747859C1 (en) |
WO (1) | WO2019063300A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018205705A1 (en) | 2018-04-16 | 2019-10-17 | Siemens Aktiengesellschaft | Measuring methods and high-voltage transducers with Clean Air |
DE102019101973A1 (en) * | 2019-01-28 | 2020-07-30 | Eugen Forschner Gmbh | Connection arrangement for connecting a busbar to a housing |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1160960A (en) * | 1913-10-06 | 1915-11-16 | Chester H Thordarson | Surge-proof transformer. |
DE1563272B1 (en) | 1966-11-29 | 1970-07-02 | Licentia Gmbh | Support head current transformer |
US4144402A (en) | 1977-08-10 | 1979-03-13 | Litton Systems, Inc. | Power supply with replaceable high-voltage bushing |
DE2847129C2 (en) * | 1978-10-30 | 1986-11-13 | Brown, Boveri & Cie Ag, 6800 Mannheim | Rod-shaped electrical component |
US4975671A (en) * | 1988-08-31 | 1990-12-04 | Apple Computer, Inc. | Transformer for use with surface mounting technology |
DE69535775D1 (en) * | 1994-10-07 | 2008-08-07 | Hitachi Ltd | Semiconductor arrangement with a plurality of semiconductor elements |
US6650559B1 (en) | 2000-10-31 | 2003-11-18 | Fuji Electric Co., Ltd. | Power converting device |
EP1283589A3 (en) * | 2001-08-09 | 2003-03-26 | Bombardier Transportation GmbH | Power converter module |
RU2297063C2 (en) | 2004-10-19 | 2007-04-10 | Александр Григорьевич Арсон | Current transformer integrated with capacitor of capacitive voltage divider high-voltage side |
EP2117015A1 (en) | 2008-05-06 | 2009-11-11 | ABB Technology AG | High voltage bushing and high voltage device comprising such bushing |
CN201556501U (en) | 2009-11-25 | 2010-08-18 | 江苏淮安威拓公路养护设备有限公司 | High voltage transformer for asphalt pavement microwave maintenance equipment |
CN102117690B (en) | 2009-12-30 | 2012-09-12 | 中国船舶重工集团公司第七研究院 | Low-temperature super-conducting magnet system |
JP5925443B2 (en) | 2011-08-02 | 2016-05-25 | 株式会社東芝 | Static induction electrical device and method of manufacturing the same |
CN102360890B (en) * | 2011-10-25 | 2013-01-16 | 保定天威集团有限公司 | Current transformer with one-circle primary winding |
WO2014108498A1 (en) * | 2013-01-11 | 2014-07-17 | Breuer Motoren Gmbh & Co. Kg | Electromotive drive |
DE102014200762B4 (en) * | 2014-01-17 | 2016-06-02 | Siemens Aktiengesellschaft | Implementation for a switchgear and switchgear |
JP6227446B2 (en) | 2014-03-12 | 2017-11-08 | 日立オートモティブシステムズ株式会社 | Transformer and power converter using the same |
EP2958118A1 (en) | 2014-06-19 | 2015-12-23 | SMA Solar Technology AG | Inductor assembly comprising at least one inductor coil thermally coupled to a metallic inductor housing |
CN105449536B (en) | 2014-08-29 | 2018-11-13 | 西门子公司 | High-voltage combined electrical apparatus |
CN104240908B (en) | 2014-09-10 | 2016-03-30 | 深圳供电局有限公司 | evaporative cooling power transformer |
CN204242764U (en) * | 2014-09-30 | 2015-04-01 | 国家电网公司 | Miniaturized transformer |
CN104319062A (en) | 2014-09-30 | 2015-01-28 | 天津市元和华铁电气设备有限公司 | High-frequency isolation transformer |
-
2017
- 2017-09-27 DE DE102017217150.2A patent/DE102017217150A1/en active Pending
-
2018
- 2018-09-13 RU RU2020111449A patent/RU2747859C1/en active
- 2018-09-13 CA CA3073999A patent/CA3073999C/en active Active
- 2018-09-13 BR BR112020005343-0A patent/BR112020005343A2/en active Search and Examination
- 2018-09-13 US US16/647,595 patent/US11605488B2/en active Active
- 2018-09-13 CN CN201880062158.8A patent/CN111133538B/en active Active
- 2018-09-13 EP EP18779226.2A patent/EP3659160A1/en active Pending
- 2018-09-13 WO PCT/EP2018/074683 patent/WO2019063300A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102017217150A1 (en) | 2019-03-28 |
WO2019063300A1 (en) | 2019-04-04 |
CA3073999A1 (en) | 2019-04-04 |
CA3073999C (en) | 2024-01-23 |
CN111133538A (en) | 2020-05-08 |
CN111133538B (en) | 2023-09-01 |
BR112020005343A2 (en) | 2020-09-24 |
US11605488B2 (en) | 2023-03-14 |
RU2747859C1 (en) | 2021-05-17 |
US20200219642A1 (en) | 2020-07-09 |
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