Optimal design analysis of grounding grids for substations built in nonuniform soil

PowerCon 2000 - 2000 International Conference on Power System Technology, Proceedings

Volumn 3, Issue , 2000, Pages 1455-1460

  Sun, Weimin ^a   He, Jinliang ^b   Gao, Yanqing ^b   Zeng, Rong ^b   Wu, Weihan ^b   Su, Qi ^c  

^a STATE GRID SHANDONG ELECTRIC POWER RESEARCH INSTITUTE   (China)

^b TSINGHUA UNIVERSITY   (China)

^c MONASH UNIVERSITY   (Australia)

Author keywords

Grounding grid; Nonuniform soil; Optimum arrangement; Potential distribution; Touch voltage

Indexed keywords

COMPRESSION RATIO (MACHINERY); ELECTRIC POWER TRANSMISSION NETWORKS; NUMERICAL METHODS; OPTIMAL SYSTEMS; SOILS;

GROUNDING GRIDS; NON-UNIFORM SOILS; OPTIMUM ARRANGEMENT; POTENTIAL DISTRIBUTIONS; TOUCH VOLTAGE;

ELECTRIC GROUNDING;

EID: 77749253804     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ICPST.2000.898183     Document Type: Conference Paper

References (8)

1. L. Huang, X. Chen, and H. Yan, "Study of unequally spaced grounding grids," IEEE Trans. Power Delivery, Vol.10, No.2, April 1995, pp. 716-722.
2. F. Dawalibi, D. Mukhedkar, "Optimum design of substation grounding in a two layer earth structure, Part I: analytical study," IEEE Trans. Power Apparatus and System, Vol.94, No.2, Mar. 1975, pp. 252-261.
3. F. Dawalibi, D. Mukhedkar, "Optimum design of substation grounding in a two layer earth structure, Part II: comparison between theoretical and experimental results," IEEE Trans. Power Apparatus and System, Vol.94, No.2, Mar. 1975, pp. 262-266.
4. F. Dawalibi, D. Mukhedkar. Optimum Design of Substation Grounding in a two Layer Earth Structure, Part III: Study of Grounding Grids Performance and New Electrode Configuration. IEEE Trans. Power Apparatus and System, Vol.94, No.2, Mar. 1975, pp. 267-272.
5. J. G. Sverak, "Optimized grounding grid design using variable spacing techniques," IEEE Trans. Power Apparatus and System, Vol.95, No.1, Jan. 1976, pp. 362-374.
6. W.M. Sun, J. L. He, R. Zeng, "Influences of seasonal factors on the safety of grounding systems for substations and power plants," Journal of CESS (in Chinese), Vol.20, No.1, Feb. 2000, pp. 15-18.
7. ANSy IEEE Std80-1998, IEEE Guide for safety in AC substation grounding. New York: Institute of Electrical and Electronics Engineers, Inc., 1998.
8. China Electrical Power Ministry DL/T621-1997, Grounding of AC electrical equipment. Beijing: China Electrical and Hydraulic Eng. Press, 1998.