A new study has developed an improved method for predicting the electric field distribution in lightning protection systems, taking into account ground heterogeneity. This research is crucial for optimizing the design and effectiveness of protection infrastructures, especially in environments where soil properties vary significantly. The ability to accurately model how lightning energy dissipates through non-uniform soil represents a significant advance in electrical protection engineering.

Traditionally, lightning protection system models often assume homogeneous soil, which can lead to inaccuracies in predicting electric field behavior and, consequently, to suboptimal or insufficient designs. The new approach addresses this limitation by integrating soil conductivity and permittivity variability into the model. This allows for a more realistic representation of the interaction between the grounding system and the surrounding environment, improving the reliability of risk assessments and protection planning.

The proposed method utilizes advanced numerical techniques to simulate the propagation of lightning currents and the subsequent electric field distribution in a heterogeneous medium. The results obtained demonstrate greater accuracy compared to simplified models, leading to a better understanding of critical stress points and preferential discharge paths. This improvement in prediction is fundamental for designing safer and more efficient grounding systems, minimizing the risk of damage to sensitive infrastructures and equipment.

The implications of this work are broad, ranging from the protection of power plants and substations to the safety of buildings and telecommunications equipment. The ability to anticipate lightning behavior in complex soils with greater accuracy will allow engineers to optimize the placement and design of ground electrodes, as well as select the most appropriate materials. This advancement lays the groundwork for the development of future, more robust design standards and practices in the field of atmospheric discharge protection.