3 papers
math.DS2026
Calculating Domain of Attraction Boundary of Power Systems Based on the Gentlest Ascent Dynamics
Sixu Wu, Chenmin Zhang, Aiqing Zhu +3
The power system, a fundamental public utility, is increasingly important due to growing global electricity demand. Recent large-scale blackouts (e.g., Iberian Peninsula, UK) have…
math.OC2026
Port-Hamiltonian Control and Structure-Preserving Algorithm for Grid-Forming SVGs
Jiaxin Qian, Feng Ji, Sixu Wu +2
This paper presents a port-Hamiltonian (PH) modeling, control, and structure-preserving simulation framework for grid-forming static var generators (SVGs). A PH model is establishe…
math.NA2025
Effective Numerical Simulation of Fault Transient System
Sixu Wu, Feng Ji, Lu Gao +3
Power systems, including synchronous generator systems, are typical systems that strive for stable operation. In this article, we numerically study the fault transient process of a…