A competitive medium frequency AC distribution grid for offshore wind farms using HVDC

Titelangaben

Eckel, Hans-Günter ; Gierschner, Sidney ; Bakran, Mark-M.:
A competitive medium frequency AC distribution grid for offshore wind farms using HVDC.
In: 15th European Conference on Power Electronics and Applications (EPE) 2013 : Proceedings. - Lille, Frankreich , 2013
DOI: https://doi.org/10.1109/EPE.2013.6634385

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Abstract

HVDC transmission becomes more important for wind farms located over hundred kilometres from the shore. For offshore wind farms decoupled by HVDC transmission, frequency is a degree of freedom. State of the art for offshore wind farms is a 50Hz AC distribution grid. In this paper the effects of a higher line frequency on the main parts of an offshore wind farm are investigated. The main advantages and drawbacks are revealed and compared to a wind farm topology using a DC distribution grid. A loss calculation for a whole wind farm was done to highlight the opportunities and restrictions.