Research on overcoming temperature offset and noise affection in optical current transducer

被引：0
|
作者：
Yan, GP [1 ]
Huang, YJ [1 ]
Chen, HQ [1 ]
Sun, ZG [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan 430074, Peoples R China
来源：
ADVANCED PHOTONIC SENSORS AND APPLICATIONS | 1999年 / 3897卷
关键词：
optical current transducer; DC current measurement; AC modulation; adaptive filter algorithm;
D O I：
10.1117/12.369376
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：
Optical Current Transducer (OCT) is a new kind of transducer applying in electric power measurement system. This paper analyses the questions of temperature offset and noise affection in measuring DC current with OCT. The solutions to these questions are described in this paper. One is adopting AC modulation technology to overcome temperature offset. The other is an adaptive filter algorithm which is used in OCT to refrain noise. It is proved by experiments that the two methods are effective and can improve the measurement accuracy.
引用
收藏
页码：734 / 741
页数：2
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