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This paper presents a DSP method that allows decomposing conducted electromagnetic interference (EMI) emissions from different sources in large power electronics systems. The estimation process is carried out by a number of Wiener filters (WFs), which represent all different converter states. These are determined by initial commutation event conditions and… (More)
This paper describes how the use of a specific signal processing method can help to estimate and understand the Electromagnetic Interference (EMI) generation of a switched mode power supply. This method allows to estimate, from EMI measurements, the different transfer functions between each source of disturbance and the disturbances themselves. Thus, the… (More)
This paper presents a half-order modelling approach applied to a saturated ferromagnetic sheet. Several analytical models are then developed and compared for 1D formulation. In order to identify parameters and valid such models, the saturated ferromagnetic sheet has been simulated using Flux® finite element simulation software.