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WO2017036713A1 - Unité partie active d'un transformateur de mesure et transformateur de mesure - Google Patents

Unité partie active d'un transformateur de mesure et transformateur de mesure Download PDF

Info

Publication number
WO2017036713A1
WO2017036713A1 PCT/EP2016/068494 EP2016068494W WO2017036713A1 WO 2017036713 A1 WO2017036713 A1 WO 2017036713A1 EP 2016068494 W EP2016068494 W EP 2016068494W WO 2017036713 A1 WO2017036713 A1 WO 2017036713A1
Authority
WO
WIPO (PCT)
Prior art keywords
transducer
active part
winding tube
part unit
frame
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.)
Ceased
Application number
PCT/EP2016/068494
Other languages
German (de)
English (en)
Inventor
Sebastian BAEHR
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 AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 AG, Siemens Corp filed Critical Siemens AG
Priority to CN201680050999.8A priority Critical patent/CN107924759B/zh
Priority to HRP20191161TT priority patent/HRP20191161T1/hr
Priority to EP16747887.4A priority patent/EP3320551B1/fr
Priority to ES16747887T priority patent/ES2736425T3/es
Publication of WO2017036713A1 publication Critical patent/WO2017036713A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01F38/24—Voltage transformers
    • H01F38/26—Constructions

