Port-Controlled Phasor Hamiltonian Modeling and IDA-PBC Control of Solid-State Transformer

Authors

Ragini V. Meshram, Monika Bhagwat, Shubhangi Khade, Sushama R. Wagh, Aleksandar M. Stankovic, Navdeep M. Singh

Abstract

This paper presents an application of interconnection and damping assignment passivity-based control (IDA-PBC) principle to the port-controlled phasor Hamiltonian (PCPH) model of solid-state transformer (SST) (comprising of three stages, namely, ac/dc rectifier, dual active bridge converter, and dc/ac inverter). A PCPH model of SST is established for each individual stages using dynamic phasor concept. In comparison with other PBC approaches, IDA-PBC offers an additional degree of freedom to solve the partial differential equations. According to the target of the controller design at each stage, the desired equilibrium point of the system is obtained. The closed-loop system performance achieves regulation of constant output dc-bus voltage and unity input power factor. Large-signal simulation results for the full system validate the simplifications introduced to obtain the controller and verify the proposed controller. Robustness of the controller is demonstrated with 20% load disturbance and 10% input disturbance. For validation of the proposed approach and its effectiveness, hardware-in-loop simulation is carried out using Opal-RT and dSPACE simulators.

Citation

• Journal: IEEE Transactions on Control Systems Technology
• Year: 2019
• Volume: 27
• Issue: 1
• Pages: 161–174
• Publisher: Institute of Electrical and Electronics Engineers (IEEE)
• DOI: 10.1109/tcst.2017.2761866

BibTeX

@article{Meshram_2019,
  title={{Port-Controlled Phasor Hamiltonian Modeling and IDA-PBC Control of Solid-State Transformer}},
  volume={27},
  ISSN={2374-0159},
  DOI={10.1109/tcst.2017.2761866},
  number={1},
  journal={IEEE Transactions on Control Systems Technology},
  publisher={Institute of Electrical and Electronics Engineers (IEEE)},
  author={Meshram, Ragini V. and Bhagwat, Monika and Khade, Shubhangi and Wagh, Sushama R. and Stankovic, Aleksandar M. and Singh, Navdeep M.},
  year={2019},
  pages={161--174}
}

Download the bib file

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