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15 October 2013 Research and application of optical fiber sensing technology in wireless temperature monitoring of switchgear
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Proceedings Volume 8924, Fourth Asia Pacific Optical Sensors Conference; 89242E (2013)
Event: Asia Pacific Optical Sensors Conference 2013, 2013, Wuhan, China
(1National Engineering Laboratory for Fiber Optic Sensing Technology, 2Key Laboratory of Fiber Optic Sensing Technology and Information Processing, Wuhan University of Technology, Wuhan, 430070, China) Abstract: In view of the high voltage, strong magnetic field environment of high voltage switchgear, the isolation contact temperature measurement scheme of optical fiber based on wireless sensor technology realizes the contact temperature monitoring of high-voltage switchgear. In this scheme, good thermal conductivity and insulation ceramic materials are selected as outer jacket material sensing probe, and the program has a good solution to the problem of high and low voltage isolation; Combination of optical fiber composite insulator for wireless sensing, solves the problem of high voltage insulation, but also to avoid the "creeping" phenomenon due to dust. The package structure and reasonable installation solve the cross sensitivity of strain. Application shows that the precision of temperature measurement of the system can reach ± 0.5 ℃ and can work in a variety of harsh environment. It can improve the reliability of the operation of electrical equipment significantly and has considerable practical value for the normal operation of the whole power system.
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Weibing Gan and Cui Zhang "Research and application of optical fiber sensing technology in wireless temperature monitoring of switchgear", Proc. SPIE 8924, Fourth Asia Pacific Optical Sensors Conference, 89242E (15 October 2013);

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