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典型文献
A passive current sensor employing self-biased magnetoelectric transducer and high-permeability nanocrystalline flux concentrator
文献摘要：
A passive current sensor,consisting of SmFe2/PZT/SmFe2 self-biased magnetoelectric(ME)composite and Fe73.5Cu1Nb3Si13.5B9 nanocrystalline flux concentrator for weak current detection at power-line frequency,was fabricated and characterized.Giant magnetostrictive material of SmFe2 plate with large anisotropic constant provides a huge internal anisotropic field to bias the ME transducer in closed magnetic loop.Consequently,the additional magnetomotive force induced by the internal field and the corresponding increased effective permeabil-ity contribute to the improvement of the sensitivity.Experimental results demonstrate that the presented sensor has a higher sensitivity of 152 mV·A-1 at 50 Hz with a slight nonlinearity of～0.01％full scale(FS)and matches well with the predicted value.This presented current-sensing device exhibits approximately 2.3 times higher sensitivity than that of conventional ME composite with[Pb(Zr0.48,Tio.52)O3](PZT)and Terfenol-D plates serving as a key sensitive component.In addition,time stabilities of the presented sensor were evaluated for a long period of 72 h and analyzed through mathematical statistics method,and favorable stabilities with an uncertainty of 0.5 μV are obtained in continuous l h testing.These results provide a significant advancement toward promising application of the tri-layer self-biased ME laminate for power-line elec-tric cords monitoring.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
[2] 自动化技术、计算机技术（TP） / 计算技术、计算机技术（TP3） / 计算机的应用（TP39） / 信息处理(信息加工)（TP391）
[3] 数理科学和化学（O） / 力学（O3） / 振动理论（O32） / 非线性振动（O322）
作者姓名：
Ji-Tao Zhang;Yu-Mei Wen;Ping Li
作者机构：
Research Center of Sensors and Instruments,College of Optoelectronic Engineering,Chongqing University,Chongqing 400044,China;Department of Smart Grids and Information Engineering,College of Electric and Information Engineering,Zhengzhou University of Light Industry,Zhengzhou 450002,China
文献出处：
稀有金属（英文版）
引用格式：
[1]Ji-Tao Zhang;Yu-Mei Wen;Ping Li-.A passive current sensor employing self-biased magnetoelectric transducer and high-permeability nanocrystalline flux concentrator)[J].稀有金属（英文版）,2022(07):2343-2348
A类：
SmFe2,5Cu1Nb3Si13,magnetomotive,permeabil,Tio,cords
B类：
passive,current,sensor,employing,self,biased,magnetoelectric,transducer,permeability,nanocrystalline,flux,concentrator,consisting,PZT,ME,composite,Fe73,5B9,weak,detection,power,frequency,was,fabricated,characterized,Giant,magnetostrictive,material,large,anisotropic,constant,provides,huge,internal,field,closed,magnetic,loop,Consequently,additional,force,induced,by,corresponding,increased,effective,contribute,improvement,sensitivity,Experimental,results,demonstrate,that,presented,has,higher,mV,slight,nonlinearity,full,scale,FS,matches,well,predicted,value,This,sensing,device,exhibits,approximately,times,than,conventional,Pb,Zr0,O3,Terfenol,plates,serving,key,sensitive,component,In,stabilities,were,evaluated,long,period,analyzed,through,mathematical,statistics,method,favorable,uncertainty,are,obtained,continuous,testing,These,significant,advancement,toward,promising,application,layer,laminate,monitoring
AB值：
0.566726
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