Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 10 records found  Search took 0.01 seconds. 
1.
Power line fault location using the Complex Space-Phasor and Hilbert-Huang Transform / Bernadić, A ; Leonowicz, Z [I07/2011/I-024] [ENY-PREPRINT-2011-012]
Fault location finding in power system is very important problem in power system monitoring. [...]
http://zet10.ipee.pwr.wroc.pl/record/374/files/
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2.
Fault Location in Power Networks with Mixed Feeders using the Complex Space-Phasor and Hilbert-Huang Transform / Bernadić, A ; Leonowicz, Z [http://dx.doi.org/10.1016/j.ijepes.2012.04.012] [ENY-ARTICLE-2012-339]
The paper introduces a practical approach to power system fault location in power networks using advanced fault signal processing. [...]
http://zet10.ipee.pwr.wroc.pl/record/426/files/
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3.
Determining of Fault Locations with Hilbert – Huang Transformation on XLPE Cables between Land and Offshore Substations / Bernadić, A ; Leonowicz, Z [ENY-ARTICLE-2014-362]
Using of mathematical transformations and digital signal processing (DSP) methods of recorded voltage and currents in power systems in order to extract important informations about physical processes is already known. [...]
http://zet10.ipee.pwr.wroc.pl/record/453/files/
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4.
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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5.
Time-Frequency Analysis of Distorted Electric Signals using a Complex Space-Phasor / Leonowicz, Z [ENY-PREPRINT-2008-004]
We consider applying non-parametric and parametric methods for calculation of time-frequency representation of non-stationary electric waveforms. [...]
http://zet10.ipee.pwr.wroc.pl/record/87/files/
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6.
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. [...]
http://zet10.ipee.pwr.wroc.pl/record/338/files/
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7.
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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8.
Symmetrische Komponenten komplex erweiterter Zeitfunktionen und verallgemeinerter Zeiger / Pytel, J ; Lobos, T ; Krebs, R [I08/1990/I-029] [ENY-ARTICLE-2008-075]
Erweitert man beliebige reelle Zeitfunktionen Komponenten etwa mit Hilfe der Hilbert-Transformation komplex, so lassen sich in Drehstromnetzen die symmetrischen Komponenten dieser komplex erweiterten Zeitfunktionen bilden. [...]
http://zet10.ipee.pwr.wroc.pl/record/93/files/
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9.
Analysis of Three Phase Signal using Wigner Spectrum / Leonowicz, Z ; Lobos, T [ENY-ARTICLE-2008-032]
New method of observation and diagnosis of inverter-fed induction motor drives is developed and tested. [...]
http://zet10.ipee.pwr.wroc.pl/record/39/files/
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10.
Application of lightning location systems for fault detection on transmission and distribution lines / Chrzan, K L ; Bodzak, P ; Gajda, W [ENY-ARTICLE-2012-326]
The lightning location systems were installed in many countries during last twenty years. [...]
http://zet10.ipee.pwr.wroc.pl/record/413/files/
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