A New Approach to Determine Eddy Current Losses in the Tank Walls of a Power Transformer

Szabados, B.; Nahas, I. El; Sobki, N. S. El; Findlay, R.D.; Poloujadoff, M.

doi:10.1109/tpwrd.1987.4308183

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2002

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Cited by 12 publications

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“…The design of large power transformers requires the determination of stray load losses due to the leakage magnetic flux as accurately as possible (Bolte and Lipinski, 1983;Szabados et al, 1987;Valkovic, 1980). Apart from the core and winding losses, the losses in the steel tank wall and the core clamping construction represent the largest components of stray load losses.…”

Section: Introductionmentioning

confidence: 99%

Calculation of eddy current losses in metal parts of power transformers

Schmidt

Hamberger²,

Seitlinger³

2003

COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering

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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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Section: Introductionmentioning

confidence: 99%