IN2014DN06730A - - Google Patents
Info
- Publication number
- IN2014DN06730A IN2014DN06730A IN6730DEN2014A IN2014DN06730A IN 2014DN06730 A IN2014DN06730 A IN 2014DN06730A IN 6730DEN2014 A IN6730DEN2014 A IN 6730DEN2014A IN 2014DN06730 A IN2014DN06730 A IN 2014DN06730A
- Authority
- IN
- India
- Prior art keywords
- light
- current
- carrier signals
- optical element
- magnetic optical
- Prior art date
Links
Classifications
-
- 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
- G01R33/032—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- 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
- G01R15/24—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices
- G01R15/245—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using magneto-optical modulators, e.g. based on the Faraday or Cotton-Mouton effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0009—Devices or circuits for detecting current in a converter
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/054426 WO2013125011A1 (ja) | 2012-02-23 | 2012-02-23 | 電流センサ及び電力変換器 |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2014DN06730A true IN2014DN06730A (de) | 2015-05-22 |
Family
ID=49005231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN6730DEN2014 IN2014DN06730A (de) | 2012-02-23 | 2012-02-23 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150015248A1 (de) |
KR (1) | KR20140117558A (de) |
CN (1) | CN104136927A (de) |
DE (1) | DE112012005929T5 (de) |
IN (1) | IN2014DN06730A (de) |
RU (1) | RU2014134445A (de) |
WO (1) | WO2013125011A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013125011A1 (ja) * | 2012-02-23 | 2013-08-29 | トヨタ自動車株式会社 | 電流センサ及び電力変換器 |
DE102015006449B4 (de) | 2015-05-18 | 2022-10-13 | Michael Franke | Verfahren zur Messung elektrischer Ströme |
JP6439771B2 (ja) * | 2016-10-19 | 2018-12-19 | トヨタ自動車株式会社 | 駆動装置および自動車 |
DE112019000344T5 (de) * | 2018-02-15 | 2020-09-17 | Hitachi Automotive Systems, Ltd. | Leistungswandlungseinrichtung |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52119367A (en) * | 1976-03-31 | 1977-10-06 | Ono Yutaka | Method and apparatus for detecting voltage using phototransformer |
US4683421A (en) * | 1985-03-29 | 1987-07-28 | Westinghouse Electric Corp. | Drift compensation technique for a magneto-optic current sensor |
GB2190754A (en) * | 1986-04-11 | 1987-11-25 | Hitachi Ltd | Load current detecting device for pulse width modulation inverter |
JPH0797907B2 (ja) * | 1986-09-22 | 1995-10-18 | 株式会社日立製作所 | Pwmインバータの電流制御装置 |
US4698497A (en) * | 1986-05-22 | 1987-10-06 | Westinghouse Electric Corp. | Direct current magneto-optic current transformer |
US4694243A (en) * | 1986-05-28 | 1987-09-15 | Westinghouse Electric Corp. | Optical measurement using polarized and unpolarized light |
US5243293A (en) * | 1989-05-29 | 1993-09-07 | Ngk Insulators, Ltd. | System utilizing optical current sensors for detecting fault location in substation |
JPH06224727A (ja) * | 1993-01-27 | 1994-08-12 | Mazda Motor Corp | 電力制御信号検出装置 |
US5631559A (en) * | 1993-03-05 | 1997-05-20 | Northeastern University | Method and apparatus for performing magnetic field measurements using magneto-optic kerr effect sensors |
