Passivity-Based Control of a Doubly Fed Induction Generator System under Unbalanced Grid Voltage Conditions

Authors

Abstract

According to the theory of passivity-based control (PBC), this paper establishes a port-controlled Hamiltonian system with dissipation (PCHD) model for a doubly fed induction generator (DFIG) system under unbalanced grid voltage conditions and proposes a method of interconnection and damping assignment passivity-based control (IDA-PBC) of the system under such conditions. By using this method, the rotor-side converter and grid-side converter can be controlled simultaneously in order to improve fault ride-through capability of the DFIG system. Simulation results indicate that this IDA-PBC strategy effectively suppresses fluctuations of output current and power in the DFIG system during unbalanced grid voltage sag/swell, enhances dynamic performance, and improves the robustness of the system.

Citation

Journal: Energies
Year: 2017
Volume: 10
Issue: 8
Pages: 1139
Publisher: MDPI AG
DOI: 10.3390/en10081139

BibTeX

@article{Huang_2017,
  title={{Passivity-Based Control of a Doubly Fed Induction Generator System under Unbalanced Grid Voltage Conditions}},
  volume={10},
  ISSN={1996-1073},
  DOI={10.3390/en10081139},
  number={8},
  journal={Energies},
  publisher={MDPI AG},
  author={Huang, Jiawei and Wang, Honghua and Wang, Chong},
  year={2017},
  pages={1139}
}

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