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[3, 2007] 

Journal of Electrical Engineering, Vol 58, 3 (2007) 146-151

LIGHTNING-INDUCED OVERVOLTAGES ON OVERHEAD LINES: MODELLING AND EXPERIMENTAL VALIDATION

Abdenbi Mimouni - Zin E. Azzouz - Boualem Ghemri

   The evaluation of induced overvoltages from indirect lightning has been for more years one of the most important problems in designing and coordinating the protection of overhead power lines. In this paper, we present the frequently coupling model used in the power lightning literature for the calculation of lightning induced overvoltages, the Agrawal approach. The algorithm applies to single conductor line above a perfectly conducting ground. The computation results are first validated by experimental results obtained using a reduced scale line model illuminated by the EMP simulator of the Swiss Federal Institute of Technology in Lausanne (SEMIRAMIS), and then are compared with the computation results obtained by the LIOV code (beta version).

Keywords: lightning induced overvoltages, FDTD, EMC


[full-paper]


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