Design of a DC current sensor based on fluxgate principle

In this study, we designed a current sensor based on fluxgate principle. It consists of two coils wound around toroidal ring core from amorphous cobalt-based Metglass 2714A ribbon. Good linearity between the magnitude of measured DC current and the value of second harmonic (2f) voltage induced by th...

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Bibliographic Details
Main Authors: Çoker, Eylem Gülce, Can, Hava, Selvi, Selman, Svec, Peter, Topal, Uğur
Format: Conference Proceeding
Language:English
Subjects:
Direct current
Fluxgate magnetometers
Linearity
Noise levels
Pickup coils
Sensors
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Summary:In this study, we designed a current sensor based on fluxgate principle. It consists of two coils wound around toroidal ring core from amorphous cobalt-based Metglass 2714A ribbon. Good linearity between the magnitude of measured DC current and the value of second harmonic (2f) voltage induced by the pick-up coil has been observed. Noise level of 46 µA/√Hz at 1 Hz and scale factor of 149 mV/A have been achieved in the developed sensor configuration under specific excitation conditions.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5119460