Author： Schmidt Erich Hamberger Peter Seitlinger Walter
Publisher： Emerald Group Publishing Ltd
ISSN： 0332-1649
Source： COMPEL: Int J for Computation and Maths. in Electrical and Electronic Eng., Vol.22, Iss.4, 2003-12, pp. : 1102-1114
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Abstract
To maintain quality, performance and competitiveness, the eddy current losses in metal parts of power transformers in the range of 50-200 MVA are investigated in a more detailed form. The finite element calculations utilize different modelling strategies for the current carrying metal parts. Several global and local results are further used to obtain simplified calculation approaches for an inclusion in the initial design and the design optimization. The results from two finite element approaches using nodal and edge based formulations will be compared with measurements.
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