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Type: Congresso
Title: Development And Field Trial Of A Fbg-based Magnetic Sensor For Large Hydrogenerators
Author: Fracarolli
Joao P. V.; Rosolem
Joao B.; Tomiyama
Elias K.; Floridia
Claudio; Penze
Rivael S.; Peres
Rodrigo; Dini
Danilo C.; Hortencio
Claudio A.; Dilli
Paulo I. G.; da Silva
Erlon V.; dos Santos
Marceu C.; Fruett
Abstract: 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.
Subject: Fbg
Magnetic Field Sensor
Editor: Spie-Int Soc Optical Engineering
Citation: Fiber Optic Sensors And Applications Xiii. Spie-int Soc Optical Engineering, v. 9852, p. , 2016.
Rights: aberto
Identifier DOI: 10.1117/12.2223919
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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