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WO2024231085A1 - Transducteur doté d'un capteur de tension flexible - Google Patents

Transducteur doté d'un capteur de tension flexible Download PDF

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Publication number
WO2024231085A1
WO2024231085A1 PCT/EP2024/060911 EP2024060911W WO2024231085A1 WO 2024231085 A1 WO2024231085 A1 WO 2024231085A1 EP 2024060911 W EP2024060911 W EP 2024060911W WO 2024231085 A1 WO2024231085 A1 WO 2024231085A1
Authority
WO
WIPO (PCT)
Prior art keywords
carrier element
voltage
measuring
measuring transducer
voltage measuring
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
Application number
PCT/EP2024/060911
Other languages
German (de)
English (en)
Inventor
Robert GRÜNLER
Peter Menke
Peter Milewski
Norbert Lüthy
Annette Wandel
Wojciech Olszewski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Priority to CN202480031044.2A priority Critical patent/CN121079597A/zh
Publication of WO2024231085A1 publication Critical patent/WO2024231085A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/16—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using capacitive devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/181—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using coils without a magnetic core, e.g. Rogowski coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/04—Voltage dividers
    • G01R15/06—Voltage dividers having reactive components, e.g. capacitive transformer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/142—Arrangements for simultaneous measurements of several parameters employing techniques covered by groups G01R15/14 - G01R15/26
    • 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
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G5/00—Installations of bus-bars
    • H02G5/06—Totally-enclosed installations, e.g. in metal casings
    • H02G5/066—Devices for maintaining distance between conductor and enclosure
    • H02G5/068—Devices for maintaining distance between conductor and enclosure being part of the junction between two enclosures

