Articles 31 records found  previous11 - 20nextend  jump to record: Search took 0.04 seconds. 
11. 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. [...]
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12. 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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13. 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. [...]
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14. Performance of parametric spectrum estimation methods / Leonowicz, Z [RK I07/2006/I-019] [ENY-ARTICLE-2009-240]
W pracy przedstawiono porównanie dokładności wyznaczania częstotliwości i amplitudy składowych sygnałów harmonicznych odkształconych przy pomocy parametrycznych metod estymacji widma: MUSIC i ESPRIT. [...]
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15. Changes on Insulator Surface under the Influence of Strong Electric Field in Vacuum / Mazurek, B ; Tyman, A [ENY-ARTICLE-2008-224]
The measurements of flash-over voltages on solid insulation, placed in vacuum have shown the initial flash-over occur at voltages considerably lower than this obtained after multiple flash-over. [...]
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16. Voltage Disturbances Standard EN 50160 - Voltage Characteristics in Public Distribution Systems / Markiewicz, H ; Klajn, A [ENY-ARTICLE-2008-194]
Electrical energy is a product and, like any other product, should satisfy the proper quality requirements. [...]
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17. Time-frequency analysis of non-stationary phenomena in electrical engineering / Bracale, A ; Carpinelli, G ; Wozniak, K ; Sikorski, T ; et al [I07/2006/I-037] [ENY-ARTICLE-2008-191]
This paper serves the idea of applying joint time-frequency representations in electrical engineering. [...]
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18. A new approach to anti-fog design for polymeric insulators / Haddad, A ; Chrzan, K L ; Griffiths, H ; Waters, R T [I07/2007/I-046] [ENY-ARTICLE-2008-189]
First results are reported of tests with a patterned texture, silicone rubber surface. [...]
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19. 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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20. Analysis of influence of power quality disturbances using a neuro-fuzzy systems / Janik, P ; Leonowicz, Z ; Lobos, T ; Waclawek, Z [RZ I07/2007/I-025] [ENY-ARTICLE-2008-172]
The authors propose an automated neuro-fuzzy system approach (with neural network subsystem) to power quality assessment incorporating equipment susceptibility patterns. [...]
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