DOE OSTI · 2575268
Calculating Critical Inertia of a Power System
Abstract
The increasing integration of renewable energy sources in modern power systems has led to a decline in system inertia, raising concerns about frequency stability following large disturbances. Determining critical inertia is essential to prevent excessive frequency decline and ensure grid stability. This paper evaluates four different methods for calculating critical inertia, using the Electric Reliability Council of Texas (ERCOT) system as a test case. The results highlight the importance of employing multiple methodologies to capture the full spectrum of inertia requirements.
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Hakim sneha, Fariha [University of Tennessee, Knoxville (UTK)], Liu, Yilu [ORNL], Uria Martinez, Rocio [ORNL] (ORCID:0000000196899951), Dong, Jiaojiao [University of Tennessee, Knoxville (UTK)]. 2025-04-01. Calculating Critical Inertia of a Power System. https://doi.org/10.1109/southeastcon56624.2025.10971681
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