arxiveess.SY2026-07-02
A Dynamic Phasor Framework for Analysis of Subsynchronous Oscillations in Multi-Machine Systems with IBRs and Large Loads
Fiaz Hossain, Nilanjan Ray Chaudhuri, Constantino M. Lagoa, Alok Sinha, ai Gopal Vennelaganti, Mohammed E. Nassar
Although the electromagnetic transient (EMT) framework can capture subsynchronous oscillations (SSOs), it faces scalability issues for large-scale systems. Thus motivated, we propose a generalized dynamic phasor (DP) framework to analyze SSOs in multi-machine systems with inverte…