CN100437124C - 用于测量电流的检测器电路 - Google Patents
用于测量电流的检测器电路 Download PDFInfo
- Publication number
- CN100437124C CN100437124C CNB200480034014XA CN200480034014A CN100437124C CN 100437124 C CN100437124 C CN 100437124C CN B200480034014X A CNB200480034014X A CN B200480034014XA CN 200480034014 A CN200480034014 A CN 200480034014A CN 100437124 C CN100437124 C CN 100437124C
- Authority
- CN
- China
- Prior art keywords
- ring
- shaped core
- detector circuit
- signal
- current
- 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.)
- Expired - Fee Related
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Images
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
-
- 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
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)
- Transformers For Measuring Instruments (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA200301752 | 2003-11-27 | ||
DK200301752A DK176607B1 (da) | 2003-11-27 | 2003-11-27 | Detektorkredslöb til brug ved strömmåling |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1882842A CN1882842A (zh) | 2006-12-20 |
CN100437124C true CN100437124C (zh) | 2008-11-26 |
Family
ID=34626324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB200480034014XA Expired - Fee Related CN100437124C (zh) | 2003-11-27 | 2004-11-26 | 用于测量电流的检测器电路 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7388363B2 (zh) |
EP (1) | EP1687645B1 (zh) |
CN (1) | CN100437124C (zh) |
AT (1) | ATE357667T1 (zh) |
DE (1) | DE602004005491T2 (zh) |
DK (1) | DK176607B1 (zh) |
WO (1) | WO2005052605A1 (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4842275B2 (ja) | 2004-11-05 | 2011-12-21 | リエゾン エレクトロニク・メカニク レム ソシエテ アノニム | 電流測定のための検出回路 |
DE102005045537B3 (de) | 2005-09-23 | 2006-12-28 | Deutsches Elektronen-Synchrotron Desy | Einrichtung zur Bestimmung der Stärke des Magnetfeldes eines Elektromagneten |
JP2011017618A (ja) * | 2009-07-09 | 2011-01-27 | Tamura Seisakusho Co Ltd | 電流センサ |
DE102011110648A1 (de) | 2011-08-18 | 2013-02-21 | Universität Stuttgart | Strommessgerät |
WO2013023643A1 (de) | 2011-08-18 | 2013-02-21 | Universität Stuttgart | Strommessgerät |
US8829901B2 (en) * | 2011-11-04 | 2014-09-09 | Honeywell International Inc. | Method of using a magnetoresistive sensor in second harmonic detection mode for sensing weak magnetic fields |
KR101329240B1 (ko) * | 2012-10-31 | 2013-11-20 | 이상철 | 플럭스 게이트 방식의 비접촉 전류 계측기 |
CN103424596A (zh) * | 2013-05-11 | 2013-12-04 | 国家电网公司 | 无源交流微电流采集放大装置 |
CN105807117B (zh) * | 2014-12-29 | 2020-01-31 | 苏州普源精电科技有限公司 | 用于电流测量探头的电流感测电路及其电流测量探头 |
US9618541B1 (en) * | 2016-04-20 | 2017-04-11 | Neilsen-Kuljian, Inc. | Apparatus, method and device for sensing DC currents |
CN108362925B (zh) * | 2018-02-22 | 2020-03-17 | 西安交通大学 | 双“8”字形三导线磁场对消的零磁通大电流检测系统及方法 |
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 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK437387A (da) * | 1986-08-22 | 1988-02-23 | Holec Syst & Componenten | Maalekredsloeb |
US4912396A (en) * | 1987-10-15 | 1990-03-27 | Holec Systemen En Componenten B. V. | Circuit for the detection of an asymmetry in the magnetization current of a magnetic modulator |
CN2088257U (zh) * | 1991-01-07 | 1991-11-06 | 鞍山钢铁公司 | 有补偿装置的交流电压源式电流检测装置 |
CN1064153A (zh) * | 1991-02-15 | 1992-09-02 | 机电结合股份有限公司 | 电流测量装置 |
JP2003315374A (ja) * | 2002-04-18 | 2003-11-06 | Mitsubishi Electric Corp | 直流漏電検出装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4536706A (en) | 1982-07-16 | 1985-08-20 | At&T Bell Laboratories | Magnetic current sensor |
US4952853A (en) * | 1988-08-24 | 1990-08-28 | General Electric Company | Method and apparatus for sensing direct current of one polarity in a conductor and electronically commutated motor control responsive to sensed motor current |
-
2003
- 2003-11-27 DK DK200301752A patent/DK176607B1/da not_active IP Right Cessation
-
2004
- 2004-11-26 WO PCT/DK2004/000820 patent/WO2005052605A1/en active IP Right Grant
- 2004-11-26 CN CNB200480034014XA patent/CN100437124C/zh not_active Expired - Fee Related
- 2004-11-26 DE DE602004005491T patent/DE602004005491T2/de active Active
- 2004-11-26 US US10/579,967 patent/US7388363B2/en not_active Expired - Fee Related
- 2004-11-26 AT AT04797481T patent/ATE357667T1/de not_active IP Right Cessation
- 2004-11-26 EP EP04797481A patent/EP1687645B1/en not_active Not-in-force
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK437387A (da) * | 1986-08-22 | 1988-02-23 | Holec Syst & Componenten | Maalekredsloeb |
US4912396A (en) * | 1987-10-15 | 1990-03-27 | Holec Systemen En Componenten B. V. | Circuit for the detection of an asymmetry in the magnetization current of a magnetic modulator |
CN2088257U (zh) * | 1991-01-07 | 1991-11-06 | 鞍山钢铁公司 | 有补偿装置的交流电压源式电流检测装置 |
CN1064153A (zh) * | 1991-02-15 | 1992-09-02 | 机电结合股份有限公司 | 电流测量装置 |
JP2003315374A (ja) * | 2002-04-18 | 2003-11-06 | Mitsubishi Electric Corp | 直流漏電検出装置 |
Also Published As
Publication number | Publication date |
---|---|
DK200301752A (da) | 2005-05-28 |
DE602004005491D1 (de) | 2007-05-03 |
WO2005052605A1 (en) | 2005-06-09 |
EP1687645B1 (en) | 2007-03-21 |
EP1687645A1 (en) | 2006-08-09 |
US20070145968A1 (en) | 2007-06-28 |
DE602004005491T2 (de) | 2007-11-29 |
DK176607B1 (da) | 2008-11-10 |
US7388363B2 (en) | 2008-06-17 |
CN1882842A (zh) | 2006-12-20 |
ATE357667T1 (de) | 2007-04-15 |
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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 | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081219 Address after: Denmark in spirit Patentee after: Danfysik ACP AS Address before: Denmark in spirit Patentee before: Danfysik AS |
|
ASS | Succession or assignment of patent right |
Owner name: LUBRIPLATE ACP CO.,LTD. Free format text: FORMER OWNER: LUBRIPLATE CO.,LTD. Effective date: 20081219 |
|
ASS | Succession or assignment of patent right |
Owner name: LIAISONS ELECTROMECHANIC S. A. Free format text: FORMER OWNER: DAN FISK ACP C., LTD. Effective date: 20100819 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: JYLLINGE, DANMARK TO: PRAN-RICE-OUTES, SWITZERLAND |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100819 Address after: The Swiss - Les outesi Patentee after: Liaisons Electromechanic S. A. Address before: Denmark in spirit Patentee before: Danfysik ACP AS |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20111126 |