Eur. Phys. J. Appl. Phys.
Volume 41, Number 1, January 2008
|Page(s)||49 - 52|
|Section||Magnetism and Superconductivity|
|Published online||19 December 2007|
Giant magnetoimpedance effect in a coil with magnetic core and its application in current monitoring
Magnetoelectronics Lab, Nanjing Normal University, Nanjing 210097, P.R. China
2 Information Engineering Department, Jiangsu Television University, Nanjing 210036, P.R. China
Corresponding author: firstname.lastname@example.org
Revised: 16 October 2007
Accepted: 22 October 2007
Published online: 19 December 2007
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.
PACS: 85.75.Ss – Magnetic field sensors using spin polarized transport / 84.37.+q – Measurements in electric variables / 84.32.Hh – Inductors and coils; wiring / 85.70.Ge – Ferrite and garnet devices
© EDP Sciences, 2007
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