Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 192 records found  previous26 - 50nextend  jump to record: Search took 0.02 seconds. 
26. 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/
Detailed record - Similar records
27. 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/
Detailed record - Similar records
28. 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/
Detailed record - Similar records
29. 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/
Detailed record - Similar records
30. 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/
Detailed record - Similar records
31. 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/
Detailed record - Similar records
32. 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/
Detailed record - Similar records
33. 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/
Detailed record - Similar records
34. 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/
Detailed record - Similar records
35. 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/
Detailed record - Similar records
36. 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/
Detailed record - Similar records
37. 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/
Detailed record - Similar records
38. 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/
Detailed record - Similar records
39. 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/
Detailed record - Similar records
40. 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/
Detailed record - Similar records
41. 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/
Detailed record - Similar records
42. 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/
Detailed record - Similar records
43. Two Brain Signal (EEG) processing applications / Leonowicz, Z [ENY-ARTICLE-2009-238]
Trimmed estimators are a class of robust estimators of data locations which can help to improve averaging of experimental data when: number of experiments is small, data are highly nonstationary, data include outliers. [...]
http://zet10.ipee.pwr.wroc.pl/record/299/files/
Detailed record - Similar records
44. Effect of silicone rubber insulators' profiles on their ageing performance in rain conditions / Bretuj, W ; Fleszynski, J ; Tyman, A ; Wieczorek, K [ENY-ARTICLE-2009-236]
Numerous studies have been conducted to understand the effect of insulator profiles on ceramic insulators, whereas for polymer insulators this problem has not sufficiently examined. [...]
http://zet10.ipee.pwr.wroc.pl/record/295/files/
Detailed record - Similar records
45. X-Ray Emission Accompanying the Cathode Microdischarge / Mazurek, B ; Nowak, A ; Tyman, A [ENY-ARTICLE-2009-235]
Electrical discharge in vacuum is accompanied by X-ray radiation and knowledge of the generation mechanism of radiation may lead to its practical use. [...]
http://zet10.ipee.pwr.wroc.pl/record/294/files/
Detailed record - Similar records
46. Internal Arcing Test on Polluted High Voltage Surge Arresters / Chrzan, K L ; Kohler, W ; Feser, K [ENY-ARTICLE-2009-234]
A test to prove the performance of extremely non-uniform polluted single unit metal oxide (MO) and gapped arresters (SiCA) is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/293/files/
Detailed record - Similar records
47. Influence of High Voltage Insulator on Pollution Flashover Voltage / Wankowicz, J G ; Pohl, Z [ENY-ARTICLE-2009-233]
Results of pollution flashover voltage measurements and optical observation obtained for high voltage insulators placed in the vertical and the horizontal positions are presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/292/files/
Detailed record - Similar records
48. Insulators Glaze Modified by Plasma Processes / Tyman, A ; Pospieszna, J ; Juchniewicz, J [ENY-ARTICLE-2009-232]
Surface properties of electrical insulators are responsible for their behaviour, especially during heavy rains in contaminated areas. [...]
http://zet10.ipee.pwr.wroc.pl/record/291/files/
Detailed record - Similar records
49. Special Insulator for Installation of Optical Phase Conductor on 15 kV Line / Argasinska, H ; Fleszynski, J ; Sojda, E ; Tyman, A [ENY-ARTICLE-2008-231]
Thanks to the recent improvements in the technology of glass fibres and the development of digital data transmission techniques, optical fibres have made their way into power distribution and industry. [...]
http://zet10.ipee.pwr.wroc.pl/record/286/files/
Detailed record - Similar records
50. Effects of Surface Modification of Polypropylene Foil on Polymer - Oil Interaction / Pospieszna, J ; Tyman, A ; Juchniewicz, J [ENY-ARTICLE-2008-229]
Physico-chemical interactions between the impregnating oil and the polypropylene foil (PP) are of great concern. [...]
http://zet10.ipee.pwr.wroc.pl/record/284/files/
Detailed record - Similar records

Electrical Engineering Wroclaw University of Technology : 192 records found   previous26 - 50nextend  jump to record:
Haven't found what you were looking for? Try your search on other servers:
poland in Google Books
poland in Google Scholar
poland in Google Web
poland in INSPEC