NL185965B - Meettransformator voor de potentiaalvrije meting van stromen of spanningen. - Google Patents

Meettransformator voor de potentiaalvrije meting van stromen of spanningen.

Info

Publication number
NL185965B
NL185965B NLAANVRAGE8002299,A NL8002299A NL185965B NL 185965 B NL185965 B NL 185965B NL 8002299 A NL8002299 A NL 8002299A NL 185965 B NL185965 B NL 185965B
Authority
NL
Netherlands
Prior art keywords
currents
voltages
measuring transformer
free measurement
potential free
Prior art date
Application number
NLAANVRAGE8002299,A
Other languages
English (en)
Dutch (nl)
Other versions
NL8002299A (nl
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 NL8002299A publication Critical patent/NL8002299A/nl
Publication of NL185965B publication Critical patent/NL185965B/xx

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)
NLAANVRAGE8002299,A 1979-04-20 1980-04-18 Meettransformator voor de potentiaalvrije meting van stromen of spanningen. NL185965B (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH372479 1979-04-20
CH372479A CH642477A5 (de) 1979-04-20 1979-04-20 Messwandler zum potentialfreien messen von stroemen oder spannungen.

Publications (2)

Publication Number Publication Date
NL8002299A NL8002299A (nl) 1980-10-22
NL185965B true NL185965B (nl) 1990-03-16

Family

ID=4262134

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8002299,A NL185965B (nl) 1979-04-20 1980-04-18 Meettransformator voor de potentiaalvrije meting van stromen of spanningen.

Country Status (10)

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

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.
DE3370875D1 (en) * 1982-07-26 1987-05-14 Landis & Gyr Ag Magnetic field sensor and the use thereof
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
CA1331785C (en) * 1988-06-14 1994-08-30 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 (ja) * 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
CH618043A5 (en) * 1977-07-08 1980-06-30 Landis & Gyr Ag Instrument transformer for the isolated measurement of currents or voltages
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

Also Published As

Publication number Publication date
JPS5937846B2 (ja) 1984-09-12
FR2454679B1 (ja) 1984-03-16
US4362990A (en) 1982-12-07
IT8021438A0 (it) 1980-04-17
NL8002299A (nl) 1980-10-22
DE2918483A1 (de) 1980-10-23
GB2047976A (en) 1980-12-03
IT1141453B (it) 1986-10-01
CH642477A5 (de) 1984-04-13
GB2047976B (en) 1983-03-09
JPS55141719A (en) 1980-11-05
FR2454679A1 (fr) 1980-11-14
DE2918483C2 (de) 1983-08-04
SE8002936L (sv) 1980-10-21
YU103680A (en) 1982-08-31
SE451042B (sv) 1987-08-24

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BI The patent application has been withdrawn