2Pontificia Universidad Catolica de Chile, PUC, Vicuna Mackena 4860, Macul, Santiago, Chile 3University of Wisconsin-Madison, Wisconsin, USA;
Department of Electrical Engineering, North China Electric Power University, Baoding, China;
School of information & Electronic Engineering, Beijing Institute of Technology, Beijing;
Cascading; Failure; Poisson; Power; Law; Branching; Process; Generalized; Poisson; Borel-Tanner;