Perfluoroisobutyronitrile(C_(4)F_(7)N)is recognised as the next-generation dielectric medium for eco-friendly gas-insulated equipment(GIE).However,there is gas metal incompatibility in strong electromagnetic environme...Perfluoroisobutyronitrile(C_(4)F_(7)N)is recognised as the next-generation dielectric medium for eco-friendly gas-insulated equipment(GIE).However,there is gas metal incompatibility in strong electromagnetic environments and environmentally friendly insulating gas atmospheres that endangers the operational safety and service life of GIE.Here,a solvent-induced grain boundary reconstruction method was proposed to prepare corrosion-resistant copper rapidly.Accordingly,the partial dischargeinduced gas-metal interaction was simulated and the corrosion resistance properties of copper were evaluated.Additionally,the gas-solid interaction mechanism was investigated and the improvement mechanism of the proposed method on the stability of the gas-solid interface was discussed.Related results provide a reference for the development and application reliability of C_(4)F_(7)N-based eco-friendly GIE.展开更多
基金supported by the National Natural Science Foundation of China,Grant Number:52377156the State Key Laboratory of Power System Operation and Control,Grant Number:SKLD23KM04the Open Fund of State Key Laboratory of Power Grid Environmental Protection,Grant Number:GYW51202301429.
文摘Perfluoroisobutyronitrile(C_(4)F_(7)N)is recognised as the next-generation dielectric medium for eco-friendly gas-insulated equipment(GIE).However,there is gas metal incompatibility in strong electromagnetic environments and environmentally friendly insulating gas atmospheres that endangers the operational safety and service life of GIE.Here,a solvent-induced grain boundary reconstruction method was proposed to prepare corrosion-resistant copper rapidly.Accordingly,the partial dischargeinduced gas-metal interaction was simulated and the corrosion resistance properties of copper were evaluated.Additionally,the gas-solid interaction mechanism was investigated and the improvement mechanism of the proposed method on the stability of the gas-solid interface was discussed.Related results provide a reference for the development and application reliability of C_(4)F_(7)N-based eco-friendly GIE.
