arXiv · 2609.03228
Locating Power System Oscillation Sources by Extracting Interharmonics from Synchrophasor Data
Abstract
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. But waveform data needed for the method are less available than PMU synchrophasor data. This paper investigates whether interharmonics can be extracted directly from phasor data for similar applications. The results show that, for certain oscillation phenomena, phasor data can support interharmonic extraction and oscillation source location. Sensitivity studies have identified the requirements, and a cloud-based software tool is developed for PMU-based source location.
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Sophia Xu, Wilsun Xu. 2026-09-03. Locating Power System Oscillation Sources by Extracting Interharmonics from Synchrophasor Data. https://arxiv.org/abs/2609.03228
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