Elektrotechnik TU Wroclaw

Elektrotechnik TU Wroclaw 10 Datensätze gefunden  Die Suche hat 0.03 Sekunden gedauert. 
1. 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/369/files/
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2. Comparison between DFT, Adaptive Window DFT and EDFT for Power Quality Frequency Spectrum Analysis / Grossoni, M ; Giarnetti, S ; Leccese, F ; Leonowicz, Z [DOI: 10.13140/2.1.3741.1849] [ENY-ARTICLE-2010-292]
Spectral leakage and picket-fence effects associated with the system fundamental frequency variation and improperly selected sampling time window prevents a direct application of the DFT algorithm with a constant sampling rate. [...]
http://zet10.ipee.pwr.wroc.pl/record/364/files/
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3. 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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4. Signal Processing and Power Quality / Leonowicz, Z [ENY-TEACHING-2009-029]
Lecture "Signal Processing and Power Quality".
http://zet10.ipee.pwr.wroc.pl/record/296/files/
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5. Time-frequency analysis of non-stationary phenomena in electrical engineering / Bracale, A ; Carpinelli, G ; Wozniak, K ; Sikorski, T ; et al [I07/2006/I-037] [ENY-ARTICLE-2008-191]
This paper serves the idea of applying joint time-frequency representations in electrical engineering. [...]
http://zet10.ipee.pwr.wroc.pl/record/242/files/
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6. 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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7. Efficient Frequency-Adaptive Amplitude Tracking Algorithms for Protection Purposes / Rebizant, W ; Rusek, B [I08/2003/I-091] [ENY-ARTICLE-2008-159]
The new, fast and adaptive algorithms for measurement of signal amplitude for protection and control purposes are presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/206/files/
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8. 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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9. Time-frequency analysis of non-stationary three phase signals / Leonowicz, Z ; Lobos, T [ENY-ARTICLE-2008-028]
New method of observation and diagnosis of inverter-fed induction motor drives is developed and tested. [...]
http://zet10.ipee.pwr.wroc.pl/record/35/files/
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10. Real-Time Determination of Power System Frequency / Lobos, T ; Rezmer, J [ENY-ARTICLE-2008-009]
The main frequency is an important parameter of an electrical power system. [...]
http://zet10.ipee.pwr.wroc.pl/record/10/files/
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