DC Link Clamp Type High Step-Up Ratio Y-Source Inverter Grid-Tied Energy-Shaping Control

Authors

Jianwei Ma, Qiang Li, Wei Zhang, Hongpeng Liu

Abstract

Traditional grid-connected controllers often have complex structures, numerous control parameters, and limited stability, making them less suitable for practical applications. Therefore, it is crucial to design grid-connected controllers in a reasonable manner to enhance the grid-connected disturbance suppression capabilities of inverters. This paper begins by analyzing the pros and cons of traditional control methods, specifically focusing on the high-boost ratio Y-source inverter (DLVC-YSI-I) topology with DC link voltage clamping. Subsequently, the port-controlled Hamiltonian (PCH) model and energy-shaping control (ESC) method are employed to address the control problem of the improved Y-source grid-connected inverter from an energy perspective. By constructing a state average model based on the proposed topology’s operating principle and converting the improved Y-source grid-connected inverter model into a PCH model using the state average method, an inverter grid-connected controller is designed based on ES theory. Finally, the proposed algorithm is validated on an experimental platform consisting of an impedance source inverter grid-connected system.

Citation

• Journal: 2024 IEEE 7th International Electrical and Energy Conference (CIEEC)
• Year: 2024
• Volume:
• Issue:
• Pages: 178–183
• Publisher: IEEE
• DOI: 10.1109/cieec60922.2024.10583539

BibTeX

@inproceedings{Ma_2024,
  title={{DC Link Clamp Type High Step-Up Ratio Y-Source Inverter Grid-Tied Energy-Shaping Control}},
  DOI={10.1109/cieec60922.2024.10583539},
  booktitle={{2024 IEEE 7th International Electrical and Energy Conference (CIEEC)}},
  publisher={IEEE},
  author={Ma, Jianwei and Li, Qiang and Zhang, Wei and Liu, Hongpeng},
  year={2024},
  pages={178--183}
}

Download the bib file

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