NL8702471A - Schakeling voor het detecteren van een asymmetrie in de magnetiseringsstroom van een magnetische modulator. - Google Patents
Schakeling voor het detecteren van een asymmetrie in de magnetiseringsstroom van een magnetische modulator. Download PDFInfo
- Publication number
- NL8702471A NL8702471A NL8702471A NL8702471A NL8702471A NL 8702471 A NL8702471 A NL 8702471A NL 8702471 A NL8702471 A NL 8702471A NL 8702471 A NL8702471 A NL 8702471A NL 8702471 A NL8702471 A NL 8702471A
- Authority
- NL
- Netherlands
- Prior art keywords
- peak value
- circuit
- current
- diode
- output
- Prior art date
Links
- 230000005415 magnetization Effects 0.000 title claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 230000006698 induction Effects 0.000 claims abstract description 8
- 239000004065 semiconductor Substances 0.000 claims description 26
- 239000003990 capacitor Substances 0.000 claims description 25
- 230000009471 action Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000004907 flux Effects 0.000 description 24
- 230000008859 change Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009467 reduction Effects 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Digital Magnetic Recording (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8702471A NL8702471A (nl) | 1987-10-15 | 1987-10-15 | Schakeling voor het detecteren van een asymmetrie in de magnetiseringsstroom van een magnetische modulator. |
EP88202309A EP0314234B1 (en) | 1987-10-15 | 1988-10-14 | Circuit for the detection of an asymmetry in the magnetization current of a magnetic modulator |
DE88202309T DE3884554T2 (de) | 1987-10-15 | 1988-10-14 | Schaltung zum Nachweis der Magnetisierungsstromasymmetrie eines magnetischen Modulators. |
AT88202309T ATE95314T1 (de) | 1987-10-15 | 1988-10-14 | Schaltung zum nachweis der magnetisierungsstromasymmetrie eines magnetischen modulators. |
US07/258,500 US4912396A (en) | 1987-10-15 | 1988-10-17 | Circuit for the detection of an asymmetry in the magnetization current of a magnetic modulator |
DK577588A DK168719B1 (da) | 1987-10-15 | 1988-10-17 | Kredsløb til detektering af asymmetri i magnetiseringsstrømmen i en magnetisk modulator samt anvendelse af dette kredsløb i et målekredsløb |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8702471 | 1987-10-15 | ||
NL8702471A NL8702471A (nl) | 1987-10-15 | 1987-10-15 | Schakeling voor het detecteren van een asymmetrie in de magnetiseringsstroom van een magnetische modulator. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8702471A true NL8702471A (nl) | 1989-05-01 |
Family
ID=19850778
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8702471A NL8702471A (nl) | 1987-10-15 | 1987-10-15 | Schakeling voor het detecteren van een asymmetrie in de magnetiseringsstroom van een magnetische modulator. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4912396A (da) |
EP (1) | EP0314234B1 (da) |
AT (1) | ATE95314T1 (da) |
DE (1) | DE3884554T2 (da) |
DK (1) | DK168719B1 (da) |
NL (1) | NL8702471A (da) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI90142C (fi) * | 1992-04-02 | 1993-12-27 | Abb Stroemberg Drives Oy | Enligt kompensationsprincip fungerande maetomvandlare foer stroem |
US5453681A (en) * | 1993-07-06 | 1995-09-26 | General Electric Company | Current sensor employing a mutually inductive current sensing scheme |
US5459395A (en) * | 1993-07-06 | 1995-10-17 | General Electric Company | Reduced flux current sensor |
US5438257A (en) * | 1993-09-09 | 1995-08-01 | General Electric Company | Reduced magnetic flux current sensor |
US5463313A (en) * | 1993-09-09 | 1995-10-31 | General Electric Company | Reduced magnetic field line integral current sensor |
US5629616A (en) * | 1995-07-13 | 1997-05-13 | Performance Conrols, Inc. | Circuit for measuring current in class-d amplifiers |
US6114847A (en) * | 1995-10-04 | 2000-09-05 | Johnson; Darrell | Connectionless signal detection device for conductive cables |
DE19618114A1 (de) * | 1996-05-06 | 1997-11-13 | Vacuumschmelze Gmbh | Stromkompensierter Stromsensor |
