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Analysis of the Wind System Operation in the Optimal Energetic Area at Variable Wind Speed over Time

Author

Listed:
  • Ciprian Sorandaru

    (Electrical Engineering Department, Faculty of Electrical and Power Engineering, Politehnica University Timisoara, 300223 Timișoara, Romania)

  • Sorin Musuroi

    (Electrical Engineering Department, Faculty of Electrical and Power Engineering, Politehnica University Timisoara, 300223 Timișoara, Romania
    Romanian Academy of Scientists, 300223 Timisoara Branch, Romania)

  • Flaviu Mihai Frigura-Iliasa

    (Power Systems Department, Faculty of Electrical and Power Engineering, Politehnica University Timisoara, 300223 Timișoara, Romania
    Renewable Energy Laboratory, National Institute for Research and Development in Electrochemistry and Condensed Matter, 300569 Timisoara, Romania)

  • Doru Vatau

    (Power Systems Department, Faculty of Electrical and Power Engineering, Politehnica University Timisoara, 300223 Timișoara, Romania)

  • Marian Dordescu

    (Department of Engineering Sciences in the Electrical Field, Constanta Maritime University, 900663 Constanta, Romania)

Abstract

Due to high mechanical inertia and rapid variations in wind speed over time, at variable wind speeds, the problem of operation in the optimal energetic area becomes complex and in due time it is not always solvable. No work has been found that analyzes the energy-optimal operation of a wind system operating at variable wind speeds over time and that considers the variation of the wind speed over time. In this paper, we take into account the evolution of wind speed over time and its measurement with a low-power turbine, which operates with no load at the mechanical angular velocity ω MAX . The optimal velocity is calculated. The energy that is captured by the wind turbine significantly depends on the mechanical angular velocity. In order to perform a function in the maximum power point (MPP) power point area, the load on the electric generator is changed, and the optimum mechanical velocity is estimated, ω OPTIM , knowing that the ratio ω OPTIM / ω MAX does not depend on the time variation of the wind speed.

Suggested Citation

  • Ciprian Sorandaru & Sorin Musuroi & Flaviu Mihai Frigura-Iliasa & Doru Vatau & Marian Dordescu, 2019. "Analysis of the Wind System Operation in the Optimal Energetic Area at Variable Wind Speed over Time," Sustainability, MDPI, vol. 11(5), pages 1-16, February.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:5:p:1249-:d:209381
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    References listed on IDEAS

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