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Emerging Signal Processing Techniques for Power Quality Applications

  1. Content type: Research Article

    This paper discusses and presents a different perspective for classifying single and multiple disturbances in electric signals, such as voltage and current ones. Basically, the principle of divide to conquer is a...

    Authors: Moisés Vidal Ribeiro and José Luiz Rezende Pereira

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:056918

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  2. Content type: Research Article

    This paper outlines a higher-order statistics (HOS)-based technique for detecting abnormal conditions in voltage signals. The main advantage introduced by the proposed technique refers to its capability to detect...

    Authors: Moisés V. Ribeiro, Cristiano Augusto G. Marques, Carlos A. Duque, Augusto S. Cerqueira and José Luiz R. Pereira

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:059786

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  3. Content type: Research Article

    The emergence of power quality as a topical issue in power systems in the 1990s largely coincides with the huge advancements achieved in the computing technology and information theory. This unsurprisingly has...

    Authors: S. Chen and H. Y. Zhu

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:047695

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  4. Content type: Research Article

    This paper describes an efficient yet accurate methodology for estimating system damping. The proposed technique is based on linear dynamic system theory and the Hilbert damping analysis. The proposed techniqu...

    Authors: Kyeon Hur, Surya Santoso and Irene Y. H. Gu

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:095328

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  5. Content type: Research Article

    The number of waveforms monitored in power systems is increasing rapidly. This creates a demand for computational tools that aid in the analysis of the phenomena and also that allow efficient transmission and ...

    Authors: Lisandro Lovisolo, Michel P. Tcheou, Eduardo A. B. da Silva, Marco A. M. Rodrigues and Paulo S. R. Diniz

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:029507

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  6. Content type: Research Article

    A primary problem in waveform distortion assessment in power systems is to examine ways to reduce the effects of spectral leakage. In the framework of DFT approaches, line frequency synchronization techniques ...

    Authors: A. Bracale, G. Carpinelli, R. Langella and A. Testa

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:092191

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  7. Content type: Research Article

    Fluctuations in solar irradiance are a serious obstacle for the future large-scale application of photovoltaics. Occurring regularly with the passage of clouds, they can cause unexpected power variations and i...

    Authors: Achim Woyte, Ronnie Belmans and Johan Nijs

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:080919

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  8. Content type: Research Article

    This paper presents the two main types of classification methods for power quality disturbances based on underlying causes: deterministic classification, giving an expert system as an example, and statistical ...

    Authors: Math H.J. Bollen, Irene Y.H. Gu, Peter G.V. Axelberg and Emmanouil Styvaktakis

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:079747

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  9. Content type: Research Article

    Proliferation of nonlinear loads in power systems has increased harmonic pollution and deteriorated power quality. Not required to have prior knowledge of existing harmonics, Prony analysis detects frequencies...

    Authors: Li Qi, Lewei Qian, Stephen Woodruff and David Cartes

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:048406

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  10. Content type: Research Article

    This paper presents a computational algorithm for identifying power frequency variations and integer harmonics by using wavelet-based transform. The continuous wavelet transform (CWT) using the complex Morlet ...

    Authors: Norman C.F. Tse and L.L. Lai

    Citation: EURASIP Journal on Advances in Signal Processing 2007 2007:038916

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