Conference paper

Indirect-lightning performance of distribution lines: Influence of protection devices

For an improved assessment of the indirect-lightning performances of distribution systems, the real configuration of the system, which means the topology, the presence of protection devices such as surge arresters and shielding wire/neutral groundings, must be taken into account. In this paper, the indirect lightning performance of a distribution line with realistic configuration is evaluated by means a statistical procedure based on the Monte Carlo method. Accurate models are used to evaluate the lightning induced overvoltages, in order to estimate the effects of arresters spacing and characteristics. Results relevant to a line length of 100 km, as it is often presented in the power/lightning literature, appear to be not as useful as those relevant to the real system of interest. ©2006 IEEE.

    Keywords: Induced overvoltages ; Lightning performance of distribution lines ; Lightning statistics ; LIOV code ; Monte Carlo method ; Surge arresters ; Electric power distribution ; Electric shielding ; Lightning arresters ; Monte Carlo methods ; Surge protection ; Topology ; Neutral groundings ; Electric lines


    Department of Electrical Engineering, University of Bologna, 40136 Bologna, Italy EMC Group, Power Systems Laboratory, Swiss Federal Institute of Technology (EPFL), Lausanne, 1015, Switzerland, Conference code: 69732, Export Date: 25 April 2012, Source: Scopus, Art. No.: 1668536, doi: 10.1109/TDC.2006.1668536, Language of Original Document: English, Correspondence Address: Borghetti, A.; Department of Electrical Engineering, University of Bologna, 40136 Bologna, Italy, References: Rusck, S., (1977) Protection of distribution systems, Lightning, 2. , Ed. R.H. 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