NL7807352A - Meettransformator voor het potentiaalvrij meten van stromen of spanningen. - Google Patents
Meettransformator voor het potentiaalvrij meten van stromen of spanningen.Info
- Publication number
- NL7807352A NL7807352A NL7807352A NL7807352A NL7807352A NL 7807352 A NL7807352 A NL 7807352A NL 7807352 A NL7807352 A NL 7807352A NL 7807352 A NL7807352 A NL 7807352A NL 7807352 A NL7807352 A NL 7807352A
- Authority
- NL
- Netherlands
- Prior art keywords
- currents
- voltages
- potential
- measuring transformer
- free measurement
- 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
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
- G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transformers For Measuring Instruments (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH845577A CH618043A5 (en) | 1977-07-08 | 1977-07-08 | Instrument transformer for the isolated measurement of currents or voltages |
CH564478A CH627875A5 (en) | 1978-05-24 | 1978-05-24 | Measurement transformer for the floating measurement of currents or voltages |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7807352A true NL7807352A (nl) | 1979-01-10 |
NL173331B NL173331B (nl) | 1983-08-01 |
NL173331C NL173331C (nl) | 1984-01-02 |
Family
ID=25698130
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7807352,A NL173331C (nl) | 1977-07-08 | 1978-07-07 | Inrichting voor het meten van de grootte van een elektrische stroom door een meetstroomgeleider, die galvanisch is gescheiden van het meetcircuit. |
Country Status (8)
Country | Link |
---|---|
US (2) | US4506214A (nl) |
JP (1) | JPS5419123A (nl) |
FR (1) | FR2397052B1 (nl) |
GB (1) | GB2000873B (nl) |
IT (1) | IT1108702B (nl) |
NL (1) | NL173331C (nl) |
SE (1) | SE429901B (nl) |
YU (1) | YU40712B (nl) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5491614U (nl) * | 1977-12-12 | 1979-06-28 | ||
CH642477A5 (de) * | 1979-04-20 | 1984-04-13 | Landis & Gyr Ag | Messwandler zum potentialfreien messen von stroemen oder spannungen. |
CH651152A5 (de) * | 1979-11-27 | 1985-08-30 | Landis & Gyr Ag | Messwandler zum messen eines insbesondere von einem messstrom erzeugten magnetfeldes. |
CH651151A5 (de) * | 1979-11-27 | 1985-08-30 | Landis & Gyr Ag | Messwandler zum messen eines insbesondere von einem messstrom erzeugten magnetfeldes. |
CH650357A5 (de) * | 1981-03-26 | 1985-07-15 | Landis & Gyr Ag | Magnetkernloser messwandler zum potentialfreien messen eines messstromes. |
CH660537A5 (de) * | 1983-03-02 | 1987-04-30 | Landis & Gyr Ag | Messwandler zum messen eines stromes. |
CH660538A5 (de) * | 1983-03-02 | 1987-04-30 | Landis & Gyr Ag | Messwandler zum messen eines stromes. |
GB2165706B (en) * | 1984-10-12 | 1987-09-09 | Dayle Rigby Smith | Alternating current sensor assembly and method of making same |
US5418514A (en) * | 1984-10-12 | 1995-05-23 | Smith; Dayle R. | AC current sensor and method of making same |
US4661807A (en) * | 1984-10-12 | 1987-04-28 | Gould Inc. | Electric fuse holder having an integral current sensor |
US4591942A (en) * | 1984-12-07 | 1986-05-27 | General Electric Company | Current sensing transformer assembly |
ES2019323B3 (es) * | 1986-09-29 | 1991-06-16 | Landis & Gyr Betr Ag | Transformador de medicion para medir la corriente que pasa por un conductor electrico |
