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DC grid architectures to improve the integration of wind farms into electricity transmission and distribution networks

P. Monjean1,  and B. Robyns2     1EDF CIST, Saint Denis, France     2Ecole des Hautes Etudes d'Ingénieur (HEI), Lille, France

Abstract

Recently, interest in offshore wind has increased significantly due to European objectives for renewable energy. Usually, local distribution in offshore wind farming is achieved by an AC grid. Nevertheless, DC distribution grid within the farm has become more interesting, when considering recent improvements of DC–DC converters, namely by using high frequency (HF) transformers. This chapter deals with six offshore wind farm architectures compared in terms of technological feasibility, losses and ...

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