Single-Phase Grid Voltage Frequency Estimation Using Teager Energy Operator-Based Technique

@article{Reza2015SinglePhaseGV,
  title={Single-Phase Grid Voltage Frequency Estimation Using Teager Energy Operator-Based Technique},
  author={Shamim Reza and Mihai Ciobotaru and Vassilios G. Agelidis},
  journal={IEEE Journal of Emerging and Selected Topics in Power Electronics},
  year={2015},
  volume={3},
  pages={1218-1227}
}
This paper reports the performance of a technique for the estimation of single-phase grid voltage fundamental frequency under distorted grid conditions. The technique combines a Teager energy operator (TEO) with a frequency adaptive bandpass filter (BPF). The TEO is based on three consecutive samples and is used to estimate the fundamental frequency. The BPF relies on a recursive discrete Fourier transform (RDFT) and an inverse RDFT, and is used to extract the normalized amplitude of the grid… CONTINUE READING

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