Development and field trial of a FBG-based magnetic sensor for large hydrogenerators

被引：4
|
作者：
Fracarolli, Joao P. V. [1 ]
Rosolem, Joao B. [1 ]
Tomiyama, Elias K. [1 ]
Floridia, Claudio [1 ]
Penze, Rivael S. [1 ]
Peres, Rodrigo [1 ]
Dini, Danilo C. [1 ]
Hortencio, Claudio A. [1 ]
Dilli, Paulo I. G. [2 ]
da Silva, Erlon V. [2 ]
dos Santos, Marceu C. [2 ]
Fruett, Fabiano [3 ]
机构：
[1] CPqD Fdn, R Dr Ricardo Benetton Martins,1000, BR-13086902 Campinas, SP, Brazil
[2] Tractebel Energia SA, Rod PR 475,Km 3, BR-85575000 Sao Jorge Doeste, PR, Brazil
[3] Univ Estadual Campinas, Ave Albert Einstein,400, BR-13083852 Campinas, SP, Brazil
来源：
FIBER OPTIC SENSORS AND APPLICATIONS XIII | 2016年 / 9852卷
关键词：
FBG; magnetic field sensor; hydrogenerator; Terfenol-D;
D O I：
10.1117/12.2223919
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a passive optical sensor for online magnetic field monitoring in large hydrogenerators, based on FBG (Fiber Bragg Grating) technology and a magnestostrictive material (Terfenol-D). The objective of this sensor is to detect faults in the rotor windings due to inter turn short-circuits. This device is packaged in a novel rod-shaped enclosure, allowing it to be easily installed on the ventilation ducts of the stator of the machine. This sensor was developed and tested in laboratory and it has been evaluated in a field test on a 200 MVA, 60 poles hydrogenerator.
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收藏
页数：6
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