EP3753032A1 - Measuring method and high-voltage transducer with clean air - Google Patents
Measuring method and high-voltage transducer with clean airInfo
- Publication number
- EP3753032A1 EP3753032A1 EP19716302.5A EP19716302A EP3753032A1 EP 3753032 A1 EP3753032 A1 EP 3753032A1 EP 19716302 A EP19716302 A EP 19716302A EP 3753032 A1 EP3753032 A1 EP 3753032A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage transducer
- housing
- clean air
- insulating gas
- transducer
- 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
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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/321—Insulating of coils, windings, or parts thereof using a fluid for insulating purposes only
-
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0356—Mounting of monitoring devices, e.g. current transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/04—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers
- H02H7/042—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for transformers for current transformers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
Definitions
- the invention relates to a high-voltage transducer and a method for measuring with the high-voltage transducer, comprising a housing which comprises at least one electrical Messein direction and an insulating gas spatially.
- Gas-insulated high-voltage transducers are z. B. from EP 0 600 233 Al known.
- sulfur hexafluoride ie SF 6 is used as the insulating gas.
- gases with similar insulating properties can be used, such.
- fluoroketones and / or fluoronitriles, or gas mixtures such as. B. mixtures of SF 6 and N 2 .
- Sulfur hexafluoride has especially at high voltages, eg. In the range of 72.5 to 800 kV, the best electrical insulating properties.
- Al ternative gases such.
- fluoroketones and / or fluoronitriles have high liquefaction temperatures, which means that they are of limited use for outdoor use at low temperatures in question.
- Sulfur hexafluoride and the alternative gases have an increased global warming potential.
- Fluorketo ne / nitriles are also harmful to health.
- a long-term stable, gas-tight high-voltage transducer he calls for a high level of technical, in particular Dichtungsauf wall and expenses for gas filling, gas sampling and gas pressure control.
- insulating gas can escape.
- a repair or disposal without escape of insulating gas is very expensive.
- the object of the present invention is to provide a high voltage measuring transducer and a method for measuring with the high specify voltage transducers, which avoid the previously described nen disadvantages.
- it is an object to provide a high-voltage transducer, which has a lower sealing effort, less effort in Isoliergashandling, associated with lower costs and lower environmental hazards.
- the stated object is achieved by a high-voltage transducer with the features according to claim 1 and / or by a method for measuring with the erfindungsge MAESSEN high-voltage transducer according to claim 11 ge triggers.
- Advantageous embodiments of the high-voltage transducer according to the invention and / or the method for measuring with the high-voltage transducer according to the invention are specified in the subclaims. In this case, objects of the main claims with each other and with features of at under entitlements and features of the claims among themselves com bins.
- a high-voltage transducer comprises a housing which spatially comprises at least one electrical measuring device and an insulating gas.
- the insulating gas is Clean Air or as insulating gas Clean Air is used.
- the high voltage transducer can be designed in the manner of a current, voltage or combi converter.
- the insulating gas may have a pressure in the range of 6 to 15 bar. In this pressure range, a sufficient electrical insulation of electrical parts is given, insbesonde re in spatial dimensions of the high voltage transducer analog or equal to the dimensions of high-voltage Meßwand learning with SF 6 as an insulating gas. At lower pressures, the distances of parts to be insulated from each other are to increase ßern, so that the high-voltage transducer in its Automatdi dimension is designed to be larger. With larger pressures z. B. walls of the housing thicker and / or interpret mechanically stable.
- the insulating gas clean air may be synthetic air and / or comprise, in particular consisting of an air mixture with 80% nitrogen and 20% oxygen or comprising an air mixture with 80% nitrogen and 20% oxygen. This air mixture, especially cleaned and dry, d. H. without or with low humidity, gives a good electrical insulation.
- the housing may comprise a support insulator, in particular of ceramic, silicone, and / or of a composite material.
- the support insulator can enable a good electrical insulation of electrical connections of the at least one electrical measuring device with respect to the ground potential.
- the housing may comprise a compressed gas vessel, in particular of steel and / or aluminum, in particular cast aluminum, wel Ches may be formed as a head and / or socket housing.
