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Direct interconnection of offshore electricity generators

Author

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  • Pican, E.
  • Omerdic, E.
  • Toal, D.
  • Leahy, M.

Abstract

Stringent grid codes imposed by transmission system operators (TSOs) have led wind turbine manufacturers to overdesign their products. As an individual power generator, each single wind turbine has to meet those regulations. However, in a “farm” like configuration, a different approach can be taken. This paper describes how renewable energy generator units can be simplified in order to bring manufacturing and maintenance costs down and increase reliability. Synchronisation challenges were addressed using special control algorithms to overcome issues not present in the case of synchronising generators having controllable prime movers (diesel engine, turbines etc.). In the case of wind turbines, the wind is the prime mover and is not controllable. A brief description of a prototype is given and data has been extracted from the rig as well as from modelling.

Suggested Citation

  • Pican, E. & Omerdic, E. & Toal, D. & Leahy, M., 2011. "Direct interconnection of offshore electricity generators," Energy, Elsevier, vol. 36(3), pages 1543-1553.
  • Handle: RePEc:eee:energy:v:36:y:2011:i:3:p:1543-1553
    DOI: 10.1016/j.energy.2011.01.006
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    References listed on IDEAS

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    1. Mabel, M. Carolin & Raj, R. Edwin & Fernandez, E., 2010. "Adequacy evaluation of wind power generation systems," Energy, Elsevier, vol. 35(12), pages 5217-5222.
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    Cited by:

    1. Leon, A.E. & Solsona, J.A. & Figueroa, J.L. & Valla, M.I., 2011. "Optimization with constraints for excitation control in synchronous generators," Energy, Elsevier, vol. 36(8), pages 5366-5373.
    2. Dargahi, Vahid & Sadigh, Arash Khoshkbar & Pahlavani, Mohammad Reza Alizadeh & Shoulaie, Abbas, 2012. "DC (direct current) voltage source reduction in stacked multicell converter based energy systems," Energy, Elsevier, vol. 46(1), pages 649-663.
    3. Salari, Mahdi Ebrahimi & Coleman, Joseph & Toal, Daniel, 2019. "Analysis of direct interconnection technique for offshore airborne wind energy systems under normal and fault conditions," Renewable Energy, Elsevier, vol. 131(C), pages 284-296.
    4. Coleman, J. & Ahmad, H. & Pican, E. & Toal, D., 2014. "Modelling of a synchronous offshore pumping mode airborne wind energy farm," Energy, Elsevier, vol. 71(C), pages 569-578.
    5. Seixas, M. & Melício, R. & Mendes, V.M.F., 2014. "Offshore wind turbine simulation: Multibody drive train. Back-to-back NPC (neutral point clamped) converters. Fractional-order control," Energy, Elsevier, vol. 69(C), pages 357-369.
    6. Fodor, Attila & Magyar, Attila & Hangos, Katalin M., 2012. "Control-oriented modeling of the energy-production of a synchronous generator in a nuclear power plant," Energy, Elsevier, vol. 39(1), pages 135-145.
    7. Emir Omerdic & Jakub Osmic & Cathal O’Donnell & Edin Omerdic, 2021. "Control Algorithm for Parallel Connected Offshore Wind Turbine Generators," Energies, MDPI, vol. 14(15), pages 1-28, August.
    8. Seixas, M. & Melício, R. & Mendes, V.M.F. & Couto, C., 2016. "Blade pitch control malfunction simulation in a wind energy conversion system with MPC five-level converter," Renewable Energy, Elsevier, vol. 89(C), pages 339-350.

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