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This paper presents both steady-state and dynamic analyzed results of a hybrid offshore wind and tidal farm connected to an onshore power grid using a flywheel energy storage system (FESS). The performance of the studied offshore wind farm (OWF) is simulated by an equivalent aggregated 80-MW doubly-fed induction generator (DFIG) while the operating characteristics of the studied tidal farm (TF) are simulated by an equivalent aggregated 40-MW permanent-magnet generator (PMG). Both frequency-domain approach based on a linearized system model using eigenvalue analysis and time-domain scheme based on a nonlinear system model subject to a wind-speed disturbance condition are carried out. It can be concluded from the simulated results that the proposed FESS can effectively stabilize the studied hybrid OWF and TF under various conditions.
Power and Energy Society General Meeting, 2011 IEEE
Date of Conference: 24-29 July 2011