期刊文献+

采用激光供能方法的光纤电流互感器 预览 被引量:4

Optic-Fiber Current Transducer Powered with Laser Energy
在线阅读 下载PDF
收藏 分享 导出
摘要 研制了一种新型的电流互感器,高压端采用Rogowski线圈作为电流传感头.传感头输出信号经A/D转换器变成数字量后编码成曼彻斯特码,由塑料光纤发送到低压端,用激光供能的方法为高压端的电子器件提供能源.低压端用D/A转换器恢复母线电流信号.该方法克服了传统电磁式电流互感器的固有缺点,也解决了直接从电力母线获得高压端电子器件工作能量的方法所带来的死区问题,加快了电子式电流互感器的实用化进程. A novel current transducer which uses Rogowski core as current sensor head was designed. The signal from sensor head is sampled by a A/D converter, then the digital result is transformed to Manchester code and send to low voltage part by plastic fiber. Energy for electronic devices on the high voltage part is supplied with laser from low voltage part. At low voltage part, a D/A converter is used to resume the primary current signal. The design conquers the inherent defects of traditional electromagnetic current transducer, and resolves the problem of dead area in powering the electronic devices in high voltage part from the power line directly. The new current transducer will accelerate the practical process of electronic current transducer.
作者 刘丰 卢启柱 毕卫红 郑绳楦 LIU Feng, LU Qi-zhu, BI Wei-hong, ZHENG Sheng-xuan (Information Science & Engineering Department, Yanshan University, Qinhuangdao 066004, China)
出处 《仪表技术与传感器》 CSCD 北大核心 2007年第5期 5-6,17,共3页 Instrument Technique and Sensor
关键词 光供能 电流互感器 ROGOWSKI线圈 曼彻斯特码 laser energy supply current transducer Rogowski core Manchester code
  • 相关文献

参考文献8

二级参考文献34

  • 1李红斌,刘延冰.用于110KV变电站的光学电流互感器[J].华中理工大学学报,1995,23(7):6-10. 被引量:18
  • 2-.微机通信原理与实用技术[M].清华大学出版社,1998.. 被引量:1
  • 3-.模数与数模转换技术[M].国防工业出版社,1990.. 被引量:1
  • 4CEASE T W, JOHNSTON P. A Magneto-optic current transducer. IEEE Trans. on Power Delivery, 1990,5 (2): 548 - 555. 被引量:1
  • 5CEASE T W, DRIGGAMS J G, WEIKEL S J. Optical voltage and current sensors used in a revenue metering system. IEEE Trans. on Power Delivery, 1991,6(4): 1374 - 1379. 被引量:2
  • 6MAFFETONE T D, CLELLAND T M M. 345 kV substation optical current measurement system for revenue metering and protective. IEEE Trans. on Power Delivery, 1991,6(4): 1430 - 1437. 被引量:1
  • 7MADDEN W L, MICHIE W C, CRUDEN A, et al. Temperature compensatian for optical current sensors. Optic al Engineering, 1999, 38 (10):1701-1707. 被引量:1
  • 8TABOR W J, CHEN F S. Electromagnetic propagation through materials possessing both Faraday rotation and birefringence: experiments with ytterbium orthoferrite. J. of Applied Physics, 1969,40(7) :2760 - 2765. 被引量:1
  • 9JAECKLIN A A, LIETZ M. Elimination of disturbing birefringence effects on Faraday rotation. Applied Optics. 1972,11 (3) :617 - 621. 被引量:1
  • 10ULMER E A. High accuracy Faraday rotation measurements. USA: OFS'88, New Orleas, 1988(Tncc21): 1 - 4. 被引量:1

共引文献85

同被引文献31

引证文献4

二级引证文献12

投稿分析
职称考试

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部 意见反馈