Effect of surface energy on the contamination characteristics of porcelain double umbrella insulators

• Autorzy: Lv, Yukun , Wang, Qian , Chen, Zeze
• Języki publikacji: EN

Abstrakty

EN

To explore the influence of surface energy on the contamination characteristics of insulators, COMSOL Multiphysics software was used to simulate the contamination characteristics of XWP ₂ -160 insulators under wind tunnel conditions, and the rationality of the modified expression of the dynamic deposition model of the contaminated particles was verified. The change of contamination characteristics before and after changing the surface energy of insulators under natural conditions was simulated and analyzed. The results show that under the original surface energy (72 mJ/m² ) and low surface energy (6.7 mJ/m²) with the increase in particle size, the contamination amount of an insulator surface area decreases first and then increases. When the wind speed is 2 m/s, the change in the particle size has the most pronounced effect on the amount of contamination. The amounts of contamination for the low surface energy are 64–75%, 60–95%, 55–91% and 54–78% lower than those for the original surface energy for particle sizes of 10, 15, 20 and 25 µm, respectively. For the same wind speed, when the size of contamination particles increases, the difference between the ratio of DC and AC contamination accumulation is gradually increasing because of the influence of the electric field force. From the perspective of the insulator preparation process, the development of low surface energy insulators can improve their anti-fouling performance.

Słowa kluczowe

EN

contamination characteristics; numerical simulation; surface energy; XWP2-160; insulator

• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2024
• Tom: Vol. 73, nr 1
• Strony: 235--250
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wykr., wz.

Twórcy

autor

Lv, Yukun

• Department of Power Engineering, North China Electric Power University, China

autor

Wang, Qian

• Department of Power Engineering, North China Electric Power University, China,

autor

Chen, Zeze

• Department of Power Engineering, North China Electric Power University, China

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).

Identyfikatory

DOI

10.24425/aee.2024.148867