A Fiber-Optic Multi-Stress Monitoring System for Power Transformer

被引：3
|
作者：
Kim, Dae-gil [1 ]
Sampath, Umesh [1 ]
Kim, Hyunjin [1 ]
Song, Minho [1 ]
机构：
[1] Chonbuk Natl Univ, Div Elect & Informat Engn, Jeonju 54896, South Korea
来源：
2017 25TH INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS (OFS) | 2017年 / 10323卷
基金：
新加坡国家研究基金会;
关键词：
Fiber-optic sensor; Fiber Bragg grating; Sagnac interferometer; Mandrel sensor; Power transformer; SENSORS;
D O I：
10.1117/12.2265676
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：
A fiber-optic multi-stress monitoring system which uses 4 FBG sensors and a fiber-optic mandrel acoustic emission sensor is proposed. FBG sensors and a mandrel sensor measure different types of stresses occurring in electrical power transformer, such as temperature and acoustic signals. The sensor system uses single broadband light source to address the outputs of both sensors using single fiber-optic circuitry. An athermal-packaged FBG is used to supply quasicoherent light for the Sagnac interferometer demodulation which processes the mandrel sensor output. The proposed sensor system could simplify the optical circuit for the multi-stress measurements and enhance the cost-effectiveness of the sensor system.
引用
收藏
页数：4
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