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This paper presents a novel control scheme using a variable frequency transformer (VFT) of 100 MW to effectively reduce power fluctuations of an equivalent 80-MW aggregated doubly-fed induction generator (DFIG)-based offshore wind farm (OWF) connected to an onshore 120-kV utility grid. The q-d axis equivalent-circuit model is employed to establish the mathematical models for the VFT and the OWF to...
This paper presents the analyzed results of using a static synchronous compensator (STATCOM) to perform both damping improvement and reactive power-voltage (Q-V) control of a large-scale wind farm (WF). The studied 80-MW WF consisting of forty 2-MW induction generators (IGs) is simulated by an equivalent 80-MW IG connected directly to a utility grid through an equivalent step-up transformer and an...
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