6Lee A C L.An operation systemforthe remotelocation oflighthingflashes using a VLF arrival time difference technique[J].Journal of Atmospheric and Oceanic Technology,1986,3(4):630-642.
7MA Ming,TAO Shanchang,ZHU Baoyou,et al.The anomalous variation of the lighthing activity in southern China during the 1997/98 EI Nino event[J].Science in China D:Earth Sciences,2005,48(9):1537-1547.
8IEEE.Guide for improving the lighting performance of transmission lines[S].IEEE:Std 1243,1997.
9IEEE.Protection against lightning:Part 2:Risk management[S].IEEE:Std 62305-2,2006.
10Hasse P. Overvoltage protection of low voltage systems. England:TJ International Ltd,1998. 129-286
