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eess.SY2026
Constructive Port-Hamiltonian Energy Shaping Design of Dispatchable Virtual Oscillators in Grid-Forming Converters
Lu Gao, Lihui Yang, Feng Ji +2
Port-Hamiltonian (PH) theory offers a passivity-based framework for grid-forming control, yet conventional dispatchable virtual oscillator control (dVOC) does not naturally admit a…
eess.SY2026
From Rigid to Adiabatic: Canonical Regularization of AC Networks via Action-Angle Variables
Feng Ji, Lu Gao, Lihui Yang
Traditional power system analysis relies on timescale separation and the rigid-network assumption, freezing electromagnetic transients into algebraic power-flow equations via Stein…
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…