- the pressure vessel may comprise at least one electrical Messein direction spatially and be filled with insulating gas.
- the pressure gas vessel, the Iso liergas include mechanical long-term stability, especially under pressure.
- the housing may be arranged on at least one carrier. This allows the housing to be arranged mechanically stable on the ground and / or a foundation.
- the housing may comprise at least one overpressure device, in particular special at least one rupture disc.
- at least one overpressure device in particular special at least one rupture disc.
- An overpressure can z. B. caused by malfunction and / or increased heat.
- At least one fill and / or test port and / or density monitor may be included in the high voltage transducer, e.g. As a control troll and a good handling of the insulating gas in particular during filling and / or discharge of insulating gas to be guaranteed th.
- At least two external electrical connections can be arranged on the housing for connection to an electrical network, an electrical consumer and / or a current generating device.
- At least one terminal box may be included in the high voltage transducer, especially for measuring devices, sensors and / or data recording devices.
- At least one ground terminal may be included in the high voltage transducer to ground parts or to apply ground potential to parts.
- housing may comprise at least one current transformer and / or at least one voltage transformer, in particular with coils and / or with capacitors and / or with resistors.
- a combi converter may include at least one current and at least one voltage converter as a measuring device.
- At least one control electrode and / or a Potentialab- control, in particular film and Alubeläge comprising, and / or at least one exhaust duct may be comprised of high voltage transducer.
- the control electrode can, for. B. allow a Abgresn the potential or an optimization of the electric's field in a post insulator.
- the Abr tion tube can allow the application of ground potential, in particular by contacting the support to ground.
- An inventive method for measuring with a high-voltage transducer described above comprises that an electrical insulation in the housing of the high-voltage measuring transducer via clean air takes place.
- the housing of the high voltage transducer can be filled with Clean Air, especially when replacing the insulating gas SF 6 against Clean Air.
- Figure 1 schematically, in cross-sectional view of an inventive Shen high-voltage transducer 1 seeks from one side, arranged with a measuring device 3 in a head housing 6 on a support insulator 5, and
- Figure 2 is a schematic sectional view of an alternative construction of the invention Hochnapssmesswand lers 1 viewed from one side, with the Messein device 3 in a base housing 6 and above it to parent support insulator. 5
- FIG 1 is a schematic cross-sectional view of a fiction, according high voltage transducer 1 is provided from one side Darge.
- the high-voltage transducer 1 comprises a housing 2 with a support insulator 5 and a pressure vessel 6.
- a measuring device 3 of the high-voltage transducer 1 is arranged in the pressure vessel 6.
- the measuring device 3 is out forms to measure a current in the range of a few hundred to several thousand amps and / or to measure a voltage in the range of a few thousand volts, in particular in the range of 145 to 800 kV.
- the measuring device 3 is designed as a current and / or voltage converter, or as a combi converter.
- the Messeinrich device 3 comprises a conductor, which is arranged in the interior of the pressure vessel 6 and is surrounded by an annular, around the Stromlei ter rotating coil.
- the conductor is outside of the pressure vessel 6 electrically via electrical connections 12 to an electrical network, an electric con sumers and / or a power generating device ruled out.
- the measuring coil is connected via electrically insulated lines with a terminal box 13, in which Messeinrich lines, sensors and / or data recording devices for measuring signals and their evaluation are arranged or can be connected.
- the pressure vessel 6 of the invention Hochnapssmesswand lers 1 is disposed on the support insulator 5, which is klanförmig formed and upright, on a Trä ger 7 is arranged.
- the carrier 7 comprises z. B. littering steel beams and is mounted on a foundation, wel ches not shown for simplicity in the figures is.
- the columnar support insulator 5 is fixed with one end, which is sealed gas-tight.
- At the end of the terminal box 13 is attached to the columnar support insulator 5 and devices such.
- B. a Grean circuit 9, a test port 10 and / or a density monitor 11 are arranged at the end.
