Underground Power Cables In Urban Areas:
Of The Magnetic Field
A Simple Technique For The Passive Shielding
Author(s)
L. Battistelli, A. Geri, P. Prignani & G.M. Veca
Abstract
L. Battistelli1, A. Geri1, P. Prignani2 & G. M. Veca1
1Department of Electrical Engineering,
University of Rome \“La Sapienza”, Italy
2Provincia di Roma, Dipartimento n. 2 \“Ambiente”,
Servizio n. 3 \“Tutela dell’aria”, Rome, Italy
Abstract
In this paper the authors propose a parametric analysis in order to estimate the
magnetic pollution due to typical flat configurations of underground power cable
lines layed in urban areas. They also investigate the performances of open or
closed shields, made of conductive or magnetic materials, in order to reduce the
magnetic pollution due to existing installations or new installations. Numerical
procedures, based on a finite element model, are applied to develop efficient
shielding techniques in a real-life example, consisting of a typical flat
configuration of a three phase 150 kV underground power cable line placed in an
urban area. Finally, an attempt to carry out new criteria and guidelines for the
optimal design of simple shielding configurations has be
Keywords
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