| Issue |
MATEC Web of Conferences
Volume 59, 2016
2016 International Conference on Frontiers of Sensors Technologies (ICFST 2016)
|
|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 5 | |
| Section | Power system | |
| DOI | https://doi.org/10.1051/matecconf/20165902003 | |
| Published online | 24 May 2016 | |
A New Method of Grounding Grid Design
1 Jiaozuo Power Supply Company, State Grid Henan Electric Power Company, Jiaozuo, China
2 North China Electric Power University, Baoding, China
In order to equalize the electric potential distribution of the grounding grid surface, and improve the safety level of the grounding grid, method for optimal arrangement of conducts in the grounding grid is proposed in this paper. The calculation results about maximum touch voltages and mesh potentials show that the method can reduce touch voltage and equilibrium surface potential. It is shown that the design of the grounding grid is related to not only the soil environment, but also the rectangular shape. Comparing with other methods, the method proposed in the paper can reduce maximum touch voltage about 12%. This method also can be applied in a uniform and non-uniform soil, rectangular and square grounding grids. The optimize effect meets the related standards of the power industry.
© Owned by the authors, published by EDP Sciences, 2016
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