2Dawalib F P, Mukhedkar D. Parametric analysis of grounding system. ANS//IEEE Std 80 -1 986, Appendix E, 1986:207.
3Dawalibi F P. Measurements and computations of the performance of greunging systems buried in multilayer soils.IEEE Trans on Power Delivery, 1991, 6(11):1483.
4Dawalibi F P, Ma J, Southey R D. Behaviour of grounding systems in multilayer soils:a parametric analysis. IEEE Trans on PWRD, 1994, 9(1):3.
1Heppe R J. Computation of potential at surface above an energized grid or other electrode, allowing for nonuniform current distribution, IEEE Tran on PAS,Vol.PAS-1998, (6) : 1978-1987,1979.
2Nagar P R, Velazquez R et al. Review of analytical method for the performance of large grounding elec-trodes, part I. theoretical consideration. IEEE Trans on PWRD, 1985,104(11):3124-3130.
3Sakis A P, Xia Feng et aL An advanced computer model for grounding system analysis. IEEE Trans on PWRD, 1993 ,104 (11):13-21.
4Chow Y L, Yang J J and Srivastava K D. Complex images of a ground eletrode in layered soils. Journal of Applied Physics,Jan. 15,1992. 569-574.
6Dawalibi F,Mukhedkar D.Optimum design of substation grounding in a two layer earth structure,part I:analytical study [J].IEEE T-PAS,1975,94(2):252-261.
7Dawalibi F,Mukhedkar D.Optimum design of substation grounding in a two layer earth structure,part II:comparison between theoretical and experimental results [J].IEEE T-PAS,1975,94(2):262-266.
8Dawalibi F,Mukhedkar D.Optimum design of substation grounding in a two layer earth structure,part III:study of grounding grids performance and new electrode configuration [J].IEEE T-PAS,1975,94(2):267-272.
9Huang L,Chen X,Yan H.Study of unequally spaced grounding grids [J].IEEE Trans on PWRD,1995,10(5):716-722.
10ANSI/IEEE Std80-1998.IEEE Guide for Safety in AC Substation Grounding [S].New York:Institute of Electrical and Electronics Engineers,Inc,1998.