Automation and Control

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Analysis of SDFT based phase detection system for grid synchronization of distributed generation systems / Chitti Babu, B ; Sridharan, K ; Rosolowski, E ; Leonowicz, Z [] [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. [...]
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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. [...]
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Temperature monitoring of metal oxide surge arresters / Chrzan, K L ; Hinrichsen, V. [ENY-ARTICLE-2013-343]
Varistor overtemperature above the ambient is an important state parameter of metal oxide surge arresters. [...]
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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. [...]
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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. [...]
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Dielectric properties of polypropylene fabrics with carbon plasma coatings for applications in the technique of electromagnetic field shielding / Jaroszewski, M ; Pospieszna, J ; Ziaja, J [ENY-ARTICLE-2012-307]
Within the current work an attempt was made to use glow discharge low temperature plasma processing to produce carbon coatings on polypropylene unwoven fabric for electromagnetic field shielding applications. [...]
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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. [...]
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Reactive Power Compensation / Kepka, J [ENY-THESIS-2010-014]
Over the last few years, the interest in reactive power compensation has been growing, mainly because of the way in which energy supplier charge a customer for reactive power. [...]
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Control and Grid Synchronization for Distributed Power Generation Systems / Leonowicz, Z [ENY-TEACHING-2010-035]
Overview--- Main DPGS structures, PV and fuel cell (FC) system, Classification of wind turbine (WT) systems with regard to the use of power electronics, Control structures for grid-side converter , Characteristics of control strategies under grid fault conditions , Grid synchronization methods.
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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. [...]
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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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Rekrutacja 2009 -2010 / Lowkis, B [ENY-TEACHING-2009-032]
KIERUNKI STUDIÓW I SPECJALNOŚCI: • Automatyka i Robotyka • Automatyka i Sterowanie w Energetyce • Automatyzacja Maszyn, Pojazdów i Urządzeń • Elektrotechnika • Elektroenergetyka • Inżyniera Elektryczna • Odnawialne źródła energii • Control in Electrical Power Engineering (MSc in English) Program „Podwójny Dyplom” (w języku niemieckim lub angielskim).
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Odors Control with Non-Thermal Plasma Reactor / Czapka, T ; Mielcarek, W ; Warycha, J ; Prociow, K ; et al [AZ I07/2008/I-087] [ENY-ARTICLE-2009-255]
Recent public concern about air pollution from production units has prompted more research to develop methods to reduce and control odors. [...]
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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. [...]
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Probabilistic Analysis of Voltage Deviations in the Distribution Network with Small Synchronous Generators / Sobierajski, M ; Rojewski, W [ENY-ARTICLE-2009-245]
Fulfilling voltage quality requirements may produce the bottleneck of sending the whole local generation to the medium voltage network. [...]
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Effects of Surface Modification of Polypropylene Foil on Polymer - Oil Interaction / Pospieszna, J ; Tyman, A ; Juchniewicz, J [ENY-ARTICLE-2008-229]
Physico-chemical interactions between the impregnating oil and the polypropylene foil (PP) are of great concern. [...]
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Capacitance Changes in Degraded Metal Oxide Varistors / Jaroszewski, M ; Wieczorek, K ; Bretuj, W ; Kostyla, P [ENY-ARTICLE-2008-178]
ZnO based ceramics show a highly nonlinear current-voltage (I-V) characteristic due to intergranular layers at the boundaries of ZnO grains. [...]
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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. [...]
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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. [...]
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Analysis of nonstationary electric signals using the S-transform. Zastosowanie transformaty S do analizy sygnałów niestacjonarnych w elektrotechnice / Leonowicz, Z ; Lobos, T ; Wozniak, K [I07/2005/I-018] [ENY-ARTICLE-2008-110]
Contemporary power systems, which contain a considerable number of non-linear loads, require advanced methods of spectral analysis for their investigation and control. [...]
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