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In this paper is presented the behavior of an Active Front End Converter in the presence of power quality problems. After spending a brief review of the problems related to power quality such as [1] voltage sags, harmonics, repetitive conducted noises of common type caused by load switching, distributed generation, power factor correction, and the noise suppression to the grid in the range 2kHz –20kHz...
During the last two decades, the main topic in respect to power quality (beside voltage dips and outages) was and still is harmonic distortion. However, following the development in power electronics with an increasing use of self-commutated converters, problems are shifting slowly to higher frequencies. Voltages with frequencies above the “classical” harmonic range create new challenges and require...
This paper presents a software-based tool for designing passive filters by using an optimization technique. The proposed procedure takes into account the non-convex behavior of any objective function in case of considering harmonics below the tuned frequencies of the filters. In this sense, it is always assured that the optimal filter is obtained with respect to an optimization criterion. The implemented...
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