SE451042B - Mettransformator for potentialfri metning av strommar eller spenningar - Google Patents
Mettransformator for potentialfri metning av strommar eller spenningarInfo
- Publication number
- SE451042B SE451042B SE8002936A SE8002936A SE451042B SE 451042 B SE451042 B SE 451042B SE 8002936 A SE8002936 A SE 8002936A SE 8002936 A SE8002936 A SE 8002936A SE 451042 B SE451042 B SE 451042B
- Authority
- SE
- Sweden
- Prior art keywords
- core
- magnetic film
- measuring
- bowl
- transformer according
- Prior art date
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)
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 |
---|---|
SE8002936L SE8002936L (sv) | 1980-10-21 |
SE451042B true SE451042B (sv) | 1987-08-24 |
Family
ID=4262134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8002936A SE451042B (sv) | 1979-04-20 | 1980-04-18 | Mettransformator for potentialfri metning av strommar eller spenningar |
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)
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 |
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 (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)
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 |
-
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 JP JP55048785A patent/JPS5937846B2/ja not_active Expired
- 1980-04-15 YU YU01036/80A patent/YU103680A/xx unknown
- 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 |
---|---|
FR2454679B1 (xx) | 1984-03-16 |
IT8021438A0 (it) | 1980-04-17 |
IT1141453B (it) | 1986-10-01 |
CH642477A5 (de) | 1984-04-13 |
NL185965B (nl) | 1990-03-16 |
DE2918483C2 (de) | 1983-08-04 |
GB2047976B (en) | 1983-03-09 |
FR2454679A1 (fr) | 1980-11-14 |
DE2918483A1 (de) | 1980-10-23 |
JPS55141719A (en) | 1980-11-05 |
US4362990A (en) | 1982-12-07 |
JPS5937846B2 (ja) | 1984-09-12 |
GB2047976A (en) | 1980-12-03 |
YU103680A (en) | 1982-08-31 |
SE8002936L (sv) | 1980-10-21 |
NL8002299A (nl) | 1980-10-22 |
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Legal Events
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NUG | Patent has lapsed |
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