METHOD FOR EVALUATING THE EXTENT OF THE PROTECTION AREA GRANTED BY A LIGHTNING CAPTURING DEVICE

摘要

The invention relates to a method for evaluating the extent (D) of the protection area granted by a lightning capturing device (1). This method is based on a leader stroke progression model in which each leader stroke is modeled by a succession of electrically charged segments (6, 7, 8, 9, 10, 11, 12, 13, 14, 15). The method is characterized in that it comprises at least one step for verifying the junction between the downward leader stroke (4) and the upward leader stroke (3) during which the electric field is calculated along an imaginary line joining the downward leader stroke (4) and the upward leader stroke (3), and it is verified that this electric field is greater than the minimum electric field necessary for the propagation of the upward leader stroke. The invention also relates to methods for evaluating the extent of the protection area granted by at least one lightning capturing device.