Definitions

  • the invention relates to a measuring transducer with a voltage sensor.
  • the invention relates to a measuring transformer which is designed to measure an alternating voltage in a switchgear, in particular in a gas-insulated switchgear.
  • the measuring transformer can also have a current sensor which is designed to measure an alternating current.
  • LPIT low-power instrument transformers
  • EP 2 810 087 Bl discloses a measuring transformer arrangement for monitoring one or more phase conductors with a voltage sensor and a current sensor.
  • the voltage sensor has a measuring electrode for detecting an electrical voltage, the measuring electrode being ring-shaped and having a receptacle in which a probe of the current sensor is positioned.
  • the receptacle is shaped as a recess in the measuring electrode and is arranged on the outer jacket side of the measuring electrode.
  • the measuring electrode and the probe are embedded in an insulating body, which is a supporting insulator of the phase conductor or the phase conductor.
  • the insulating body is produced, for example, in a casting process in which the measuring electrode and the probe are cast into a liquid insulating material which then hardens.
  • One problem with this is that the insulating material cools down. shrinks. This can lead to partial detachment of the insulating material from the measuring electrode, resulting in the risk of partial discharges.
  • the invention is based on the object of specifying an improved measuring transformer with a voltage sensor.
  • the object is achieved according to the invention by a measuring transducer having the features of claim 1.
  • a measuring transducer has an annular carrier element and a voltage sensor which has a mechanically flexible voltage measuring element arranged on the carrier element.
  • the ring-shaped carrier element stabilizes the mechanically flexible voltage measuring element and enables the voltage measuring element to be arranged in a ring around an electrical conductor in order to measure a voltage applied to the conductor.
  • the mechanical flexibility of the voltage measuring element means that the voltage measuring element can be easily adapted to the dimensions of the carrier element, or voltage measuring elements of the same design can be used for carrier elements of different diameters by adapting the length of a voltage measuring element to the diameter of the respective carrier element.
  • a mechanically rigid ring-shaped voltage measuring element must have a diameter that is tailored to the respective requirements.
  • the mechanical flexibility of the voltage measuring element enables improved casting of the voltage measuring element in a plastic (insulating material), since the voltage measuring element can adapt to the insulating material as it hardens due to its flexibility.
  • the voltage measuring element has an electrically insulating film strip to which an electrically conductive coating is applied on at least one side.
  • an electrically conductive coating can be applied to both sides of the film strip.
  • the electrical coating on one side of the film strip and an electrical conductor around which the carrier element is arranged form a primary capacitor.
  • the voltage applied to the conductor is then measured, for example, by measuring a displacement current through the primary capacitor, which is proportional to the first time derivative of the voltage applied to the primary capacitor.
  • both sides of the film strip have an electrically conductive coating, these coatings are electrically separated from one another by the film strip.
  • the two coatings form a secondary capacitor.
  • the voltage applied to the conductor can then alternatively be measured via the secondary capacitor by measuring a voltage between the two coatings using the voltage divider principle.
  • the film strip is as thin as possible, for example with a thickness of 50 pm, and has a high relative permittivity. A high relative permittivity results in a high capacitance of the secondary capacitor, which leads to a high voltage divider ratio. This is particularly advantageous in high-voltage applications because it avoids high measurement voltages that are potentially life-threatening and difficult to insulate on the secondary side.
  • the coating has on at least one side of the film strip a plurality of coating strips which are spaced apart from one another and run parallel to one another along the film strip.
  • the voltage measuring element has recesses. Recesses in the voltage measuring element advantageously allow the plastic to pass through these recesses when the measuring transducer is cast in a plastic (insulating material).
  • the voltage measuring element is arranged in a ring shape on an inner side of the carrier element. This makes it possible in particular for a coating of the film strip to face an electrical conductor around which the carrier element is arranged.
  • the carrier element and the voltage measuring element are materially connected to one another by gluing.
  • the voltage measuring element is force-fitted to the carrier element by at least one fastening element made of a dielectric material.
  • the carrier element is made of an electrically conductive material
  • the carrier element is made of a plastic, e.g. a polyphenylene ether, in which carbon fibers are embedded.
  • the carrier element can provide a dielectric shielding property for the measuring transducer.
  • the carrier element can electrically contact an outer coating (facing the carrier element) of the film strip, so that the carrier element and the outer coating of the film strip together provide dielectric shielding.
