Design Evaluation of Novel Integrated Magnetics
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A novel integrated magnetic transformer in vertical structure and a horizontal transformer, both are hosting the resonant tank for LLC resonant converters, are evaluated. The transformers have a power rating between 1 kW and 1.5 kW with an operating frequency of 75 kHz to 200 kHz depending on design and core material. To evaluate the performance of the introduced transformer, three prototype transformers including two novel structures and one conventional structure, have been fabricated. In comparison to conventional integrated structures a volume reduction of up to 50 % can be achieved. In order to analyse the models to each other, Finite Element Method (FEM) was employed to investigate the AC losses and current distribution in high frequency.
IEEE International Magnetics Conference, INTERMAG Europe 2014
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Power and Energy Systems Engineering (excl. Renewable Power)