KR910004261B1 (ko) * | 1987-04-09 | 1991-06-25 | 후지쓰 가부시끼가이샤 | 자전 변환 소자를 이용한 검지기 |
US4835463A (en) * | 1987-08-24 | 1989-05-30 | Metricom, Inc. | Wide dynamic range a.c. current sensor |
US4939451A (en) * | 1987-08-24 | 1990-07-03 | Metricom, Inc. | Wide dynamic range a.c. current sensor |
US5223790A (en) * | 1991-05-10 | 1993-06-29 | Metricom, Inc. | Current sensor using current transformer with sintered primary |
JPH0525282U (ja) * | 1991-09-04 | 1993-04-02 | 白井松器械株式会社 | 遺体保存冷凍冷蔵庫 |
US5343143A (en) * | 1992-02-11 | 1994-08-30 | Landis & Gyr Metering, Inc. | Shielded current sensing device for a watthour meter |
WO1994017424A1 (en) * | 1993-01-19 | 1994-08-04 | Hydro-Quebec | Current surge indicator |
US5717327A (en) * | 1995-09-22 | 1998-02-10 | Bradford; Melvin J. | Current sensor |
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 |
US5917401A (en) * | 1997-02-26 | 1999-06-29 | Sundstrand Corporation | Conductive bus member and method of fabricating same |
US5839185A (en) * | 1997-02-26 | 1998-11-24 | Sundstrand Corporation | Method of fabricating a magnetic flux concentrating core |
US6337571B2 (en) * | 1998-11-13 | 2002-01-08 | Tektronix, Inc. | Ultra-high-frequency current probe in surface-mount form factor |
JP2000258461A (ja) * | 1999-03-05 | 2000-09-22 | Sony Corp | 高周波電流検出装置 |
US6130599A (en) * | 1999-08-03 | 2000-10-10 | Eaton Corporation | Electrical current sensing apparatus |
US6271656B1 (en) | 1999-08-03 | 2001-08-07 | Eaton Corporation | Electrical current sensing apparatus |
DE10224747B4 (de) * | 2002-06-04 | 2004-05-13 | Infineon Technologies Ag | Sensorschaltung und Verfahren zur Herstellung derselben |
US7511483B2 (en) * | 2003-01-31 | 2009-03-31 | Commissariat Energie Atomique | Device for sensing RF field |
US7084617B2 (en) * | 2004-04-21 | 2006-08-01 | Denso Corporation | Electric current sensor having magnetic gap |
JP2012059899A (ja) * | 2010-09-08 | 2012-03-22 | Toshiba Corp | 計器用変成器装置 |
DE102012209782B4 (de) * | 2012-06-12 | 2017-10-19 | Bender Gmbh & Co. Kg | Verfahren und Vorrichtung zur allstromsensitiven Strommessung |
DE102013112760A1 (de) * | 2013-11-19 | 2015-05-21 | Danfoss Silicon Power Gmbh | Leistungsmodul mit integrierter Strommessung |
US9790784B2 (en) * | 2014-05-20 | 2017-10-17 | Aps Technology, Inc. | Telemetry system, current sensor, and related methods for a drilling system |
US9976413B2 (en) | 2015-02-20 | 2018-05-22 | Aps Technology, Inc. | Pressure locking device for downhole tools |
DE102015002890B4 (de) * | 2015-03-09 | 2019-09-19 | Zollner Elektronik Ag | Vorrichtung zum Messen von elektrischen Strömen bei elektrischen Bauteilen |
JP6759965B2 (ja) * | 2016-10-19 | 2020-09-23 | Tdk株式会社 | 磁気センサ用インダクタンス素子及びこれを備える電流センサ |
CN113075607B (zh) * | 2021-03-18 | 2022-04-22 | 浙江聚创智能科技有限公司 | 一种电子式断路器内计量型互感器自取电式测量电路 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2906945A (en) * | 1952-11-12 | 1959-09-29 | Siemens Ag | Apparatus for effecting an electric control in response to a magnetic field |
DE1003267B (de) * | 1953-09-05 | 1957-02-28 | Siemens Ag | Luftspaltloser magnetischer Kern fuer steuerbare Saettigungsdrosseln |
US2946955A (en) * | 1953-08-31 | 1960-07-26 | Siemens Ag | Measuring apparatus comprising a magnetic field-responsive resistor as a condition-responsive element |
