Authors

Ming Li, Yongtao Mao, Xing Wang, Enjun Liu, Xing Zhang, Hua Geng

Abstract

Nowadays, with the vigorous development of offshore wind power and desert photovoltaic projects, especially with grid-connected inverters as the key interface for renewable energy grid integration, the traditional control methods based on linear architectures such as proportional-integral (PI) control are no longer suitable for the novel scenarios. This is due to the nonlinear scenarios resulting from changes in grid structure or parameters caused by inverters plug-and-play and random switching conditions. In these situations, there is a risk of wide-band oscillation in the grid-connected current. Therefore, this paper proposes a passivity-based feedback controller designed using the port-controlled Hamiltonian model (PCH) for grid-connected inverters operating in traditional grid-following (GFL) modes. Considering nonlinear control delays, a parameter design scheme optimized for multiple performance indexes is obtained using the D-partition method. This scheme ensures that the grid-connected inverter can resist external disturbances and operate reliably under nonlinear conditions, with strong robustness.

Keywords

d-partition method, grid-following, passivity-based control (pbc), robust control

Citation

  • ISBN: 9789819620456
  • Publisher: Springer Nature Singapore
  • DOI: 10.1007/978-981-96-2046-3_17
  • Note: International Conference of Electrical, Electronic and Networked Energy Systems

BibTeX

@inbook{Li_2025,
  title={{A Robust Design Strategy for Grid-Connected Inverter Controller Parameters Based on Passivity Theory}},
  ISBN={9789819620463},
  ISSN={1876-1119},
  DOI={10.1007/978-981-96-2046-3_17},
  booktitle={{The Proceedings of 2024 International Conference of Electrical, Electronic and Networked Energy Systems}},
  publisher={Springer Nature Singapore},
  author={Li, Ming and Mao, Yongtao and Wang, Xing and Liu, Enjun and Zhang, Xing and Geng, Hua},
  year={2025},
  pages={162--171}
}

Download the bib file

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