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Grid integration of large offshore wind farms using HVDC

Xu, L. and Andersen, B. (2006) Grid integration of large offshore wind farms using HVDC. Wind Energy, 9. pp. 371-382. ISSN 1095-4244

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Abstract

This article describes the use of high-voltage DC (HVDC) transmission systems for connection of large offshore wind farms using doubly fed induction generators (DFIGs) to the main grid. HVDC systems based on voltage source converters (VSC transmission) and on linecommutated converters (LCC HVDC) are discussed. The article describes proposed system configurations, operating principles and controls for the two technologies. PSCAD/EMTDC simulations are presented to demonstrate the robust performance of the proposed systems during variation of generation and onshore AC fault conditions.