1 paper accepted to LCSS

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Our paper on frequency shaping control for grid-forming IBRs [1] has been accepted to Control Systems Letters!

[1] [doi] B. K. Poolla, Y. Lin, A. Bernstein, E. Mallada, and D. Groß, “Frequency shaping control for weakly-coupled grid-forming IBRs,” IEEE Control Systems Letters (L-CSS), pp. 937-942, 2022.
[Bibtex] [Abstract] [Download PDF]

We consider the problem of controlling the fre- quency of low-inertia power systems via inverter-based resources (IBRs) that are weakly connected to the grid. We propose a novel grid-forming control strategy, the so-called frequency shaping control, that aims to shape the frequency response of synchronous generators (SGs) to load perturbations so as to efficiently arrest sudden frequency drops. Our solution relaxes several existing assumptions in the literature and is able to navigate trade- offs between peak power requirements and maximum frequency deviations. Finally, we analyze the robustness to imperfect knowl- edge of network parameters, while particularly highlighting the importance of accurate estimation of these parameters.

@article{plbmg2023lcss,
  abstract = {We consider the problem of controlling the fre- quency of low-inertia power systems via inverter-based resources (IBRs) that are weakly connected to the grid. We propose a novel grid-forming control strategy, the so-called frequency shaping control, that aims to shape the frequency response of synchronous generators (SGs) to load perturbations so as to efficiently arrest sudden frequency drops. Our solution relaxes several existing assumptions in the literature and is able to navigate trade- offs between peak power requirements and maximum frequency deviations. Finally, we analyze the robustness to imperfect knowl- edge of network parameters, while particularly highlighting the importance of accurate estimation of these parameters.},
  author = {Poolla, Bala Kameshwar and Lin, Yashen and Bernstein, Andrey and Mallada, Enrique and Groß, Dominic},
  bdsk-url-3 = {https://doi.org/10.1109/LCSYS.2022.3228855},
  doi = {10.1109/LCSYS.2022.3228855},
  grants = {CAREER-1752362, CPS-2136324},
  journal = {IEEE Control Systems Letters (L-CSS)},
  month = {12},
  pages = {937-942},
  record = {published, online Dec 2022, accepted Nov 2022, submitted Sep 2022.},
  title = {Frequency shaping control for weakly-coupled grid-forming IBRs},
  url = {https://mallada.ece.jhu.edu/pubs/2022-LCSS-PLBMG.pdf},
  year = {2022}
}