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March 15, 2026International Journal of Electrical Power & Energy Systems0 citationsOpen Access

Transient Stability Control for Power Angle and Frequency Fluctuations in Grid-Forming Converters

Transient stability control method for reducing power angle/frequency fluctuations in grid-forming converters during fault ride-through

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Authors

MTMa TinghaoElectric Power Research InstituteDXDu XiongChongqing UniversityDCDu ChengmaoChongqing University

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Overview

Nonlinear perturbation methods enhance transient stability by reducing frequency fluctuations in grid-forming converters, implying improved power system reliability.

Key Points

  • The aim is to improve transient stability in grid-forming converters during fault ride-through events by reducing power angle and frequency fluctuations.
  • Used nonlinear perturbation analysis for power angle trajectories.
  • Introduced a dynamic PI compensation method for active power control without real-time tuning.
  • Compared the proposed method against conventional control strategies in simulations.
  • Derived systematic design criteria for compensation coefficients to minimize fluctuations.
  • Significant reduction in frequency and power angle fluctuations observed with the AFDPI method.
  • The GFM-VSG output power angle converges to a stable equilibrium point post-compensation.
  • Simulation results show the proposed method outperforms traditional methods in stabilizing grids.

Cite This Study

Tinghao et al. (2026) studied this question.

synapsesocial.com/papers/69b64ccdb42794e3e660e001https://doi.org/10.1016/j.ijepes.2026.111722
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