Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 300 records found  beginprevious76 - 100nextend  jump to record: Search took 0.02 seconds. 
76. Nonlinear regression applied for power quality disturbances characterization in grids with wind generators / Janik, P ; Lobos, T ; Rezmer, J ; Waclawek, Z [I07/2009/I-035] [ENY-ARTICLE-2009-267]
The impact of wind generation on the electrical system should be assessed to figure out potential hazards to system operation and deterioration of power quality indices. [...]
http://zet10.ipee.pwr.wroc.pl/record/335/files/
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77. Adaptation of SVD and Prony method for precise computation of current components in networks with wind generation. / Janik, P ; Rezmer, J ; Ruczewski, P ; Waclawek, Z ; et al [I07/2009/I-037] [ENY-ARTICLE-2009-266]
Precise computation of current components is a key prerequisite for reliable assessment of power quality. [...]
http://zet10.ipee.pwr.wroc.pl/record/334/files/
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78. Assessment of transient disturbances in HV systems with single-phase autoreclosures / Lobos, T ; Schegner, P ; Sikorski, T [ENY-ARTICLE-2009-265]
This paper proposes some extended method for assessment of transient disturbances in HV system with single-phase autoreclosures. [...]
http://zet10.ipee.pwr.wroc.pl/record/333/files/
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79. 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/332/files/
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80. Computation of Spectral Components in System with Wind Generation Unit / Janik, P ; Lobos, T ; Rezmer, J ; Schegner, P ; et al [ENY-ARTICLE-2009-263]
Signal parameters estimation is an important prerequisite for assessment of power quality (PQ) indices. [...]
http://zet10.ipee.pwr.wroc.pl/record/331/files/
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81. Power Quality Analysis of Grid-Connected Wind Turbine System / Janik, P ; Lobos, T ; Rezmer, J ; Sikorski, T [ENY-ARTICLE-2009-262]
In this paper time-frequency methods have been investigated for complex investigations of transient states in wind power plants. [...]
http://zet10.ipee.pwr.wroc.pl/record/330/files/
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82. Selected Problems of Circuit Theory Assignment No. 3 Analysis of Chosen Nonlinear System Pendulum: Due to Newton / Szafron, C [ENY-TEACHING-2009-031]
A pendulum is a weight suspended from a pivot so it can swing freely. [...]
http://zet10.ipee.pwr.wroc.pl/record/322/files/
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83. Odors Control with Non-Thermal Plasma Reactor / Czapka, T ; Mielcarek, W ; Warycha, J ; Prociow, K ; et al [AZ I07/2008/I-087] [ENY-ARTICLE-2009-255]
Recent public concern about air pollution from production units has prompted more research to develop methods to reduce and control odors. [...]
http://zet10.ipee.pwr.wroc.pl/record/317/files/
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84. Power Distortion Issues in Wind Turbine Power Systems Under Transient States / Lobos, T ; Rezmer, J ; Sikorski, T ; Waclawek, Z [AZ I07/2009/I-001] [ENY-ARTICLE-2009-254]
In this paper time-frequency methods have been investigated for complex investigations of transient states in wind power plants. [...]
http://zet10.ipee.pwr.wroc.pl/record/316/files/
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85. Wavelets an Hilbert Transform methods for detection of voltage dips and micro interruptions / Caciotta, M ; Giarnetti, S ; Leccese, F ; Leonowicz, Z ; et al [ENY-PREPRINT-2009-009]
In electrical energy power network, disturbances can cause problems in electronic devices therefore their monitoring is fundamental in Power Quality field both to properly dimension protections and to calculate compensations in case of malfunction of the apparatus. [...]
http://zet10.ipee.pwr.wroc.pl/record/315/files/
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86. Analysis of non-stationary electric signals using the S-transform / Leonowicz, Z ; Lobos, T ; Wozniak, K [ENY-ARTICLE-2009-253]
Purpose – The purpose of this paper is to compare the accuracy of tracking the amplitude and frequency changes of non-stationary electric signals. [...]
http://zet10.ipee.pwr.wroc.pl/record/314/files/
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87. Identification of Out-of-Step Operation of Synchronous Machines Using High Resolution Spectrum Estimation Methods / Koglin, H J ; Leonowicz, Z ; Lobos, T [RK I07/2002/I-046] [ENY-ARTICLE-2009-252]
The out-of-step operation conditions of a synchronous machine may occur as a result of a power system three-phase fault. [...]