Definitions

  • Active subunit of a transducer and transducer The invention relates to an active subunit of a measuring wall ⁇ coupler and a transducer.
  • the invention relates to voltage transformers for measuring electrical voltages and / or for protection against high electrical voltages and transducers, which are a combination of such voltage transformers with current transformers for measuring electrical currents and / or for protection against high electrical currents.
  • Such transducers transform electrical voltages and currents according to the principle of a transformer and, as a rule, have an active part with a transducer core and two different transducer windings.
  • the invention has for its object to provide an improved active part unit of a transducer and an improved transducer.
  • An active part unit of the invention a transducer environmentally summarizes a transducer core, a pressing frame which rests at least on two opposite surfaces of the transducer core, a winding tube which surrounds a core portion of the transducer core and carrying at least one transducer ⁇ winding, and at least one anti-rotation device, the egg ⁇ ne comprises the winding tube with the pressing frame connecting curing mass.
  • a curing composition is understood here a mass of a flowable or moldable material that cures by itself or by an external influence.
  • Manufacturing tolerances of the components of the active part unit can be compensated by a curing mass in a simple manner.
  • the curing of the Aushärtungsmasse can ⁇ example, after the completion of assembly work in an intermediate storage condition of the active entity or the measuring wall ⁇ toddlers done without consuming more resources.
  • each rotation comprises a press frame pocket formed in the press frame, in which an edge region of the winding tube toward ⁇ protrudes, and in this edge region of the winding tube by Aushärtungsmasse which surrounds the edge region of the roller tube in the press frame pocket fixed, is.
  • This embodiment of the invention advantageously allows, egg ⁇ ne rotation at a predetermined place by a press frame bag by introducing Aushärtungsmasse to realize in the press frame pocket.
  • each press frame case is formed as a recess in the press frame, which is externally bounded by a Ta ⁇ 's collar.
  • the boundary of a press frame bag by a Taschenkra ⁇ gen limits the press frame bag and is a fill line for the Aushärtungsmasse ago.
  • the rounding of the surface of the pocket collar advantageously avoids edges at which high field strengths of electric fields can arise, which can lead to electrical discharges.
  • a further embodiment of the aforementioned embodiments of the invention provides that each edge region of the winding tube projecting into a press frame pocket has at least one pipe recess.
  • the surface of the winding tube surrounded by hardening compound is increased and thus the stability of the anti-twist device is increased.
  • each roller tube end of the winding tube is connected by at least one torsional fuse to the press frame, and / or that at least one roller tube end of the winding tube is connected by two Ver ⁇ rotating fuses with the press frame.
  • the stability of the connection of the winding tube to the pressing frame is increased by multiple, both-sided and / or one-sided anti-rotation.
  • the curing compound is, for example, a cast resin or two-component plastic.
  • Casting resins and two-component plastics are in particular ⁇ special because of their Verg screendress, stability after curing and commercial availability as Aushärtungsmas ⁇ sen.
  • An inventive transducer has an active part unit according to the invention with the advantages already mentioned.
  • FIG 1 is a sectional view of a transducer
  • FIG 2 is a perspective view of an active part ⁇ unit of a transducer
  • FIG. 3 is a perspective sectional view of an active part unit of a transducer
  • FIG. 4 is a perspective view of a winding arrangement of an active part unit of a transducer
  • FIG. 5 shows a first perspective sectional view of a
  • FIG. 6 shows a second sectional perspective view of a pressing frame and a roller tube active part ⁇ a transducer unit in the region of a
  • FIG. 7 shows a third perspective sectional view of a pressing frame and winding tube of an active part ⁇ unit of a transducer in the field of Ver ⁇ rotation lock
  • FIG. 8 shows a perspective view of a press frame and the roller tube of an active subunit of a measuring ⁇ transducer in the region of a security against rotation.
  • the transducer 1 shows a sectional view of a transducer 1.
  • the transducer 1 is designed as a gas-insulated combined voltage and current transformer.
  • the transducer 1 comprises a transducer housing 3 with a housing head 5, a housing bottom 7 and an insulator 9 extending between the housing head 5 and the housing bottom 7.
  • the housing head 5 is formed as a bottle-like hollow body, which tapers conically to an annular housing head end 11 which has a housing Casing head opening surrounds, narrows.
  • the insulator 9 connects.
  • the insulator 9 is substantially formed as a tube, which has insulator ribs 13 on its outer side, which extend in a ring around a longitudinal axis of the insulator 9.
  • the GeHousebo ⁇ 7 closes a remote from the housing head 5 end of the insulator 9.
  • the transducer housing 3 is gas-tight for receiving an insulating gas such as sulfur hexafluoride.
  • the housing head 5 has a printing t ⁇ lastungsventil 15, can be discharged through the insulating gas out of the measuring wall ⁇ lergephaseuse 3, when the pressure in the transducer housing 3 exceeds a pressure threshold.
  • a conductor bushing 17 is arranged, are guided by the electrical conductor from the interior of the Mess ⁇ converter housing 3 to the outside.
  • a terminal box 19 is arranged for contacting the guided through the conductor bushing 17 conductor.
  • an inventive Aktivilein ⁇ standardized 21 as a voltage transformer and a current transformer unit 23 are arranged, wherein the current transformer unit 23 is disposed between the Ak ⁇ tivteilatti 21 and the insulator.
  • the active part unit 21 will be described in more detail below with reference to FIGS. 2 to 8.
  • the current transformer unit 23 comprises a busbar designed as a primary conductor 25 with outside the Meßwandlergepuruses 3 arranged Primärleiteranschlüs ⁇ sen 27 and a ring around the primary conductor 25 extending, known per se and therefore not shown in detail current transformer winding assembly 29 with a secondary current transformer winding.
  • Figures 2 and 3 show the active part of the measuring unit 21 ⁇ converter 1.
  • Figure 2 shows a perspective illustration ⁇ lung
  • Figure 3 shows a perspective Thomasdarstel ⁇ development of the active part of the transducer unit 21. 1
  • the active component unit 21 comprises a transducer core 33, egg ⁇ NEN press frame 35, a winding tube 37, a primary transducer winding 39, the secondary transducer coil 41, a rim electrode 43 and four anti-rotation 45th
  • the Meßwandlerkern 33 is formed as an annular laminated core, which consists of stacked laminations, which are pressed by the pressing frame 35 together.
  • the pressing frame 35 is U-shaped with two mutually parallel legs and a leg connecting the two legs formed.
  • the pressing frame 35 consists of two pressing frame halves 35.1, 35.2, which each form one half of each leg and of the leg connection and lie on different sides of a plane of symmetry in which the pressing frame halves 35.1, 35.2 abut one another.
  • the leg ends of each leg are used to attach the press frame 35 in the housing head 5 of the transducer 1 abandonedbil ⁇ det.
  • each clamping member 51 is rod-like and has on we ⁇ tendonss a ge 1910- by a press frame half 35.1, 35.2 tes end onto which a nut 53 is screwed to the transducer core 33 35.2 for pressing the pressing frame half 35.1.
  • the winding tube 37 surrounds a core section 34 of the transducer core 33, which extends between the legs of the press frame 35 and through frame recesses 55 in the press frame halves 35.1, 35.2.
  • the winding tube 37 carrying the primary transducer coil 39 which surrounds a central portion of the roller tube 37, the rim electrode 43 which surrounds the primary transducer winding 39 and the secondary measurement ⁇ transducing winding 41 which surrounds the rim electrode 43rd
  • the rim electrode 43 has an electrode center portion 57 formed as a hollow circular cylinder and two shielding collars 59 facing each other. Each shield collar 59 forms one end of the rim electrode 43 and is designed to shield electrical fields relative to the electrode center section 57 outwardly bent.
  • each end of the roller tube 37 with each of the two press frame halves 35.1, 35.2 are connected by in each case an anti-rotation 45, so that the winding ⁇ pipe 37 is connected by a total of four anti-rotation devices 45 to the press frame 35th
  • the anti-rotation 45 will be described in more detail below with reference to Figures 4 to 8.
  • Figure 4 shows a perspective view of the through the winding tube 37, the transducer windings 39, 41 and the
  • the winding tube 37 has in the areas of anti-rotation 45 each have two pipe recesses 61.
  • FIGS. 5 to 7 show different perspective views
  • Each anti-rotation lock 45 comprises a press frame pocket 63 formed in the press frame 35 into which an edge area of the winding tube 37, which has two pipe recesses 61, protrudes.
  • the press frame pocket 63 is formed as a recess in the press frame 35 at the edge of a frame recess 55 through which the core portion 34 passes.
  • the Ausneh ⁇ mung is on the outside, that is on the inside on one of the Kernab cut ⁇ 34 side facing away from a bag collar 65, and, that on the the core portion 34 facing side, from a well, the frame recess bordered 55 bounding recess edge 67th
  • the pocket collar 65 is designed curved, has two collar ends 69, which abut respectively on the winding tube 37, and is spaced between the collar ends 69 of the winding tube 37.
  • each press frame pocket 63 is formed in the region of a Pressrahmenverdickung 71, which is used to stiffen the pressing frame 35 U-shaped along the two legs and the Leg connection of the press frame 35 in the press frame half 35.1, 35.2, in which the press frame pocket 63 is found ⁇ runs.
  • a pressing frame pocket 63 is filled with Aushärtungsmasse 73, for example with a cast resin or a thermosetting two-component plastic material, so that the project into the press frame pocket 63 ⁇ en edge region of the winding tube 37 after hardening of the Aushärtungsmasse 73 is fixed in the press frame pocket 63.
  • Figure 8 shows a perspective view of the Pressrah ⁇ mens 35 and winding tube 37 of the active part unit 21 in the region of a rotation 45, the press frame pocket 63 is filled with curing compound 73.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Fluid Pressure (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

