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In the last decades, multilevel converters have been developed usually for medium-voltage high-power applications. They have become a mature solution for the increasing power demand of multiple applications such as renewable energy systems, power quality improvement, and motor drives. In this paper, the operation of multilevel converters is addressed focusing on control and modulation techniques for...
This paper describes selected issues concerning realization of energy storage system (ESS) designed to operate in power distribution system. In order to achieve scalability of the system a modular approach is proposed. In addition to this different configuration of the system are analyzed, where depending on requirements and application a scalability in power, in energy capacity of energy storage...
This paper presents a comprehensive review of power quality challenges under high penetration rate, fluctuation and imprecise prediction of incoming energy provided from different types of renewable sources. Power electronics devices such as active and hybrid filters topologies as well as different harmonic extraction techniques, and advanced type of controllers are classified, evaluated and discussed...
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