This paper presents a three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator, where a wind power generator is connected to the grid through the back-to-back converter. The converter regulates the power extracted from the generator and controls how this power
is injected to the grid with the desired power factor. Two phase locked loops are in charge of synchronizing the generator-side and the grid-side converters, regardless of the rotor speed of the generator. DC-link neutral point voltage balance is performed by the modulation strategy of the back-to-
back converter. Simulation and experimental results are provided to verify the correct performance of the system.
CitationCalle, A. [et al.]. Three-level three-phase neutral-point-clamped back-to-back converter applied to a wind emulator. A: 13th European Conference on Power Electronics and Applications. "13th European Conference on Power Electronics and Applications". Barcelona: 2009, p. 1-10.
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