Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Theoretical and Experimental Analysis of Extremely Low Frequency Magnetic Field in the Vicinity of the Transformer Station of Overhead Power Lines

  • Ghnimi, Said (Faculty of Science of Tunis, Tunis El Manar University) ;
  • Rajhi, Adnen (Carthage National School of Engineering, Carthage University) ;
  • Gharsallah, Ali (Faculty of Science of Tunis, Tunis El Manar University) ;
  • Bizid, Youssef (Faculty of Science of Tunis, Tunis El Manar University)
  • Received : 2017.10.10
  • Accepted : 2018.03.13
  • Published : 2018.07.01
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Abstract

This paper studies the magnetic fields between the power lines which are finite length and other ones which are infinitely long around the first tower in the proximity of the power transformers. They will be used as a source of disturbance applied to the power line. The method applied in this study was gradual; develop the theoretical formulation of the magnetic fields of these lines which are finite length and other ones which are infinitely long, examine the effects of different couplings between the different neighboring lines and the distribution transformers on behavior of magnetic fields. The method also focused on the experimental results analyzing the magnetic fields which will be used as a source applied to the auditory implants EMC. The theoretical and experimental results were compared and discussed for three power lines (90kV, 150kV and 225kV) near the power station, and it proved the effect of these substations on the simulated and measured results of the magnetic field. The maximum intensities of magnetic fields measured at the height of 1m from the ground for the circuit of three lines close to each substation were significantly lower than the ICNIRP reference levels for occupational and non occupational exposures.

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References

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