Adaptive slope voltage control for distributed generation inverters with improved transient performance
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Reactive power injection in distributed generation inverters is an useful ancillary service for grid supporting purposes. For grid-feeding converters, the slope control method is the most common voltage regulation strategy used in local (communication-less) applications. Despite its simplicity, this method offers limited dynamic properties in scenarios with changing operation conditions. In this sense, this paper presents an adaptive slope voltage control which provides an improved transient performance against operating variations. To derive the control configuration, a control-oriented mathematical model is developed. The accuracy of the modeling and the performance of the proposed control are validated by selected experimental results.
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CitationRey, J. M. [et al.]. Adaptive slope voltage control for distributed generation inverters with improved transient performance. "IEEE transactions on energy conversion", 9 Abril 2019, vol. 34, núm. 3, p. 1644 - 1654.