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The output voltage references in grid connected Voltage Source Converters must be limited according to the available dc voltage to avoid over-modulation and windup of the current controllers. This may be especially critical for Active Power Filters (APFs), since uncontrolled over-modulation can cause unintended harmonics in the output voltage and interfere with the harmonic compensation. This paper...
Droop based control schemes for power electronic converters have been object of extensive research in the last decade and have arguably become the most popular solution for converter control in microgrid applications. The protection from over-currents and over-voltages are critical features of control schemes for converters required to operate in both stand-alone and parallel-connected modes, but...
Stand-alone MicroGrids based on renewable energy sources have emerged as a suitable way of ensuring reliable energy supply in rural areas without access to electricity grids. Planning of such stand-alone grids should ensure systems that provide electricity with high security, reliability and an acceptable impact on the environment, all at a minimum cost. Transition away from traditional use of biomass...
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