  • the carrier element can also form a secondary capacitance with an inner coating (facing away from the carrier element) of the film strip, which can be used to measure the voltage applied to a conductor around which the carrier element is arranged.
  • the carrier element consists of several, in particular two, ring-shaped components that are connected to one another in a force-fitting and/or form-fitting manner. This facilitates the assembly of the measuring transducer, in particular if a current sensor (see below) is arranged on the carrier element in addition to the voltage sensor.
  • the measuring transducer has, in addition to the voltage sensor, a current sensor which is designed to measure an electric current and is arranged on the carrier element.
  • the current sensor has at least one Rogowski coil which runs around the carrier element.
  • Each Rogowski coil is arranged on the carrier element, for example via at least one holding element, wherein the holding element has a recess in which the Rogowski coil is arranged and is connected to the carrier element in a force-fitting and/or form-fitting manner.
  • the above-mentioned embodiments of the invention advantageously enable the measuring transducer to also be used for measuring a electric current through a conductor around which the carrier element is arranged.
  • the voltage sensor has at least one connection lug, via which the voltage measuring element can be electrically contacted and which projects outwards from the carrier element.
  • the carrier element and the voltage measuring element are cast in a plastic (insulating material), in particular in a casting resin.
  • the carrier element can be fixed in its position, for example in a switchgear.
  • the voltage measuring element can also be fixed to the carrier element by casting. If a current sensor is also arranged on the carrier element, the current sensor can also be fixed to the carrier element by casting.
  • FIG 1 is a sectional view of a gas-insulated switchgear
  • FIG 2 is a perspective sectional view of a
  • FIG 3 is a sectional view of an embodiment of the voltage measuring element of a measuring transformer according to the invention.
  • FIG 4 is a side view of a portion of the voltage measuring element shown in Figure 3,
  • FIG 5 is a sectional view of another embodiment of the voltage measuring element of a measuring transformer according to the invention.
  • FIG 6 is a sectional view of another embodiment of the voltage measuring element of a measuring transformer according to the invention.
  • FIG 7 is a sectional view of another embodiment of the voltage measuring element of a measuring transformer according to the invention.
  • FIG 8 is a sectional view of another embodiment of the voltage measuring element of a measuring transformer according to the invention.
  • FIG 9 is a side view of a portion of another embodiment of the voltage measuring element of a measuring transformer according to the invention.
  • FIG 10 is a side view of a portion of another embodiment of the voltage measuring element of a measuring transformer according to the invention.
  • FIG 11 shows an embodiment of a connection of the carrier element and the voltage measuring element of a measuring transformer according to the invention in a sectional view
  • FIG 12 shows a further embodiment of a connection of the carrier element and the voltage measuring element of a measuring transformer according to the invention in a sectional view
  • FIG 13 shows a further embodiment of a connection of the carrier element and the voltage measuring element of a measuring transformer according to the invention in a sectional view
  • FIG 14 is a plan view of a fastening element of the embodiment shown in Figure 13,
  • FIG 15 is a side view of the fastening element shown in Figure 14,
  • FIG 16 shows a further embodiment of a connection of the carrier element and the voltage measuring element of a measuring transformer according to the invention in a sectional view
  • FIG 17 shows a further embodiment of a connection of the carrier element and the voltage measuring element of a measuring transformer according to the invention in a sectional view
  • FIG 18 shows a further embodiment of a connection of the carrier element and the voltage measuring element of a measuring transformer according to the invention in a sectional view
  • FIG 19 shows an embodiment of a carrier element of a measuring transducer according to the invention in a perspective view
  • FIG 20 is a plan view of another
  • FIG 21 a plan view of another
  • FIG 22 is a plan view of a frame of a bushing in a switchgear assembly with three support elements of measuring transformers according to the invention fastened to the frame.
  • FIG. 1 shows a sectional view of a gas-insulated switchgear 100.
  • the switchgear 100 has two encapsulation housings 101, 102 through which several electrical conductors 103, 104 are guided.
  • a bushing 105 is arranged between the encapsulation housings 101, 102.
  • the bushing 105 has an annular frame 106 which is arranged between two mutually facing flanges 107, 108 of the encapsulation housings 101, 102.
  • a measuring transformer 1 according to the invention is arranged on the frame 106 for each conductor 103, 104.
  • the measuring transducer 1 comprises a voltage sensor 3, which is designed to measure an electrical voltage applied to the conductor 103, and a current sensor 5, which is designed to measure an electrical current flowing in the conductor 102.
  • the measuring transducer 1 also comprises an annular carrier element 7, on which the voltage sensor 3 and the current sensor 5 are arranged.
  • the carrier element 7 runs around the conductor 103.
  • the voltage sensor 3 is arranged on an inner side of the carrier element 7 facing the conductor 103.
