A Compact FBG-Based Magnetostrictive Optical Current Sensor With Reduced Mass of Terfenol-D

被引：27

作者：

Dante, Alex ^{[1
]}

Lopez, Juan David ^{[1
]}

Carvalho, Cesar Cosenza ^{[1
]}

da Silva Barros Allil, Regina Celia ^{[1
]}

Werneck, Marcelo Martins ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Photon & Instrumentat Lab, BR-21941598 Rio De Janeiro, Brazil

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2019年 / 31卷 / 17期

关键词：

Fiber optics; optical current sensors; Bragg grating; magnetostrictive sensor; Terfenol-D;

D O I：

10.1109/LPT.2019.2932112

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, we performed finite element method (FEM) simulations, fabrication, and experimental characterization of two prototypes of fiber-optic current sensors (FOCS) based on fiber Bragg grating (FBG) and Terfenol-D for monitoring current in high-voltage transmission lines. The proposed prototypes were designed in geometrical configurations that allowed a massive reduction of more than 98% in the amount of Terfenol-D employed compared to MG-based FOCS proposed previously. Using only 5.6 and 2.0 g of Terfenol-D in each prototype, we show that not only the cost of the sensor can he reduced but also greater sensitivity, linearity, and fast response-time to transient events were achieved.

引用

页码：1461 / 1464

页数：4

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