L'invention concerne une unité partie active (21) d'un transformateur de mesure (1). L'unité partie active (21) comprend un noyau (33) de transformateur de mesure, un cadre de fixation (35) qui repose au moins sur deux surfaces opposées du noyau (33) de transformateur de mesure, un tube roulé stratifié (37) qui entoure une section (34) du noyau (33) et porte au moins un enroulement (39, 41) de transformateur de mesure, et au moins un dispositif de sécurité antirotation (45) qui comporte une matière de durcissement (73) laquelle assure la liaison entre le tube roulé stratifié (37) et le cadre de fixation (35).
PCT/EP2016/068494 2015-09-03 2016-08-03 Unité partie active d'un transformateur de mesure et transformateur de mesure Ceased WO2017036713A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201680050999.8A CN107924759B (zh) 2015-09-03 2016-08-03 测量用变换器的有源件单元和测量用变换器
HRP20191161TT HRP20191161T1 (hr) 2015-09-03 2016-08-03 Jedinica aktivnog dijela mjernog transduktora i mjerni transduktor
EP16747887.4A EP3320551B1 (fr) 2015-09-03 2016-08-03 Unité partie active d'un transformateur de mesure et transformateur de mesure
ES16747887T ES2736425T3 (es) 2015-09-03 2016-08-03 Unidad de parte activa de un transductor y transductor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015216861.1 2015-09-03
DE102015216861.1A DE102015216861A1 (de) 2015-09-03 2015-09-03 Aktivteileinheit eines Messwandlers und Messwandler

