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Revista Facultad de Ingeniería Universidad de Antioquia
versión impresa ISSN 0120-6230
Resumen
MURILLO-YARCE, Duberney; GARCES-RUIZ, Alejandro y ESCOBAR-MEJIA, Andrés. Passivity-Based Control for DC-Microgrids with Constant Power Terminals in Island Mode Operation. Rev.fac.ing.univ. Antioquia [online]. 2018, n.86, pp.32-39. ISSN 0120-6230. https://doi.org/10.17533/udea.redin.n86a05.
This paper presents a Passivity Based Control (PBC) for a dc microgrid. PBC is commonly used in electrical systems such as power electronics converters and electric machines, but there are few applications in microgrids operating in island mode. PBC is based on properties of passive systems and energy exchange between subsystems. The proposed strategy performs primary and secondary control of the hierarchical architecture. Local communications and measurements are needed at the nodes where dc/dc converters are placed. Simulation studies are performed in MATLAB to validate the control in a realistic test system composed of renewable energies sources, loads and energy storage units. Results show that the proposed control ensures stability and fast response of the dc-bus voltage under different operating conditions.
Palabras clave : DC-microgrid; passivity; passivity based control; Hamiltonian structure; stabilization.