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3D MAGNETIC FIELD DISTRIBUTION OF YOKE FLUX IN THREE‐PHASE TRANSFORMERS WITHOUT FERROMAGNETIC TANKS

K. Zakrzewski, B. Tomczuk
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Abstract

The 3D calculation of the monophase flux, due to n‐triple harmonics of the windings currents is considered. For small, three‐phase transformers without ferromagnetic tanks the calculation consists in unbounded problem solution. The 3D magnetic field of the yoke flux outside the magnetic core was analysed numerically by means of integral equations method. Our computer program subroutines, written in Fortran 77, have been implemented to a personal computer. The calculated components of the magnetic flux density were compared with the measured ones. The distribution of the different flux parts was calculated and tested by measurements for a three‐phase transformer.

Citation

Zakrzewski, K. and Tomczuk, B. (1995), "3D MAGNETIC FIELD DISTRIBUTION OF YOKE FLUX IN THREE‐PHASE TRANSFORMERS WITHOUT FERROMAGNETIC TANKS", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 14 No. 4, pp. 141-145. https://doi.org/10.1108/eb051931

Publisher

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MCB UP Ltd

Copyright © 1995, MCB UP Limited

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