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FOCS – Fiber-Optic Current Sensor Make light work of DC ...

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FOCS – Fiber-Optic Current Sensor Make light work of DC ...

Make light work of DC current measurement. ABB FOCS – Fiber-Optic Current Sensors FOCS – Fiber-Optic Current Sensor ... optical technology brings radical benefits. The result is exceptional accuracy and reliability. Based on the magneto-

http://www05.abb.com/global/scot/scot232.nsf/veritydisplay/74d5555d2a9c2998c12579a00038ff0a/$file/FOCS_brochure_3BHS362996_E01.pdf

Date added: March 31, 2012 - Views: 23

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Interfacing Optical Current Sensors in a Substation

Interfacing Optical Current Sensors in a Substation J. D. P. Hrabliuk, B. Sc. E.E., P. Eng., ... Current measurement, current transformers, digital communication, ... V. FIBER OPTIC CURRENT SENSOR TECHNOLOGY The fiber optic current sensor is the core of an optical current

http://www.enetsystems.com/~lorenzo/pmeter/Interfacing_Optical_Current.pdf

Date added: March 26, 2012 - Views: 23

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A revolution in high dc current measurement - ABB Download Center

in high dc current measurement ABB’s new fiber-optic current sensor (FOCS) for the electro-winning industry Klaus Bohnert ... Using optical fiber technology, ABB has developed a sensor, which repre-sents a quantum leap in high dc cur-rent measurement.

http://www05.abb.com/global/scot/scot271.nsf/veritydisplay/5aec632bde4451bfc1256fa50036f47d/$File/06-10%201M500%20ENG%2072dpi.pdf

Date added: March 25, 2014 - Views: 1

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Design of low-Consumption Piezoelectric Transducer for High ...

for High Current Measurement. Arvind S. Pande1, Rakesh Kumar Jha2, Prof. (Dr.) ... current measurements as is the case of the optical technology [8]. Different technologies try to play role of the Rogoswski ... optical current and voltage transformers for gas insulated

http://www.ijetae.com/files/Volume4Issue2/IJETAE_0214_77.pdf

Date added: March 16, 2014 - Views: 2

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Fibre Optic Magnetic Field Sensing Utilizing Iron Garnet ...

Measurement technology is an application oriented research area, and ... 90 T. D. Maffetone, T. M. McClelland, ”345ÊkV substation optical current measurement system for revenue metering and protective relaying”, IEEE Trans on Power Delivery,

http://kth.diva-portal.org/smash/get/diva2:457370/FULLTEXT01.pdf

Date added: January 9, 2014 - Views: 1

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Fiber Optic Technology Will Drive Next Generation Intelligent ...

Optical Measurement Technologies • Precise installation of optical sensor required to avoid environmental or temperature effects • Wide dynamic range for

http://revgengroup.com/resources/Fiber+Optics+in+the+Intelligent+Substation.pdf

Date added: March 2, 2012 - Views: 13

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Multipoint Temperature Measurement Technology using Optical Fiber

... but if current trends continue, this figure is expected to increase markedly by 5 to 9 times by 2025.1),2) ... Multipoint Temperature Measurement Technology using Optical Fiber Raman scattering in optical fibers with modulated probe light for distributed temperature Raman remote sensing.

http://www.fujitsu.com/downloads/MAG/vol46-1/paper07.pdf

Date added: March 31, 2012 - Views: 5

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Twin All-Optical Magnetic Probe for Current Metering and ...

Index Terms — Current measurement; Magnetooptic trans-ducers. I. INTRODUCTION ... research interests are connected to optical fibre technology, particularly fibre optic based sensors He is member of the Optical Society of America

http://homepage.ufp.pt/alobo/page8/page5/files/IEEE%20PPT%20Conf2001_1.pdf

Date added: May 10, 2013 - Views: 4

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Applications of High-Voltage Fiber Optic Current Sensors

Index Terms-- current measurement, high-voltage techniques, optics, optical current sensor, transducers, optical fiber devices ... the same optical products or technology can be used for several applications where traditionally different types of products or even F. Rahmatian is with ...

http://pro-ln.ru/upload/Rahmatian%20et%20al%20-%20App%20Optical%20CTs,%20Final.pdf?origin=publication_detail

Date added: March 16, 2014 - Views: 3

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Optical Current Sensors Eliminate CT Saturation

Optical Current Sensors Eliminate CT Saturation ... III MEASURING CURRENTS USING OPTICAL TECHNOLOGY ... optimally, an optical measurement of current has the ability to measure fault currents exceeding 400 kApeak. Additionally, ...

http://pro-ln.ru/upload/optical-current-sensors-eliminate-ct-saturation.pdf

Date added: June 25, 2014 - Views: 1

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Optical Fiber Near Infrared Spectroscopy for Skin Moisture ...