  • the current sensor 5 is arranged on an outer side of the carrier element 7 facing away from the conductor 103.
  • the carrier element 7 with the voltage sensor 3 and the current sensor 5 is cast in a plastic 9.
  • the plastic 9 is, for example, a cast resin.
  • the carrier element 7 is made of an electrically conductive material, in particular of a plastic, for example of a polyphenylene ether, in which carbon fibers are embedded.
  • the voltage sensor 3 has connection lugs 11 which lead to a arranged connector 109.
  • the current sensor 5 is connected to the connector 109 by connecting lines 13.
  • FIG 2 shows a perspective sectional view of a section of the measuring transducer 1.
  • the voltage sensor 3 has a mechanically flexible voltage measuring element 15 which runs in a ring shape on the inside of the carrier element 7 and is described in more detail below.
  • the current sensor 5 comprises two Rogowski coils 17 which run in a ring shape around the carrier element 7.
  • the carrier element 7 consists of two ring-shaped components 7.1, 7.2 which are connected to one another in a force-fitting and/or form-fitting manner.
  • the Rogowski coils 17 are arranged on the carrier element 7 by means of several clamp-like holding elements 19 which have a recess 21 for each Rogowski coil 17 and also hold the components 7.1, 7.2 of the carrier element 7 together in a force-fitting and/or form-fitting manner, for example by means of a snap or latching connection.
  • the holding elements 19 are made of an electrically non-conductive material and are mechanically deformable in order to be connected to the components 7.1, 7.2 of the carrier element 7.
  • FIG 3) and Figure 4 (FIG 4) show an embodiment of the voltage measuring element 15.
  • the voltage measuring element 15 has an electrically insulating film strip 23, to which an electrically conductive coating 25 is applied on both sides.
  • the coating 25 on each side of the film strip 23 has two coating strips 25.1, 25.2 that are spaced apart from one another and run parallel to one another along the film strip 23.
  • Figure 3 shows the course of the voltage measuring element 15 around the conductor 103 in a sectional view.
  • the ends of the voltage measuring element 15 are not connected to one another, so that the voltage measuring element 15 forms an open ring around the conductor 103.
  • the connection lugs 11 are arranged at one end of the voltage measuring element 15 and are cut or punched from the coated film strip 23.
  • Figure 4 shows a section of the voltage measuring element 15 in the area of the connection lugs 11 in a side view.
  • the voltage measuring element 15 also has several slot-like recesses 27 which run in the film strip 23 in its longitudinal direction between the coating strips 25.1, 25.2 and allow the plastic 9 to pass through when it is cast.
  • the film strip 23 is as thin as possible, for example with a thickness of 50 ⁇ m, and with a high relative permittivity.
  • the conductor 103 and the inner coating 25 of the foil strip 23 facing the conductor 103 form a primary capacitor.
  • the inner coating 25 facing the conductor 103 and the outer coating 25 of the foil strip 23 facing away from the conductor 103 form a secondary capacitor.
  • the voltage measurement by means of the voltage measuring element 15 is carried out either by measuring a voltage between the inner coating 25 and the outer coating 25 of the foil strip 23 via the secondary capacitor according to the voltage divider principle or by measuring a displacement current through the primary capacitor which is proportional to the first time derivative of the voltage applied to the primary capacitor.
  • FIG. 5 shows a further embodiment of the voltage measuring element 15. This embodiment differs from the embodiment shown in Figures 3 and 4 only in that the connection lugs 11 are each connected to one end of the coated film strip 23 by crimping in a crimping area 29.
  • FIG. 6 shows a further embodiment of the voltage measuring element 15. This embodiment differs from the embodiment shown in Figures 3 and 4 only in that the connection lugs 11 are each connected by soldering in a soldering area 31 connected to one end of the coated film strip 23.
  • FIG -7 shows a further embodiment of the voltage measuring element 15. This embodiment differs from the embodiment shown in Figures 3 and 4 only in that the voltage measuring element 15 has no connection lugs 11.
  • FIG 8) shows a further embodiment of the voltage measuring element 15. This embodiment differs from the embodiment shown in Figure 7 only in that the ends of the voltage measuring element 15 are electrically connected to one another in a connection region 32, wherein each coating strip 25.1, 25.2 of both the inner coating 25 and the outer coating 25 of the voltage measuring element 15 is electrically closed.
  • FIG 9) shows a section of another embodiment of the voltage measuring element 15.
  • This embodiment differs from the embodiment shown in Figures 3 and 4 in that the coating 25 on each side of the film strip 23 has three coating strips 25.1, 25.2, 25.3 that are spaced apart from one another and run parallel to one another along the film strip 23. Accordingly, the voltage measuring element 15 has three connection lugs 11 (not shown in Figure 9). Furthermore, the voltage measuring element 15 has slot-like recesses 27 that run in the film strip 23 in its longitudinal direction between two adjacent coating strips 25.1, 25.2, 25.3.
  • FIG 10 shows a section of another embodiment of the voltage measuring element 15.
  • This embodiment differs from the embodiment shown in Figures 3 and 4 in that the coating 25 of each side of the film strip 23 is designed to be continuous.
