NDLI: Dissolved hydrogen measurement with palladium-silver FBG sensor in transformer oil

Content Provider	IEEE Xplore Digital Library
Author	Hong-tu Song Guo-ming Ma Jun Jiang Cheng-rong Li Ying-ting Luo Hong-bin Wang
Copyright Year	2015
Description	Author affiliation: State Key Lab. of Alternate Electr. Power Syst. with Renewable Energy Sources, North China Electr. Power Univ., Beijing, China (Hong-tu Song; Guo-ming Ma; Jun Jiang; Cheng-rong Li) \|\| Electr. Power Res. Inst., Guangdong Power, Grid Co., Ltd., Guangzhou, China (Ying-ting Luo; Hong-bin Wang)
Abstract	A novel sensor used in detection of hydrogen concentration dissolved in transformer oil was proposed based on fiber Bragg grating (FBG). Palladium was introduced as hydrogen sensitive material and silver was alloyed to improve permeability in hydrogen sensitive layer. Meanwhile membrane of titanium was fabricated for enhancing the adhesion between fiber and hydrogen sensitive layer. The thin film on FBG was coated with magnetron sputtering. A novel sensor that was wavelength-sensitive to hydrogen dissolved in oil was fabricated and the experimental platform was set up in this paper. The sensitivity of the sensor was tested in transformer oil at 80 °C which was typically high operating temperature or local overheating temperature of power transformers. The experimental result demonstrated that the sensor performed well at low hydrogen concentration of 323 μL/L and the sensitivity of sensor was as high as 24.4 μL/L at every 1pm wavelength shift.
Starting Page	73
Ending Page	76
File Size	733478
Page Count	4
File Format	PDF
ISBN	9781479973521
e-ISBN	9781479973545
DOI	10.1109/ICACACT.2014.7223605
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-06-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power transformers Multiplexing Temperature control Hydrogen high temperature fiber Bragg grating palladium-silver dissolved hydrogen concentration power transformer
Content Type	Text
Resource Type	Article

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