Closed Loop Grid Reactive Power Compensation using DFIG

This paperfocuses on the design, analysis,and simulation of a constant grid power wind energy conversion system based on electrical energy storage and indirectly controlledDoubly Fed Induction Generator (DFIG). This horizontal axis wind turbine system generates the requiredreactive power into the grid under all conditions. Momentary energy storage can be achieved by inculcating an energy storage device or a battery in DC link. In this paper, modeling and indirect control of the DFIG are presented. Independent control of active and reactive powers is achieved,and different simulation results under loaded conditions are presented.