Modeling and control of a small hydro-power plant for a DC microgrid
Universidad Tecnológica de Bolívar
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This paper presents the modeling and control of a small hydro-power plant (SHP) for a DC microgrid based on passivity theory. The SHP is made up of a turbine, a permanent magnet synchronous generator (PMSG), a voltage source converter and a DC microgrid. The electrical, mechanical and hydraulic dynamics in the mathematical model of the SHP are considered. We employ a nonlinear controller based on passivity, whose stability is guaranteed under practically reasonable assumptions. Our simulation results show better performance of the proposed controller when compared with a PI controller in all of the scenarios that were considered. © 2019 Elsevier B.V.
This work was supported in part by the Administrative Department of Science, Technology and Innovation of Colombia (COLCIENCIAS) through the National Scholarship Program under Grant 727-2015 , and in part by the Universidad Tecnológica de Bolívar under Project C2018P020.
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