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A sensorless control for a variable speed wind turbine operating at partial load

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  • Rocha, Ronilson

Abstract

This paper presents a sensorless control for a variable speed wind turbine (WT) operating at partial load in order to eliminate the direct measurement of the wind speed. In this proposal, the estimated aerodynamic torque is used to determine the optimal reference of the speed control for maximum energy conversion. The maximization of the efficiency on energy conversion and the minimization of detrimental dynamical loads are control trade-offs considered in the design of an optimal discrete-time feedback LQG/LTR controller for the Wind Energy Conversion System (WECS), which is based on the optimization of a quadratic cost function. The performance of the proposed control when the WT is submitted to a gust or step variation on wind speed is evaluated from computational simulations. It is also presented some proposals for sensorless control of the electrical generator.

Suggested Citation

  • Rocha, Ronilson, 2011. "A sensorless control for a variable speed wind turbine operating at partial load," Renewable Energy, Elsevier, vol. 36(1), pages 132-141.
    • Handle: RePEc:eee:renene:v:36:y:2011:i:1:p:132-141
    DOI: 10.1016/j.renene.2010.06.008
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    Cited by:

    1. Petković, Dalibor & Ćojbašič, Žarko & Nikolić, Vlastimir, 2013. "Adaptive neuro-fuzzy approach for wind turbine power coefficient estimation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 28(C), pages 191-195.
    2. Joselin Herbert, G.M. & Iniyan, S. & Amutha, D., 2014. "A review of technical issues on the development of wind farms," Renewable and Sustainable Energy Reviews, Elsevier, vol. 32(C), pages 619-641.
    3. Anicic, Obrad & Jovic, Srdjan, 2016. "Adaptive neuro-fuzzy approach for ducted tidal turbine performance estimation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 59(C), pages 1111-1116.
    4. Roghayyeh Pourebrahim & Amin Mohammadpour Shotorbani & Fausto Pedro García Márquez & Sajjad Tohidi & Behnam Mohammadi-Ivatloo, 2021. "Robust Control of a PMSG-Based Wind Turbine Generator Using Lyapunov Function," Energies, MDPI, vol. 14(6), pages 1-22, March.
    5. Moradi, Hamed & Vossoughi, Gholamreza, 2015. "Robust control of the variable speed wind turbines in the presence of uncertainties: A comparison between H∞ and PID controllers," Energy, Elsevier, vol. 90(P2), pages 1508-1521.
    6. Abdul Motin Howlader & Naomitsu Urasaki & Atsushi Yona & Tomonobu Senjyu & Ahmed Yousuf Saber, 2013. "Design and Implement a Digital H∞ Robust Controller for a MW-Class PMSG-Based Grid-Interactive Wind Energy Conversion System," Energies, MDPI, vol. 6(4), pages 1-26, April.

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