Selected Topics on Optical Fiber Technology 230 2. ... Occlusion during continuous skin moisture measurement. 4. Optical fiber NIR spectroscopy technique (1100-2000nm) Near Infrared ... researches and for industrial users who need to be aware of current developments in fiber lasers, sensors and

http://cdn.intechweb.org/pdfs/28582.pdf

Date added: December 9, 2012 - Views: 2

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Overview of measurement standards for solid state lighting

Optical Technology Division 1 Overview of measurement standards for solid state lighting. ... Current Status of Standardization Activities. ... Optical measurement of High-Power LEDs (Y. Zong, USA) TC2-64.

http://www.cormusa.org/uploads/1_CORM_Workshop_YO.pdf

Date added: October 20, 2011 - Views: 40

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On Site Verification of Current Transformers Using Optical ...

On Site Metrological Verification of High Voltage Current Transformers Using Optical Transducer Marcelo Melo da Costa Technology Center Eletrobras Eletronorte

http://www.imoc2013.org/IMOC2013/proceedings/pdfs/116759.pdf

Date added: October 24, 2013 - Views: 5

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Design and Development of a Low-Cost Optical Current Sensor

Optical technology is an ideal candidate for this, without the ... of conventional sensors. OPEN ACCESS. Sensors 2013, 13 13585 Optical current transformers based on optical fibre sensors are now being ... the accuracy of the current measurement. In the basic scheme of the polarimetric ...

http://appliedphotonicsbilbao.org/back/1389.pdf

Date added: April 4, 2014 - Views: 3

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Optical Fibre Sensors: a Current Perspective

Optical fibre sensor technology has been with us ap- ... novel sensing and measurement concepts, many of which ... Optical Fibre Sensors: a Current Perspective The Open Optics Journal, 2013, Volume 7 23

http://www.benthamscience.com/open/tooptsj/articles/V007/SI0019TOOPTSJ/21TOOPTSJ.pdf

Date added: March 7, 2014 - Views: 1

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Progress Towards Traceable Nanoscale Optical Critical ...

2Optical Technology Division, National Institute of Standards and ... measuring nanoscale features in semiconductors. OCD relies upon the measurement of an optical reflectance ... current work, the optical signatures consist of the reflectance of the grating at a fixed wavelength versus ...

http://physics.nist.gov/Divisions/Div844/publications/germer/SPIE6672_66720L_2007.pdf

Date added: June 13, 2012 - Views: 3

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Optical distance measurement - Ifm electronic

measurement Optical evaluation systems www.if m.co m /us/pmd. ... technology • Innovative "smart pixel" SoC design (System-on-Chip) • Greater immunity to ... Current consumption [mA] Short-circuit protection, pulsed Operating temperature [°F]

http://www.ifm.com/img/pmd_brochure_us.pdf

Date added: February 4, 2013 - Views: 2

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The Basics of Turbidity Measurement Technologies

It is an expression of the optical properties of a sample that ... Depending on the characteristics within a sample and the measurement technology that was applied, the various components of the turbidity measurement and the inherent interferences .

http://www.watersensors.org/files/Turbidimeter_Summary.pdf

Date added: September 18, 2012 - Views: 6

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All Optical Tank Level Indicator System - Virtual Acquisition ...

BASELINE TECHNOLOGY The current submarine tank level indicator technology is based upon magnetic reed switch ... currentmeasurement stick” reed switch technology. ... Optical Measurement Technique

http://www.virtualacquisitionshowcase.com/document/1770/briefing

Date added: December 28, 2012 - Views: 3

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Disconnecting Circuit Breaker with Fibre Optic Current Sensor ...

