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Monte Carlo procedure used for the case of a multi-conductor line above ideal andlossy groundClassification of ground flash locationsThe distance of the prospective stroke location from the line y is assumed to beuniformly distributed as far as a value ymax (in m) in Figure B.1. Beyond thisdistance, it is assumed that none of the lightning events can cause a flashover onthe line.From the total set of events, those relevant to indirect lightning within the distancesymin and ymax are selected by adopting a lightning incidence model for the line toestablish ymin.The striking distance model represented by Equation (B.1) is adopted. A comparisonbetween results obtained by adopting other different incidence models has beenpresented in Borghetti et al. [B22].For each indirect lightning event, the maximum induced voltage value on the linefrom the first return stroke is calculated by means of the LIOV code describedabove.
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