JP2000509504A (ja) * | 1996-05-06 | 2000-07-25 | バクームシユメルツエ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | 特に小電流用の電流センサ |
US5793196A (en) * | 1996-07-03 | 1998-08-11 | Sundstrand Corporation | Current transformer for measuring differential-mode and common-mode current |
US5959433A (en) * | 1997-08-22 | 1999-09-28 | Centurion Intl., Inc. | Universal inductive battery charger system |
US6392401B1 (en) * | 1998-06-05 | 2002-05-21 | Chathan M. Cooke | Closely-coupled multiple-winding magnetic induction-type sensor |
US6320370B1 (en) * | 1998-11-30 | 2001-11-20 | Mts Systems Corporation | Circuit with improved dynamic response for measuring current in pulse width modulated amplifiers |
US6534967B1 (en) | 2000-09-25 | 2003-03-18 | Mts Systems Corporation | Dual totem current sensor for measuring load current in an H-bridge power stage |
DE10148815A1 (de) * | 2001-10-02 | 2003-04-10 | Abb Patent Gmbh | Verfahren und Einrichtung zur Stromwertermittlung unter Einsatz eines Stromwandlers, welcher im Bereich der Kernsättigung arbeitet |
JP4332623B2 (ja) * | 2003-02-26 | 2009-09-16 | テクトロニクス・インコーポレイテッド | 電流プローブ |
US6954060B1 (en) | 2003-03-28 | 2005-10-11 | Edel Thomas G | a-c current transformer functional with a d-c current component present |
DK176607B1 (da) | 2003-11-27 | 2008-11-10 | Danfysik As | Detektorkredslöb til brug ved strömmåling |
WO2006048020A1 (en) | 2004-11-05 | 2006-05-11 | Danfysik A/S | Detector circuit for measuring current |
DK200500029A (da) * | 2005-01-07 | 2006-07-08 | Danfysik As | Detektorkredslöb til brug ved strömmåling |
CN105866505B (zh) * | 2016-03-24 | 2018-06-19 | 中国科学院上海应用物理研究所 | 一种交直流电流传感器的磁芯选择方法 |
CN108732404B (zh) * | 2017-04-24 | 2020-10-20 | 航天科工深圳(集团)有限公司 | 一种电流传感器及其多磁通平衡控制电路 |
CN108732403B (zh) * | 2017-04-24 | 2020-10-20 | 航天科工深圳(集团)有限公司 | 一种电流传感器及其磁通平衡电路 |
US10571538B2 (en) * | 2018-06-01 | 2020-02-25 | General Electric Company | Diagnostic device and method for diagnosing a faulty condition in a gradient amplifier system |
CN110676038A (zh) * | 2018-07-02 | 2020-01-10 | 福迪威(上海)工业仪器技术研发有限公司 | 电流互感器 |
EP3812785A1 (en) * | 2019-10-22 | 2021-04-28 | LEM International SA | Fluxgate current transducer |
CN113075605B (zh) * | 2021-03-30 | 2023-10-27 | 中国科学院上海高等研究院 | 一种磁调制dcct的零点偏差校准方法 |
CN113341201B (zh) * | 2021-06-08 | 2022-08-09 | 合肥博微田村电气有限公司 | 一种磁通门电流传感器及电流测量方法 |
CN113866477B (zh) * | 2021-08-30 | 2022-07-05 | 中国人民解放军海军工程大学 | 四磁芯六线圈磁调制高精度超大孔径电流检测方法及系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2633071C3 (de) * | 1976-07-22 | 1980-10-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Regelanordnung für einen Wechselstromsteller |
US4255705A (en) * | 1979-09-24 | 1981-03-10 | General Electric Company | Peak detection and electronic compensation of D. C. saturation magnetization in current transformers used in watt hour meter installations |
DE3480232D1 (en) * | 1983-07-20 | 1989-11-23 | Transformatoren & Roentgenwerk | Device for measuring direct currents |
DE3708892C2 (de) * | 1987-03-19 | 1994-03-03 | Heidelberger Druckmasch Ag | Strommeßeinrichtung, insbesondere zur Bestimmung des Motorstroms eines Gleichstrommotors |
-
1987
- 1987-10-15 NL NL8702471A patent/NL8702471A/nl not_active Application Discontinuation
-
1988
- 1988-10-14 DE DE88202309T patent/DE3884554T2/de not_active Expired - Fee Related
- 1988-10-14 AT AT88202309T patent/ATE95314T1/de not_active IP Right Cessation
- 1988-10-14 EP EP88202309A patent/EP0314234B1/en not_active Expired - Lifetime
- 1988-10-17 US US07/258,500 patent/US4912396A/en not_active Expired - Fee Related
- 1988-10-17 DK DK577588A patent/DK168719B1/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE95314T1 (de) | 1993-10-15 |
EP0314234B1 (en) | 1993-09-29 |
EP0314234A1 (en) | 1989-05-03 |
DK577588D0 (da) | 1988-10-17 |
DE3884554D1 (de) | 1993-11-04 |
DE3884554T2 (de) | 1994-02-03 |
DK577588A (da) | 1989-04-16 |
US4912396A (en) | 1990-03-27 |
DK168719B1 (da) | 1994-05-24 |
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A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |