CN106796125A - Interference determination sensor with differential modulated phase-detection - Google Patents
Interference determination sensor with differential modulated phase-detection Download PDFInfo
- Publication number
- CN106796125A CN106796125A CN201580009312.1A CN201580009312A CN106796125A CN 106796125 A CN106796125 A CN 106796125A CN 201580009312 A CN201580009312 A CN 201580009312A CN 106796125 A CN106796125 A CN 106796125A
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- sensor
- phase shift
- modulator
- phase
- detector
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/266—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light by interferometric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35303—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using a reference fibre, e.g. interferometric devices
-
- 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
- G01R15/241—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-modulating devices using electro-optical modulators, e.g. electro-absorption
-
- 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
- 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
- G01R33/0327—Measuring direction or magnitude of magnetic fields or magnetic flux using magneto-optic devices, e.g. Faraday or Cotton-Mouton effect with application of magnetostriction
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Gyroscopes (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14156092.0 | 2014-02-21 | ||
EP14156092 | 2014-02-21 | ||
PCT/EP2015/053516 WO2015124678A1 (en) | 2014-02-21 | 2015-02-19 | Interferometric sensor with differential modulated phase detection |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106796125A true CN106796125A (en) | 2017-05-31 |
CN106796125B CN106796125B (en) | 2019-06-18 |
Family
ID=50137559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580009312.1A Active CN106796125B (en) | 2014-02-21 | 2015-02-19 | Interference determination sensor with differential modulated phase-detection |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN106796125B (en) |
DE (1) | DE112015000886T5 (en) |
WO (1) | WO2015124678A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2741848T3 (en) * | 2016-09-02 | 2020-02-12 | Abb Schweiz Ag | Interferometric voltage sensor with error compensation |
EP3290870B1 (en) | 2016-09-02 | 2019-03-13 | ABB Schweiz AG | Closed-loop interferometric sensor using loop gain for determining interference contrast |
CN114325030B (en) * | 2021-09-30 | 2024-05-03 | 南京曦光信息科技研究院有限公司 | Double-square-wave modulation open-loop demodulation method based on optical current transformer |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3707329A (en) * | 1970-02-25 | 1972-12-26 | Bbc Brown Boveri & Cie | Apparatus for electronically analyzing modulated light beams |
US5308973A (en) * | 1990-11-22 | 1994-05-03 | Hilti Aktiengesellschaft | Method and device for the measurement of force by a fiber optics system by evaluating phase shift of light waves |
DE19544778A1 (en) * | 1995-11-30 | 1997-06-05 | Siemens Ag | Method and arrangement for measuring a measured variable, in particular an electrical current, with high measurement resolution |
CN101155162A (en) * | 2006-09-28 | 2008-04-02 | 冲电气工业株式会社 | Otdm-dpsk signal generator capable of detecting an optical carrier phase difference between optical pulses |
CN101334427A (en) * | 2008-07-16 | 2008-12-31 | 上海大学 | Reflecting type full-optical fiber current sensor |
CN101568842A (en) * | 2006-12-22 | 2009-10-28 | Abb研究有限公司 | Optical high voltage sensor |
CN101600968A (en) * | 2006-12-22 | 2009-12-09 | Abb研究有限公司 | Optical voltage sensor |
CN102109414A (en) * | 2010-12-15 | 2011-06-29 | 深圳大学 | Method and device for calibrating phase modulation of spatial light modulators by utilizing heterodyne interference |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5402234A (en) * | 1992-08-31 | 1995-03-28 | Zygo Corporation | Method and apparatus for the rapid acquisition of data in coherence scanning interferometry |
-
2015
- 2015-02-19 DE DE112015000886.1T patent/DE112015000886T5/en not_active Withdrawn
- 2015-02-19 WO PCT/EP2015/053516 patent/WO2015124678A1/en active Application Filing
- 2015-02-19 CN CN201580009312.1A patent/CN106796125B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3707329A (en) * | 1970-02-25 | 1972-12-26 | Bbc Brown Boveri & Cie | Apparatus for electronically analyzing modulated light beams |
US5308973A (en) * | 1990-11-22 | 1994-05-03 | Hilti Aktiengesellschaft | Method and device for the measurement of force by a fiber optics system by evaluating phase shift of light waves |
DE19544778A1 (en) * | 1995-11-30 | 1997-06-05 | Siemens Ag | Method and arrangement for measuring a measured variable, in particular an electrical current, with high measurement resolution |
CN101155162A (en) * | 2006-09-28 | 2008-04-02 | 冲电气工业株式会社 | Otdm-dpsk signal generator capable of detecting an optical carrier phase difference between optical pulses |
CN101568842A (en) * | 2006-12-22 | 2009-10-28 | Abb研究有限公司 | Optical high voltage sensor |
CN101600968A (en) * | 2006-12-22 | 2009-12-09 | Abb研究有限公司 | Optical voltage sensor |
CN101334427A (en) * | 2008-07-16 | 2008-12-31 | 上海大学 | Reflecting type full-optical fiber current sensor |
CN102109414A (en) * | 2010-12-15 | 2011-06-29 | 深圳大学 | Method and device for calibrating phase modulation of spatial light modulators by utilizing heterodyne interference |
Also Published As
Publication number | Publication date |
---|---|
WO2015124678A1 (en) | 2015-08-27 |
CN106796125B (en) | 2019-06-18 |
DE112015000886T5 (en) | 2016-11-10 |
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Effective date of registration: 20210702 Address after: Baden, Switzerland Patentee after: ABB grid Switzerland AG Address before: Baden, Switzerland Patentee before: ABB Switzerland Co.,Ltd. |
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CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: Swiss Baden Patentee after: Hitachi energy Switzerland AG Country or region after: Switzerland Address before: Swiss Baden Patentee before: ABB grid Switzerland AG Country or region before: Switzerland |
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Effective date of registration: 20240218 Address after: Zurich, SUI Patentee after: Hitachi Energy Co.,Ltd. Country or region after: Switzerland Address before: Swiss Baden Patentee before: Hitachi energy Switzerland AG Country or region before: Switzerland |