Summary
A novel dual mode wind turbine driven hybrid energy storage scheme with electromagnet based mode changing operation is proposed in this article. The hybrid storage system includes a pump storage hydroelectric system (PSH) and a vanadium redox flow battery. The proposed system provides uninterrupted energy at stable voltage to consumers in an isolated microgrid. The system is capable in handling different effects of wind speed‐related uncertainties at the load end, up to a certain limit. Advantages of the system lie in its reliability, operation simplicity, robustness, and energy output at stable voltage irrespective of normal wind speed variation. The proposed system also provides an idea of efficient usage of renewable energy. This article documents the proposed system structure, operation strategy, mathematical modeling, and simulation result using real wind speed data. The proposed system is found to be viable, upon simulation with a variable loading pattern.
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