2Huang W G. Lightning performance of 500 kV double-circuit line schemes for the three-gorge project[J]. IEEE Transactions on Power Delivery, 2006, 21(2): 736-743.
3He J L, Gao Y Q, Zeng R, et al. Effective length of counterpoise wire under lightning current [J]. IEEE Transactions on Power Delivery, 2005, 20(2): 1585-1591.
4Protection against lightning, part 1, general principles: IEC 62305-1:2005[S], 2005.
5He J L, Tu Y P, Zeng R, et al. Numerical analysis model for shielding failure of transmission line under lightning stroke[J]. IEEE Transac- tions on Power Delivery, 2005, 20(2): 815-822.
6Takami J, Okabe S. Observational results of lightning current on transmission towers[J]. IEEE Transactions on Power Delivery, 2007, 22(1): 547-556.
7Petrov N I, Petrova G N, Alessandro F D. Quantification of the proba- bility of lightning strikes to structures using a fractal approach[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2003, 10(4) 641-654.
8Takami J, Okabe S. Characteristics of direct lightning strokes to phase conductors of UHV transmission lines[J]. IEEE Transactions on Power Delivery, 2007, 22(1): 537-546.
9交流电气装置的过电压保护和绝缘配合设计规范:GB/T50064-2014[S],2014.
10IEEE recommended practice for overvoltage and insulation coordina- tion of transmission systems at 1 000 kV AC and above: IEEE Std 1862 TM-2014[S], 2014.