Diseño y simulación de una red de tierras para una subestación tipo GIS. (Design and simulation of a grounding grid for GIS substation.)

Gaston Hernández Martínez (ghmtz@yahoo.com)1, Vicente Venegas Rebollar (vvenegasr@yahoo.com.mx)2


1Instituto Tecnológico de Cd. Madero
2Instituto Tecnológico de Morelia

This paper appears in: Revista IEEE América Latina

Publication Date: June 2008
Volume: 6,   Issue: 2 
ISSN: 1548-0992


Abstract:
A grounding grid is designed with the capacity to minimize the very fast transient overvoltage generated during switching operations in a Gas Insulated Substation (GIS). The methodology takes the reference from the IEEE Std. 80-2000 and contains detailed models of GIS and grounding grid. By means an iterative process, new elements are added to the grounding grid for reducing magnitude of a very fast transient overvoltage in different points of a substation. This permits to improve the levels of personal security and the protection of apparatus in the substation.

Index Terms:
Grounding grid, VFTO, GIS, Gas Insulated Substation, very fast transient   


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