Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 28 records found  previous11 - 20next  jump to record: Search took 0.02 seconds. 
11. 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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12. New power quality indices / Leonowicz, Z ; [RZ I07/2007/I-024] [ENY-ARTICLE-2008-171]
The author shows 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/220/files/
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13. Simulative Analysis of a New Type Wide Range Estimator of Protection Criterion Values / Szafran, J ; Rebizant, W ; Michalik, M [I08/1998/I-119] [ENY-ARTICLE-2008-160]
In the paper a new adaptive estimator of protection criterion values insensitive to wide range power system frequency changes is proposed and analysed. [...]
http://zet10.ipee.pwr.wroc.pl/record/207/files/
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14. 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. [...]
http://zet10.ipee.pwr.wroc.pl/record/206/files/
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15. The genetic algorithm using to the analysis of thermally stimulated currents spectrum / Rezmer, J ; Gubanski, A ; Wrobel, J M [ENY-ARTICLE-2008-137]
In order to separate individual relaxation processes and estimate the corresponding parameters, the genetic algorithm has been used [4]. [...]
http://zet10.ipee.pwr.wroc.pl/record/175/files/
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16. Parameter estimation of non-stationary signal based on the genetic algorithm / Rezmer, J [ENY-ARTICLE-2008-134]
Proposed method combines numerical differentiation and genetic algorithm. [...]
http://zet10.ipee.pwr.wroc.pl/record/172/files/
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17. Measurement of IEC Groups and Subgroups Using Advanced Spectrum Estimation Methods / Bracale, A ; Carpinelli, G ; Leonowicz, Z ; Lobos, T ; et al [ENY-ARTICLE-2008-117]
The International Electrotechnical Commission (IEC) standards characterize the waveform distortions in power systems with the amplitudes of harmonic and interharmonic groups and subgroups. [...]
http://zet10.ipee.pwr.wroc.pl/record/152/files/
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18. Neural networks for real-time estimation of the basic waveforms of voltages and currents encountered in power systems / Cichocki, A ; Lobos, T [I07/1993/I-141] [ENY-ARTICLE-2008-116]
An electronic artificial neural network architecture is presented for estimating the parameters of a sine wave distorted by a DC exponential signal and corrupted by noise. [...]
http://zet10.ipee.pwr.wroc.pl/record/151/files/
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19. Neural networks for real-time estimation of parameters of signals in power systems / Cichocki, A ; Kostyla, P ; Lobos, T ; Waclawek, Z [I07/1994/I-184] [ENY-ARTICLE-2008-087]
Fast determination of parameters of the fundamental waveform of voltages and currents is essential for the control and protection of electrical power systems. [...]
http://zet10.ipee.pwr.wroc.pl/record/105/files/
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20. Neural networks for real-time estimation of parameters of signals in power systems / Cichocki, A ; Kostyla, P ; Lobos, T ; Waclawek, Z [I07/1999/I-402] [ENY-ARTICLE-2008-068]
The purpose of this paper is to present new algorithms and along with them new architectures of analogue neuron-like adaptive processors for online estimation of parameters of sinusoidal signals, which are distorted by higher harmonics and corrupted by noise. [...]
http://zet10.ipee.pwr.wroc.pl/record/77/files/
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