http://zet10.ipee.pwr.wroc.pl/record/313/files/
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88. Modern spectral analysis of non-stationary signals in electrical power systems / Leonowicz, Z ; Lobos, T ; Schegner, P [RZ I07/2002/I-048] [ENY-ARTICLE-2009-251]
A novel approach to harmonic and interharmonic analysis, based on the “subspace” methods, is proposed. [...]
http://zet10.ipee.pwr.wroc.pl/record/312/files/
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89. Advanced spectral analysis of out-of-step operation of synchronous machines / Leonowicz, Z ; Lobos, T [RZ I07/2003/I-068] [ENY-ARTICLE-2009-250]
The out-of-step operation conditions of a synchronous machine may occur as a result of a power system three-phase fault. [...]
http://zet10.ipee.pwr.wroc.pl/record/311/files/
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90. Automatic Fault Classification in Power Electronics Using Time-Frequency Distribution and Neural Networks / Leonowicz, Z ; Lobos, T [RZ I07/2003/I-077] [ENY-ARTICLE-2009-249]
A new method of fault analysis and detection by signal classification in frequency converters is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/310/files/
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91. 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). [...]
http://zet10.ipee.pwr.wroc.pl/record/309/files/
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92. A Two-Stage Method of Localization of Sources of Harmonics in Current in a Power System / Pyzalski, T ; Wilkosz, K [ENY-ARTICLE-2009-247]
The paper deals with localization of sources of harmonics in a power system. [...]
http://zet10.ipee.pwr.wroc.pl/record/308/files/
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93. Determination of Resonant Frequencies for a Power System: A New Approach / Sulka, T ; Wilkosz, K [ENY-ARTICLE-2009-246]
The paper deals with the harmonic resonance problem. [...]
http://zet10.ipee.pwr.wroc.pl/record/307/files/
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94. Probabilistic Analysis of Voltage Deviations in the Distribution Network with Small Synchronous Generators / Sobierajski, M ; Rojewski, W [ENY-ARTICLE-2009-245]
Fulfilling voltage quality requirements may produce the bottleneck of sending the whole local generation to the medium voltage network. [...]
http://zet10.ipee.pwr.wroc.pl/record/306/files/
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95. Model order selection criteria: comparative study and applications / Leonowicz, Z ; Karvanen, J ; Tanaka, T ; Rezmer, J [AK I07/2005/I-002] [ENY-ARTICLE-2009-244]
A practical application of information theoretic criteria is presented in this paper. [...]
http://zet10.ipee.pwr.wroc.pl/record/305/files/
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96. EEG filtering based on blind source separation (BSS) for early detection of Alzheimer's disease / Cichocki, A ; Shishkin, S L ; Musha, T ; Leonowicz, Z ; et al [AZ I07/2005/I-022] [ENY-ARTICLE-2009-243]
Objective: Development of an EEG preprocessing technique for improvement of detection of Alzheimer’s disease (AD). [...]
http://zet10.ipee.pwr.wroc.pl/record/304/files/
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97. Spectrum estimation methods for signal analysis in the supply system of DC arc furnace / Leonowicz, Z ; Lobos, T ; Rezmer, J [RZ I07/2005/I-023] [ENY-ARTICLE-2009-242]
In this paper, Prony and root-MUSIC methods are applied for analysis of waveforms from the DC arc furnace supply. [...]
http://zet10.ipee.pwr.wroc.pl/record/303/files/
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98. 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/302/files/
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99. Performance of parametric spectrum estimation methods / Leonowicz, Z [RK I07/2006/I-019] [ENY-ARTICLE-2009-240]
W pracy przedstawiono porównanie dokładności wyznaczania częstotliwości i amplitudy składowych sygnałów harmonicznych odkształconych przy pomocy parametrycznych metod estymacji widma: MUSIC i ESPRIT. [...]
http://zet10.ipee.pwr.wroc.pl/record/301/files/
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100. Automated Classification of Power Quality Disturbances using SVM and RBF Networks / Janik, P ; Lobos, T [ENY-ARTICLE-2009-239]
The authors propose a new method of power quality classification using SVM (Support Vector Machine) neural networks. [...]
http://zet10.ipee.pwr.wroc.pl/record/300/files/
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Electrical Engineering Wroclaw University of Technology : 300 records found   beginprevious76 - 100nextend  jump to record:
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