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Regulating DC link voltage fluctuations on a grid connected wave power system using energy storage

Jones, C. E. and Finney, S. J. and Parry, C. S. (2011) Regulating DC link voltage fluctuations on a grid connected wave power system using energy storage. In: IET Renewable Power Generation Conference 2011. IET, Stevenage, UK, pp. 121-126. ISBN 9781618394552

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The fluctuating nature of power generated from waves combined with the weak nature of the network, makes the connection of arrays of wave energy converters (WECs) to the network a challenge. This paper investigates the research questions raised by the proposed development of a wave farm using coastal WECs, where the spatial layout of the WECs is restricted and cannot be used to damp the fluctuations in generated power. The concept of using energy storage on a common DC link to compensate for the fluctuations in real power, and ensure that the power quality on a weak, rural distribution network is not compromised, will also be discussed.