Repozytorium Eny Politechnika Wrocławska

Repozytorium W. Elektrycznego Politechniki Wrocławskiej Znaleziono 9 rekordów  Szukanie trwało 0.01 sekund. 
Analysis of Distorted Waveforms in Power Converter Systems / Rezmer, J ; Leonowicz, Z [ENY-PREPRINT-2010-011]
The paper presents a method of determining the frequency developed and based on the Prony model. [...]
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Parameter Estimation of Distorted Signals Using Prony Method / Lobos, T ; Rezmer, J ; Schegner, P [ENY-ARTICLE-2008-039]
Modern frequency power converters generate a wide spectrum of harmonic components. [...]
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Computation of Voltage Sag Initiation with Fourier based Algorithm, Kalman Filter and Wavelets / Amaris, H ; Alvarez, A ; Florez, D ; Lobos, T ; et al [ENY-ARTICLE-2009-264]
Dynamic Voltage Restorers (DVR) have been successfully applied for voltage dip mitigation in the last years. [...]
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Spectrum estimation of non-stationary signals in traction systems / Bracale, A ; Carpinelli, G ; Leonowicz, Z ; Lobos, T ; et al [RZ I07/04/I-071] [ENY-ARTICLE-2008-013]
The growing complexity of the AC and DC traction systems in terms of both new technologies and automation requires a careful control of the Power Quality disturbances. [...]
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On some spectrum estimation methods for analysis of non-stationary signals in power systems. Pt. 1. Theoretical Aspects. & Pt. 2. Numerical Applications / Bracale, A ; Carpinelli, G ; Lauria, D ; Leonowicz, Z ; et al [RZ I07/04/I-045RZ I07/04/I-046] [ENY-ARTICLE-2008-012]
Part I Frequency power converters and arc furnaces generate a wide spectrum of harmonic components and interharmonics. [...]
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Parametric methods for time-frequency analysis of electric signals / Leonowicz, Z [ISSN 0324-945x] [ENY-BOOK-2008-001]
The author presents a new approach to spectral analysis of electric signals and related problems encountered in power systems. [...]
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Trimmed estimators for robust averaging of event-related potentials / Leonowicz, Z ; Karvanen, J ; Shishkin, S L [AZ I07/2005/I-002] [ENY-ARTICLE-2009-248]
Averaging (in statistical terms, estimation of the location of data) is one of the most commonly used procedures in neuroscience and the basic procedure for obtaining event-related potentials (ERP). [...]
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Waveform Distortions due to AC/DC converters feeding DC arc furnaces / Bracale, A ; Carpinelli, G ; Leonowicz, Z ; Lobos, T ; et al [RK I07/2005/I-039] [ENY-ARTICLE-2009-241]
The line-commutated converters cause significant harmonic distortions in electrical power systems. [...]
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Evaluation of compensation devices of DC arc furnaces using advanced spectrum estimation methods / Bracale, A ; Carpinelli, G ; Lobos, T ; Leonowicz, Z ; et al [RZ I07/05/I-026] [ENY-ARTICLE-2008-011]
Spectral representation of waveform distor-tions has been of great interest in power systems for many years since the disturbing loads generate a wide spectrum of components which deteriorate the quality of power supply. [...]
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