Conditions for forming porous oxide coatings suppressing corona discharge during transmission of electricity through power high-voltage wires A. I. Mamaev, V. A. Mamaeva, A. E. Ryabikov, Yu. N. Dolgova
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ArticleContent type: Текст Media type: электронный Subject(s): подавление коронного разряда | импульсное микроплазменное оксидирование | пористые оксидные покрытияGenre/Form: статьи в журналах Online resources: Click here to access online
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Protection of metals and physical chemistry of surfaces Vol. 58, № 4. P. 715-720Abstract: Porous nonmetallic inorganic coatings formed via pulsed microplasma oxidation of A5E aluminum wire used in steel-aluminum wires were developed. The coatings decrease the power losses due to corona discharge from 80 to 20% and increase the voltage of corona discharge during transmission of electricity through high-voltage power wires. The following five most important parameters of these coatings were identified: thickness, porosity, pore diameter, wettability, and dielectric loss tangent. The methodology was developed for rapid assessment of the effectiveness of corona-discharge suppression by coatings based on the dielectric loss tangent.
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Porous nonmetallic inorganic coatings formed via pulsed microplasma oxidation of A5E aluminum wire used in steel-aluminum wires were developed. The coatings decrease the power losses due to corona discharge from 80 to 20% and increase the voltage of corona discharge during transmission of electricity through high-voltage power wires. The following five most important parameters of these coatings were identified: thickness, porosity, pore diameter, wettability, and dielectric loss tangent. The methodology was developed for rapid assessment of the effectiveness of corona-discharge suppression by coatings based on the dielectric loss tangent.
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