The adsorption behaviour along insulator-interface and spatial dispersion concentration detection of micron-nano metal-dust in GIL

Xue, Naifan, Li, Qingmin, Wei, Lai, Yang, Ruicheng, Wang, Yuan, Wang, Changzhu, Li, Xuan, Wang, Jian, Ren, Hanwen and Haddad, Manu ORCID: https://orcid.org/0000-0003-4153-6146 2024. The adsorption behaviour along insulator-interface and spatial dispersion concentration detection of micron-nano metal-dust in GIL. Presented at: 23rd International Symposium on High Voltage Engineering (ISH 2023), Glasgow, UK, 28 August - 1 September 2023. IET Conference Proceedings. , vol.2023 (46) pp. 676-680. 10.1049/icp.2024.0600

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Abstract

GIL is an important carrier of new power system transmission, which is widely applied in urban power corridors, power transmission across rivers and other scenes. Metal micron-nano dust is inevitably produced in the process of GIL's production, transportation, operation and maintenance. Under the influence of coupling field in GIL cavity, micron-nano dust is dispersed in the cavity space and easily adsorbed on the insulator surface. With the increase of dispersion concentration and the accumulation of adsorption capacity, it will cause serious insulation breakdown. Therefore, this article first studied the adsorption characteristics of micron-nano dust, special adsorption phenomena such as "dust speckles" appeared. Then, a detection platform for the spatial dispersion concentration of micron-nano dust based on light scattering method is designed. The laser source with 632.8 nm wavelength is used to detect the spatial dispersion concentration of micron-nano dust with 15 μm through the detection platform. The numerical relationship between spatial dispersion concentration and adsorption capacity of micron-nano dust was established through experiments. Thus, the detection of the spatial dispersion concentration of micron-nano dust can reflect the adsorption amount, provide effective and reliable data support in the initial stage of micron-nano dust adsorption, and provide the basis for fault warning and equipment maintenance.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Last Modified:	21 Nov 2024 12:00
URI:	https://orca.cardiff.ac.uk/id/eprint/174205

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