Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/35521
Title: Numerical analysis and optimization of lobe-type magnetic shielding in a 334 MVA single-phase auto-transformer
Authors: Li, L
Fu, WN 
Ho, SL 
Niu, S 
Li, Y
Keywords: Auto-transformer
Lobe-type magnetic shielding
Short-circuit impedance
Stray losses
Issue Date: 2014
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE transactions on magnetics, 2014, v. 50, no. 11, 6971762 How to cite?
Journal: IEEE transactions on magnetics 
Abstract: In this paper, the influences of the lobe-type magnetic shielding in a transformer in terms of its leakage fields, stray losses in structural parts, shielding losses, and short-circuit impedance are examined using 3-D non-linear frequency-domain finite element method. An ODFS-334 MVA/500 kV single-phase auto-transformer is used as the prototype model under study. The magnetic shielding geometry of the transformer is optimized with its stray losses minimized based on 3-D non-linear finite element analysis. To validate the feasibility of the proposed model and method, experimental data and simulation results are compared and reported.
URI: http://hdl.handle.net/10397/35521
ISSN: 0018-9464
DOI: 10.1109/TMAG.2014.2326465
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