CN101521104B - Full optical fiber current transformer adopting double closed loop control - Google Patents
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- CN101521104B CN101521104B CN2008102268669A CN200810226866A CN101521104B CN 101521104 B CN101521104 B CN 101521104B CN 2008102268669 A CN2008102268669 A CN 2008102268669A CN 200810226866 A CN200810226866 A CN 200810226866A CN 101521104 B CN101521104 B CN 101521104B
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CN2008102268669A CN101521104B (en) | 2008-11-19 | 2008-11-19 | Full optical fiber current transformer adopting double closed loop control |
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CN2008102268669A CN101521104B (en) | 2008-11-19 | 2008-11-19 | Full optical fiber current transformer adopting double closed loop control |
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CN101521104A CN101521104A (en) | 2009-09-02 |
CN101521104B true CN101521104B (en) | 2011-06-29 |
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Families Citing this family (23)
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---|---|---|---|---|
CN102023337B (en) * | 2009-09-22 | 2012-01-18 | 北京大学 | Double polarized light polarization-preserving fiber polarization eliminator |
CN102053199B (en) * | 2009-10-29 | 2013-12-04 | 福州大学 | Digital optical fiber current sensor |
RU2437106C2 (en) * | 2009-12-29 | 2011-12-20 | Закрытое акционерное общество "Профотек" | Fibre-optic current sensor |
CN101871788B (en) * | 2010-06-04 | 2012-05-23 | 北京高光科技有限公司 | Distributed polarization crosstalk method and device for measuring polarization-preserving fiber and birefringent medium |
CN101957399B (en) * | 2010-09-21 | 2014-04-30 | 中国电力科学研究院 | Digital closed loop type optical fiber current sensor |
CN102087307B (en) * | 2010-12-22 | 2012-05-30 | 广东中钰科技有限公司 | High precision full optical fiber current mutual inductor |
CN102914679B (en) * | 2011-09-26 | 2013-06-05 | 北京航天时代光电科技有限公司 | Passive optical voltage transformer based on electrooptical effect |
EP2626711B1 (en) * | 2012-02-10 | 2015-03-11 | Alstom Technology Ltd | High-bandwidth, very-high-precision device for measuring HVDC current |
CN102590585A (en) * | 2012-02-20 | 2012-07-18 | 上海理工大学 | Measuring device for large current of power grid |
EP2682765A1 (en) * | 2012-07-05 | 2014-01-08 | ABB Research Ltd. | Temperature compensated fiber-optic current sensor |
CN102928656B (en) * | 2012-10-26 | 2015-01-21 | 易能乾元(北京)电力科技有限公司 | Full-optical fiber current sensor system |
CN103558438B (en) * | 2013-11-22 | 2016-01-20 | 杭州含章科技有限公司 | A kind of system and method reducing the drift of reflection type optical fiber current meter |
CN103926457B (en) * | 2014-04-25 | 2017-08-08 | 国家电网公司 | A kind of method for improving optical fiber current mutual inductor closed loop feedback factor stability |
CN105044424B (en) * | 2015-06-30 | 2018-01-23 | 马鞍山万兆科技有限公司 | A kind of all-fiber current transformator and its manufacture craft with integrated light path |
CN105004898B (en) * | 2015-06-30 | 2018-02-13 | 马鞍山万兆科技有限公司 | A kind of all-fiber current transformator and its manufacture craft with integrated light path |
CN105301319B (en) * | 2015-10-20 | 2018-01-09 | 浙江大学 | A kind of mode-locked laser type all-fiber current transformator |
CN105911503A (en) * | 2016-07-08 | 2016-08-31 | 中国能源建设集团湖南省电力设计院有限公司 | On-line verification system for all-fiber optical current transformer |
CN106526301A (en) * | 2016-10-25 | 2017-03-22 | 易能乾元(北京)电力科技有限公司 | Closed-loop independent double-sampling loop all-fiber current transformer based on single optical path |
CN107422166B (en) * | 2017-08-07 | 2020-02-11 | 北京航天时代光电科技有限公司 | Modulation and demodulation method for suppressing light power fluctuation for optical fiber current transformer |
CN107561337A (en) * | 2017-09-01 | 2018-01-09 | 全球能源互联网研究院 | The preparation method of optical fiber current mutual inductor and its prepared optical fiber current mutual inductor |
CN108445289B (en) * | 2018-03-09 | 2021-01-12 | 北京四方继保自动化股份有限公司 | High-voltage direct-current optical harmonic measurement device |
CN111308156A (en) * | 2019-11-14 | 2020-06-19 | 许继集团有限公司 | All-fiber current transformer supporting multipoint light path state monitoring |
CN110927431A (en) * | 2019-12-12 | 2020-03-27 | 东南大学 | Closed-loop demodulation all-fiber current transformer and large-current waveform hopping problem solving method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2911909Y (en) * | 2006-06-09 | 2007-06-13 | 郑州大学 | Active opticalfiber voltage/current metual-inductor |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2911909Y (en) * | 2006-06-09 | 2007-06-13 | 郑州大学 | Active opticalfiber voltage/current metual-inductor |
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Inventor after: Wang Wei Inventor after: Zhang Zhixin Inventor after: Sun Chaowu Inventor after: Wang Liqing Inventor after: Si Lei Inventor after: Zhang Feng Inventor after: Yang Qingsheng Inventor after: Wang Xuefeng Inventor after: Yang Yisong Inventor before: Wang Wei Inventor before: Zhang Zhixin Inventor before: Li Yongbing Inventor before: Liu Dongwei Inventor before: Han Baoxi Inventor before: Yang Qingsheng Inventor before: Wang Xuefeng Inventor before: Yang Yisong |
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Effective date of registration: 20180731 Address after: 100094 Beijing Haidian District Yongfeng industrial base Yong Jie North Road 3 A block 3 floor 311 room. Patentee after: Beijing Aerospace Times Optoelectronics Technology Co., Ltd. Address before: 100085 room 103, 19 Middle Road, Haidian District, Beijing. Patentee before: NAE (Beijing) Electric Control Technology Ltd. |