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Optimal Power Transmission of Offshore Wind Power Using a VSC-HVdc Interconnection

Author

Listed:
  • Miguel E. Montilla-DJesus

    (Electrical Engineering Department, Carlos III University of Madrid, Av. de la Universidad 30, 28911 Leganés, Madrid, Spain)

  • Santiago Arnaltes

    (Electrical Engineering Department, Carlos III University of Madrid, Av. de la Universidad 30, 28911 Leganés, Madrid, Spain)

  • Edgardo D. Castronuovo

    (Electrical Engineering Department, Carlos III University of Madrid, Av. de la Universidad 30, 28911 Leganés, Madrid, Spain)

  • David Santos-Martin

    (Electrical Engineering Department, Carlos III University of Madrid, Av. de la Universidad 30, 28911 Leganés, Madrid, Spain)

Abstract

High-voltage dc transmission based on voltage-source converter (VSC-HVdc) is quickly increasing its power rating, and it can be the most appropriate link for the connection of offshore wind farms (OWFs) to the grid in many locations. This paper presents a steady-state operation model to calculate the optimal power transmission of an OWF connected to the grid through a VSC-HVdc link. The wind turbines are based on doubly fed induction generators (DFIGs), and a detailed model of the internal OWF grid is considered in the model. The objective of the optimization problem is to maximize the active power output of the OWF, i.e., the reduction of losses, by considering the optimal reactive power allocation while taking into account the restrictions imposed by the available wind power, the reactive power capability of the DFIG, the DC link model, and the operating conditions. Realistic simulations are performed to evaluate the proposed model and to execute optimal operation analyses. The results show the effectiveness of the proposed method and demonstrate the advantages of using the reactive control performed by DFIG to achieve the optimal operation of the VSC-HVdc.

Suggested Citation

  • Miguel E. Montilla-DJesus & Santiago Arnaltes & Edgardo D. Castronuovo & David Santos-Martin, 2017. "Optimal Power Transmission of Offshore Wind Power Using a VSC-HVdc Interconnection," Energies, MDPI, vol. 10(7), pages 1-16, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:1046-:d:105295
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    References listed on IDEAS

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    1. Montilla-DJesus, Miguel & Santos-Martin, David & Arnaltes, Santiago & Castronuovo, Edgardo D., 2012. "Optimal reactive power allocation in an offshore wind farms with LCC-HVdc link connection," Renewable Energy, Elsevier, vol. 40(1), pages 157-166.
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    Cited by:

    1. Francisco Haces-Fernandez & Hua Li & David Ramirez, 2018. "Assessment of the Potential of Energy Extracted from Waves and Wind to Supply Offshore Oil Platforms Operating in the Gulf of Mexico," Energies, MDPI, vol. 11(5), pages 1-25, April.

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