Elektrotechnik TU Wroclaw

Elektrotechnik TU Wroclaw 36 Datensätze gefunden  Anfangvorherige27 - 36  gehen zum Datensatz: Die Suche hat 0.01 Sekunden gedauert. 
27. Optimal Sizing of Fixed Capacitor Banks Placed on a Distorted Interconnected Distribution Networks by Genetic Algorithms / Galal Sayed, A ; Hosam K M, Y [ENY-ARTICLE-2008-138]
In this paper, the optimal sizing of fixed capacitor banks problem in a distorted interconnected distribution system is formulated and solved by a Genetic Algorithm (GA) solution technique to minimize the cost of power production and capacitor banks under the constraints include voltage limits , sizes of installed capacitors and Total Harmonic Distortion (THD), the algorithm is applied on IEEE 30-bus test system and the results are given for different cases: Light and heavy harmonic cases. [...]
http://zet10.ipee.pwr.wroc.pl/record/176/files/
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28. Distribution System Reliability Evaluation Incorporating the Effect of Voltage Stability Index / Mohanta, D K ; Jaya Bharata Reddy, M ; Singh, A ; Papneja, J K ; et al [ENY-ARTICLE-2008-132]
A distribution system is the system of an overall power system which links the bulk system to the individual customers. [...]
http://zet10.ipee.pwr.wroc.pl/record/170/files/
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29. Investigations of Influence on Power Quality of Superconducting Fault Current Limiter / Leonowicz, Z ; Xin, Y ; Rezmer, J ; Cao, Z ; et al [I07/2007/I-050] [ENY-ARTICLE-2008-120]
Waveforms obtained from a superconducting Fault Current Limiter are investigated using the Prony modeling technique. [...]
http://zet10.ipee.pwr.wroc.pl/record/155/files/
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30. Measurement of IEC Groups and Subgroups Using Advanced Spectrum Estimation Methods / Bracale, A ; Carpinelli, G ; Leonowicz, Z ; Lobos, T ; et al [ENY-ARTICLE-2008-117]
The International Electrotechnical Commission (IEC) standards characterize the waveform distortions in power systems with the amplitudes of harmonic and interharmonic groups and subgroups. [...]
http://zet10.ipee.pwr.wroc.pl/record/152/files/
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31. Analysis of power quality disturbances using the S-Transform / Leonowicz, Z ; Lobos, T ; Wozniak, K [I07/2007/I-009] [ENY-ARTICLE-2008-111]
The method presented in this paper employs recently introduced S-transform which is an important development of STFT with improved properties. [...]
http://zet10.ipee.pwr.wroc.pl/record/140/files/
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32. Analysis of nonstationary electric signals using the S-transform. Zastosowanie transformaty S do analizy sygnałów niestacjonarnych w elektrotechnice / Leonowicz, Z ; Lobos, T ; Wozniak, K [I07/2005/I-018] [ENY-ARTICLE-2008-110]
Contemporary power systems, which contain a considerable number of non-linear loads, require advanced methods of spectral analysis for their investigation and control. [...]
http://zet10.ipee.pwr.wroc.pl/record/139/files/
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33. 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/47/files/
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34. Parametric Spectral Estimation for Power Quality Assessment / Leonowicz, Z ; Lobos, T [1-4244-0813-X/07/$20.00 2007 IEEE] [ENY-ARTICLE-2008-025]
The authors show that the use of highresolution spectrum estimation methods instead of Fourier-based techniques can improve the accuracy of measurement of spectral parameters of distorted waveforms encountered in power systems, in particular the estimation of the power quality indices (such as harmonic and interharmonic groups and subgroups). [...]
http://zet10.ipee.pwr.wroc.pl/record/32/files/
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35. Classification of low voltage distribution networks by means of voltage distortion. / Schegner, P ; Meyer, J ; Lobos, T ; Waclawek, Z ; et al [RZ I07/05/I-033] [ENY-ARTICLE-2008-010]
Determination of power quality becomes more and more important in the future. [...]
http://zet10.ipee.pwr.wroc.pl/record/12/files/
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36. 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/11/files/
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