Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 19 records found  previous11 - 19  jump to record: Search took 0.00 seconds. 
Proceedings of the 8. International Conference on Environment and Electrical Engineering, Karpacz, Poland, 10-13. May 2009 / Schwarz, H ; Leonowicz, Z [ENY-PREPRINT-2009-010]
The aim of the Conference is to promote a Forum, where people involved with electrical power systems may exchange their experiences and present solutions found for actual and future problems. [...]
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Renewable Energy Sources in Poland / Leonowicz, Z [ENY-TEACHING-2010-037]
Status of RES in Poland in 2010. [...]
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Street Lighting Management System “Jupiter” / Pliszczak, R [ENY-THESIS-2010-013]
Last year (2009) in September on the company Elektrotim S. [...]
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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. [...]
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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. [...]
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Time-varying signal parameters for assessment of disturbances in wind energy systems / Lobos, T ; Schegner, P ; Sikorski, T [ENY-ARTICLE-2009-270]
This paper proposes some extended method for assessment of transient disturbances in wind energy systems. [...]
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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. [...]
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Wind Power Generation-related Power Quality Issues / Lu, Y [ENY-ARTICLE-2008-144]
As a promising renewable alternative, the wind power is highly expected to contribute a significant part of generation in power systems in the future, but this also bring new integration related power quality issues, which mainly consist of power flow fluctuation analyzed with current, voltage fluctuation and flicker severity factor (P lt and P st ) as ‘ case study ’ , by its comparatively new characteristics, due to the fluctuation nature of the wind (velocity) and the comparatively new type of its generators (currently popular type of squirrel-cage induction). [...]
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Analysis of distorted waveforms using parametric spectrum estimation methods and robust averaging / Leonowicz, Z [ENY-ARTICLE-2008-074]
After the description of parametric methods (ESPRIT and MUSIC) and selected robust location measures (robust averaging methods), the comparison of the frequency and amplitude estimation error, based on numerical simulation is presented. [...]
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