  • the voltage measuring element 15 again has slot-like recesses 27 which run in the film strip 23 in its longitudinal direction, but in this case also include recesses in the coatings 25.
  • Figures 11 to 18 show embodiments of the measuring transducer 1 with different connections of the carrier element 7 and the voltage measuring element 15. Components of the measuring transducer 1 that are not essential for these connections are not shown in Figures 11 to 18.
  • the voltage measuring element 15 is arranged in a recess 33 in the carrier element 7 that faces the conductor 103 and runs in a ring around the conductor 103.
  • the embodiments differ from one another in the way in which the voltage measuring element 15 is fixed in the recess 33.
  • FIG 11 shows a schematic sectional view of the carrier element 7, the voltage measuring element 15 and the conductor 103.
  • the voltage measuring element 15 is integrally connected to the carrier element 7 in the recess 33 by adhesive bonding.
  • FIG 12 shows a schematic sectional view of the carrier element 7, the voltage measuring element 15 and the conductor 103 according to a further embodiment.
  • the voltage measuring element 15 is connected to the carrier element 7 in a force-fitting manner by several plug-like fastening elements 35 made of a dielectric plastic.
  • Each fastening element 35 has a head section 35.1 and a plug section 35.2 protruding from the head section 35.1.
  • the head section 35.1 faces the conductor 103 and rests against the voltage measuring element 15.
  • the plug section 35.2 is guided through the voltage measuring element 15 and the carrier element 7 and fixes the voltage measuring element 15 to the carrier element 7.
  • FIG 13 shows a schematic sectional view of the carrier element 7, the voltage measuring element 15 and the conductor 103 according to a further embodiment.
  • the voltage measuring element 15 is also connected to the carrier element 7 in a force-fitting manner by several fastening elements 35 made of a dielectric plastic.
  • FIG 14 and Figure 15 show a fastening element 35 of the embodiment shown in Figure 13.
  • Figure 14 shows a top view of the fastening element 35
  • Figure 15 shows a side view of the fastening element 35.
  • the fastening element 35 has a beam section 35.3 and a plug-in section 35.2 protruding centrally from the beam section 35.3.
  • the beam section 35.1 faces the conductor 103, rests against the voltage measuring element 15 and extends essentially across the width of the voltage measuring element 15.
  • the plug-in section 35.2 is guided through the voltage measuring element 15 and the carrier element 7 and fixes the voltage measuring element 15 to the carrier element 7.
  • FIG 16 shows a schematic sectional view of the carrier element 7, the voltage measuring element 15 and the conductor 103 according to a further embodiment.
  • This embodiment differs from the embodiment shown in Figures 13 to 15 only in that each fastening element 35 has two plug-in sections 35.2 which protrude from the beam section 35.3 at opposite end regions.
  • FIG 17 shows a schematic sectional view of the carrier element 7, the voltage measuring element 15 and the conductor 103 according to a further embodiment.
  • This embodiment differs from the embodiment shown in Figures 13 to 15 only in that each fastening element 35 has three plug-in sections 35.2, whereby two plug-in sections 35.2 are opposite end regions protrude from the beam section 35.3 and the third plug section 35.2 protrudes centrally from the beam section 35.3.
  • FIG 18 shows a schematic sectional view of the carrier element 7, the voltage measuring element 15 and the conductor 103 according to a further embodiment.
  • the voltage measuring element 15 is connected to the carrier element 7 in a force-fitting manner by several fastening elements 35 made of a dielectric plastic.
  • Each fastening element 35 faces the conductor 103, extends over the entire width of the carrier element 7 and has curved end regions 35.4, each of which encompasses an edge region 7.3 of the carrier element 7, so that the fastening element 35 is clamped to the carrier element 7.
  • Figures 19 to 21 show embodiments of the carrier element 7 of a measuring transducer 1.
  • FIG 19 shows an embodiment of the carrier element 7, in which the carrier element 7 has a lateral slot 7.5 from which the connection lugs 11 of the voltage measuring element 15 are guided (in Figure 19 only one connection lug 11 is shown as an example).
  • FIG 20 shows an embodiment of the carrier element 7, in which the carrier element 7 has a connecting element 37 that protrudes from an outer side of an annular region 7.6 of the carrier element 7.
  • the connecting element 37 has webs 37.1 extending from the annular region 7.6 of the carrier element 7, the ends of which are connected to one another by a bridge 37.2.
  • the connecting element 37 makes it possible to fasten the carrier element 7 to another component, for example to the frame 106.
  • the carrier element 7 can thus be fixed for casting with the plastic 9.
  • Figure 21 shows an embodiment of the carrier element 7, in which the carrier element 7 has a plurality of connecting elements 37 which protrude from the outside of the annular region 7.6 of the carrier element 7 and are distributed over its circumference.
  • Unused connecting elements 37 can be removed as required, for example with a side cutter. This means that the carrier element 7 can be used for different installation positions without having to produce a carrier element 7 corresponding to the installation position for each installation position, which reduces the costs for producing the carrier elements 7.
  • FIG. 22 shows the frame 106 with three support elements 7 each fastened to the frame 106 by a connecting element 37.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)

