Ga-based passive loop optimization for magnetic field mitigation of transmission lines

This paper presents a systematic method to assist in the design of passive loops with the aim of mitigating the magnetic field generated by overhead transmission lines. The procedure is based on a two-dimensional (2D) modeling of the magnetic field, using a genetic algorithm (GA) to obtain the optimal mitigation design both for non-compensated and compensated coils. The proposed technique is applied to a horizontal line using three different passive mitigating configurations. Numerical results of the convergence and mitigation effectiveness, as well as discussion of the results, are provided.