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
Authority: NL; Netherlands
Prior art keywords: currents; voltages; measuring transformer; free measurement; potential free
Prior art date: 1979-04-20

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.)

1979-04-20

Filing date

1980-04-18

Publication date

1990-03-16

1980-04-18 Application filed by Landis & Gyr Ag filed Critical Landis & Gyr Ag

1980-10-22 Publication of NL8002299A publication Critical patent/NL8002299A/nl

1990-03-16 Publication of NL185965B publication Critical patent/NL185965B/xx

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 (xx)
JP (1)	JPS5937846B2 (xx)
CH (1)	CH642477A5 (xx)
DE (1)	DE2918483C2 (xx)
FR (1)	FR2454679A1 (xx)
GB (1)	GB2047976B (xx)
IT (1)	IT1141453B (xx)
NL (1)	NL185965B (xx)
SE (1)	SE451042B (xx)
YU (1)	YU103680A (xx)

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
EP0155391B1 (de) *	1984-01-07	1989-09-13	DODUCO KG. Dr. Eugen Dürrwächter	Anordnung zum Messen von elektrischen Strömen unter Verwendung eines Magnetfeldsensors
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 (de) *	1992-03-11	1993-07-15	Siemens AG, 8000 München	Stromsensor mit integrierter Meßschaltung
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

1979
- 1979-04-20 CH CH372479A patent/CH642477A5/de not_active IP Right Cessation
- 1979-05-08 DE DE2918483A patent/DE2918483C2/de not_active Expired
1980
- 1980-04-07 US US06/138,005 patent/US4362990A/en not_active Expired - Lifetime
- 1980-04-14 GB GB8012260A patent/GB2047976B/en not_active Expired
- 1980-04-15 YU YU01036/80A patent/YU103680A/xx unknown
- 1980-04-15 JP JP55048785A patent/JPS5937846B2/ja not_active Expired
- 1980-04-17 IT IT21438/80A patent/IT1141453B/it active
- 1980-04-18 NL NLAANVRAGE8002299,A patent/NL185965B/xx not_active Application Discontinuation
- 1980-04-18 SE SE8002936A patent/SE451042B/sv not_active IP Right Cessation
- 1980-04-21 FR FR8008904A patent/FR2454679A1/fr active Granted

Also Published As

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

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Legal Events

Date	Code	Title
1985-01-01	A85	Still pending on 85-01-01
1987-03-02	BA	A request for search or an international-type search has been filed
1987-03-02	BB	A search report has been drawn up
1987-04-01	BC	A request for examination has been filed
1990-05-01	BI	The patent application has been withdrawn