4RACH1DI F, NNCCI C A, IANOZ M, et al. Influence of lossy ground on lightning induced voltages on overhead linesI-J]. IEEE Transactions on Electromagnetic Compatibility, 1996,38(3) :250.
5RACHIDI F,NUCCI C A, IANOZ M. Transient analysis of multi- conductor lines above a lossy ground[J]. IEEE Transactions on Power Delivery, 1999, l 4 ( 1 ) : 294.
6SEMLEN A. Ground return parameters of transmission lines anasymptotic analysis for very high frequencies [J]. Power Apparatus & Systems IEEE Trans actions, 1981 (3) : 1031.
7THEETHHAYI N, LIU Y, MONTANO R, et al. On the influence of conductor heights and lossy ground in multiconductor transmission lines for lightning interaction studies in railway overhead traction systems [J].Electric Power Systems Research,2004,71 (2) : 186.
8THEETHAYI N, LiU Y, MONTANO R, et al. A theoretical study on the consequence of a direct lightning strike to electrified railway system in Sweden [J]. Electric Power Systems Research, 2005,74 (2) : 267.
9ENGEL T G, DONALDSON A L, KRISTIANSEN M. The pulsed discharge arc resistance and its functional behaviour [J]. IEEE Transactions on Plasma Science, 1989, 17 (2) : 323.