5Enrique B,,ngeles C, Andr6s M E, et al. The extremal charges method in grounding grid design E J- IEEE Transactions on Power Delivery, 2004,1 ( 19 ) .. 118 123.
6Vahidi B, Tayebifar H, Alborzi M J. Application of charge simulation method for investigation of effects of the trees on lightning protection of structures[J]. Jour- nal of Electrostatice,2008,66(3) ..229 233.
7Mazen A S, Hassan M A. Transmission-line electric field induction in humans using charge simulation method[J]. IEEE Transactions on Biomedical Engi- neering, 1995,42(11) :1105-1109.
8Adel Z E D,Wahab A A, Hamada M. Computation ofelectric field and human body induced current under overhead transmission lines[C]//Chemnitz, Germany: International Multi-Conference on Systems, Signals and Devices, 2010.
9Rankovic A, Savic M S. Generalized charge simulation method for the calculation of the electric field in high voltage substations[J]. Electrical Engineering, 2010,92 (2) 69-77.