Electric and magnetic field sensing for high voltage applications

被引：14
|
作者：
Bosselmann, T
机构：
来源：
MICRO-OPTICAL TECHNOLOGIES FOR MEASUREMENT, SENSORS, AND MICROSYSTEMS II AND OPTICAL FIBER SENSOR TECHNOLOGIES AND APPLICATIONS | 1997年 / 3099卷
关键词：
fibre optic sensors; Faraday effect; Pockels effect; optical current and Voltage measurement;
D O I：
10.1117/12.281241
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：
Electric and magnetic fields can be measured optically, either directly via Pockels and Faraday effect or indirectly via Piezo effect. In high Voltage applications fiber optic sensors are especially attractive for their ability of easy potential separation. For electric fields the Pockels effect in BSO, EGO crystals is mostly read out polarimetrically. The current is mostly measured via the Faraday effect in fibres or bulk optics polarimetrically, but also by means of a Sagnac interferometer. Electrooptic Voltage and magnetooptic current sensors have quite a matured state of development and shown their benefits in a lot of field tests and installation in high Voltage switch gears.
引用
收藏
页码：305 / 316
页数：12
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