偏振CT系统的双冷优化算法

2007 International Symposium on Information Technology Convergence (ISITC 2007) Pub Date : 2007-11-23 DOI:10.1109/ISITC.2007.31

Hyoung-Jun Park, Hyun Jin Kim, Minho Song

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引用次数: 3

摘要

我们开发了一种用于过流保护继电器的光纤电流传感器系统。采用纺丝纤维消除了线性双折射效应，并比较了扭曲玻璃纤维和燧石玻璃纤维的效率。实验结果表明，随着电流的增大，纺丝输出的线性误差小于2%。60 Hz时的信噪比大于55 dB。纺制纤维传感器线圈的灵敏度分别比弗林特玻璃纤维和捻制纤维高约6和35 dB。

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Birefrigence Optimization Algorithm of the Polarimetric CT System

We developed a fiber-optic current sensor system for the over-current protection relay. A spun fiber was employed to eliminate linear birefringence effect, and to compare the efficiency a twisted and a Flint glass fiber were also tested. From the experimental results, we obtained less than 2% of linear error with spun fiber output according to current increases. The SNR at 60 Hz is measured to be more than 55 dB. The spun fiber sensor coil showed the sensitivity of about 6 and 35 dB better than the Flint glass fiber and twisted fiber, respectively.

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2007 International Symposium on Information Technology Convergence (ISITC 2007)

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