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:**A finite formulation for 3-D eddy current problems in unbounded domains is presented. This approach is based on the discrete magnetic vector potential to model conducting regions and on the magnetic scalar potential to model free space. In order to avoid meshing of the air region, integral boundary conditions coupling Dirichlet and Neumann data are used. A numerical strategy based on the Schur complement approach is used in order to improve the convergence properties of the iterative solver. Simulation results show that the proposed approach is both fast and accurate.IEEE Transactions on Magnetics 07/2008; · 1.42 Impact Factor - [Show abstract] [Hide abstract]

**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

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