Voltage control for buck converter based MVDC microgrids with interconnection and damping assignment passivity based control

Authors

Marco Cupelli, Siddharth Kiranbhai Bhanderi, Sriram Karthik Gurumurthy, Antonello Monti

Abstract

Power-electronics-based Medium Voltage Direct Current (MVDC) shipboard power systems, consisting of several interconnected feedback-controlled switching converters, suffer from potential degradation of stability induced by negative incremental resistances due to the presence of constant power loads (CPLs). To tackle such a problem, we propose a system-level stabilizing control methods acting on the source side converters. It relies on the Port Controlled Hamiltonian (PCH) representation of a Buck Converters. Based on this approach an Interconnection and Damping Assignment Passivity Based Control (IDA-PBC) law is designed. Simulation results for a MVDC Microgrid using converter switching models confirm the correctness and effectiveness of the designed controller while evaluating him against the well research Linearizing State Feedback (LSF).

Citation

• Journal: 2018 19th IEEE Mediterranean Electrotechnical Conference (MELECON)
• Year: 2018
• Volume:
• Issue:
• Pages: 14–19
• Publisher: IEEE
• DOI: 10.1109/melcon.2018.8379060

BibTeX

@inproceedings{Cupelli_2018,
  title={{Voltage control for buck converter based MVDC microgrids with interconnection and damping assignment passivity based control}},
  DOI={10.1109/melcon.2018.8379060},
  booktitle={{2018 19th IEEE Mediterranean Electrotechnical Conference (MELECON)}},
  publisher={IEEE},
  author={Cupelli, Marco and Bhanderi, Siddharth Kiranbhai and Gurumurthy, Sriram Karthik and Monti, Antonello},
  year={2018},
  pages={14--19}
}

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References

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