IT1141453B - Trasformatore di misura utile per misurare,senza vincolo di potenziale,correnti o tensioni elettriche - Google Patents

Trasformatore di misura utile per misurare,senza vincolo di potenziale,correnti o tensioni elettriche

Info

Publication number
IT1141453B
IT1141453B IT21438/80A IT2143880A IT1141453B IT 1141453 B IT1141453 B IT 1141453B IT 21438/80 A IT21438/80 A IT 21438/80A IT 2143880 A IT2143880 A IT 2143880A IT 1141453 B IT1141453 B IT 1141453B
Authority
IT
Italy
Prior art keywords
measuring
currents
electric voltages
potential restriction
transformer useful
Prior art date
Application number
IT21438/80A
Other languages
English (en)
Other versions
IT8021438A0 (it
Inventor
Gernot Schneider
Werner Trinkler
Mathis Halder
Eva Blazso
Jocob De Vries
Hans Muntwyler
Original Assignee
Landis & 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 & Gyr Ag filed Critical Landis & Gyr Ag
Publication of IT8021438A0 publication Critical patent/IT8021438A0/it
Application granted granted Critical
Publication of IT1141453B publication Critical patent/IT1141453B/it

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Measuring Magnetic Variables (AREA)
  • Transformers For Measuring Instruments (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
IT21438/80A 1979-04-20 1980-04-17 Trasformatore di misura utile per misurare,senza vincolo di potenziale,correnti o tensioni elettriche IT1141453B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH372479A CH642477A5 (de) 1979-04-20 1979-04-20 Messwandler zum potentialfreien messen von stroemen oder spannungen.

Publications (2)

Publication Number Publication Date
IT8021438A0 IT8021438A0 (it) 1980-04-17
IT1141453B true IT1141453B (it) 1986-10-01

Family

ID=4262134

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21438/80A IT1141453B (it) 1979-04-20 1980-04-17 Trasformatore di misura utile per misurare,senza vincolo di potenziale,correnti o tensioni elettriche

Country Status (10)

Country Link
US (1) US4362990A (it)
JP (1) JPS5937846B2 (it)
CH (1) CH642477A5 (it)
DE (1) DE2918483C2 (it)
FR (1) FR2454679A1 (it)
GB (1) GB2047976B (it)
IT (1) IT1141453B (it)
NL (1) NL185965B (it)
SE (1) SE451042B (it)
YU (1) YU103680A (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH656746A5 (de) * 1982-06-15 1986-07-15 Landis & Gyr Ag Magnetfeldsensor.
EP0099979B1 (de) * 1982-07-26 1987-04-08 LGZ LANDIS & GYR ZUG AG Magnetfeldsensor und dessen Verwendung
DE3479758D1 (en) * 1984-01-07 1989-10-19 Duerrwaechter E Dr Doduco Device for measuring electrical currents using a magnetic-field sensor
US4833437A (en) * 1986-07-21 1989-05-23 Williamson Windings Inc. Magnetic core inductor
US4813126A (en) * 1986-10-01 1989-03-21 Williamson Windings Inc. Apparatus and method for fabricating magnetic devices
US4972140A (en) * 1988-06-14 1990-11-20 Stanley Electric Co., Ltd. Current detection device and core for detection of magnetic flux
US5066904A (en) * 1988-10-18 1991-11-19 General Electric Company Coaxial current sensors
US5216402A (en) * 1992-01-22 1993-06-01 Hughes Aircraft Company Separable inductive coupler
US5343143A (en) * 1992-02-11 1994-08-30 Landis & Gyr Metering, Inc. Shielded current sensing device for a watthour meter
DE9203283U1 (it) * 1992-03-11 1993-07-15 Siemens Ag, 8000 Muenchen, De
FR2693831B1 (fr) * 1992-07-15 1994-10-14 Abb Control Sa Transformateur asservi d'intensité pour courants continus, alternatifs ou pulsés.
ES2191557B1 (es) * 2002-02-15 2005-02-01 Esdras Automatica, S.L. Transformador para medida de tension y corriente electrica caracterizado por la recepcion de ondas electromagneticas en medio dielectrico.
EP1450176A1 (en) * 2003-02-21 2004-08-25 Liaisons Electroniques-Mecaniques Lem S.A. Magnetic field sensor and electrical current sensor therewith
JP2008039571A (ja) * 2006-08-04 2008-02-21 Denso Corp 電流センサ
ES2405837B1 (es) * 2012-11-12 2013-10-18 Premo, S.L. Dispositivo sensor de corriente de montaje superficial
EP2743944B1 (en) * 2012-12-13 2017-02-15 Tyco Electronics Nederland B.V. Contactless connector
CN106093826B (zh) * 2016-08-10 2019-07-12 李蕊名 一种带气隙铁芯电流互感器测量结构
WO2020033041A1 (en) * 2018-08-07 2020-02-13 Halliburton Energy Services, Inc. Caliper tool and sensor for use in high pressure environments

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608610A (en) * 1950-01-28 1952-08-26 Bell Telephone Labor Inc Transformer
FR1020505A (fr) * 1950-06-19 1953-02-06 Plessey Co Ltd Bobine d'inductance à haute fréquence avec enroulement logé dans une enveloppe formée de cuvettes accolées
FR1364128A (fr) * 1963-05-09 1964-06-19 Lignes Telegraph Telephon Noyaux magnétiques améliorés
DE1638602B1 (de) * 1967-09-12 1970-09-24 Siemens Ag Stromwandler mit einem Eisenkernsystem,das einen mittels mindestens eines Luftspaltes gescherten Eisenkern enthaelt
DE2409881C3 (de) * 1974-03-01 1978-12-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schalenkernübertrager
FR2312844A1 (fr) * 1975-05-29 1976-12-24 Cem Comp Electro Mec Perfectionnemen
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

Also Published As

Publication number Publication date
NL185965B (nl) 1990-03-16
FR2454679B1 (it) 1984-03-16
US4362990A (en) 1982-12-07
JPS55141719A (en) 1980-11-05
CH642477A5 (de) 1984-04-13
FR2454679A1 (fr) 1980-11-14
SE451042B (sv) 1987-08-24
DE2918483A1 (de) 1980-10-23
GB2047976B (en) 1983-03-09
IT8021438A0 (it) 1980-04-17
DE2918483C2 (de) 1983-08-04
YU103680A (en) 1982-08-31
JPS5937846B2 (ja) 1984-09-12
GB2047976A (en) 1980-12-03
NL8002299A (nl) 1980-10-22
SE8002936L (sv) 1980-10-21

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