Publications (1)

Publication Number Publication Date
WO2017036713A1 true WO2017036713A1 (fr) 2017-03-09

Family

ID=56609863

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/068494 Ceased WO2017036713A1 (fr) 2015-09-03 2016-08-03 Unité partie active d'un transformateur de mesure et transformateur de mesure

Country Status (6)

Country Link
EP (1) EP3320551B1 (fr)
CN (1) CN107924759B (fr)
DE (1) DE102015216861A1 (fr)
ES (1) ES2736425T3 (fr)
HR (1) HRP20191161T1 (fr)
WO (1) WO2017036713A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020201100A1 (de) 2020-01-30 2021-08-05 Siemens Aktiengesellschaft Spannungswandler

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051961B (de) * 1956-08-23 1959-03-05 Messwandler Bau Gmbh Giessharzisolierter Messwandler
EP2887368A1 (fr) * 2013-12-20 2015-06-24 Siemens Aktiengesellschaft Convertisseur de mesure isolé par gaz avec dispositif de séparation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3146947B2 (ja) * 1995-09-27 2001-03-19 日新電機株式会社 計器用変圧器
DE10013143C2 (de) * 2000-03-17 2002-06-27 Aeg Niederspannungstech Gmbh Messwandler
JP2002124424A (ja) * 2000-10-13 2002-04-26 Toshiba Corp 計器用変圧器の取付方法及び計器用変圧器
CN201364805Y (zh) * 2009-02-27 2009-12-16 日新电机株式会社 气体绝缘互感器
DE102010047431A1 (de) * 2010-10-04 2012-04-05 Robert Bosch Gmbh Axialkolbenmaschine mit einer in eine Nut eines Gehäuseteils eingesetzten Steuerplatte
DE102012202572A1 (de) * 2012-02-20 2013-08-22 Siemens Aktiengesellschaft Messwandlergehäuseanordnung
EP2800113B1 (fr) * 2013-04-29 2016-03-16 ABB Technology AG Transformateur de mesure sec à haute tension
CN204315380U (zh) * 2014-12-02 2015-05-06 广东电网有限责任公司东莞供电局 一种开合式电流互感器

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1051961B (de) * 1956-08-23 1959-03-05 Messwandler Bau Gmbh Giessharzisolierter Messwandler
EP2887368A1 (fr) * 2013-12-20 2015-06-24 Siemens Aktiengesellschaft Convertisseur de mesure isolé par gaz avec dispositif de séparation

Also Published As

Publication number Publication date
DE102015216861A1 (de) 2017-03-09
CN107924759B (zh) 2019-09-13
EP3320551A1 (fr) 2018-05-16
CN107924759A (zh) 2018-04-17
HRP20191161T1 (hr) 2019-10-04
ES2736425T3 (es) 2019-12-30
EP3320551B1 (fr) 2019-04-17

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