Side effects of the power frequency magnetic field mitigation

The paper aims to assess side effects which occur as a result of measures adopted to reduce the electromagnetic field in the vicinity of overhead power lines, respectively using the phases' transposition for double circuit transmission lines. Practical considerations about the accuracy of magnetic field calculation were discussed considering the real positions of conductors, the optimal phasing in the case of double-circuit lines and the losses which appear in ground wire(s) in different configuration of phases.