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Adaptive oscillator integrated demodulation-based synchrophasor estimation for single phase P-class PMU algorithm
DOI:10.1016/j.measurement.2025.119021.png)
Abstract
En 中文
• A novel demodulation-based synchrophasor estimation algorithm is proposed for single-phase P-class PMUs. • The method integrates a frequency-adaptive second harmonic oscillator with a low-complexity CDSC-based LPF. • The approach achieves superior accuracy with TVE < 0.1%, FE < 0.03 mHz, and RFE < 0.004 Hz/s across all test scenarios. • An open-loop structure ensures unconditional stablity trigonometric calculations. • Simulation results confirm full compliance with IEEE C37.118.1 and IEC/IEEE 60255-118- 1:2018 standards.
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