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This paper proposes a modeling methodology for the prediction of conducted EMI in the context of multi-physics optimizations. The study of the well-known DC-DC buck converter is chosen as illustration to validate this procedure. A bottom-up approach is used to model the entire structure. The modeling of switching cell, passive elements and also Printed Circuit Board (PCB) is presented. Models validation...
Inductive coupling in an electromagnetic interference (EMI) filter are sometimes difficult to evaluate. In this paper, a new analytical model is discussed. This model is based on conformal mapping techniques and allows the calculation of radiated magnetic fields. Thanks to the use of Fourier series, it can be applied to any current distribution around a coil with toroidal ferromagnetic core and reveals...
Magnetic components are widely used in power electronics and are the main cause of electromagnetic couplings. Among them, coils with ferromagnetic cores belong to the class of components that are used the most. However the behavior in terms of radiation and coupling to the environment of these components is not widely explored. This paper defines a more accurate model for coils with toroidal ferrite...
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