A fiber optical thermometer for high power transformer monitoring utilizing the thermo-optical phase transition of VO2

Reliable operation of high power transformers (HPT) is an essential condition to maintain stable electric energy supply in the increasingly interconnected energy distribution nets. The electrical environment within HPT's ultimately prevents use of wired thermometers, as thermo-couples or diodes...

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Bibliographic Details
Published in2012 IEEE International Instrumentation and Measurement Technology Conference Proceedings pp. 1387 - 1390
Main Authors de Lima, L. H. C., Schelp, L. F., Oliveira, L. C., Neto, A. G. S. Barreto, Lima, A. M. N., Neff, H.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2012
Subjects
Optical reflection
optical sensor
Optical sensors
Reflectivity
Temperature
Temperature measurement
temperature sensor
Temperature sensors
vanadium oxide
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Summary:Reliable operation of high power transformers (HPT) is an essential condition to maintain stable electric energy supply in the increasingly interconnected energy distribution nets. The electrical environment within HPT's ultimately prevents use of wired thermometers, as thermo-couples or diodes which rely on electrical bias. Here, we propose a rather simple sensor design approach that comprises the thermo-optical properties of the solid state phase transition in Vanadium oxide, in connection with temperature recordings by means of a fiber optic design.
ISBN:1457717735
9781457717734
ISSN:1091-5281
DOI:10.1109/I2MTC.2012.6229444