Agenda Fibre Optic Current Sensor (FOCS) is ABB:s latest platform for optical current measurement. Integration of FOCS with Disconnecting Circuit Breaker (DCB).

http://www02.abb.com/global/zaabb/zaabb011.nsf/bf177942f19f4a98c1257148003b7a0a/c790b68bf6b1e82ac1257b720040106a/$FILE/Fiber+Optic+Current+Sensors+(FOCS).pdf

Date added: October 19, 2013 - Views: 3

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Optical Current and Voltage Transformers - IESO Home

Optical technology and experience • Interface • Discussion of the flexible form factor (F3) optical CT • Certification and economics. ... Current measurement accuracy Down to ± 0.1% Depending on current level, temperature, AC or DC

http://www.theimo.com/imowebpub/200603/rm_pres-20060308-Optical-Current-Voltage-Transformers.pdf

Date added: March 31, 2012 - Views: 6

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Optical Fiber Measurement Technology - Beta LaserMike

Optical Fiber Measurement Technology Providing Measurement Solutions for the Optical Fiber, Wire, Cable and Extrusion Industries. ... You can even choose analog outputs for voltage or current loop requirements. The FiberMike Advantage

http://www.betalasermike.com/beta-lasermike-downloads/fiber.pdf

Date added: May 10, 2013 - Views: 4

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Paul Grems Duncan and Stephen Mastro Fiber Optic Current and ...

As an enabling technology to this end, fiber optic current and potential sensors are ... represents the measurement. In the case of optical current and voltage sensors the output is light; ... the testing methodology for the optical current sensors, John Schroeder, Dr. Kee Koo, ...

http://www.airak.com/downloads/Airak_Navy_Sensor_Overview.pdf

Date added: December 23, 2011 - Views: 7

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Fiber Optic Microsensors for Automotive Power Electronics

The Technology For current measurement, microcantilevers which have been micro-machined from silicon are coated with a magnetic material. ... optical fiber and the resulting signal used to control a power electronic inverter in a hybrid vehicle.

http://www.eere.energy.gov/vehiclesandfuels/pdfs/success/fiber_optic_microsensors_apr03.pdf

Date added: September 21, 2013 - Views: 1

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Manufacturing and measurement of freeform optics

measurement. Optical measurements can be performed very fast ... Journal of Optical Technology 75(3):161–165. [10] Benı´tez P, Min ... Seitz G (2001) Interferometric Testing of Optical Surfaces at its Current Limit. Optik 112(9):392–398. [46] Dowski ER, Cathey WT (1995) Extended Depth of ...

http://fp.optics.arizona.edu/optomech/student%20reports/synopsis/Synopsis%202013/Arcand/1-s2.0-S0007850613001935-main.pdf

Date added: March 16, 2014 - Views: 1

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Low Current, High Resistance Measurement Solutions

nomical alternatives to other low current measurement solutions, such as optical power meters ... ammeter. It employs the latest current measurement technology but it is significantly less ... tive picoammeters, or user-designed solutions. With eight current measurement ranges and high speed ...

http://www.physics.fsu.edu/courses/Spring12/PHY3802L/exp3802/modern/Picoammeter_Broc.pdf

Date added: December 8, 2012 - Views: 2

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Advances in On-Line Dissolved Oxygen Measurement using ...

Traditional DO measurement technology measures an electric current created as ... Non-electrochemical DO measurement technology offers a solution to the ... (optical) technology for DO (LDO), ...

http://www.hach.com/asset-get.download.jsa?id=11211294051

Date added: May 10, 2013 - Views: 3

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www.semicontaiwan.org

www.semicontaiwan.org

http://www.semicontaiwan.org/en/sites/semicontaiwan.org/files/docs/multi-channel_optoelectronic_measurement_technology.pdf

Date added: October 24, 2013 - Views: 1

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Meas. Sci. Technol. Measurement of the absolute linearity of ...

Metrology Research Institute, Helsinki University of Technology, PO Box 3000, FIN-02015 HUT, Finland ... current measurement methods. ... optical power, which was the maximum output power of the

http://www.atom.fysik.lth.se/QI/laser_documentation/Selected_articles/photo%20diode%20linearity%20measurement.pdf

Date added: May 10, 2013 - Views: 6

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A NOVEL FIBER-OPTIC CURRENT MEASUREMENT INSTRUMENT FOR HIGH ...

