FR2542131B1 - Transformateur de mesure de courant - Google Patents

Transformateur de mesure de courant

Info

Publication number
FR2542131B1
FR2542131B1 FR8403047A FR8403047A FR2542131B1 FR 2542131 B1 FR2542131 B1 FR 2542131B1 FR 8403047 A FR8403047 A FR 8403047A FR 8403047 A FR8403047 A FR 8403047A FR 2542131 B1 FR2542131 B1 FR 2542131B1
Authority
FR
France
Prior art keywords
current measurement
measurement transformer
transformer
current
measurement
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.)
Expired
Application number
FR8403047A
Other languages
English (en)
Other versions
FR2542131A1 (fr
Inventor
R Friedl
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr 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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of FR2542131A1 publication Critical patent/FR2542131A1/fr
Application granted granted Critical
Publication of FR2542131B1 publication Critical patent/FR2542131B1/fr
Expired 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
    • 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
    • G01R15/185—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 with compensation or feedback windings or interacting coils, e.g. 0-flux sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Transformers For Measuring Instruments (AREA)
FR8403047A 1983-03-02 1984-02-28 Transformateur de mesure de courant Expired FR2542131B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1137/83A CH660538A5 (de) 1983-03-02 1983-03-02 Messwandler zum messen eines stromes.

Publications (2)

Publication Number Publication Date
FR2542131A1 FR2542131A1 (fr) 1984-09-07
FR2542131B1 true FR2542131B1 (fr) 1987-07-10

Family

ID=4203353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8403047A Expired FR2542131B1 (fr) 1983-03-02 1984-02-28 Transformateur de mesure de courant

Country Status (10)

Country Link
US (1) US4794326A (fr)
JP (1) JPS59159518A (fr)
AT (1) AT389186B (fr)
AU (1) AU560901B2 (fr)
CH (1) CH660538A5 (fr)
DE (1) DE3401594C2 (fr)
ES (1) ES8501164A1 (fr)
FR (1) FR2542131B1 (fr)
GB (1) GB2135830B (fr)
SE (1) SE455354B (fr)

