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This paper presents an active damping method in natural frame for a three-phase voltage source inverter with LCL filter. The proposed method is based on the pole placement technique via Ackermann's formula. This approach is used to obtain the proper sliding surface vector coefficients to emulate a virtual resistor in series with the capacitor filter. Besides a well-known method in the literature have been used to obtain three decoupled controllers in natural frame. The stability is theoretically studied and experimental results shows the validity of this proposal.
CitationGuzman, R., Garcia de Vicuña, J., Morales, J., Momeneh, A., Miret, J., Torres, J. Active damping based on Ackermann's formula for a three-phase voltage source inverter with LCL filter. A: Annual Conference of the IEEE Industrial Electronics Society. "Proceedings of 41th Annual Conference on IEEE Industrial Electronics Society (IECON 2015)". Yokohama: 2015, p. 1217-1222.
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