JP2818302B2 (ja) * | 1993-10-01 | 1998-10-30 | シーメンス アクチエンゲゼルシヤフト | 温度補償付きの電気交流量の測定方法および装置 |
DE4446425A1 (de) * | 1994-12-23 | 1996-06-27 | Siemens Ag | Verfahren und Anordnung zum Messen eines Magnetfeldes unter Ausnutzung des Faraday-Effekts mit Kompensation von Intensitätsänderungen und Temperatureinflüssen |
CA2255762C (en) * | 1996-05-31 | 2002-06-25 | Rensselaer Polytechnic Institute | Electro-optical and magneto-optical sensing apparatus and method for characterizing free-space electromagnetic radiation |
US5973492A (en) * | 1997-04-16 | 1999-10-26 | Ma; Xianyun | High accuracy optical current transducer thta eliminates birefringence |
JP3290618B2 (ja) * | 1997-11-28 | 2002-06-10 | 松下電器産業株式会社 | 光センサ装置およびそれに用いられる信号処理回路 |
WO2000007032A2 (de) * | 1998-07-29 | 2000-02-10 | Siemens Aktiengesellschaft | Polarimetrischer sensor zur optischen erfassung einer messgrösse sowie verwendung des polarimetrischen sensors |
US6542647B2 (en) * | 2000-10-27 | 2003-04-01 | Matsushita Electric Industrial Co., Ltd. | Optical signal transmission system and magneto-optical modulator designed to establish modulation over wide range for use in the same |
US6476956B1 (en) * | 2001-02-28 | 2002-11-05 | Teracomm Research, Inc. | Fast optical modulator |
US6756781B2 (en) * | 2001-11-15 | 2004-06-29 | Airak, Inc. | Sensor for optically measuring magnetic fields |
JP4585740B2 (ja) * | 2002-09-13 | 2010-11-24 | 株式会社日立グローバルストレージテクノロジーズ | 磁気記録再生装置 |
EP1491903A1 (de) * | 2003-05-12 | 2004-12-29 | Kasmatic Innovation A/S | Faseroptisches Faraday-Effekt-Sensor |
JP4568133B2 (ja) * | 2004-03-30 | 2010-10-27 | 三洋電機株式会社 | 半導体レーザ装置および光装置 |
EP1884787A1 (de) * | 2006-07-10 | 2008-02-06 | S. THIIM ApS | Ein Stromsensor zum Messen des Stromes in einem Leiter umfassendes Kurzschlussanzeigesystem |
CN101675344A (zh) * | 2006-11-30 | 2010-03-17 | 北方传感器公司 | 法拉第效应电流传感器 |
US8202053B2 (en) * | 2008-03-19 | 2012-06-19 | General Electric Company | Micro-electromechanical current sensing apparatus |
EP2128631A1 (de) * | 2008-05-30 | 2009-12-02 | PowerSense A/S | Optische Faraday-Stromsensoranordnung |
EP2148210A1 (de) * | 2008-07-21 | 2010-01-27 | PowerSense A/S | Dreiphasige optische Faraday-Stromsensoranordnung |
CN101762795B (zh) * | 2009-12-31 | 2013-01-23 | 上海舜宇海逸光电技术有限公司 | 光纤磁光探测系统和方法 |
WO2013125011A1 (ja) * | 2012-02-23 | 2013-08-29 | トヨタ自動車株式会社 | 電流センサ及び電力変換器 |
-
2012
- 2012-02-23 WO PCT/JP2012/054426 patent/WO2013125011A1/ja active Application Filing
- 2012-02-23 CN CN201280070326.0A patent/CN104136927A/zh active Pending
- 2012-02-23 US US14/377,823 patent/US20150015248A1/en not_active Abandoned
- 2012-02-23 IN IN6730DEN2014 patent/IN2014DN06730A/en unknown
- 2012-02-23 DE DE112012005929.8T patent/DE112012005929T5/de not_active Withdrawn
- 2012-02-23 RU RU2014134445A patent/RU2014134445A/ru not_active Application Discontinuation
- 2012-02-23 KR KR1020147022954A patent/KR20140117558A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
RU2014134445A (ru) | 2016-04-10 |
US20150015248A1 (en) | 2015-01-15 |
WO2013125011A1 (ja) | 2013-08-29 |
DE112012005929T5 (de) | 2014-12-24 |
CN104136927A (zh) | 2014-11-05 |
KR20140117558A (ko) | 2014-10-07 |
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