Numerical Treatment of Time Varying Magnetic Fields in Power Transformers by Using the Boundary Element Method (BEM)

Christian Bollmann
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Christian Bollmann: Universität der Bundeswehr Hamburg, Fachgebiet für Elektrische Energieversorung und Hochspannungstechnik

A chapter in High Performance Computing in Science and Engineering ’99, 2000, pp 424-432 from Springer

Abstract: Abstract It is possible to calculate the leakage inductances of power transformers from their blueprints by using the boundary element method. Empirical values are not needed. The resulting dense systems of linear equations with up to 100000 unknown variables can be solved by using block matrices. Since it is possible to describe the greatest part of all windings of power transformers, the calculated leakage inductances differ only less than two and a half percent from measured values by the manufacturer.

Keywords: Boundary Element; Boundary Element Method; Power Transformer; Iron Core; Block Matrice (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-59686-5_40

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DOI: 10.1007/978-3-642-59686-5_40

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