Sophia Xu, Wilsun Xu
Recent studies have shown that oscillating phasors arise from beating waves caused by interharmonics. This finding has led to an interharmonic-based oscillation source-location method. Given the limited availability of waveform data needed for this method compared to PMU synchrophasor data, this paper investigates whether interharmonics can be extracted directly from phasor data for similar applications. The methodology involves analyzing oscillation phenomena to determine if phasor data can support interharmonic extraction and oscillation source location. Results demonstrate that in certain cases, phasor data effectively allows for interharmonic extraction, thereby identifying the source of oscillations in power systems. Additionally, sensitivity studies reveal the specific requirements needed to implement this method effectively. To facilitate these analyses, a cloud-based software tool is developed for PMU-based source location. The implications of these findings indicate progress toward enhancing the understanding and management of power system stability issues related to IBRs and their associated oscillations.
@article{20344b5b-f2cb-4f66-aece-07b3b3556252,
title={2026 Xu Power System Oscillation Source Location},
author={Sophia Xu and Wilsun Xu},
year={2026},
language={en}
}TY - JOUR TI - 2026 Xu Power System Oscillation Source Location AU - Sophia Xu AU - Wilsun Xu PY - 2026 LA - en ER -
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