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In the context of modern distribution systems, power quality is recognized as a crucial concern that requires advanced technical solutions in order to guarantee the correct operation of such complex systems. Among the power-quality disturbances, waveform distortions are one of the most important due to their impact on the equipment, and active filters are considered a useful technical solution to...
The management of micro grids requires the dynamic harmonic state estimation of the system in order to perform control strategies that optimize waveform distortions. In industrial context, AC and DC devices and sources coexist and, therefore, micro grids can be a hybrid combination of AC and DC power sections. Also for such hybrid AC/DC micro grids optimal control strategies that optimize waveform...
Recent advances in power electronic technology offer potential solutions to several technical and economical problems in distribution networks. In particular, this technology used for interfacing dispersed energy resources to distribution grids has led to the provision of some ancillary services for power quality (PQ) improvement (compensation of waveform distortions, unbalances, and so on). In this...
The paper deals with AC substation inverter control for power quality improvement in high speed railways. The advanced substation configuration, already proposed by the authors in previous publications, has been further improved with reference to compensator configuration, inverter control and parameter identification. The configuration is based upon a two-phase inverter, employing modular topology,...
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