Elektrotechnik TU Wroclaw


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Elektrotechnik TU Wroclaw 25 Datensätze gefunden  vorherige11 - 20nächste  gehen zum Datensatz: Die Suche hat 0.04 Sekunden gedauert. 
11. Power quality evaluation using advanced spectrum estimation methods / Leonowicz, Z ; Lobos, T [I07/2006/I-082] [ENY-ARTICLE-2008-174]
The authors show that the use of high-resolution 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 inter/harmonic groups and subgroups) . [...]
http://zet10.ipee.pwr.wroc.pl/record/223/files/
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12. ANN-based Detection of OS Conditions in Power System / Rebizant, W [I08/2000/I-133] [ENY-ARTICLE-2008-152]
In the paper a new neural network based out-of-step protection scheme is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/194/files/
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13. Adaptive estimation of wide range frequency changes for power generator protection and control purposes / Szafran, J ; Rebizant, W ; Michalik, M [I08/1999/I-015] [ENY-ARTICLE-2008-150]
A method and a detailed adaptive algorithm for wide-range frequency change measurement is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/192/files/
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14. Power system frequency estimation / Szafran, J ; Rebizant, W [I08/1998/I-149] [ENY-ARTICLE-2008-149]
A new algorithm of power system frequency estimation is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/191/files/
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15. 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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16. Time-Frequency Analysis of Complex Space-Phasor in Power Electronics / Leonowicz, Z ; Lobos, T ; Sikorski, T [doi:10.1109/TIM.2007.908250] [ENY-ARTICLE-2008-043]
This paper considers applying nonparametric and parametric methods for the calculation of the time–frequency representation of nonstationary signals in power electronics. [...]
http://zet10.ipee.pwr.wroc.pl/record/52/files/
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17. 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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18. 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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19. Power system harmonics estimation using linear least squares method and SVD / Lobos, T ; Kozina, T ; Koglin, H J [ISSN: 1350-2360CODEN: IGTDE2INSPEC: 7099688AZ I07/01/I-073] [ENY-ARTICLE-2008-022]
The paper examines singular value decomposition (SVD) for the estimation of harmonics in signals in the presence of high noise. [...]
http://zet10.ipee.pwr.wroc.pl/record/29/files/
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20. Detection of Remote Harmonics Using SVD / Lobos, T ; Kozina, T ; Osowski, S [I07/1998/I-389] [ENY-ARTICLE-2008-020]
The paper examines the singular value decomposition (SVD) for detection of remote harmonics in signals, in the presence of high noise contaminating the measured waveform. [...]
http://zet10.ipee.pwr.wroc.pl/record/24/files/
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