ATE154466T1 - Transformator, insbesondere messwandler, zum beispiel zur erkennung von fehlern in elektrischen kabeln - Google Patents

Transformator, insbesondere messwandler, zum beispiel zur erkennung von fehlern in elektrischen kabeln

Info

Publication number
ATE154466T1
ATE154466T1 AT94400018T AT94400018T ATE154466T1 AT E154466 T1 ATE154466 T1 AT E154466T1 AT 94400018 T AT94400018 T AT 94400018T AT 94400018 T AT94400018 T AT 94400018T AT E154466 T1 ATE154466 T1 AT E154466T1
Authority
AT
Austria
Prior art keywords
assembly element
transformer
case part
torus
electrical cables
Prior art date
Application number
AT94400018T
Other languages
English (en)
Inventor
Alain Lefevre
Jack Saintier
Original Assignee
Bardin Ets
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 Bardin Ets filed Critical Bardin Ets
Application granted granted Critical
Publication of ATE154466T1 publication Critical patent/ATE154466T1/de

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
    • 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
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • 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
    • H01F38/305—Constructions with toroidal magnetic core

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Housings And Mounting Of Transformers (AREA)
  • Transformers For Measuring Instruments (AREA)
AT94400018T 1993-01-08 1994-01-05 Transformator, insbesondere messwandler, zum beispiel zur erkennung von fehlern in elektrischen kabeln ATE154466T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9300149A FR2700395B1 (fr) 1993-01-08 1993-01-08 Transformateur, notamment transformateur de mesure, par exemple pour la détection de défauts sur les câbles électriques.

Publications (1)

Publication Number Publication Date
ATE154466T1 true ATE154466T1 (de) 1997-06-15

Family

ID=9442915

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94400018T ATE154466T1 (de) 1993-01-08 1994-01-05 Transformator, insbesondere messwandler, zum beispiel zur erkennung von fehlern in elektrischen kabeln

Country Status (8)

Country Link
US (1) US5381123A (de)
EP (1) EP0606181B1 (de)
JP (1) JPH0774027A (de)
CN (1) CN1107995A (de)
AT (1) ATE154466T1 (de)
CA (1) CA2112935A1 (de)
DE (1) DE69403681D1 (de)
FR (1) FR2700395B1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5886596A (en) * 1993-08-06 1999-03-23 Uab Research Foundation Radio frequency volume coils for imaging and spectroscopy
FR2725790A1 (fr) * 1994-10-18 1996-04-19 Lyla Electronique Sarl Dispositif pour la mesure de la variation de resistance d'au moins un cable electrique
EP0961124A3 (de) * 1998-05-28 2003-07-02 Matsushita Electric Industrial Co., Ltd. Mehrkreis-Instrument und Stromtransformator zum Messen von mehreren elektrischen Grössen
EP0999565A1 (de) * 1998-11-06 2000-05-10 Chauvin Arnoux Messwandleranordnung zum Messen eines elektrischen Stroms
DE102011102978B4 (de) * 2011-05-23 2018-05-17 Phoenix Contact Gmbh & Co. Kg Strommessumformer
DE102012103516A1 (de) 2012-04-20 2013-10-24 Dipl.-Ing. H. Horstmann Gmbh Stromwandler zur Fehlerstrom-Erfassung in elektrischen Spannungsversorgungen
WO2017077379A1 (en) * 2015-11-05 2017-05-11 Hm Power Ab Current sensor
CN105845420A (zh) * 2016-05-16 2016-08-10 国家电网公司 一种卡扣式电流互感器
US11569567B2 (en) 2017-05-03 2023-01-31 Commscope Technologies Llc Multi-band base station antennas having crossed-dipole radiating elements with generally oval or rectangularly shaped dipole arms and/or common mode resonance reduction filters
CN114019304B (zh) * 2021-11-01 2025-03-18 国网江苏省电力有限公司常州供电分公司 一种基于电场和磁场变化的电缆终端缺陷检测装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2148641A (en) * 1936-04-09 1939-02-28 Reich Erno Transformer for electrical measuring instruments
US3725832A (en) * 1971-10-12 1973-04-03 Schwertzer E Mfg Co Inc Magnetic core structure
US4005380A (en) * 1975-06-12 1977-01-25 Robert Bosch G.M.B.H. Clip-on inductive pulse pick-up
US4234863A (en) * 1978-11-08 1980-11-18 Dixson, Inc. Inductive pickup clip
US4408175A (en) * 1982-01-18 1983-10-04 Honeywell Inc. Self centering current responsive pickup means
DE3318270C1 (de) * 1983-05-19 1984-08-02 Daimler-Benz Ag, 7000 Stuttgart Strommesssensor zur Funktionskontrolle elektrischer Verbraucher
US5039970A (en) * 1989-05-17 1991-08-13 Minnesota Mining And Manufacturing Company Self-aligning core for induction coil
FR2672152B1 (fr) * 1991-01-29 1993-05-07 Bardin Ets Tore de transformateur, et procede de fabrication d'un tel tore.

Also Published As

Publication number Publication date
CN1107995A (zh) 1995-09-06
CA2112935A1 (fr) 1994-07-09
US5381123A (en) 1995-01-10
EP0606181A1 (de) 1994-07-13
DE69403681D1 (de) 1997-07-17
FR2700395A1 (fr) 1994-07-13
FR2700395B1 (fr) 1995-04-21
EP0606181B1 (de) 1997-06-11
JPH0774027A (ja) 1995-03-17

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties