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The wind power generation system connected to DC line has been investigated recently. We have proposed new converter exciting induction generator system for dc output to reduce the system cost. This paper shows that the rating of the converter can be reduced by using the 3rd harmonic injection control. 3rd harmonic injection control can increase the ac output voltage with same dc voltage. Both experimental...
Due to new grid codes for grid connected photovoltaic power generation, since 2012 PV inverters have to be able to feed in reactive power down to a power factor of cos(ϕ) = 0.9 besides their normal operation with pure active power [1]. In this paper the influence of different semiconductors on the power losses as function of the power factor will be studied on the base of a three-level MNPC topology...
Because of the rapid increase of distributed generation, active voltage regulation becomes relevant for low voltage networks. In this paper, several power electronic voltage regulation approaches are presented and compared to each other through a Monte-Carlo-based network analysis. The focus of the investigation is on a series voltage regulator, for which simulation results and experimental results...
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