Published January 1, 2019
| Version v1
Conference paper
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Design of a DC Current Sensor Based on Fluxgate Principle
- 1. TC Istanbul Aydin Univ, Halit Aydin Campus, TR-34295 Istanbul, Turkey
- 2. TUBITAK UME Natl Metrol Inst, PK 54, TR-41470 Gebze, Kocaeli, Turkey
- 3. Univ Bulvari, TC Gaziantep Univ, Sehitkamil, Gaziantep, Turkey
- 4. Inst Phys SAS DMP, Bratislava, Slovakia
Description
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 mu A/root Hz at 1 Hz and scale factor of 149 mV/A have been achieved in the developed sensor configuration under specific excitation conditions.
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