2014
DOI: 10.1016/j.epsr.2013.10.017
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A novel DFT-based method for spectral analysis under time-varying frequency conditions

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Cited by 21 publications
(10 citation statements)
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“…Figure 4 shows the current waveforms of lines 12-13 and 13-14. These are the most distorted currents in the system; a close agreement is observed between the actual and the proposed EKF method which present a total harmonic distortion (THD) of 105.8% and 91.5% for the current in lines 12-13 and 13-14 respectively [39], as shown in Figure 4(a)-(c). The differences observed are mainly because of the noisy condition in the measurements, i.e.…”
Section: Nonlinear Hse Using the Ekfsupporting
confidence: 62%
“…Figure 4 shows the current waveforms of lines 12-13 and 13-14. These are the most distorted currents in the system; a close agreement is observed between the actual and the proposed EKF method which present a total harmonic distortion (THD) of 105.8% and 91.5% for the current in lines 12-13 and 13-14 respectively [39], as shown in Figure 4(a)-(c). The differences observed are mainly because of the noisy condition in the measurements, i.e.…”
Section: Nonlinear Hse Using the Ekfsupporting
confidence: 62%
“…Moreover, the power system fundamental frequency may also deviate from its nominal value because of the power mismatch between the generation and the load demand. These problems would lead to inaccuracies due to the leakage and the picket-fence effects when directly applying the DFT (Discrete Fourier Transform) for spectral analysis [1].…”
Section: Introductionmentioning
confidence: 99%
“…With the widespread use of conventional and modern nonlinear loads, harmonic and interharmonic currents are being injected into the power network and cause power quality (PQ) problems [1]. Meanwhile, the embedded generation and renewable sources of energy have also created new PQ problems, such as voltage variations, flickers, and waveform distortions [2]. So the monitoring of harmonic and interharmonic distortions is an important issue that has been addressed in recent years.…”
Section: Introductionmentioning
confidence: 99%