Abstract

L'invention concerne un transducteur (1) comprenant un élément de support annulaire (7) et un capteur de tension (3) qui présente un élément de mesure de tension (15) mécaniquement flexible disposé sur l'élément de support (7).
PCT/EP2024/060911 2023-05-10 2024-04-22 Transducteur doté d'un capteur de tension flexible Pending WO2024231085A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202480031044.2A CN121079597A (zh) 2023-05-10 2024-04-22 具有柔性电压传感器的测量转换器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102023204315.7A DE102023204315A1 (de) 2023-05-10 2023-05-10 Messwandler mit einem Spannungssensor
DE102023204315.7 2023-05-10

Publications (1)

Publication Number Publication Date
WO2024231085A1 true WO2024231085A1 (fr) 2024-11-14

Family

ID=90904684

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/060911 Pending WO2024231085A1 (fr) 2023-05-10 2024-04-22 Transducteur doté d'un capteur de tension flexible

Country Status (3)

Country Link
CN (1) CN121079597A (fr)
DE (1) DE102023204315A1 (fr)
WO (1) WO2024231085A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014201861A1 (de) * 2014-02-03 2015-08-06 Siemens Aktiengesellschaft Elektrodenanordnung
EP2806277B1 (fr) * 2013-05-24 2016-03-30 3M Innovative Properties Company Fermeture
DE102020212404A1 (de) * 2020-09-30 2022-03-31 Siemens Aktiengesellschaft Feldsondenkombination zur Verwendung bei Mittel- und Hochspannungen
EP2810087B1 (fr) 2012-03-16 2022-12-07 Siemens Energy Global GmbH & Co. KG Système de convertisseur de mesure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544508A1 (de) * 1985-12-17 1987-06-19 Ulrich Dipl Ing Adolph Kombinationswandler zur gleichzeitigen messung von strom und spannung an rohrummantelten leitern
CH682190A5 (fr) * 1991-04-22 1993-07-30 Asea Brown Boveri
WO2014209739A1 (fr) * 2013-06-26 2014-12-31 3M Innovative Properties Company Dispositif de raccordement terminal de câble d'alimentation
CN104391161A (zh) * 2014-11-21 2015-03-04 广西智通节能环保科技有限公司 一种电子式电压传感器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2810087B1 (fr) 2012-03-16 2022-12-07 Siemens Energy Global GmbH & Co. KG Système de convertisseur de mesure
EP2806277B1 (fr) * 2013-05-24 2016-03-30 3M Innovative Properties Company Fermeture
DE102014201861A1 (de) * 2014-02-03 2015-08-06 Siemens Aktiengesellschaft Elektrodenanordnung
DE102020212404A1 (de) * 2020-09-30 2022-03-31 Siemens Aktiengesellschaft Feldsondenkombination zur Verwendung bei Mittel- und Hochspannungen

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CN121079597A (zh) 2025-12-05
DE102023204315A1 (de) 2024-11-14

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