Abstract

The paper applies a new method for evaluating magnetic fields produced far from power lines. Simple formulae are used for calculating the magnitudes of the resultant, Semimajor and semi-minor axes that characterize the magnetic fields produced by various power-line configurations. We analyze the first few terms of the power series that expresses the magnetic field produced by an assembly of parallel line currents, such as those used to approximate the conductors of electric-power transmission and distribution lines. The properties of the first few terms of this series will be described. Some assumptions have been taken into consideration. Field measurements were carried out for magnetic flux densities produced at large distances by three-phase power lines. The results were compared with the calculated values. Several methods for reducing the magnetic field generated by power lines are addressed.

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