Repozytorium Eny Politechnika Wrocławska

Repozytorium W. Elektrycznego Politechniki Wrocławskiej Znaleziono 16 rekordów  1 - 10następny  skocz do rekordu: Szukanie trwało 0.01 sekund. 
1.
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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2.
Detection of Short Transients and Interruptions using the Hilbert Transform / Caciotta, M ; Giarnetti, S ; Leccese, F ; Leonowicz, Z [ENY-ARTICLE-2009-269]
In electrical energy power networks, disturbances can cause problems in electronic devices so their monitoring is fundamental in Power Quality. [...]
http://zet10.ipee.pwr.wroc.pl/record/337/files/
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3.
Wavelets and Hilbert Transform for detection of short disturbances in electrical power networks / Caciotta, M ; Giarnetti, S ; Leccese, F ; Leonowicz, Z [ENY-ARTICLE-2010-287]
In electrical energy power network, disturbances can cause problems in electronic devices therefore their monitoring is fundamental to properly design the protection and compensation devices. [...]
http://zet10.ipee.pwr.wroc.pl/record/357/files/
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4.
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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5.
Analysis of Recursive DFT Filtering Based Grid Synchronization of Distributed Generation System / Chitti Babu, B ; Sridharan, K ; Rosolowski, E ; Leonowicz, Z [I08/2014/I-069] [ENY-PREPRINT-2014-014]
A converter-interfaced distributed generation (DG) system, like, wind power system, photovoltaic (PV) and micro-turbine-generator system, requires a fast and exact detection of phase and fundamental frequency of grid current in order to implement the control algorithm of power converters by generating reference currents signals. [...]
http://zet10.ipee.pwr.wroc.pl/record/454/files/
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6.
Real-Time Parameter Estimation of Signals in Converter Fed Drives using Adaptive Neural Networks / Lobos, T ; Koglin, H J ; Waclawek, Z [ENY-ARTICLE-2008-031]
Frequency converter-fed induction motor drives were simulated using the EMTP-ATP (Electromagnetic Transients Program - Alternative Transients Program) The aim of the simulation investigations is to develop a feasible method for drive visualisation and for diagnosis of different unsymmetrical operations. [...]
http://zet10.ipee.pwr.wroc.pl/record/38/files/
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7.
Intelligent wireless street lighting system / Leccese, F ; Leonowicz, Z [Digital Object Identifier: 10.1109/EEEIC.2012.6221515] [ENY-ARTICLE-2012-337]
We propose an innovative wireless street lighting system with optimized management and efficiency. [...]
http://zet10.ipee.pwr.wroc.pl/record/424/files/
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8.
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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9.
Analysis of SDFT based phase detection system for grid synchronization of distributed generation systems / Chitti Babu, B ; Sridharan, K ; Rosolowski, E ; Leonowicz, Z [http://dx.doi.org/10.1016/j.jestch.2014.07.005] [ENY-PREPRINT-2014-015]
A fast and exact detection of phase and fundamental frequency of grid voltage/current is essential for calculating accurate reference signal in order to implement the control algorithm of inverter-interfaced distributed generation (DG) system and realize precise harmonic compensation. [...]
http://zet10.ipee.pwr.wroc.pl/record/455/files/
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10.
Real-time Implementation of Adaptive Amplitude Estimators for Protection and Control Purposes. / Rebizant, W ; Staszewski, J ; Lee, S J ; Kang, S H [I08/2003/I-067] [ENY-ARTICLE-2008-151]
In the paper a new fast and adaptive scheme for measurement of signal amplitude for protection and control purposes is presented. [...]
http://zet10.ipee.pwr.wroc.pl/record/193/files/
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