Use of Rod Compactors for High Voltage Overhead Power Lines Magnetic Field Mitigation

Fabio Bignucolo, Massimiliano Coppo, Andrea Savio and Roberto Turri
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Fabio Bignucolo: Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
Massimiliano Coppo: Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
Andrea Savio: Department of Industrial Engineering, University of Padova, 35131 Padova, Italy
Roberto Turri: Department of Industrial Engineering, University of Padova, 35131 Padova, Italy

Energies, 2017, vol. 10, issue 9, 1-19

Abstract: In the last decades, strengthening the high voltage transmission system through the installation of new overhead power lines has become critical, especially in highly developed areas. Present laws concerning the human exposure to electric and magnetic fields introduce constraints to be considered in both new line construction and existing systems. In the paper, a technique for passive magnetic field mitigation in areas close to overhead power lines is introduced, fully modelled and discussed through a parametric analysis. The investigated solution, which basically consists in approaching line conductors along the span making use of rod insulators, is applicable on both existing and under-design overhead lines as an alternative to other mitigating actions. Making use of a 3-dimensional representation, the procedure computes both positions of phase conductors and forces acting on insulators, towers, conductors and compactors, with the aim of evaluating the additional mechanical stress introduced by the compactors. Finally, a real case study is reported to demonstrate and quantify the benefits in terms of ground magnetic field reduction achievable by applying the proposed solution, in comparison to a traditional configuration. Furthermore, using compactors to passively reduce the magnetic field is simple to be applied, minimally invasive and quite inexpensive as regards to alternative mitigating actions.

Keywords: compactors; magnetic field passive mitigation; overhead lines; rod insulators; transmission system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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