Conţinutul numărului revistei |
Articolul precedent |
Articolul urmator |
689 4 |
Ultima descărcare din IBN: 2023-03-13 23:48 |
Căutarea după subiecte similare conform CZU |
621.3.013 (6) |
Electrotehnică (1146) |
SM ISO690:2012 КУЗНЕЦОВ, Борис, НИКИТИНА, Татьяна, БОВДУЙ, Игорь. Magnetic Field Active Shielding of Overhead Power Lines with Triangular Phase Conductors Arrangements. In: Problemele Energeticii Regionale, 2020, nr. 1(45), pp. 14-29. ISSN 1857-0070. DOI: https://doi.org/10.5281/zenodo.3713400 |
EXPORT metadate: Google Scholar Crossref CERIF DataCite Dublin Core |
Problemele Energeticii Regionale | |||||
Numărul 1(45) / 2020 / ISSN 1857-0070 | |||||
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DOI: https://doi.org/10.5281/zenodo.3713400 | |||||
CZU: 621.3.013 | |||||
Pag. 14-29 | |||||
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Rezumat | |||||
The purpose of the work is synthesis of two degree of freedom robust two circuits system of active shielding of magnetic field, generated by overhead power lines with triangular phase conductor’s arrangements for reducing the initial magnetic flux density to the sanitary standards level and reducing the system sensitivity to the plant parameters variations. Two circuits system of active shielding includes two shielding coils. System of active shielding synthesis reduced to the multiobjective stochastic game solution, in which the vector payoff is calculated on the basis of the Maxwell equations solutions in the quasi-stationary approximation. The calculation of multiobjective game solution is based on the multi swarm particles optimization algorithms. The initial parameters for the synthesis are geometry and number of phase conductors, operating currents of overhead power lines, as well as the size of the shielding space As a result of the synthesis the number, configuration, spatial arrangement, and currents of shielding coil, algorithm parameters of the two degree of freedom robust two circuit system of active shielding of magnetic field as well as the resulting value of the magnetic flux density in the shielding space are determined. New scientific results are theoretical and field experimental research of the shielding factor of two circuit system of active shielding with two shielding coils carried out. The possibility of reduction of the initial magnetic flux density level is given. It is shown that the experimental and calculated magnetic field induction values differ by not more than 20 %. |
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Cuvinte-cheie overhead power lines, triangular phase conductor’s arrangements, magnetic field, active shielding system, theoretical and field experimental research, linii electrice aeriene, dispunere triunghiulară a firelor de fază, câmp magnetic, sistem robust de ecranare activă, studii teoretice și experimentale de teren, воздушные линии электропередачи, треугольное расположение фазных проводов, магнитное поле, робастная система активного экранирования, теоретические и полевые экспериментальные исследования |
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