CN101163974A - 具有磁性螺环的电流传感器 - Google Patents
具有磁性螺环的电流传感器 Download PDFInfo
- Publication number
- CN101163974A CN101163974A CNA2006800136842A CN200680013684A CN101163974A CN 101163974 A CN101163974 A CN 101163974A CN A2006800136842 A CNA2006800136842 A CN A2006800136842A CN 200680013684 A CN200680013684 A CN 200680013684A CN 101163974 A CN101163974 A CN 101163974A
- Authority
- CN
- China
- Prior art keywords
- current
- windings
- electric current
- signal
- primary source
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/066,788 US7145321B2 (en) | 2005-02-25 | 2005-02-25 | Current sensor with magnetic toroid |
US11/066,788 | 2005-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101163974A true CN101163974A (zh) | 2008-04-16 |
Family
ID=36593135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2006800136842A Pending CN101163974A (zh) | 2005-02-25 | 2006-02-21 | 具有磁性螺环的电流传感器 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7145321B2 (zh) |
EP (1) | EP1851557A1 (zh) |
JP (1) | JP2008532012A (zh) |
CN (1) | CN101163974A (zh) |
WO (1) | WO2006093724A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7509748B2 (en) * | 2006-09-01 | 2009-03-31 | Seagate Technology Llc | Magnetic MEMS sensors |
FR2919068B1 (fr) | 2007-07-19 | 2009-09-18 | Airbus France Sa | Capteur de courant perfectionne |
RU2557368C2 (ru) * | 2011-03-18 | 2015-07-20 | Абб Рисерч Лтд | Способ и устройство для линеаризации трансформатора |
JP2013148439A (ja) * | 2012-01-19 | 2013-08-01 | Hirose Electric Co Ltd | 電流センサ |
DE102012009243B3 (de) * | 2012-05-09 | 2013-09-19 | Digalog Gmbh | Anordnung und Verfahren zur berührungslosen Strommessung |
CN103969488B (zh) * | 2013-01-31 | 2017-09-29 | 西门子公司 | 电流互感器及其电流检测电路 |
US9618541B1 (en) * | 2016-04-20 | 2017-04-11 | Neilsen-Kuljian, Inc. | Apparatus, method and device for sensing DC currents |
Family Cites Families (36)
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US2137878A (en) * | 1936-10-07 | 1938-11-22 | Gen Electric | Direct-current measuring means |
US2153378A (en) * | 1937-04-16 | 1939-04-04 | Gen Electric | Current responsive arrangement |
US3461387A (en) | 1965-04-20 | 1969-08-12 | Electro Mechanics Co The | Magnetic field detector using a variable inductance rod |
US3422352A (en) * | 1965-09-14 | 1969-01-14 | Nasa | Apparatus for measuring current flow |
US3500171A (en) * | 1967-01-06 | 1970-03-10 | Canadian Patents Dev | Self-balancing current comparator for precise voltage levels and potentiometer usage |
US3534247A (en) * | 1968-05-15 | 1970-10-13 | Canadian Patents Dev | Current transformer with internal error compensation |
US3768011A (en) * | 1970-06-09 | 1973-10-23 | W Swain | Means for measuring magnitude and direction of a direct current or permanent magnet, including clip-on direct current sensing inductor |
US3815013A (en) * | 1972-06-14 | 1974-06-04 | Gen Electric | Current transformer with active load termination |
US4032836A (en) * | 1975-11-28 | 1977-06-28 | The Gillette Company | Transformer circuit |
DE2920484A1 (de) * | 1979-05-21 | 1980-12-04 | Bosch Gmbh Robert | Messeinrichtung mit magnetischem kreis zum messen eines gleichstroms |
GB2075786B (en) * | 1980-03-21 | 1984-07-11 | Electrotech Instr Ltd | Switch mode converters |
US4482862A (en) * | 1982-06-10 | 1984-11-13 | The Charles Stark Draper Laboratory, Inc. | Current sensor |
US4529931A (en) * | 1983-04-07 | 1985-07-16 | Ford Motor Company | Single-coil current measuring circuit |
GB8309559D0 (en) * | 1983-04-08 | 1983-05-11 | Ass Elect Ind | Dc current transformer circuits |
US4851775A (en) | 1987-07-02 | 1989-07-25 | Precision Navigation, Incorporated | Digital compass and magnetometer having a sensor coil wound on a high permeability isotropic core |
US5223789A (en) * | 1989-06-23 | 1993-06-29 | Fuji Electric Co., Ltd. | AC/DC current detecting method |
JPH03218475A (ja) * | 1989-11-06 | 1991-09-26 | Nkk Corp | 電流計測方法及びその装置 |
US5196784A (en) * | 1991-03-18 | 1993-03-23 | Hughes Aircraft Company | Isolated current monitoring circuit for measuring direct and high duty factor currents |
