2013
DOI: 10.1016/j.ijepes.2012.07.001
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Continuous wavelet transform for ferroresonance phenomena in electric power systems

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Cited by 40 publications
(23 citation statements)
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“…The STFT approach is an alternative method based on the classic Fourier Transformation used in the analysis of dynamic data (Vaseghi, 1996;Akinci et al, 2009;Onal and Dikun, 2013).…”
Section: The Time-frequency Analysis Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The STFT approach is an alternative method based on the classic Fourier Transformation used in the analysis of dynamic data (Vaseghi, 1996;Akinci et al, 2009;Onal and Dikun, 2013).…”
Section: The Time-frequency Analysis Methodsmentioning
confidence: 99%
“…The faults may occur for various reasons. These faults can be analysed through conventional methods as well as modern sign processing methods (Akinci et al, 2013). Sign processing methods provide successful results through the analysis of the fault in the frequency domain.…”
Section: Introductionmentioning
confidence: 99%
“…The angle difference indicated that there was an SLG fault at feeder 1. The voltage and current signals were pre-conditioned using a second-order Butterworth low-pass filter, and a discrete Fourier transform (DFT) was used to estimate the phasors [37,38]. As shown in Figure 15, the zero-sequence-voltage and zero-sequence current at the primary winding of the step-down transformer indicated that a grid fault occurred at position 1.…”
Section: System Components Parametersmentioning
confidence: 99%
“…The ferroresonant conditions generally occur when the system is unbalanced, like switching or the serial connections of the capacitors with transformer magnetizing impedance. This situation causes failures in transformers, cables, and arresters as well as overvoltages [1][2][3][4][5][6][7][8][9][10][11][12][13]. The ferroresonance phenomenon is more prevalent at high voltage levels since the relative ratios of losses, magnetizing impedance and cable capacitance fall into their more favorable ranges here [7,8,10].…”
mentioning
confidence: 99%
“…In addition, the abnormal rates of harmonics can often be dangerous for most electrical equipment in power systems. Therefore, in the related literature, the ferroresonance phenomenon is defined as a general term, which is applied to a wide variety of the interactions between capacitors and iron-core inductors [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17][18].…”
mentioning
confidence: 99%