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Sensors 2017, 17(6), 1271; doi:10.3390/s17061271

Magnetoelectric Current Sensors

Department of Design and Technology of Radioequipment, Novgorod State University, Veliky Novgorod 173003, Russia
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Author to whom correspondence should be addressed.
Academic Editor: Nian X. Sun
Received: 1 March 2017 / Revised: 26 May 2017 / Accepted: 30 May 2017 / Published: 2 June 2017
(This article belongs to the Special Issue Magnetoelectric Heterostructures and Sensors)
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Abstract

In this work a magnetoelectric (ME) current sensor design based on a magnetoelectric effect is presented and discussed. The resonant and non-resonant type of ME current sensors are considered. Theoretical calculations of the ME current sensors by the equivalent circuit method were conducted. The application of different sensors using the new effects, for example, the ME effect, is made possible with the development of new ME composites. A large number of studies conducted in the field of new composites, allowed us to obtain a high magnetostrictive-piezoelectric laminate sensitivity. An optimal ME structure composition was matched. The characterization of a non-resonant current sensor showed that in the operation range to 5 A, the sensor had a sensitivity of 0.34 V/A, non-linearity less than 1% and for a resonant current sensor in the same operation range, the sensitivity was of 0.53 V/A, non-linearity less than 0.5%. View Full-Text
Keywords: current sensor; magnetoelectricity; magnetoelectric effect; sensor design current sensor; magnetoelectricity; magnetoelectric effect; sensor design
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Bichurin, M.; Petrov, R.; Leontiev, V.; Semenov, G.; Sokolov, O. Magnetoelectric Current Sensors. Sensors 2017, 17, 1271.

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