Energetyka wiatrowa

Ostatnio dodane
2014-10-17
10:42
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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2014-05-24
01:14
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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2013-11-20
16:18
Assessment of Power Quality in Wind Power Systems / Leonowicz, Z [DOI:10.1109/EEEIC.2011.5874665 ] [ENY-ARTICLE-2013-360]
Wind power generation systems influence power quality in a very specific manner creating the requirements for detailed and correct analysis of disturbances caused by wind generators. [...]
http://zet10.ipee.pwr.wroc.pl/record/451/files/
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2013-09-18
20:20
Error Compensation in Distance Relays Caused by Wind Power Plants in the Power Grid / Trujillo, L ; Conde, A ; Leonowicz, Z [http://www.sciencedirect.com/science/article/pii/S0378779613002198] [ENY-PREPRINT-2013-013]
This article presents the Prony method as a filtering technique for distance relays. [...]
http://zet10.ipee.pwr.wroc.pl/record/442/files/
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2012-08-03
06:28
Condition Monitoring & Fault Diagnosis System for Offshore Wind Turbines / Ouadie, B ; Heraud, N ; Leonowicz, Z [Digital Object Identifier: 10.1109/EEEIC.2012.6221389] [ENY-ARTICLE-2012-338]
Due to the technological development, the electronic power progress and economic stake, through the use of Wound Rotor Induction Motor (WRIM) has taken more and more places in different domains (transport, energy production, electric drive. [...]
http://zet10.ipee.pwr.wroc.pl/record/425/files/
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2012-08-03
06:08
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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2011-06-24
13:15
Wind Energy Conversion Systems Grid Connection / Szafron, C [preprint] [ENY-THESIS-2011-018]
The first part of the thesis contains an introduction into wind turbine construction concepts, such as wind turbine design, performance and electrical systems used in wind turbines operating at fixed speed and variable speed. [...]
http://zet10.ipee.pwr.wroc.pl/record/376/files/
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2010-11-27
16:37
Renewable Energy Sources in Poland / Leonowicz, Z [ENY-TEACHING-2010-037]
Status of RES in Poland in 2010. [...]
http://zet10.ipee.pwr.wroc.pl/record/370/files/
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2010-11-02
15:55
Reliability and Renewable Sources / Gono, R [ENY-TEACHING-2010-036]
Reliability in electrical power system Renewable Sources. [...]
http://zet10.ipee.pwr.wroc.pl/record/368/files/
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2010-10-03
16:30
Współspalanie węgla i biomasy w polskich zakładach wytwórczych energii elektrycznej – wybrane aspekty prawne. / Kilian, L [ENY-THESIS-2010-015]
Praca obejmuje ocenę problemów związanych ze współspalaniem biomasy w kotłach energetycznych, aktualne regulacje prawne i planowane zmiany legislacyjne dotyczące energii odnawialnej wytwarzanej w procesach wspłóspalania. [...]
http://zet10.ipee.pwr.wroc.pl/record/365/files/
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2010-01-22
16:15
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.
http://zet10.ipee.pwr.wroc.pl/record/351/files/
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2010-01-22
16:08
Power-Electronic Systems for the Grid Integration of Renewable Energy Sources / Leonowicz, Z [ENY-TEACHING-2010-034]
--Outline-- New trends in power electronics for the integration of wind and photovoltaic Review of the appropriate storage-system technology Future trends in renewable energy systems based on reliability and maturity --Introduction-- Increasing number of renewable energy sources and distributed generators New strategies for the operation and management of the electricity grid Improve the power-supply reliability and quality Liberalization of the grids leads to new management structures.
http://zet10.ipee.pwr.wroc.pl/record/350/files/
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2009-10-27
17:37
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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2009-10-27
10:23
Power Quality in Wind Power Systems / Leonowicz, Z [ENY-ARTICLE-2009-268]
Wind power generation systems influence power quality in a specific way making important the need for detailed and accurate evaluation of disturbances caused by wind generators. [...]
http://zet10.ipee.pwr.wroc.pl/record/336/files/
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2009-10-27
09:46
Nonlinear regression applied for power quality disturbances characterization in grids with wind generators / Janik, P ; Lobos, T ; Rezmer, J ; Waclawek, Z [I07/2009/I-035] [ENY-ARTICLE-2009-267]
The impact of wind generation on the electrical system should be assessed to figure out potential hazards to system operation and deterioration of power quality indices. [...]
http://zet10.ipee.pwr.wroc.pl/record/335/files/
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2009-10-27
09:40
Adaptation of SVD and Prony method for precise computation of current components in networks with wind generation. / Janik, P ; Rezmer, J ; Ruczewski, P ; Waclawek, Z ; et al [I07/2009/I-037] [ENY-ARTICLE-2009-266]
Precise computation of current components is a key prerequisite for reliable assessment of power quality. [...]
http://zet10.ipee.pwr.wroc.pl/record/334/files/
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2009-10-24
11:25
Computation of Voltage Sag Initiation with Fourier based Algorithm, Kalman Filter and Wavelets / Amaris, H ; Alvarez, A ; Florez, D ; Lobos, T ; et al [ENY-ARTICLE-2009-264]
Dynamic Voltage Restorers (DVR) have been successfully applied for voltage dip mitigation in the last years. [...]
http://zet10.ipee.pwr.wroc.pl/record/332/files/
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2009-10-24
11:19
Computation of Spectral Components in System with Wind Generation Unit / Janik, P ; Lobos, T ; Rezmer, J ; Schegner, P ; et al [ENY-ARTICLE-2009-263]
Signal parameters estimation is an important prerequisite for assessment of power quality (PQ) indices. [...]
http://zet10.ipee.pwr.wroc.pl/record/331/files/
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2009-10-22
11:20
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. [...]
http://zet10.ipee.pwr.wroc.pl/record/330/files/
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2009-08-28
18:41
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. [...]
http://zet10.ipee.pwr.wroc.pl/record/326/files/
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