Comparison of CWT &amp; DWT based algorithms in combination with ANN for protection of power transformer

Poornima, S.; Ravindra, K.

doi:10.1109/scopes.2016.7955749

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B Wavelet Transform1

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2019

2024

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Cited by 5 publications

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“…The two different ways to prepare the wavelet transform are continuous wavelet transform and discrete wavelet transform [137]. The former acquires the surface of wavelet coefficients, while the latter has the discretized scale and translation.…”

Section: B Wavelet Transformmentioning

confidence: 99%

Overview and Partial Discharge Analysis of Power Transformers: A Literature Review

2021

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Section: B Wavelet Transformmentioning

confidence: 99%

Overview and Partial Discharge Analysis of Power Transformers: A Literature Review

2021

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A study of characteristic extraction for transformer oscillation wave based on DWT analysis

Liu

Wang

2019

J. Phys.: Conf. Ser.

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In order to improve the reliability of transformer winding state evaluation method, the analysis of oscillation wave based on high voltage direct current (HVDC) power supply is proposed. Firstly, different noise reduction methods are adopted dealing with the measured oscillation wave data, and a suitable noise reduction method for field experiments is obtained. Then the discrete wavelet transform (DWT) is applied on denoising data. Finally, the characteristics that can be used to evaluate the state of windings are obtained by analysing the wavelet detailed signals. The results show that the waveform characteristics of windings obtained by discrete wavelet transform have good repeatability and can reflect the differences between different windings.

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Energy Efficiency: Digital Signal Processing Interactions Within Smart Grid

Ullah

Ali

Khan

et al. 2019

2019 International Conference on Engineering and Emerging Technologies (ICEET)

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Comparison of CWT & DWT based algorithms in combination with ANN for protection of power transformer

Cited by 5 publications

References 10 publications

Overview and Partial Discharge Analysis of Power Transformers: A Literature Review

Overview and Partial Discharge Analysis of Power Transformers: A Literature Review

A study of characteristic extraction for transformer oscillation wave based on DWT analysis

Energy Efficiency: Digital Signal Processing Interactions Within Smart Grid

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