Authors

Lakhdar Saihi, Brahim Berbaoui, Larbi Djilali, Mohammed Boura

Abstract

The current study presents a robust sensorless control using passivity based control (PBC) combined with high gain observer (HGO). The proposed controller is applied to control the generated doubly-fed induction generator (DFIG) active and reactive power installed on a variable speed wind energy conversion system. The control objective is used to regulate independently the DFIG stator active and reactive power, which are decoupled by using the field oriented control technique. Additionally, this process leads to reduce the cost of control scheme by eliminating the speed sensor. Firstly, the DFIG is modeled under the port controlled Hamiltonian (PCH) model, as well as the method of simultaneous injection damping. Then, the DFIG is further modeled by assignment passivity based on the simultaneous injection damping and assignment (SIDA-PBC) control of the obtained model under such conditions and a comparison with the fuzzy sliding mode controller is carried out. Furthermore, the HGO is selected in order to estimate the rotor position and the speed from the measurement of the DFIG currents and voltages, and compared with fuzzy sliding mode observer. For testing the proposed control scheme performance, a 1.5 MW DFIG system is developed and simulated using MATLAB/Simulink. The obtained results demonstrate the effectiveness of the proposed control scheme in the presence of various DFIG parameters variation. Additionally, the control objective is achieved without speed sensor.

Citation

  • Journal: Wind Engineering
  • Year: 2023
  • Volume: 47
  • Issue: 1
  • Pages: 86–103
  • Publisher: SAGE Publications
  • DOI: 10.1177/0309524x221122531

BibTeX

@article{Saihi_2022,
  title={{Sensorless passivity based control of doubly-fed induction generators in variable-speed wind turbine systems based on high gain observer}},
  volume={47},
  ISSN={2048-402X},
  DOI={10.1177/0309524x221122531},
  number={1},
  journal={Wind Engineering},
  publisher={SAGE Publications},
  author={Saihi, Lakhdar and Berbaoui, Brahim and Djilali, Larbi and Boura, Mohammed},
  year={2022},
  pages={86--103}
}

Download the bib file

References

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