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JPH0736025B2 (ja) * 1985-07-02 1995-04-19 松下電器産業株式会社 電動機駆動用インバ−タの電流検出装置
US4630018A (en) * 1985-11-08 1986-12-16 Siemens Energy & Automation, Inc. Molded case circuit breaker current transformer with spiral bus
DE3715528A1 (de) * 1987-05-09 1988-11-24 Zera Elektrische Pruefgeraete Stromwandlerschaltung
GB8805245D0 (en) * 1988-03-04 1988-04-07 Cambridge Consultants Active current transformer
US5041780A (en) * 1988-09-13 1991-08-20 California Institute Of Technology Integrable current sensors
US5068636A (en) * 1989-10-26 1991-11-26 Doble Engineering Company Current shunting
US5223790A (en) * 1991-05-10 1993-06-29 Metricom, Inc. Current sensor using current transformer with sintered primary
US5453681A (en) * 1993-07-06 1995-09-26 General Electric Company Current sensor employing a mutually inductive current sensing scheme
US5416408A (en) * 1993-07-06 1995-05-16 General Electric Company Current sensor employing a mutually inductive current sensing scheme with a magnetic field substantially uniform in angular direction
US5420504A (en) * 1993-07-06 1995-05-30 General Electric Company Noninductive shunt current sensor based on concentric-pipe geometry
US5446372A (en) * 1993-07-06 1995-08-29 General Electric Company Noninductive shunt current sensor with self-power capability
US5459395A (en) * 1993-07-06 1995-10-17 General Electric Company Reduced flux current sensor
US5438257A (en) * 1993-09-09 1995-08-01 General Electric Company Reduced magnetic flux current sensor
US5463313A (en) * 1993-09-09 1995-10-31 General Electric Company Reduced magnetic field line integral current sensor
US5451865A (en) * 1994-02-25 1995-09-19 General Electric Company Method and apparatus for sensing an input current with a bridge circuit
US5587652A (en) * 1994-11-21 1996-12-24 General Electric Company Alternating current sensor based on parallel-plate geometry and having a shunt for self-powering
US5642041A (en) * 1994-11-21 1997-06-24 General Electric Company Alternating current sensor employing parallel plates and having high dynamic range and accuracy
US5587651A (en) * 1994-11-21 1996-12-24 General Electric Company Alternating current sensor based on parallel-plate geometry and having a conductor for providing separate self-powering
US6023160A (en) * 1994-12-19 2000-02-08 General Electric Company Electrical metering system having an electrical meter and an external current sensor
DE19501719C2 (de) * 1995-01-20 1999-10-07 Siemens Ag Meßshunt
DE19535551C2 (de) * 1995-09-25 1997-10-02 Siemens Ag Stromwandleranordnung mit einem Shunt
US6114847A (en) * 1995-10-04 2000-09-05 Johnson; Darrell Connectionless signal detection device for conductive cables
US5841272A (en) * 1995-12-20 1998-11-24 Sundstrand Corporation Frequency-insensitive current sensor
WO1997042723A1 (fr) 1996-05-08 1997-11-13 Robert Bosch Gmbh Procede de transmission de messages par radiodiffusion audionumerique et recepteur de mise en oeuvre du procede
GB9616157D0 (en) * 1996-08-01 1996-09-11 Switched Reluctance Drives Ltd Current transducer
US5917401A (en) * 1997-02-26 1999-06-29 Sundstrand Corporation Conductive bus member and method of fabricating same
DE19731790A1 (de) * 1997-07-24 1999-01-28 Bosch Gmbh Robert Einrichtung zum Erfassen eines Wechselstromes
US6042463A (en) 1997-11-20 2000-03-28 General Electric Company Polycrystalline diamond compact cutter with reduced failure during brazing
US6045440A (en) * 1997-11-20 2000-04-04 General Electric Company Polycrystalline diamond compact PDC cutter with improved cutting capability
GB9813668D0 (en) 1998-06-25 1998-08-26 Sentec Ltd Printed circuit board current sensor
DE29814298U1 (de) * 1998-07-30 1998-11-19 Siemens AG, 80333 München Stromwandleranordnung mit einer Stromschiene als Primärwicklung
DE19838536A1 (de) * 1998-08-25 2000-03-02 Lust Antriebstechnik Gmbh Vorrichtung und Verfahren zur Bildung eines oder mehrerer Magnetfeldgradienten durch einen geraden Leiter
US6271656B1 (en) 1999-08-03 2001-08-07 Eaton Corporation Electrical current sensing apparatus
US6130599A (en) * 1999-08-03 2000-10-10 Eaton Corporation Electrical current sensing apparatus
EP1074846B1 (fr) * 1999-08-04 2007-02-14 Schneider Electric Industries SAS Capteur de courant pour appareil électrique
GB9918539D0 (en) 1999-08-06 1999-10-06 Sentec Ltd Planar current transformer
EP1353340A4 (fr) * 2001-01-15 2008-06-04 Matsushita Electric Works Ltd Shunt et son procede de reglage
AR033080A1 (es) * 2001-04-02 2003-12-03 Sentec Ltd Sensor de corriente
US6597271B2 (en) * 2001-10-12 2003-07-22 Galliano Riccardo Busletta Electromagnetic apparatus having adjusting effective core gap
DE202004005495U1 (de) * 2004-04-07 2005-08-18 Ellenberger & Poensgen Gmbh Stromsensor
US7915885B2 (en) * 2008-08-04 2011-03-29 Infineon Technologies Ag Sensor system and method
DE102009033126B4 (de) * 2009-07-15 2011-05-05 Emh Metering Gmbh & Co. Kg Stromwandler für einen elektronischen Elektrizitätszähler
CN102809682A (zh) * 2011-06-03 2012-12-05 新科实业有限公司 电流感应电路、印刷电路板组件以及电流传感器装置
US9598907B2 (en) 2014-02-28 2017-03-21 Diamond Innovations Inc. Modification of diamond feeds for improving polycrystalline diamond cutter
WO2015156789A1 (fr) 2014-04-09 2015-10-15 Diamond Innovations, Inc. Comprimé de diamant polycristallin ayant une stabilité thermique accrue
EP3140080A1 (fr) 2014-05-07 2017-03-15 Diamond Innovations, Inc. Corps compact en diamant polycristallin doté d'un substrat modifié
US11279002B2 (en) 2014-06-26 2022-03-22 Diamond Innovations. Inc. Dense packing particle size distribution for PDC cutters
US10166654B2 (en) 2014-06-26 2019-01-01 Diamond Innovations, Inc. Dense packing particle size distribution for PDC cutters
EP3197846B1 (fr) 2014-09-26 2019-03-06 Diamond Innovations, Inc. Substrats pour éléments de coupe en diamant polycristallin présentant des propriétés uniques
WO2016049452A1 (fr) 2014-09-26 2016-03-31 Diamond Innovations, Inc. Organes de coupe comprenant un diamant polycristallin fixé sur un substrat en carbure métallique dur
US10137557B2 (en) 2015-11-18 2018-11-27 Diamond Innovations, Inc. High-density polycrystalline diamond
US10287824B2 (en) 2016-03-04 2019-05-14 Baker Hughes Incorporated Methods of forming polycrystalline diamond
US11396688B2 (en) 2017-05-12 2022-07-26 Baker Hughes Holdings Llc Cutting elements, and related structures and earth-boring tools
US11292750B2 (en) 2017-05-12 2022-04-05 Baker Hughes Holdings Llc Cutting elements and structures
US11536091B2 (en) 2018-05-30 2022-12-27 Baker Hughes Holding LLC Cutting elements, and related earth-boring tools and methods

