Feasibility Study and Design of a Flywheel Energy System in a Microgrid for Small Village in Pacific Island State Countries
Résumé
In Pacific Island Countries (PICs), energy supplies depend on fossil fuel (FF), with few exceptions. However, since the associated populations are often scattered among different settlements in remote locations, renewable energy sources (RES) are increasingly meeting their electrical production power demands. Contrary to FF generated power, RES vary with season, time and weather conditions. Consequently, to maintain stability, reliability and power quality, energy storage is a key consideration for a viable RES set-up. Despite, there being many different kinds of energy storage system, a flywheel energy storage system (FESS) appears to be highly suitable for the microgrid (MG), because of their minimal environmental impact (green energy storage) and high cycle life when compared with other storage energy devices such as batteries. This chapter presents a detailed overview of the feasibility, design and control strategy of a FESS for MG applications. The fundamental developments are as follows: first, to design a suitable flywheel in order to increase reliability and stability of the power in the RES. Second to design a control technique for the FESS based on a nonlinear observer integrated with total least squares (TLS).