Article

# A Boundary Integral Formulation on Unstructured Dual Grids for Eddy-Current Analysis in Thin Shields

Dipt. di Ingegneria Elettrica, Padova Univ.

IEEE Transactions on Magnetics (Impact Factor: 1.42). 05/2007; DOI: 10.1109/TMAG.2006.890948 Source: IEEE Xplore

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**ABSTRACT:**Export Date: 19 July 2012, Source: Scopus, CODEN: CODUD, doi: 10.1108/03321640810847742, Language of Original Document: English, Correspondence Address: Moro, F.; Dipartimento di Ingegneria Elettrica, Università di Padova, Padova, Italy; email: moro@die.unipd.it, References: Alotto, P., Guarnieri, M., Moro, F., A boundary integral formulation on unstructured dual grids for eddy current analysis in thin shields (2007) IEEE Trans. on Magnetics, 43 (4), pp. 1173-6;COMPEL International Journal of Computations and Mathematics in Electrical 01/2008; 27(2):460-466. · 0.28 Impact Factor -
##### Conference Paper: Magnetic shielding of MV/LV substations: Numerical modeling and experimental validation

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**ABSTRACT:**A three-dimensional integral procedure based on the cell method and suitable for simulating non-magnetic shields has been proposed recently. Its validation against systematic measurements is here presented. A good agreement between computed and measured magnetic field RMS values confirms that the proposed integral procedure can be used confidently in designing shielding apparatuses for MV/LV substations.Universities Power Engineering Conference, 2008. UPEC 2008. 43rd International; 10/2008 -
##### Conference Paper: Mitigation of residential magnetic fields generated by MV/LV substations

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**ABSTRACT:**The design of a magnetic shielding arrangement for an indoor substation is considered. The aim of the intervention is to reduce the magnetic field intensity inside a room above the substation. Stray fields are mitigated by using metallic screens and by rearranging LV cables in order to limit intervention costs. A three-dimensional electromagnetic analysis of stray fields is performed by means of an original integral code, whereas a two-dimensional FEM software is used for assessing the shielding performance locally, in proximity of LV cables. Simulations show that the highest field attenuation levels are attained when phases of conductors and transformers are arranged in optimised configurations. The developed procedure is then applied to design a magnetic shield for a MV/LV substation. It is shown that measured and computed field r.m.s. values of the magnetic flux density are in good agreement.Universities Power Engineering Conference, 2007. UPEC 2007. 42nd International; 10/2007

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