Development of Optical Voltage Transducer Based on Dual-Mode Highly Elliptical-Core Polarization Maintenance Fiber

被引:0
|
作者
W.-H. Bi
机构
基金
中国国家自然科学基金;
关键词
Converse piezoelectric effect; dual- mode fiber; modular interference; optical voltage transducer; quartz crystal; temperature compensation;
D O I
暂无
中图分类号
TP212.14 [];
学科分类号
0803 ;
摘要
This paper describes an optical voltage transducer (OVT) for the 35 kV electric power system based on modular interference in dual-mode highly elliptical-core polarization maintenance fiber (E-Core PMF). The temperature and environmental perturb- bation can be compensated automatically. In the scheme, a quartz crystal cylinder wrapped with highly elliptical-core fiber plays the role of voltage sensor head. The two interference output lobes’ intensity from the E-core PMF is modulated with the converse piezoelectric effect of quartz crystal. A PZT wrapped with E-core PMF at ground potential serves as the static modular phase difference control and temperature compensation unit. The experiment results indicate that the OVT designed in this paper has satisfying performance and could successfully rejects the temperature perturbation.
引用
收藏
页码:492 / 495
页数:4
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