The fiber optical pulse current measurement instrument possesses both analog and digital signal outputs. It is not only suitable for ... electronic technology to power system, and the measurements of heavy DC current. Mr. Mao is a member of Chinese

http://ee.istanbul.edu.tr/eng/jeee/main/pages/issues/is32/32001.pdf

Date added: September 17, 2013 - Views: 5

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Technology Support on the Leading Edge TQ8215 Optical Power ...

expertise in measurement technology. It provides peak-power measurement, demodulation functions, ... optical measurement system. ... DC current measurement and resistance measurement functions in a single

http://w6.bysources.com/smart-inc/sample/catalog_TQ8215_e.pdf

Date added: July 13, 2013 - Views: 1

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Optical Current & Voltage Sensors - IESO Home

Optical Current & Voltage Sensors IESO March 07, 2007 Eric Langford, ... measurement of neutral current. Confidential NXCT-F3-DC 25 kA Installation EKA Chemicals, Magog, Quebec. Confidential ... Sustainable Development Technology Canada

http://www.theimo.com/imowebpub/200705/rm_pres-20070307-Ontario-IESO-Pres.pdf

Date added: July 16, 2013 - Views: 5

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Flow Rate Measurement in Microfluidics Using Optical Sensors

... called Optical Flow Measurement System (OFMS). It shares the optical detection concept with ... That is the light current IL is ... 1st International Conference on Sensing Technology November 21-23, 2005 Palmerston North, ...

http://www.researchgate.net/profile/Nam-Trung_Nguyen/publication/228416547_Flow_Rate_Measurement_in_Microfluidics_Using_Optical_Sensors/file/79e415061988cb45ea.pdf

Date added: April 8, 2014 - Views: 1

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Analog Measurement Sensors - (주)광전FA Ametek/gemco ...

Inductive Analog -The Toughest Measurement Sensors Optical Sensors -Precision Non-Contact Measurement ... Inductive Technology Optical Technology ... current, causing current flow to rise. This changing current is converted to a linearized analog signal by the analog

http://www.kwangjeon.co.kr/folder/file/AnalogMeasurement.pdf

Date added: June 1, 2013 - Views: 3

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NxtPhase Brings Light To Precision Current & Voltage Measurement

NXCT Optical Current Transducer The Honeywell fibre CTis a derivative of a Sagnac interferometer that is widely used in navigational gyro systems.

http://electricalline.com/images/mag_archive/17.pdf

Date added: February 4, 2013 - Views: 2

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New DC current measurement technology with fiber-optic sensor

New DC current measurement technology with fiber-optic sensor Information from ABB ... Hall effect and optical current transformers are both highly accurate. However, the optical sensor offers a number of important advantages (see also Table 1):

http://www.daedalus.ei.tum.de/attachments/article/255/FiberOpticCurrentSens.pdf

Date added: May 10, 2013 - Views: 9

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Optical Technology: A Look into the (Near) Future

... and test & measurement.We all know some of the current optical applications, ... optical technology that has been discussed for some time. ... extreme example of an application is the measurement of small variations in gravitational fields, ...

http://www.highfrequencyelectronics.com/Dec06/HFE1206_TechReport.pdf

Date added: June 20, 2014 - Views: 1

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Optical Oxygen System With ISM Application Note: Brewery

The optical technology offers significant advantages compared to current solutions on the market: Lower drift, no ... oxygen sensors with optical measurement principle offers

http://ca.mt.com/ca/en/home/supportive_content/application_editorials/Application_Note_Brewery_Optical_Oxygen_System/_jcr_content/download/file/file.res/Application_Note_Optical_Oxygen_System_with_ISM_Brewery_e_Jan09.pdf

Date added: March 7, 2014 - Views: 1

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Numerical Analysis of Current Measurement Error due to ...

Numerical Analysis of Current Measurement ... Sirindhorn International Institute of Technology, Thammasat University School of Communications, Instrumentations, and Control, P.O.Box22 Thammasat Ranssit Post Offi ce, Pathumthani 12121, Thailand Abstract Accuracy of current measurement in optical ...

http://www.tijst.net/issues/2003/no1/2003_V8_No1_4.PDF

Date added: May 8, 2013 - Views: 4

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OPTICAL PROBE CURRENT SENSOR MODULE USING THE KERR EFFECT OF ...

Spin Device Technology Center, Shinshu University . Nagano, Nagano, Japan 380-8553 . ... Abstract- An optical probe current sensor module using the Kerr effect of exchange-coupled ... The current sensor has a current measurement range .

http://www.s2is.org/Issues/v5/n2/papers/abstract4.pdf

Date added: January 9, 2014 - Views: 3

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APPLICATION OF OPTICAL FIBER CURRENT SENSORS TO UNDERGROUND ...