US3381138A (en) * | 1960-12-20 | 1968-04-30 | Kokusai Denshin Denwa Co Ltd | Parametron element using ferromagnetic thin film |
US3212006A (en) * | 1961-06-27 | 1965-10-12 | Gen Electric | Light load compensation device for polyphase network meter including an inductor with a saturable flux path |
FR1392656A (fr) * | 1964-02-06 | 1965-03-19 | Bull Sa Machines | Dispositifs à impédance variable |
US3372334A (en) * | 1964-03-25 | 1968-03-05 | Udylite Corp | Calibrated bypass conductor current measuring system |
DE1278522B (de) * | 1965-04-22 | 1968-09-26 | Standard Elektrik Lorenz Ag | Gleichstrom-Summier- und Trennverstaerker zur Addition bzw. Subtraktion von Gleichstrom-Messwerten |
DE1243726B (de) * | 1965-06-01 | 1967-07-06 | Siemens Ag | Schaltungsanordnung zur galvanischen Trennung von Gleichstromsignalkreisen unter Verwendung von magnetfeldabhaengigen Widerstaenden |
FR1453011A (fr) * | 1965-11-03 | 1966-04-15 | Pk Bureau Pri Gl Upravlenii El | Transformateur de mesure de courant continu |
DE1616047B1 (de) * | 1967-07-01 | 1970-06-18 | Siemens Ag | Gleichstromwandler mit einer Brueckenschaltung mit vormagnetisierten Feldplatten |
US3493946A (en) * | 1968-02-01 | 1970-02-03 | Burroughs Corp | Traveling domain wall memory system apparatus |
US3573616A (en) * | 1969-03-13 | 1971-04-06 | Ibm | Current measuring system having a feedback path including a combined high gain amplifier and integrator |
US3691497A (en) * | 1970-10-15 | 1972-09-12 | Us Army | Leadless microminiature inductance element with a closed magnetic circuit |
US3812428A (en) * | 1971-03-15 | 1974-05-21 | Licentia Gmbh | Method of and apparatus for the measuring of direct current |
DE2119950C3 (de) * | 1971-04-23 | 1975-06-05 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Funk-Entstördrossel |
GB1335472A (en) * | 1971-08-05 | 1973-10-31 | Standard Telephones Cables Ltd | Magnetic thin film devices |
JPS5074724A (nl) * | 1973-11-08 | 1975-06-19 |
-
1978
- 1978-06-30 GB GB7828453A patent/GB2000873B/en not_active Expired
- 1978-07-05 IT IT25336/78A patent/IT1108702B/it active
- 1978-07-06 FR FR7820184A patent/FR2397052B1/fr not_active Expired
- 1978-07-06 YU YU1631/78A patent/YU40712B/xx unknown
- 1978-07-07 JP JP8215878A patent/JPS5419123A/ja active Granted
- 1978-07-07 NL NLAANVRAGE7807352,A patent/NL173331C/nl not_active IP Right Cessation
- 1978-07-07 SE SE7807651A patent/SE429901B/sv not_active IP Right Cessation
-
1981
- 1981-09-17 US US06/303,076 patent/US4506214A/en not_active Expired - Fee Related
-
1982
- 1982-08-06 US US06/405,859 patent/USRE31613E/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2000873B (en) | 1982-05-26 |
GB2000873A (en) | 1979-01-17 |
FR2397052B1 (fr) | 1986-02-07 |
YU163178A (en) | 1982-06-30 |
SE7807651L (sv) | 1979-01-09 |
SE429901B (sv) | 1983-10-03 |
FR2397052A1 (fr) | 1979-02-02 |
NL173331B (nl) | 1983-08-01 |
JPS5419123A (en) | 1979-02-13 |
IT1108702B (it) | 1985-12-09 |
JPS5757849B2 (nl) | 1982-12-07 |
IT7825336A0 (it) | 1978-07-05 |
USRE31613E (en) | 1984-06-26 |
US4506214A (en) | 1985-03-19 |
NL173331C (nl) | 1984-01-02 |
YU40712B (en) | 1986-04-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |