On the Impact of DC Magnetization on Core Losses: A Model Based on Extensive Experimental Results from the MagNet Database
2023 25TH EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, EPE'23 ECCE EUROPE(2023)
摘要
In this work, an analysis of DC magnetization core loss modelling based on experimental core loss data is presented. First, an analysis of the available core loss data from the MagNet database is presented, where the dependencies of the losses in regards of frequency, flux density, and DC magnetization are demonstrated. Then, an equation resembling the displacement factor is introduced to model the effect of the DC magnetization in the losses. Using the experimental data available from the MagNet core loss database, the necessary coefficients to define the losses are extracted, and fitted to polynomial planes as functions of frequency and flux density. Lastly, the model is validated presenting a detailed analysis of the model accuracy at different conditions.
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关键词
"Core loss modelling","Core loss","Magnetic device"
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