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2000873B (en) * 1977-07-08 1982-05-26 Landis & Gyr Ag Measuring transformers for potential-free measurement of currents or voltages and static electricity meters including such transformers
CH618043A5 (en) * 1977-07-08 1980-06-30 Landis & Gyr Ag Instrument transformer for the isolated measurement of currents or voltages
US4309655A (en) * 1978-06-23 1982-01-05 Lgz Landis & Gyr Zug Ag Measuring transformer
US4182982A (en) * 1978-07-11 1980-01-08 Westinghouse Electric Corp. Current sensing transducer for power line current measurements
US4240059A (en) * 1979-04-05 1980-12-16 Westinghouse Electric Corp. Current divider for a current sensing transducer
CH643954A5 (de) * 1979-05-31 1984-06-29 Landis & Gyr Ag Stromteiler fuer messwandler.
DE3140544A1 (de) * 1981-10-13 1983-04-21 Richard Dr.-Ing. 3300 Braunschweig Friedl Aktiver stromsensor mit primaerer reduzierwicklung
CH658929A5 (de) * 1982-10-28 1986-12-15 Landis & Gyr Ag Stromteiler fuer messwandler.

Also Published As

Publication number Publication date
GB2135830A (en) 1984-09-05
SE8401120D0 (sv) 1984-02-29
US4794326A (en) 1988-12-27
ATA53284A (de) 1989-03-15
GB2135830B (en) 1986-05-21
SE8401120L (sv) 1984-09-03
ES530178A0 (es) 1984-11-01
JPS59159518A (ja) 1984-09-10
AT389186B (de) 1989-10-25
AU2480384A (en) 1984-09-06
AU560901B2 (en) 1987-04-16
GB8404391D0 (en) 1984-03-28
ES8501164A1 (es) 1984-11-01
DE3401594C2 (de) 1985-07-18
CH660538A5 (de) 1987-04-30
FR2542131A1 (fr) 1984-09-07
DE3401594A1 (de) 1984-09-13
SE455354B (sv) 1988-07-04

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse