Trager Joswig-Jones, Baosen Zhang
As inverter-based resources (IBRs) increasingly dominate electrical power generation, understanding system strength becomes critical in identifying associated stability challenges. This study aims to propose a methodology for assessing system strength through sensitivity to steady-state operating point perturbations. By focusing on the sensitivities to power injections, voltages, and line admittances, we provide metrics that can predict instability triggers, such as line trips or variations in generator output. Our results indicate that these new metrics yield essential insights into system stability and can be calculated more rapidly than traditional eigenvalue analyses. The proposed approach was validated on both 14-bus and 118-bus test systems, demonstrating its effectiveness in identifying remedial actions for small-signal stability problems. This advancement could significantly aid grid operators in maintaining stability in modern power systems that rely heavily on IBRs.
@article{1d3726c1-4093-481e-8a51-fdace9bf87c5,
title={2026 Joswig Jones System Strength Assessment},
author={Trager Joswig-Jones and Baosen Zhang},
year={2026},
language={en}
}TY - JOUR TI - 2026 Joswig Jones System Strength Assessment AU - Trager Joswig-Jones AU - Baosen Zhang PY - 2026 LA - en ER -
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