PROJECT TITLE :
Study of the Stray Losses Calculation in Structural Parts for HVDC Converter Transformers Based on the TEAM Problem 21 Family
The stray losses calculation technique proposed by the IEC 61378-2 standard is analyzed during this study. The fundamental stray losses in several currents and the harmonic stray losses of the TEAM Downside twenty one Family members are analyzed to verify the IEC methodology. It is shown that stray losses are approximately proportional to the square of the current, however do not follow the frequency to the ability of 0.8. The IEC technique typically produces giant errors. A corrected calculation method is therefore proposed in this study, in which the magnetic-field distribution is taken into account. The corrected methodology is verified compared with experimental results and the IEC method.
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