- the support insulator 5 and the pressure vessel 6 are inventively filled with clean air as insulating 4 and gas-tight housing 2 closed as Ge. Filling can take place via the Grean circuit 9, and a check of the tightness and the gas pressure in the interior can be done via the test port 10 and the density monitor 11.
- the pressure vessel 6 is cup-shaped, arranged on the support insulator 5, with a bursting disc as a pressure device 8 at the upper end of the pressure vessel 6.
- z. B. by heating by environmental influences, especially solar radiation, malfunction or heat generation by large currents, an excess pressure can be discharged by bursting the rupture disc from the housing 2 upwards who the. This z. B. an explosion of the support insulator 5 and / or the pressure vessel 6 avoided in which over her flying debris parts people in the area could be injured.
- the pressure vessel 6 is z. B. made of steel, cast iron and / or aluminum minium, with a wall thickness, which is an Iso liergastik of z. B. 6 to 15 bar long-term stable.
- the wall thickness is z. In the range of millimeters to centimeters.
- the columnar support insulator 5 is hollow in hollow, formed with a wall thickness, which just in case the Isoliergastik of z. B. 6 to 15 bar long-term stable and withstands the weight of the pressure vessel 6 with the terminal loads attached thereto.
- the support insulator 5 is z. B. ceramic, silicone, and / or composite material.
- the outer circumference of the post insulator 5 has annular shaped, around the outer circumference circumferential slats, arranged at regular intervals along the longitudinal axis of the column-shaped support insulator 5. As a result, the creepage current path along the longitudinal axis of the columnar Staueriso lators 5 is extended and improves the external insulation effect of the support insulator 5.
- a discharge pipe 16 for grounding the Messeinrich device 3 is disposed along the longitudinal axis and rotationally symmetrical about the discharge pipe 16 is a control electrode 15 is arranged in the upper region of the support insulator 5, to improve the field distribution in the area.
- the control electrode 15 and / or the discharge pipe 16 are in particular of highly electrically conductive metal len such. B. copper and / or steel.
- the insulating gas 4 Clean Air is made of or comprises synthetic air, in particular 80% nitrogen and 20% oxygen.
- electrically insulating areas in the housing 2 of the high voltage transducer 1 in particular at voltages in the range of 145 to 800 kV.
- the distances between electrically conductive parts of the high voltage transducer 1 are to be increased, i. H. to dimension the high-voltage transducer 1 larger or to increase the pressure of the insulating gas 4, wherein under certain circumstances, the walls of the housing 2 are interpreted thicker for sufficient Druckfes activity.
- FIG 2 is shown schematically in sectional view an alternative construction of the high-voltage transducer 1 according to the invention viewed from one side.
- a Hochnapssmesswandlers 1 is arranged with a base housing 6 under the support insulator 5 in Figure 2, shown.
- the pressure vessel 6 is arranged directly on the carrier 7, and comprises as a measuring device 3 of the high voltage transducer 1 z.
- the columnar support insulator 5 is angeord net, with electrical connections 12 at the upper end of
- Support insulator 5 for connecting the high-voltage transducer 1 lers to an electrical network, an electrical consumer cher and / or to a power generating device.
- the measuring device 3 is formed z. B. to measure a voltage in the range of a few thousand volts, in particular in the range of 72.5 to 800 kV.
- the measuring device 3 is out in the embodiment of Figure 2 as a voltage converter out, but can also be interpreted as a current or as a combi converter sets out, which is not shown in the figure 2 for simplicity.
- the measuring device 3 is connected via electrically insulated lines to a terminal box 13, in which measuring devices, sensors and / or aufzeich voltage devices for measuring signals and their evaluation are arranged or can be connected.
- the terminal box 13 is attached to the pressure vessel 6 of the high voltage transducer 1 since Lich. Facilities, such. B. a filling port 9, a test port 10 and / or a density monitor 11 are just if arranged or formed on the pressure vessel 6.
- the support insulator 5 and the pressure vessel 6 as gas-tight To closed parts of the housing 2 are inventively filled with clean air as insulating 4. Filling can take place via the filling connection 9, and a check of the sealing and gas pressure in the interior can be done via the test port 10 and the density monitor 11.
