EP0571319A3 - Bar core current transformer - Google Patents

Bar core current transformer Download PDF

Info

Publication number
EP0571319A3
EP0571319A3 EP19930810227 EP93810227A EP0571319A3 EP 0571319 A3 EP0571319 A3 EP 0571319A3 EP 19930810227 EP19930810227 EP 19930810227 EP 93810227 A EP93810227 A EP 93810227A EP 0571319 A3 EP0571319 A3 EP 0571319A3
Authority
EP
European Patent Office
Prior art keywords
current transformer
core
secondary winding
bar core
core current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19930810227
Other languages
German (de)
French (fr)
Other versions
EP0571319B1 (en
EP0571319A2 (en
Inventor
Ulrich Kull
Max Friedrich
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.)
Moser Glaser and Co AG
Original Assignee
Moser Glaser and Co AG
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 Moser Glaser and Co AG filed Critical Moser Glaser and Co AG
Publication of EP0571319A2 publication Critical patent/EP0571319A2/en
Publication of EP0571319A3 publication Critical patent/EP0571319A3/en
Application granted granted Critical
Publication of EP0571319B1 publication Critical patent/EP0571319B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01F38/28—Current transformers
    • H01F38/30—Constructions

Abstract

Beim erfindungsgemässen Stromwandler sind die verwendeten Bauteile neuartig angeordnet. Die Primärwicklung (7) ist in einem Abstand, der zur Einführung einer Hochspannungsisolation (10) vorhanden ist, um die Sekundärwicklung (8) mit gestrecktem Kern (9) angeordnet. Sekundärwicklung (8) und Kern (9) befinden sich in einem geerdeten, elektrisch leitenden Rohr (12), in welchem die Ableitungen der Sekundärwicklung zur Erde geführt sind. Mit diesem Aufbau wird die nach dem Stand der Technik notwendige gegenseitige Umschlingung von Kern und Wicklungen, welche für manche Anwendung ungüstig und fertigungstechnisch aufwendig ist, vermieden. In the current transformer according to the invention, the components used are arranged in a new way. The primary winding (7) is arranged around the secondary winding (8) with a stretched core (9) at a distance which is present for the introduction of high-voltage insulation (10). Secondary winding (8) and core (9) are located in an earthed, electrically conductive tube (12) in which the leads of the secondary winding are led to earth. With this structure, the mutual wrapping of the core and windings, which is necessary for some applications and is expensive to manufacture, is avoided.

EP93810227A 1992-04-03 1993-03-30 Bar core current transformer Expired - Lifetime EP0571319B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH110192 1992-04-03
CH1101/92 1992-04-03

Publications (3)

Publication Number Publication Date
EP0571319A2 EP0571319A2 (en) 1993-11-24
EP0571319A3 true EP0571319A3 (en) 1993-12-15
EP0571319B1 EP0571319B1 (en) 1996-06-12

Family

ID=4202500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93810227A Expired - Lifetime EP0571319B1 (en) 1992-04-03 1993-03-30 Bar core current transformer

Country Status (7)

Country Link
US (1) US5504419A (en)
EP (1) EP0571319B1 (en)
AT (1) ATE139365T1 (en)
CA (1) CA2093288A1 (en)
DE (1) DE59302880D1 (en)
ES (1) ES2089773T3 (en)
NO (1) NO931245L (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH692161A5 (en) * 1997-07-04 2002-02-28 Lem Liaisons Electron Mec current sensor.
JP2004201482A (en) * 2002-05-08 2004-07-15 Fiderikkusu:Kk Switching power supply device
WO2010061399A1 (en) * 2008-11-27 2010-06-03 Areva T&D India Ltd. A current transformer
DE102010005086B4 (en) * 2010-01-15 2018-05-24 Siemens Aktiengesellschaft High-voltage bushing
DE102021109474A1 (en) 2021-04-15 2022-10-20 TenneT TSO GmbH Electric coil arranged in an alternating electromagnetic field to generate electricity for own use

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH568646A5 (en) * 1973-05-17 1975-10-31 Siemens Ag
US4032837A (en) * 1975-02-18 1977-06-28 Oy Stromberg Ab Current transformer
US4060759A (en) * 1974-10-18 1977-11-29 Oy Stromberg Ab Tube-insulated shell-core current transformer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2703390A (en) * 1951-10-11 1955-03-01 Gen Electric Explosion-safe transformer
US2945912A (en) * 1953-06-15 1960-07-19 Moser Glaser & Co Ag High voltage insulator
US2947958A (en) * 1955-07-18 1960-08-02 Gen Electric High voltage current transformer
US3187282A (en) * 1962-09-24 1965-06-01 Sigma Instruments Inc Current probe for high tension lines
FI46572C (en) * 1972-04-07 1973-04-10 Stroemberg Oy Ab Voltage transformer.
FI46571C (en) * 1972-04-07 1973-04-10 Stroemberg Oy Ab High voltage current transformer.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH568646A5 (en) * 1973-05-17 1975-10-31 Siemens Ag
US4060759A (en) * 1974-10-18 1977-11-29 Oy Stromberg Ab Tube-insulated shell-core current transformer
US4032837A (en) * 1975-02-18 1977-06-28 Oy Stromberg Ab Current transformer

Also Published As

Publication number Publication date
NO931245D0 (en) 1993-03-31
DE59302880D1 (en) 1996-07-18
CA2093288A1 (en) 1993-10-04
EP0571319B1 (en) 1996-06-12
NO931245L (en) 1993-10-04
EP0571319A2 (en) 1993-11-24
US5504419A (en) 1996-04-02
ES2089773T3 (en) 1996-10-01
ATE139365T1 (en) 1996-06-15

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