LEMP Effects on Lossy Multiconductor Power Lines with Ground Wires and Non-Linear Loads
Publish place: 15th International Power System Conference
Publish Year: 1378
Type: Conference paper
Language: English
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Document National Code:
PSC15_051
Index date: 23 September 2007
LEMP Effects on Lossy Multiconductor Power Lines with Ground Wires and Non-Linear Loads abstract
In the paper overvoltages produced on multiconductor power lines by indirect lightning are analysed. In particular, the case of power lines with ground wires terminated on non-linear loads is studied. The power line is represented by an equivalent time-domain m-port and the
effects of the lightning excitation are represented through equivalent independent sources. This equivalent time-domain circuit allows treating easily non-linear terminations such as surge arresters. Using the above procedure, simulations have been carried out in order to evaluate the shielding effect of the ground wires and to analyse the effects of surge arresters. The results have been compared to those available in the literature and to measurements.
LEMP Effects on Lossy Multiconductor Power Lines with Ground Wires and Non-Linear Loads Keywords:
LEMP Effects on Lossy Multiconductor Power Lines with Ground Wires and Non-Linear Loads authors
Andreotti
Member, MEE, U. De Martinis, Member WEE, F. Gagliardi, D. Lauria Dipartimento di Ingegneria Elettrica, Universita Federico II di Napoli Italy
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