Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 15 records found  1 - 10next  jump to record: Search took 0.02 seconds. 
1. 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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2. Assessing the benefits and risks of application of inverter drives in industry / Leonowicz, Z ; Lempart, A [Digital Object Identifier: 10.1109/EEEIC.2012.6221562] [ENY-ARTICLE-2012-336]
This paper presents the impact assessment of converters installed in an industrial plant on the power quality in internal power grid of the plant. [...]
http://zet10.ipee.pwr.wroc.pl/record/423/files/
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3. Impact of Characteristics of Block-Transformers on Inrush Currents and Voltage Distortions at the Connection Point of Wind Parks / Bernadić, A ; Brnadić, I ; Leonowicz, Z [Digital Object Identifier: 10.1109/EEEIC.2012.6221522] [ENY-ARTICLE-2012-335]
In the procedure of connecting large wind parks (WP) to the external power grid, TSO's or DSO's request is that WPs in operation do not excessively affect the power quality in the connection point. [...]
http://zet10.ipee.pwr.wroc.pl/record/422/files/
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4. 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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5. Assessment of transient disturbances in HV systems with single-phase autoreclosures / Lobos, T ; Schegner, P ; Sikorski, T [ENY-ARTICLE-2009-265]
This paper proposes some extended method for assessment of transient disturbances in HV system with single-phase autoreclosures. [...]
http://zet10.ipee.pwr.wroc.pl/record/333/files/
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6. Waveform Distortions due to AC/DC converters feeding DC arc furnaces / Bracale, A ; Carpinelli, G ; Leonowicz, Z ; Lobos, T ; et al [RK I07/2005/I-039] [ENY-ARTICLE-2009-241]
The line-commutated converters cause significant harmonic distortions in electrical power systems. [...]
http://zet10.ipee.pwr.wroc.pl/record/302/files/
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7. Harmonics - Power Quality / Leonowicz, Z [ENY-TEACHING-2009-031]
Lecture "Harmonic - Power Quality".
http://zet10.ipee.pwr.wroc.pl/record/297/files/
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8. 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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9. Origin of Power Quality Disturbances / Leonowicz, Z [ENY-TEACHING-2009-027]
Lecture based on M. [...]
http://zet10.ipee.pwr.wroc.pl/record/289/files/
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10. 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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