Fuzzy Logic Control Strategy for a Grid-Connected Wind System with a Battery Energy Storage

This research project deals with the development of Fuzzy Logic Control (FLC) strategy for a grid-connected wind system with a battery energy storage. The main features are to catch the maximum power from the wind by generating an efficient duty cycle, ensure a constant DC-link voltage, maintain the amplitude and frequency of the grid, and balance the power flow within the system irrespective of fluctuating wind conditions and load demand. The developed control strategies have been validated via extensive computer simulations employing the matlab simpower systems tool. The proposed Fuzzy Maximum Power Point Tracking (FMPPT) control strategy has a higher overall control efficiency. The Fuzzy-PI (F-PI) controller gives more elevated output energy and presents a good transient performance and insensitivity to wind fluctuations and load variation than when considering the PI controller.