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Giant magnetoimpedance effect in a coil with magnetic core and its application in current monitoring

Published online by Cambridge University Press:  19 December 2007

X. F. Rong ,
N. Zhang  and
W. L. Ke
X. F. Rong
Affiliation:
Magnetoelectronics Lab, Nanjing Normal University, Nanjing 210097, P.R. China
N. Zhang*
Affiliation:
Magnetoelectronics Lab, Nanjing Normal University, Nanjing 210097, P.R. China
W. L. Ke
Affiliation:
Information Engineering Department, Jiangsu Television University, Nanjing 210036, P.R. China
*
zhangning@njnu.edu.cn
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Abstract

The behavior of a coil with ferrite core applied with an ac current and under a magnetic field has been investigated. The field-induced changes of both inductance and impedance have been observed. Based on this, a device for electric current monitoring with the coil has been developed. The result has shown that such a device is very sensitive and high efficiency, and convenient to use in the field of power transmission and management.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 41 , Issue 1 , January 2008 , pp. 49 - 52
Copyright
© EDP Sciences, 2007

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