Fuzzy sliding-mode based control (FSMC) approach of hybrid micro-grid in power distribution systems

Abstract This paper presents modeling and control of a hybrid distributed energy sources including photovoltaic (PV), fuel cell (FC) and battery energy storage (BES) in a microgrid which provides both real and reactive power to support a utility grid. The overall configuration of the microgrid including dynamic models for the PV, FC, BES and its power electronic interfacing are briefly described. Then controller design methodologies for the power conditioning units to control the power flow from the hybrid power plant to the utility grid are presented. In order to distribute the power between power sources, the power sharing controller has been developed. The fuzzy sliding-mode control (FSMC) approach is proposed such that it can be applied with advantages to both fuzzy and sliding-mode controller. Simulation results are presented to demonstrate the effectiveness of the control strategy.

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