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The trend in wind turbines has shown an ongoing power rating growth, reaching sizes up to 10 MW. Multilevel converters have therefore become a favourable solution for Multi-MW Wind Energy Conversion Systems (WECSs), due to high efficiency, reliability, controllability and the ability to reach high power/voltage ratings. Moreover, stringent grid codes to regulate the connection of WECSs to the electrical...
The incorporation of high power rate Wind Energy Conversion Systems (WECS) have significant influence in the stability, power quality and reliability of the electrical grid. Therefore, strict grid codes have been developed during the last years in order to enhance overall stability of the systems. Thereby Low Voltage Ride Through (LVRT) requirements is a key issue for WECS. In order to test the response...
The increased penetration of renewable energy systems (RESs) rises the concern about the stability and power quality of the utility grid. Therefore, some rather strict grid requirements for Low Voltage Ride-Through (LVRT) have been produced. In order to verify the response of RES under grid-voltage sag conditions, a Voltage Sag Generator (VSG) is needed. This paper presents a 5 kVA Matrix Converter...
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