Quasi-distributed Fiber Bragg Grating Temperature Sensors for Stator Bars Monitoring of Large Electric Generators

被引：0
|
作者：
Dreyer, Uilian Jose [1 ]
da Silva, Erlon Vagner [2 ]
Di Renzo, Andre Biffe [1 ]
Martelli, Cicero [1 ]
Cardozo da Silva, Jean Carlos [1 ]
机构：
[1] Univ Tecnol Fed Parana, BR-8023090 Curitiba, Parana, Brazil
[2] UHE Salto Osorio, Tractebel Energia, PR475 Km 3, BR-85460000 Quedas Do Iguacu, Parana, Brazil
来源：
SIXTH EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS | 2016年 / 9916卷
关键词：
Fiber optic temperature sensor; Fiber Bragg Gratings; Electric generator stator bar temperature;
D O I：
10.1117/12.2236504
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
This work presents the application of a sensor based on quasi-distributed Fiber Bragg Gratings to monitor stator bars temperature of large electric generators. The applied FBG packaging method follows industrial standard procedures, and resulted in a robust and reliable sensing method, facilitating the future installation in the power plant. Experimental results are acquired in laboratory using the expected range of temperature values in the real machine. The measurement errors in the recorded results are within the calculated uncertainties and the time constant is shorter than what is obtained with conventional RTD for the same application.
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页数：4
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