- the pressure vessel 6 is formed topfför mig, arranged on the support 7.
- a rupture disc is designed as a pressure device 8. At a high pressure increase of the insulating gas 4 in the housing 2, z. B.
- the columnar support insulator 5 is hollow inside, formed with a wall thickness which the Isoliergastik of z. B. 6 to 15 bar long-term stable.
- the Stauerisola tor 5 is z.
- Ceramic silicone, glass fiber reinforced plastic (GRP) and / or of a composite material.
- the externa ßere circumference of the support insulator 5 has annular, around the outer circumference circumferential lamellae, at regular Ab stalls along the longitudinal axis of the columnar Stauerisola sector 5 arranged. Characterized the Kriechstromweg along the longitudinal axis of the columnar support insulator 5 is extended and the outer insulating effect of the support insulator 5 verbes sert.
- control electrode 15 and / or a Ab Griffinung, in particular Foil and / or aluminum covers comprising, arranged to improve the field distribution in the loading area.
- the control electrode 15 and / or the discharge pipe 16 are in particular of highly electrically conductive metals, such as. As copper and / or steel formed.
- the housing 2 with the pressure vessel 6 and the pillar-shaped, perpendicular to the pressure vessel 6 standing support insulator 4 is arranged on the carrier 7, which z. B. is mounted on a Funda ment, which is not shown gur 2 for simplicity in the Fi.
- the carrier 7 comprises in Ausrete approximately example of Figure 2 intersecting steel beams.
- the foundation is z. B. a concrete foundation.
- the pressure vessel 6 is z. B. made of steel, cast iron and / or aluminum.
- the pressure vessel 6 and the columnar support insulator 5 are inventively filled with clean air, in particular with a Isoliergastik in the range of 6 to 15 bar.
- the wall thickness of the pressure vessel 6 and the support insulator 5 are each dependent on the material designed, a Isoliergastik of z. B. 6 to 15 bar long-term stable.
- the insulating gas 4 Clean Air is as in the embodiment of Figure 1 or comprises synthetic air, in particular 80% nitrogen and 20% oxygen. At a pressure in the range of 6 to 15 bar, the insulating gas 4 Clean Air elec- trically insulated to insulating areas in the housing 2 of the high voltage transducer 1 at z. As voltages in the range of 72.5 to 800 kV. At higher voltages, the distances between electrically conductive parts of the high voltage transducer 1 are to be increased, i. H. to dimension the high-voltage transducer 1 larger or to increase the pressure of the insulating gas 4, wherein under some circumstances, the walls of the housing 2 are designed to be thicker for adequate pressure resistance.
- So z. B. combi converter with a head vessel 6 and / or a base vessel 6 may be formed.
- the compressed gas vessel 6 may be made of steel, cast iron and / or aluminum, in particular cast aluminum.
- height re Isoliergasdschreibe can be realized and more compact Bauwei sen of the high voltage transducer 1 are executed.
- base vessels 6 of z As aluminum casting, Kings nen only lower Isoliergasdschreibe be realized and from stalls must be increased.
- the electrodes may be surface-treated with a dielectric medium.
- Insulating components in high voltage Measuring transducer 1 must be suitable for air insulation.
