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In this paper, after explaining the reasons why some players asked to standardize also the 3–150 kHz EMC maximum acceptable range, we describe the type of disturbances depending on the frequency range and on the type of equipment that can generate such disturbances. Furthermore, we illustrate the different methods to reduce them. In particular, we explain a method to design a suitable passive filter...
In this paper the behavior of an Active Front End Converter in the presence of non-repetitive notches is presented. The presented Active Front End. An overview of the simulation model of the Active Front End is given together with the control principle. Different conditions of non-repetitive notches are studied and simulation results are presented in this paper.
In this paper, a back-electromotive force-based method is used in conjunction with three very low-cost integrated circuits based on the Hall-effect to estimate the rotor position of the direct-drive permanent-magnet synchronous motors (PMSMs) to be used for traction purpose of an electric wheelchair. A speed estimator based on a rotor frame machine model has been implemented for the PMSM drives, and...
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