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Folded bus bar current transducer based on Hall effect sensor

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Abstract

In this paper the realization and optimization of a novel coreless folded bus bar current transducer based on a Hall effect sensor are presented. The proposed transducer utilizes the bus bar folded in the shape of a Cyrillic letter “\({\Pi }\)” to suppress impact of the skin effect, and it is capable of measuring AC and DC currents up to 250 A at 10 kHz frequency with nonlinearity less than \(\pm 0.5\%\) in the entire current range. Methods for suppression of the skin effect impact and impact of stray magnetic fields are presented along with the experimental test results. Some of the proposed methods are novel and have never been evaluated.

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Acknowledgements

The research presented in this paper is financed by the Ministry of Education, Science and Technological Development of the Republic of Serbia under the Projects TR32057 and TR33035.

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Authors and Affiliations

  1. IRC Sentronis AD, Niš, Serbia

    Marjan Blagojević

  2. Faculty of Electronic Engineering, University of Niš, Niš, Serbia

    Uglješa Jovanović, Igor Jovanović & Dragan Mančić

Authors
  1. Marjan Blagojević
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  2. Uglješa Jovanović
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  3. Igor Jovanović
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  4. Dragan Mančić
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Corresponding author

Correspondence to Uglješa Jovanović.

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Blagojević, M., Jovanović, U., Jovanović, I. et al. Folded bus bar current transducer based on Hall effect sensor. Electr Eng 100, 1243–1251 (2018). https://doi.org/10.1007/s00202-017-0579-2

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  • DOI: https://doi.org/10.1007/s00202-017-0579-2

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