APPLICATION OF OPTICAL FIBER CURRENT SENSORS TO UNDERGROUND CABLES ... technology for the control, protection, and supervision in most facilities sustaining industry and community, such as ... Current measurement range

http://www.jicable.org/2007/Actes/Session_A5/JIC07_A55.pdf

Date added: September 22, 2012 - Views: 9

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Z-Height Measurement with Capacitive and Eddy-Current Sensors

Z-Height Measurement with Capacitive and Eddy-Current Sensors LA03-0055 † August, 2011 Summary: ... technology for these applications because of their small size, fl exibility, ... Optical and nonoptical microscopy require precise positioning to maintain

http://www.lionprecision.com/tech-library/appnotes/app-pdfs/dual-0055-Zheight.pdf

Date added: June 10, 2013 - Views: 1

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Study of Optical Fiber Grating Sensor Systems and Its ...

Abstract Fiber Bragg grating is one of the most important inventions of modern measurement field at the end of the twentieth Century and become the research focus of current sensor. The Optical ... grating Sensor Technology is a core having refractive index periodic changes in the structure of the

http://www.ier-institute.org/2070-1918/lnit16/v16/503.pdf

Date added: January 1, 2013 - Views: 4

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MEASUREMENT OF PHOTOVOLTAIC DEVICE CURRENT AS A

MEASUREMENT OF PHOTOVOLTAIC DEVICE CURRENT AS A FUNCTION OF VOLTAGE, ... the measurement of the current as a function of voltage, temperature, ... Relative optical air mass Ratio of path length along the oblique trajectory

http://www.photoemission.com/techpapers/Measurement%20of%20Photovoltaic%20Device%20Current%20as%20a%20Function%20of%20Voltage,%20Temperature,%20Intensity%20and%20Spectrum.pdf

Date added: November 12, 2012 - Views: 5

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Heat-Flux Sensor Calibration - National Institute of ...

Optical Technology Division Physics Laboratory ... sensors to meet the current calibration needs of U.S. science and industry. An outcome ... measurement situations the irradiance has a spatial distribution that is a maximum at the

http://www.nist.gov/calibrations/upload/sp250-65.pdf

Date added: December 22, 2011 - Views: 4

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Laser Diode Gas Sensors - Swissphotonics

vary linearly with drive current ... Technology - TDLS Measurement Principle. Technology – 1st or 2nd Order ... Optical technology contactless & hot gas measurement. Business Focus Laser gas detection

http://www.swissphotonics.net/libraries.files/LaserGasSensors-Hessler.pdf

Date added: December 19, 2012 - Views: 4

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Magnetomotive nanoparticle transducers for optical rheology ...

(120.5050) Phase measurement; (160.3820) Magneto-optical materials. References 1. N. W. ... Current methods for the measurement of mechanical properties of viscoelastic materials ... Technology, University of ...

http://biophotonics.illinois.edu/pubs/biophotonics_current/Magnetomotive%20nanoparticle%20transducers%20for%20optical%20rheology%20of%20viscoelastic%20materials.pdf

Date added: February 12, 2013 - Views: 1

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Optical Speed Measurement and applications

10 Optical Speed Measurement and applications Tibor Takács, Viktor Kálmán, dr. László Vajta Budapest University of Technology and Economics

http://cdn.intechopen.com/pdfs/5696/InTech-Optical_speed_measurement_and_applications.pdf

Date added: December 28, 2012 - Views: 4

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Motor Control Sensor Feedback Circuits - Microchip Technology

... shunt current measurement resistors are available from a number of vendors. ... DS00894A-page 6 2003 Microchip Technology Inc. LOW-SIDE CURRENT MEASUREMENT ... A simplified block diagram of an optical quadrature encoder is shown in Figure 17.

http://ww1.microchip.com/downloads/en/AppNotes/00894a.pdf

Date added: December 25, 2011 - Views: 47

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Current Opinion in Neurobiology - Princeton University - Genomics

The emergence of new optical measurement technology has been crucial for enabling measurement of [Ca2+] i ... current, but could be sufficient to limit activation of VDCCs to the spine receiving synaptic input.

http://genomics.princeton.edu/tank/pdf-publications/Current%20Opinion%20in%20Neurobiology%201996.pdf

Date added: January 9, 2014 - Views: 1