JPH01206268A - 電流検出装置 - Google Patents
電流検出装置Info
- Publication number
- JPH01206268A JPH01206268A JP63261269A JP26126988A JPH01206268A JP H01206268 A JPH01206268 A JP H01206268A JP 63261269 A JP63261269 A JP 63261269A JP 26126988 A JP26126988 A JP 26126988A JP H01206268 A JPH01206268 A JP H01206268A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- current
- air gap
- magnetic circuit
- measuring
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000035699 permeability Effects 0.000 claims abstract description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000004907 flux Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005355 Hall effect Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000595 mu-metal Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition 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
- G01R15/20—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices, i.e. measuring a magnetic field via the interaction between a current and a magnetic field, e.g. magneto resistive or Hall effect devices
- G01R15/207—Constructional details independent of the type of device used
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Transformers For Measuring Instruments (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH4071/87A CH674088A5 (h) | 1987-10-16 | 1987-10-16 | |
| CH4071/87-9 | 1987-10-16 | ||
| IN692MA1988 IN172442B (h) | 1987-10-16 | 1988-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01206268A true JPH01206268A (ja) | 1989-08-18 |
Family
ID=25694575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63261269A Pending JPH01206268A (ja) | 1987-10-16 | 1988-10-17 | 電流検出装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4947108A (h) |
| JP (1) | JPH01206268A (h) |
| CH (1) | CH674088A5 (h) |
| DE (1) | DE3835101A1 (h) |
| FR (1) | FR2622017B1 (h) |
| GB (1) | GB2211308B (h) |
| IN (1) | IN172442B (h) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5097202A (en) * | 1989-06-05 | 1992-03-17 | Sigma Instruments, Inc. | Faulted current indicators with improved signal to noise ratios |
| US5055771A (en) * | 1989-08-21 | 1991-10-08 | Sigma Instruments, Inc. | Faulted current indicators with improved signal to noise ratios |
| JP2796391B2 (ja) * | 1990-01-08 | 1998-09-10 | 株式会社日立製作所 | 物理量検出方法および物理量検出装置あるいはこれらの方法あるいは装置を利用したサーボモータおよびこのサーボモータを使用したパワーステアリング装置 |
| GB2252419B (en) * | 1991-01-29 | 1995-05-17 | Asahi Kasei Denshi Kk | Electric current detecting apparatus |
| US5343143A (en) * | 1992-02-11 | 1994-08-30 | Landis & Gyr Metering, Inc. | Shielded current sensing device for a watthour meter |
| US5221894A (en) * | 1992-03-02 | 1993-06-22 | Miller Electric Manufacturing Company | Weld current sensor |
| FR2692991B1 (fr) * | 1992-06-26 | 1994-08-19 | Renault | Capteur de courant à compensation magnétique. |
| US5450000A (en) * | 1994-02-14 | 1995-09-12 | Unity Power Corporation | Using hall device for controlling current in a switchmode circuit |
| JPH08273952A (ja) * | 1995-03-31 | 1996-10-18 | Ikuro Moriwaki | 平面電流検出器 |
| US6058354A (en) * | 1997-08-25 | 2000-05-02 | Electrowatt Technology Innovation Ag | Electricity meter to measure electrical physical magnitudes which are parameters or functions of measured voltages and/or currents |
| US6177806B1 (en) | 1997-09-03 | 2001-01-23 | International Business Machines Corp. | Signal sensor for rf integrated systems |
| FR2773617B1 (fr) * | 1998-01-15 | 2000-02-25 | Chauvin Arnoux | Agencement de mesure de courant alternatif ou continu |
| GB9928246D0 (en) * | 1999-11-30 | 2000-01-26 | Honeywell C S Limited | Screened core current sensor |
| DE10003638A1 (de) * | 2000-01-28 | 2001-08-09 | Vacuumschmelze Gmbh | Kompensationsstromsensor |
| DE102005024075B4 (de) * | 2005-05-25 | 2007-04-12 | Lisa Dräxlmaier GmbH | Verfahren und Vorrichtung zur Messung eines in einem elektrischen Leiter fließenden Stroms |
| DE102005040316B4 (de) * | 2005-08-25 | 2007-09-27 | Lisa Dräxlmaier GmbH | Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes |
| DE102006032763B4 (de) * | 2006-07-14 | 2009-05-07 | Lisa Dräxlmaier GmbH | Vorrichtung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stromes |
| DE102007036573A1 (de) * | 2007-08-03 | 2009-02-19 | Epcos Ag | Anordnung und Verfahren zur Messung eines in einem elektrischen Leiter fließenden Stroms |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2134589A (en) * | 1934-10-11 | 1938-10-25 | Siemens Ag | Apparatus for measuring high-frequency alternating currents |
| DE1002459B (de) * | 1953-11-27 | 1957-02-14 | Telefunken Gmbh | Vorrichtung zur Abschirmung magnetischer Felder |
| US2928048A (en) * | 1956-08-27 | 1960-03-08 | Mc Graw Edison Co | Electrical measuring system |
| FR1508358A (fr) * | 1966-11-25 | 1968-01-05 | Compteurs Comp D | Perfectionnements aux transformateurs |
| DE1901793C3 (de) * | 1969-01-15 | 1973-01-11 | Licentia Gmbh | Anordnung zur Abschirmung von Hochfrequenzimpulsen bei Netzfrequenztransformatoren |
| US3885212A (en) * | 1973-04-05 | 1975-05-20 | Halmar Electronics | Sector flux null current measuring apparatus and method |
| US4413230A (en) * | 1978-07-11 | 1983-11-01 | Westinghouse Electric Corp. | Electric energy meter having a mutual inductance current transducer |
| US4656418A (en) * | 1986-01-27 | 1987-04-07 | Snap-On Tools Corporation | Molded clamp-type ammeter probe |
| US4700131A (en) * | 1986-04-07 | 1987-10-13 | Westinghouse Electric Corp. | Mutual inductor current sensor |
-
1987
- 1987-10-16 CH CH4071/87A patent/CH674088A5/fr not_active IP Right Cessation
-
1988
- 1988-10-05 IN IN692MA1988 patent/IN172442B/en unknown
- 1988-10-14 FR FR888813561A patent/FR2622017B1/fr not_active Expired - Lifetime
- 1988-10-14 DE DE3835101A patent/DE3835101A1/de not_active Withdrawn
- 1988-10-14 US US07/258,001 patent/US4947108A/en not_active Expired - Fee Related
- 1988-10-17 JP JP63261269A patent/JPH01206268A/ja active Pending
- 1988-10-17 GB GB8824257A patent/GB2211308B/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2211308B (en) | 1992-01-29 |
| CH674088A5 (h) | 1990-04-30 |
| IN172442B (h) | 1993-08-07 |
| FR2622017B1 (fr) | 1992-05-29 |
| US4947108A (en) | 1990-08-07 |
| GB8824257D0 (en) | 1988-11-23 |
| FR2622017A1 (fr) | 1989-04-21 |
| GB2211308A (en) | 1989-06-28 |
| DE3835101A1 (de) | 1989-05-03 |
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