Project supported by National Basic Research Program of China (973 Program) (2011CB209400), National Fligh-tech Research and Developmerit Program of China (863 Program (2011AA040405), National Natural Science Foundation of China (Ul134106), 3551 Optics Valley Personal Plan of Wuhan East Lake High-tech Development Zone, Science and Technology Program of SGCC(SG[2009], SG[2013]).
In recent years,along with the rapid expansion of power grids,the increasing complication of grid structures,and the development of smart grids and energy technologies,the lightning protection of power grids becomes i...