
Los Sistemas de aterramiento deben conducir a tierra la corriente de falla las corrientesprovocadas por las descargas atmosféricas, la cual se comporta como una onda de impulso ypor lo tanto el sistema está gobernado por su impedancia característica.Bajo estas condiciones esta impedancia de conexión a tierra tiene un comportamiento dinámico.En este trabajo se propone un método de cálculo basado en la teoría de los circuitos eléctricosque permite obtener la variación que experimenta en el tiempo la impedancia de conexión atierra, la cual está compuesta de dos componentes fundamentales, una impedancia de conexióny una impedancia de propagación cuya combinación es la impedancia total del sistema. Losresultados obtenidos, fundamentalmente en cuanto a la forma de variación de la de impedancia,son similares a los obtenidos por otros autores. The Grounding Systems should lead to earth the current of fault and the provoked currentsfor the lightning, which it behave like a wave of impulse and therefore the system is governedby their characteristic impedance.Under these conditions this impedance of setting to earth has a dynamic performance. Thispaper proposes a method of calculation based on the theory of the electric circuits that allowsto obtain the variation of this impedance, which it is a combination of two fundamentalcomponents, an impedance of connection and an impedance of propagation, whose combinationis the total impedance of the system. The obtained results, fundamentally as for the form ofvariation of that impedance, are similar to them obtained by other authors.
Impedancia de puesta a tierra, TK1001-1841, Grounding Impedance, Production of electric energy or power. Powerplants. Central stations, Electrical engineering. Electronics. Nuclear engineering, Grounds, tierras, TK1-9971
Impedancia de puesta a tierra, TK1001-1841, Grounding Impedance, Production of electric energy or power. Powerplants. Central stations, Electrical engineering. Electronics. Nuclear engineering, Grounds, tierras, TK1-9971
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