Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 100 records found  1 - 10nextend  jump to record: Search took 0.02 seconds. 
1. Analysis of Mathematical Modeling of PV Module with MPPT Algorithm / Chitti Babu, B ; Cermak, T ; Gurjar, S ; Leonowicz, Z ; et al [ENY-ARTICLE-2015-364]
This paper presents the mathematical modeling of photovoltaic (PV) module with the effective comparison of two popular maximum power point tracking (MPPT) techniques; Generally, Maximum Power Point Tracking (MPPT) techniques are used in PV System to extract maximum possible power which in turn depends on solar irradiance and temperature of PV module. [...]
http://zet10.ipee.pwr.wroc.pl/record/457/files/
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2. AC Power and Energy Measurements based on Physical Definitions / Kolanko, J ; Leonowicz, Z ; Ladniak, L ; Musz, P ; et al [ENY-ARTICLE-2015-363]
The article presents the AC power measurements based on physical definitions as introduced by the draft German standard DIN 40110 in 1970 and its practical application as a power signal processor. [...]
http://zet10.ipee.pwr.wroc.pl/record/456/files/
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3. Analysis of SDFT based phase detection system for grid synchronization of distributed generation systems / Chitti Babu, B ; Sridharan, K ; Rosolowski, E ; Leonowicz, Z [http://dx.doi.org/10.1016/j.jestch.2014.07.005] [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. [...]
http://zet10.ipee.pwr.wroc.pl/record/455/files/
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4. 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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5. 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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6. Wide-area system of registration and processing of power quality data in power grid with distributed generation Part I. System description, functional tests and synchronous recordings Part II. Localization and tracking of the sources of disturbances / Leonowicz, Z ; Rezmer, J ; Sikorski, T ; Szymanda, J ; et al [ENY-ARTICLE-2014-361]
This paper presents the developed and built comprehensive system of registration, archiving and data processing for the wide-area monitoring of power quality in a separated part of real power grid with distributed renewable generation. [...]
http://zet10.ipee.pwr.wroc.pl/record/452/files/
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7. 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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8. Analysis of Sub-Harmonics in Power Systems / Leonowicz, Z [10.1109/EEEIC.2010.5489951 ] [ENY-ARTICLE-2013-354]
With a wide range of power electronics-related applications in power systems, harmonic currents are increasing at an alarming rate which has greatly deteriorated the power quality in electrical power networks. [...]
http://zet10.ipee.pwr.wroc.pl/record/443/files/
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9. 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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10. Application of the Prony Method for Compensation of Errors in Distance Relays / Trujillo, L ; Conde, A ; Leonowicz, Z [doi: 10.1109/EEEIC.2013.6549580 ] [ENY-ARTICLE-2013-352]
In this paper we propose an application of the Prony method as a filtering technique for distance relays. [...]
http://zet10.ipee.pwr.wroc.pl/record/440/files/
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