Core losses calculation of nanocrystalline alloy high frequency transformer considering magnetic hysteresis effects

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Conference Proceeding
2017 20th International Conference on Electrical Machines and Systems, ICEMS 2017, 2017
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© 2017 IEEE. Core losses of nanocrystalline alloy high frequency transformer (HFT) are calculated by adopting the finite element method with magnetic hysteresis effects considered. A normal Preisach model is used to represent the magnetic hysteresis during the numerical simulation. The normal Preisach model features with simple formulations and easy parameters identification. A dynamic circuit model of laminated magnetic cores for high frequency operation is used to calculate the core losses. Results are compared between the finite element method (FEM) and magnetic circuit method to prove the accuracy of finite element method, and it also provides a more accuracy way and general to compute the core loss of magnetic cores.
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