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Träfflista för sökning "WFRF:(Boström Fredrik) ;pers:(Rahm Magnus);pers:(Boström Cecilia)"

Search: WFRF:(Boström Fredrik) > Rahm Magnus > Boström Cecilia

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  • Rahm, Magnus, et al. (author)
  • Offshore underwater substation for wave energy converter arrays
  • 2010
  • In: IET Renewable Power Generation. - : Institution of Engineering and Technology (IET). - 1752-1416. ; 4:6, s. 602-612
  • Journal article (peer-reviewed)abstract
    • In this study, the design, construction, deployment and operation of an offshore underwater substation is discussed. The seabed placed substation interconnects three linear generator wave energy converters (WECs) at the Swedish Lysekil wave energy research site. The power from the WECs fluctuates because of their direct-driven topology. The generator voltage has varying electrical frequency and amplitude. To reduce the fluctuations, the individual voltages of the WECs are rectified and the power is added on a common DC-bus in the substation. The voltage is inverted, transformed and power is transmitted to an on-shore resistive load. The substation was retrieved on two occasions since the deployment in the spring of 2009. The functionality of the substation is validated by comparing voltage and current wave forms from Simulink with measured results from laboratory experiments. In addition, a sample of results from real offshore operation is illustrated and discussed. With a proportional-integral-derivative (PID)-regulator in the inverter control, the small fluctuations in the DC-bus voltage could be minimised. However, this would reduce the energy storage capability of the DC-link smoothing capacitors.
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  • Result 1-2 of 2
Type of publication
journal article (1)
conference paper (1)
Type of content
peer-reviewed (2)
Author/Editor
Boström, Cecilia (2)Undo refine
Leijon, Mats (2)
Bülow, Fredrik (2)
Svensson, Olle (2)
Grabbe, Mårten (2)
Rahm, Magnus (2)Undo refine
University
Uppsala University (2)
Language
English (2)

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