- the use of clean air as an insulating gas in erfindungsge MAESSEN high-voltage transducer 1 is environmentally friendly, to minus fifty degrees Celsius and below possible, saves spe cial gas handling equipment, which is necessary when using SF 6 , and saves costs for gas recycling. Clean Air is easy to produce, especially on site, not gif tig and not liquid at ambient temperatures and pressures. As a result, clean air is good as insulating, ie for electrical insulation used.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Relating To Insulation (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018205705.2A DE102018205705A1 (en) | 2018-04-16 | 2018-04-16 | Measuring methods and high-voltage transducers with Clean Air |
PCT/EP2019/056653 WO2019201525A1 (en) | 2018-04-16 | 2019-03-18 | Measuring method and high-voltage transducer with clean air |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3753032A1 true EP3753032A1 (en) | 2020-12-23 |
Family
ID=66102030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19716302.5A Pending EP3753032A1 (en) | 2018-04-16 | 2019-03-18 | Measuring method and high-voltage transducer with clean air |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP3753032A1 (en) |
CN (1) | CN111989754A (en) |
AU (1) | AU2019254161B2 (en) |
BR (1) | BR112020019415A2 (en) |
CA (1) | CA3094803A1 (en) |
DE (1) | DE102018205705A1 (en) |
WO (1) | WO2019201525A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020212385A1 (en) | 2020-09-30 | 2022-03-31 | Siemens Energy Global GmbH & Co. KG | High voltage device and method for increasing the dielectric strength in the high voltage device |
DE102020212384A1 (en) | 2020-09-30 | 2022-03-31 | Siemens Energy Global GmbH & Co. KG | Coated conductor in high voltage equipment and method of increasing dielectric strength |
DE102022205691A1 (en) | 2022-06-03 | 2023-12-14 | Siemens Energy Global GmbH & Co. KG | Coated active component in a high-voltage device and method for increasing dielectric strength |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1197532B (en) * | 1958-04-16 | 1965-07-29 | Licentia Gmbh | Encapsulated switchgear housed in tubular containers filled with increased pressure |
DE2356988C3 (en) * | 1973-11-15 | 1981-10-22 | Friedrich Dr.-Ing. e.h. 8600 Bamberg Raupach | Cast resin-insulated transducers, in particular voltage converters |
DE3040350C2 (en) * | 1980-10-25 | 1985-06-05 | Brown, Boveri & Cie Ag, 6800 Mannheim | Encapsulation elements for system parts of an electrical medium-voltage switchgear and distribution system |
DE4240118C1 (en) | 1992-11-30 | 1994-03-31 | Ritz Messwandler Kg | Execution, especially for high voltages with a special electrode holder |
JP4612407B2 (en) * | 2004-12-22 | 2011-01-12 | 株式会社東芝 | Switchgear |
DE202009018213U1 (en) * | 2009-06-12 | 2011-06-09 | Abb Technology Ag | Dielectric insulation medium |
DE102010018969A1 (en) * | 2010-04-27 | 2011-10-27 | Siemens Aktiengesellschaft | Current transformer arrangement |
CN102403668B (en) * | 2011-10-25 | 2014-09-24 | 沈阳华德海泰电器有限公司 | High-voltage combined electrical apparatus |
CN202384165U (en) * | 2011-10-31 | 2012-08-15 | 许继集团有限公司 | Pillar electronic type current and voltage combined mutual inductor with vertical type coaxial capacitance structure |
WO2013087684A1 (en) * | 2011-12-13 | 2013-06-20 | Abb Technology Ag | Method and device for determining an operating parameter of a fluid insulated electrical apparatus |
EP2747092A1 (en) * | 2012-12-21 | 2014-06-25 | Solvay SA | A method for dielectrically insulating active electric parts |
WO2014187940A1 (en) * | 2013-05-23 | 2014-11-27 | Abb Technology Ag | Electrical apparatus comprising a contamination-reducing component |
CN203721469U (en) * | 2013-12-30 | 2014-07-16 | 山东泰开互感器有限公司 | 1000 kV electromagnetic voltage transformer |
DE202014003207U1 (en) * | 2014-04-15 | 2014-05-21 | Abb Technology Ag | Electrical device for the generation, transmission, distribution and / or use of electrical energy |
CN103956674A (en) * | 2014-05-07 | 2014-07-30 | Abb技术有限公司 | Electrical device for producing, distributing and/or using electric energy |
