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Earthing Design for 220/66 KV Hybrid (AIS and GIS) Sub-Station


Hetal Desai, Prakruti Shah
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Main purpose of this paper is designing safe and cost effective grounding systems for 220/66 KV Hybrid (AIS/GIS) substation situated at such locations where soil of the substation site is not uniform. Standard equations are used in the design of earthing system to get desired parameters such as touch and step voltage criteria for safety, earth resistance, grid resistance, maximum grid current, minimum conductor size and electrode size, maximum fault current level and resistivity of soil. By selecting the proper horizontal conductor size, vertical electrode size and soil resistivity, the best choice of earthing design for safety can be performed.

Hetal Desai, Prakruti Shah

Substation, GIS, AIS, step and touch potential, GPR.

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Publication Details

Published in : Volume 2 | Issue 4 | July-August - 2016
Date of Publication Print ISSN Online ISSN
2016-08-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
488-493 IJSRSET1624105   Technoscience Academy

Cite This Article

Hetal Desai, Prakruti Shah, "Earthing Design for 220/66 KV Hybrid (AIS and GIS) Sub-Station", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 4, pp.488-493, July-August-2016.
URL : http://ijsrset.com/IJSRSET1624105.php