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Emerging Signal Processing Techniques for Power Quality Applications

  1. Research Article

    Classification of Single and Multiple Disturbances in Electric Signals

    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...

    Moisés Vidal Ribeiro and José Luiz Rezende Pereira

    EURASIP Journal on Advances in Signal Processing 2007 2007:056918

    Published on: 29 July 2007

  2. Research Article

    Detection of Disturbances in Voltage Signals for Power Quality Analysis Using HOS

    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...

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

    EURASIP Journal on Advances in Signal Processing 2007 2007:059786

    Published on: 30 April 2007

  3. Research Article

    Wavelet Transform for Processing Power Quality Disturbances

    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...

    S. Chen and H. Y. Zhu

    EURASIP Journal on Advances in Signal Processing 2007 2007:047695

    Published on: 10 April 2007

  4. Research Article

    Modeling of Electric Disturbance Signals Using Damped Sinusoids via Atomic Decompositions and Its Applications

    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 ...

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

    EURASIP Journal on Advances in Signal Processing 2007 2007:029507

    Published on: 5 March 2007

  5. Research Article

    Accurate Methods for Signal Processing of Distorted Waveforms in Power Systems

    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 ...

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

    EURASIP Journal on Advances in Signal Processing 2007 2007:092191

    Published on: 27 February 2007

  6. Research Article

    Classification of Underlying Causes of Power Quality Disturbances: Deterministic versus Statistical Methods

    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 ...

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

    EURASIP Journal on Advances in Signal Processing 2007 2007:079747

    Published on: 8 February 2007

  7. Research Article

    Challenges and Trends in Analyses of Electric Power Quality Measurement Data

    Power quality monitoring has expanded from a means to investigate customer complaints to an integral part of power system performance assessments. Besides special purpose power quality monitors, power quality ...

    Mark F. McGranaghan and Surya Santoso

    EURASIP Journal on Advances in Signal Processing 2007 2007:057985

    Published on: 8 February 2007

  8. Research Article

    Prony Analysis for Power System Transient Harmonics

    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...

    Li Qi, Lewei Qian, Stephen Woodruff and David Cartes

    EURASIP Journal on Advances in Signal Processing 2007 2007:048406

    Published on: 7 February 2007

  9. Research Article

    Wavelet-Based Algorithm for Signal Analysis

    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 ...

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

    EURASIP Journal on Advances in Signal Processing 2007 2007:038916

    Published on: 10 January 2007