DE102014111684B3 (en) * | 2014-08-15 | 2015-10-01 | Borgwarner Ludwigsburg Gmbh | Koronazündeinrichtung |
DE102015214043A1 (en) * | 2015-07-24 | 2016-06-02 | Siemens Aktiengesellschaft | Zero flux current transformer |
DE102015218003A1 (en) * | 2015-09-18 | 2017-03-23 | Siemens Aktiengesellschaft | Medium or high voltage switchgear with a gas-tight insulation space |
CN105742044A (en) * | 2016-05-11 | 2016-07-06 | 山东泰开互感器有限公司 | 500kV wide-transformation-ratio standard voltage transformer |
DE102016213852A1 (en) * | 2016-07-28 | 2018-02-01 | Siemens Aktiengesellschaft | Gas-insulated electrical device |
DE102017206737A1 (en) * | 2017-04-21 | 2018-10-25 | Siemens Aktiengesellschaft | Cover housing for and method of manufacturing vacuum tube high voltage circuit breakers |
DE102017217150A1 (en) * | 2017-09-27 | 2019-03-28 | Siemens Aktiengesellschaft | High voltage device with ceramic spacers and its use |
-
2018
- 2018-04-16 DE DE102018205705.2A patent/DE102018205705A1/en active Pending
-
2019
- 2019-03-18 EP EP19716302.5A patent/EP3753032A1/en active Pending
- 2019-03-18 CN CN201980025561.8A patent/CN111989754A/en active Pending
- 2019-03-18 AU AU2019254161A patent/AU2019254161B2/en active Active
- 2019-03-18 WO PCT/EP2019/056653 patent/WO2019201525A1/en active Application Filing
- 2019-03-18 BR BR112020019415-8A patent/BR112020019415A2/en unknown
- 2019-03-18 CA CA3094803A patent/CA3094803A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN111989754A (en) | 2020-11-24 |
WO2019201525A1 (en) | 2019-10-24 |
DE102018205705A1 (en) | 2019-10-17 |
AU2019254161B2 (en) | 2022-02-24 |
CA3094803A1 (en) | 2019-10-24 |
AU2019254161A1 (en) | 2020-10-08 |
BR112020019415A2 (en) | 2021-01-05 |
US20210175007A1 (en) | 2021-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2019201525A1 (en) | Measuring method and high-voltage transducer with clean air | |
EP2431982B1 (en) | Plugable feedthrough and high voltage assembly with such a feedthrough | |
EP1577904A1 (en) | High voltage bushing with element for electric-field control | |
DE112011104424T5 (en) | Gas-insulated switchgear | |
WO2017016769A1 (en) | Zero flux current transformer | |
EP2319057B1 (en) | High-voltage transformer | |
WO2012163561A1 (en) | Electric component for a high-voltage system | |
WO2013178411A1 (en) | Encapsulated surge protector having a central duct | |
EP4197019A1 (en) | High-voltage device and method for increasing the dielectric strength in the high-voltage device | |
WO2022069197A1 (en) | Coated conductor in a high-voltage device and method for increasing the dielectric strength | |
RU2771859C1 (en) | Method for measuring and high-voltage measuring transducer with clean air | |
DE2239133C3 (en) | Compressed gas insulated high voltage cable | |
DE102007027411A1 (en) | arrester | |
US12002617B2 (en) | Measuring method and high-voltage transducer with clean air | |
DE3037697A1 (en) | CURRENT TRANSFORMER FOR A HIGH VOLTAGE SYSTEM | |
DE2202401B2 (en) | Gas insulated HV conductor inside insulation tube - having earth conductor standing proud of tube bore and having short term overload capacity | |
WO2023232665A1 (en) | Coated active component in a high-voltage device and method for increasing the dielectric strength | |
EP3741016A1 (en) | Device comprising a measuring transformer and a surge arrester | |
JP6417278B2 (en) | Disconnector grounding device | |
WO2013185956A1 (en) | Device for power measurement | |
DE102018215274A1 (en) | Arrangement and method for potential reduction in high voltage technology | |
WO2009010493A1 (en) | Transformer arrangement of a metal-encapsulated, gas-insulated switchgear, and corresponding switchgear | |
JP2002058119A (en) | Gas insulated switchgear | |
DE3908107A1 (en) | Gas-insulated combined current transformer and voltage converter | |
DE102017216273A1 (en) | High voltage circuit breaker for one pole and use of high voltage circuit breaker |
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: 20200917 |
|
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) | ||
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: 20221125 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: SIEMENS ENERGY GLOBAL GMBH & CO. KG |