Electrical Engineering Wroclaw University of Technology

Electrical Engineering Wroclaw University of Technology 292 records found  beginprevious201 - 210nextend  jump to record: Search took 0.02 seconds. 
201. Time-Frequency Representation for Non-Stationary Phenomena in Electrical Engineering / Sikorski, T ; Ruczewski, P ; Lobos, T [I07/2004/I-018] [ENY-ARTICLE-2008-118]
The paper introduces two-dimensional method of observation and diagnosis of non-stationary signals in electrical engineering. [...]
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202. 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. [...]
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203. 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. [...]
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204. An assessment of ageing of oxide varistors exposed to pulse hazards using dielectric spectroscopy / Jaroszewski, M ; Pospieszna, J [I07/2004/I-019] [ENY-ARTICLE-2008-115]
The common use of zinc oxide varistors has brought about qualitative changes in the overvoltage protection of electronic and electric power equipment. [...]
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205. Analysis of power quality disturbances using the S-Transform / Leonowicz, Z ; Lobos, T ; Wozniak, K [I07/2007/I-009] [ENY-ARTICLE-2008-111]
The method presented in this paper employs recently introduced S-transform which is an important development of STFT with improved properties. [...]
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206. Analysis of three-phase chopper circuits controlled by asymmetrical firing of thyristors / Lobos, T ; Wordoffa, A [I08/1987/I-411] [ENY-ARTICLE-2008-109]
Using thyristor and thyristor-diode ac choppers causes distortion of currents and voltages in electrical power networks. [...]
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207. Application of higher-order spectra for signal processing in electrical power engineering / Leonowicz, Z ; Lobos, T ; Ruczewski, P ; Szymanda, J [I07/1997/I-317] [ENY-ARTICLE-2008-108]
During recent years higher order statistics (HOS) have found a wide applicability in many diverse fields, e. [...]
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208. Bipolar problem of space-charge in dielectric : II. System with trapping. / Swistacz, B [I07/1984/P-183] [ENY-ARTICLE-2008-107]
A model of dielectric with bipolar injection of charge and with trapping taken into account is presented. [...]
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209. Bipolar problem of space-charge in dielectric : I. System without trapping. / Swistacz, B [I07/1984/P-182] [ENY-ARTICLE-2008-106]
A model of a dielectric with bipolar injection of charge in the form of a plane parallel capacitor is presented. [...]
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210. Transient states of electric conduction in solid dielectrics including carrier recombination : 2. Ideal dielectric with deep traps. / Swistacz, B [I07/1985/P-237] [ENY-ARTICLE-2008-105]
Electric conduction in a dielectric with deep traps is analysed. [...]
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