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Robust control of a single-phase VSI with LCL filter for grid-tie and islanded operation modes applied to PV distributed generation in microgrids environment


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Made available in DSpace on 2018-12-11T17:25:12Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-01-01

This paper introduces a methodology to model and control a single-phase inverter with LCL filter intended for low power PV distributed generation in microgrid scenario. The system should operate in grid connected and island modes with a smooth transition between them. The control strategy is to split the system into two: the internal voltage subsystem and the external injected current subsystem. These two subsystems are modeled in state-space considering disturbances and uncertain parameters. By using linear matrix inequalities (LMI) two state-feedback H∞ controllers are designed. The complete simulation results demonstrate the feasibility of the proposed control system.

São Paulo State University - UNESP, Power Electronics Laboratory

Federal Technological University of Paraná - UTFPR, Electrical Engineering Department

São Paulo State University - UNESP, Power Electronics Laboratory

Document Type Other
Language English
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