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Articolul urmator |
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Ultima descărcare din IBN: 2024-01-22 12:25 |
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621.315.17 (8) |
Electrotehnică (1161) |
SM ISO690:2012 ȘILIN, A., ȘILIN, Alexei, DEMENTIEV, Serghei. Sistem informațional de măsurare pentru monitorizarea impactului climei asupra liniilor electrice aeriene. In: Problemele Energeticii Regionale, 2020, nr. 2(46), pp. 23-32. ISSN 1857-0070. DOI: https://doi.org/10.5281/zenodo.3898086 |
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Problemele Energeticii Regionale | ||||||
Numărul 2(46) / 2020 / ISSN 1857-0070 | ||||||
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DOI:https://doi.org/10.5281/zenodo.3898086 | ||||||
CZU: 621.315.17 | ||||||
Pag. 23-32 | ||||||
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Rezumat | ||||||
Studying the problem of diagnosing high-voltage lines is the goal of this research. The high accident rate of overhead lines due to icing and current overloads makes this problem important. Current overloads during distributed power generation lead to overheating of the lines. The goal of the research is achieved due to the fact, that the article notes the relationship between icing and overloads. The necessity of joint solution of these problems and the development of the concept of a multifunctional measuring system is proved. For this, an analysis of the main parameters that determine the mode of operation of overhead lines is carried out. Technical solutions for the measurement of these quantities are considered. The detection of ice formation by comparing the values of dew points and desublimation is described. The calculation of the limiting current load taking into account weather conditions is given. The amount of sagging wires is selected as a universal characteristic of the state of the line. A significant result of the study is the optical method of icing control. This method consists in measuring the coordinates of the line wires through a weatherproof CCTV-camera. To do this, optical tags and a temperature sensor are placed on the wires. The optimal architecture of the measuring system for assessing the climatic impact is given. The significance of the results is that a multifunctional and high-precision system without expensive load sensors is proposed. The conclusion about the importance of the results for building a smart grid is made. |
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Cuvinte-cheie Smart Grid, reliability of power supply, telemetry system, icing diagnostics, OHL temperature monitoring, weather conditions monitoring, rețea ”inteligentă”, fiabilitate a alimentării, sistem de telemetrie, diagnosticarea formării gheții, monitorizarea temperaturii liniilor de înaltă tensiune, monitorizarea condițiilor meteorologice, «умная» сеть, надежность электроснабжения, система телеизмерений, диагностика гололёдообразования, температурный мониторинг ВЛЭП, контроль метеоусловий |
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