US5307008A (en) * | 1991-11-04 | 1994-04-26 | National Research Council Of Canada | Current ratio device and toroidal core assembly therefor |
US5239264A (en) | 1991-11-14 | 1993-08-24 | Precision Navigation, Inc. | Zero-offset magnetometer having coil and core sensor controlling period of an oscillator circuit |
US5602464A (en) * | 1995-07-24 | 1997-02-11 | Martin Marietta Corp. | Bidirectional power converter modules, and power system using paralleled modules |
JP3091398B2 (ja) | 1995-09-14 | 2000-09-25 | 科学技術振興事業団 | 磁気−インピーダンス素子及びその製造方法 |
JP3126642B2 (ja) | 1995-11-09 | 2001-01-22 | 科学技術振興事業団 | 磁界センサ |
JP3091413B2 (ja) | 1996-06-11 | 2000-09-25 | 科学技術振興事業団 | 磁気センサ |
US6069475A (en) | 1996-09-17 | 2000-05-30 | Tokin Corporation | Magnetic sensor utilizing impedance variation of a soft magnetic element in dependence upon a magnetic field strength and a method of manufacturing the same |
US6084406A (en) | 1997-04-01 | 2000-07-04 | Precision Navigation, Inc. | Half-cycle saturable-core magnetometer circuit |
WO1999002997A2 (en) * | 1997-07-08 | 1999-01-21 | Koninklijke Philips Electronics N.V. | Dc and ac current sensor with discontinuous sampling |
US6472868B1 (en) | 1998-08-05 | 2002-10-29 | Minebea Co., Ltd. | Magnetic impedance element having at least two thin film-magnetic cores |
US6512370B1 (en) | 1999-02-12 | 2003-01-28 | Elf Engineering, Ltd. | Low power, frequency-mode magnetometer |
US6522517B1 (en) * | 1999-02-25 | 2003-02-18 | Thomas G. Edel | Method and apparatus for controlling the magnetization of current transformers and other magnetic bodies |
JP2001281308A (ja) | 2000-03-29 | 2001-10-10 | Sony Precision Technology Inc | 磁気センサ及び位置検出装置 |
GB0102602D0 (en) | 2001-02-01 | 2001-03-21 | Plymouth Entpr Partnerships Lt | Magnetic field detector and a current monitoring device including such a detector |
US7054895B2 (en) | 2001-06-21 | 2006-05-30 | Ligos Corporation | System and method for parallel computing multiple packed-sum absolute differences (PSAD) in response to a single instruction |
JP4695325B2 (ja) | 2001-09-17 | 2011-06-08 | キヤノン電子株式会社 | 磁気検出素子とその製造方法及び該素子を用いた携帯機器 |
US6853186B2 (en) | 2002-01-15 | 2005-02-08 | National University Of Singapore | Variable permeability magnetic field sensor and method |
US7224161B2 (en) | 2002-02-19 | 2007-05-29 | Aichi Steel Corporation | Magnet with electromagnetic coil/impedance/sensor element |
-
2005
- 2005-02-25 US US11/066,788 patent/US7145321B2/en not_active Expired - Fee Related
-
2006
- 2006-02-21 EP EP06735663A patent/EP1851557A1/en not_active Withdrawn
- 2006-02-21 WO PCT/US2006/006100 patent/WO2006093724A1/en active Application Filing
- 2006-02-21 JP JP2007557102A patent/JP2008532012A/ja not_active Withdrawn
- 2006-02-21 CN CNA2006800136842A patent/CN101163974A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US7145321B2 (en) | 2006-12-05 |
JP2008532012A (ja) | 2008-08-14 |
WO2006093724A1 (en) | 2006-09-08 |
US20060192548A1 (en) | 2006-08-31 |
EP1851557A1 (en) | 2007-11-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CI01 | Correction of invention patent gazette |
Correction item: Denomination of Invention Correct: Current sensor with magnetic screw ring False: Current sensor with magnetic screw ring Number: 16 Page: 714 Volume: 24 |
|
CI02 | Correction of invention patent application |
Correction item: Denomination of Invention Correct: Current sensor with magnetic screw ring False: Current sensor with magnetic screw ring Number: 16 Page: The title page Volume: 24 |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTION NAME; FROM: ELECTRIC CURRENT TRANSDUCER WITH MAGNETIC LOOP COIL TO: ELECTRIC CURRENT TRANSDUCER HAVING MAGNETIC SPIRAL RING |
|
ERR | Gazette correction |
Free format text: CORRECT: INVENTION NAME; FROM: ELECTRIC CURRENT TRANSDUCER WITH MAGNETIC LOOP COIL TO: ELECTRIC CURRENT TRANSDUCER HAVING MAGNETIC SPIRAL RING |
|
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080416 |