Research of DC Current Measurement Technology Based on Optical Fiber Thermometry

Dan Ping Jia; Yang Wang; Song Lin; Quan Kang Wei

doi:10.4028/www.scientific.net/AMM.128-129.686

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 128-129Research of DC Current Measurement Technology...

Research of DC Current Measurement Technology Based on Optical Fiber Thermometry

Abstract:

Thin film sensor has the advantages of small size and low cost, which has become a research hotspot in recent years. A measurement system of passive optical fiber DC current sensor based on the thin film sensors is designed in this article. Designs of electric-heating converter, heating-light converter and low-voltage measurement display system are introduced in detail. Experimental results indicate that the general linear correlation between the time constant of fluorescent lifetime and the voltage across the thin film resistor. The feasibility of measurement system is verified via the results of the experiment.

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Periodical:

Applied Mechanics and Materials (Volumes 128-129)

Pages:

686-689

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.128-129.686

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Online since:

October 2011

Authors:

Dan Ping Jia, Yang Wang, Song Lin, Quan Kang Wei

Keywords:

DC Current Sensor, Optical Fiber, Passive, Thermometry, Thin Film Sensing

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References

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