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ADVANCED TOPICS IN ELECTRICAL ENGINEERING – ATEE 2017

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Vertical Earth Grounding Design Using Optimal Criteria

Properly sizing of earth grounding is a current issue of designers, because successive iterations required, which are determined by the nonlinearity calculating relations on the one hand and their complex structure, on the other hand. Continuing sizing methods improvement of the earth grounding, the paper applies three optimization criteria targeting the footprint minimizing, the total volume and mass of the earth grounding conductive elements. Identifying an analytic function for f(ne) which introduces the use coefficient dependence of the electrodes number ne, known so far only tabular allowed a more extensive analytical treatment of the suggested optimal criteria. The obtained results led to some observations and conclusions that can have significant technical and economic effects, in the earth grounding optimal design.

Author(s):

Virgil MAIER    
Technical University of Cluj-Napoca
Romania

Sorin Gheorghe PAVEL    
Technical University of Cluj-Napoca
Romania

Horia Gheorghe BELEIU    
Technical University of Cluj-Napoca
Romania

Constantin Sorin PICA    
Technical University of Cluj-Napoca
Romania

 

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