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eess.SY2026
Ill-Conditioned Power Flow Analysis Using a Quantized State-Based Approach
Liya Huang, Federico Milano, Georgios Tzounas
This paper focuses on power flow analysis through the lens of the Newton flow, a continuous-time formulation of Newton's method. Within this framework, we explore how quantized-sta…
eess.SY2025
On the Duality Between Quantized Time and States in Dynamic Simulation
Liya Huang, Georgios Tzounas
This letter introduces a formal duality between discrete-time and quantized-state numerical methods. We interpret quantized state system (QSS) methods as integration schemes applie…
eess.SY2025
Matrix Pencil-Based Analysis of Multirate Simulation Schemes
Liya Huang, Georgios Tzounas
This paper focuses on multirate time-domain simulations of power system models. It proposes a matrix pencil-based approach to evaluate the spurious numerical deformation introduced…