CN114174848B - 降低磁通门电流互感器中的噪声的方法 - Google Patents
降低磁通门电流互感器中的噪声的方法 Download PDFInfo
- Publication number
- CN114174848B CN114174848B CN202080054270.4A CN202080054270A CN114174848B CN 114174848 B CN114174848 B CN 114174848B CN 202080054270 A CN202080054270 A CN 202080054270A CN 114174848 B CN114174848 B CN 114174848B
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- China
- Prior art keywords
- voltage
- umax
- time window
- control circuit
- variable time
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Links
- 238000000034 method Methods 0.000 title claims description 12
- 230000005284 excitation Effects 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 19
- 238000004804 winding Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
- G01R33/0041—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration using feed-back or modulation techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measuring Magnetic Variables (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19189335.3 | 2019-07-31 | ||
EP19189335.3A EP3771915A1 (en) | 2019-07-31 | 2019-07-31 | Method of reducing noise in a fluxgate current transducer |
PCT/EP2020/070436 WO2021018650A1 (en) | 2019-07-31 | 2020-07-20 | Method of reducing noise in a fluxgate current transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114174848A CN114174848A (zh) | 2022-03-11 |
CN114174848B true CN114174848B (zh) | 2023-12-01 |
Family
ID=67539239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202080054270.4A Active CN114174848B (zh) | 2019-07-31 | 2020-07-20 | 降低磁通门电流互感器中的噪声的方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220260613A1 (zh) |
EP (2) | EP3771915A1 (zh) |
JP (1) | JP7289987B2 (zh) |
CN (1) | CN114174848B (zh) |
WO (1) | WO2021018650A1 (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444498A (en) * | 1981-02-27 | 1984-04-24 | Bentley Laboratories | Apparatus and method for measuring blood oxygen saturation |
JPH0694817A (ja) * | 1992-09-10 | 1994-04-08 | Mitsubishi Electric Corp | 自励式磁気センサ |
CN102472779A (zh) * | 2009-08-11 | 2012-05-23 | 机电联合股份有限公司 | 混合模式磁通门电流换能器 |
WO2013007240A1 (de) * | 2011-07-14 | 2013-01-17 | Ean Elektroschaltanlagen Gmbh | Verfahren und vorrichtung zur messung elektrischer ströme mit hilfe eines stromwandlers |
CN104808042A (zh) * | 2015-05-22 | 2015-07-29 | 河北工业大学 | 磁通门电流传感器 |
CN107356888A (zh) * | 2017-07-20 | 2017-11-17 | 吉林大学 | 一种时间差型磁通门传感器及时间差读取方法 |
CN109310422A (zh) * | 2016-04-15 | 2019-02-05 | 伊西康有限责任公司 | 在击发运动期间具有多个程序响应的外科器械 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6218831B1 (en) * | 1999-05-19 | 2001-04-17 | Arthur D. Little, Inc. | Low power fluxgate circuit with current balance |
FR2896593B1 (fr) * | 2006-01-26 | 2008-03-14 | Commissariat Energie Atomique | Magnetometre de type fluxgate a excitation pulsee et detection echantillonnee |
WO2007121373A2 (en) * | 2006-04-13 | 2007-10-25 | Tiax Llc | Sensor system |
DE102008029477A1 (de) * | 2008-06-20 | 2009-12-24 | Vacuumschmelze Gmbh & Co. Kg | Stromsensoranordnung zur Messung von Strömen in einem Primärleiter |
JP2011017618A (ja) * | 2009-07-09 | 2011-01-27 | Tamura Seisakusho Co Ltd | 電流センサ |
JP5948105B2 (ja) * | 2012-03-28 | 2016-07-06 | 株式会社フジクラ | 信号検出回路、及び電子方位計、電流センサ |
DE102012214892A1 (de) * | 2012-08-22 | 2014-02-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetfeldsensor |
DE102014105306A1 (de) * | 2014-04-14 | 2015-10-15 | Vacuumschmelze Gmbh & Co. Kg | Flux-Gate-Stromsensor |
FR3060757B1 (fr) * | 2016-12-19 | 2020-11-06 | Safran Electronics & Defense | Capteur de courant a vanne de flux |
US10461629B2 (en) * | 2018-02-19 | 2019-10-29 | Texas Instruments Incorporated | System and apparatus to provide current compensation |
-
2019
- 2019-07-31 EP EP19189335.3A patent/EP3771915A1/en not_active Withdrawn
-
2020
- 2020-07-20 CN CN202080054270.4A patent/CN114174848B/zh active Active
- 2020-07-20 WO PCT/EP2020/070436 patent/WO2021018650A1/en unknown
- 2020-07-20 JP JP2022506165A patent/JP7289987B2/ja active Active
- 2020-07-20 EP EP20740632.3A patent/EP4004573A1/en active Pending
- 2020-07-20 US US17/630,716 patent/US20220260613A1/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4444498A (en) * | 1981-02-27 | 1984-04-24 | Bentley Laboratories | Apparatus and method for measuring blood oxygen saturation |
JPH0694817A (ja) * | 1992-09-10 | 1994-04-08 | Mitsubishi Electric Corp | 自励式磁気センサ |
CN102472779A (zh) * | 2009-08-11 | 2012-05-23 | 机电联合股份有限公司 | 混合模式磁通门电流换能器 |
WO2013007240A1 (de) * | 2011-07-14 | 2013-01-17 | Ean Elektroschaltanlagen Gmbh | Verfahren und vorrichtung zur messung elektrischer ströme mit hilfe eines stromwandlers |
CN104808042A (zh) * | 2015-05-22 | 2015-07-29 | 河北工业大学 | 磁通门电流传感器 |
CN109310422A (zh) * | 2016-04-15 | 2019-02-05 | 伊西康有限责任公司 | 在击发运动期间具有多个程序响应的外科器械 |
CN107356888A (zh) * | 2017-07-20 | 2017-11-17 | 吉林大学 | 一种时间差型磁通门传感器及时间差读取方法 |
Non-Patent Citations (1)
Title |
---|
巨磁阻抗(GMI)效应在电流传感器领域的研究;宁樑 等;《电测与仪表》;第47卷(第07期);16-20 * |
Also Published As
Publication number | Publication date |
---|---|
EP4004573A1 (en) | 2022-06-01 |
JP7289987B2 (ja) | 2023-06-12 |
WO2021018650A1 (en) | 2021-02-04 |
JP2022542969A (ja) | 2022-10-07 |
US20220260613A1 (en) | 2022-08-18 |
CN114174848A (zh) | 2022-03-11 |
EP3771915A1 (en) | 2021-02-03 |
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CP02 | Change in the address of a patent holder |
Address after: Swiss Mei Lan Patentee after: Lyme International Co.,Ltd. Address before: Swiss rice Waters Patentee before: Lyme International Co.,Ltd. |
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CP02 | Change in the address of a patent holder | ||
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Effective date of registration: 20240612 Address after: 28 Linhe street, Linhe Industrial District, Shunyi District, Beijing Patentee after: Lyme Electronics (China) Co.,Ltd. Country or region after: China Address before: Swiss Mei Lan Patentee before: Lyme International Co.,Ltd. Country or region before: Switzerland |
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