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Protection Systems Against Lightning-Originated Overvoltages in Resonant Grounded Power Distribution Systems

version 1.0.1 (22.8 KB) by n.sene

A joint research project between AES Sul, the Federal University of Itajubá and the University of Bologna aims at defining the required protections against lightning-originated overvoltages in a resonant grounded distribution system in order to achieve the adequate lightning performance level with minimum cost. The paper aims at illustrating the effectiveness of the presence of a surge arrester or spark gap and their protective zone by means of simulations obtained with a computer code for the calculation of lightning induced voltages that takes also into account the steady-state voltage. The results of a statistical analysis for a single multiconductor line are eventually presented and discussed.

Authors: A. Borghetti, F. Napolitano, C.A. Nucci, M.L.B. Martinez, G.P. Lopes, J.I.L. Uchoa

2012 International Conference on Lightning Protection (ICLP), Vienna, Austria

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