±1000kV DC SF6 gas insulated through wall bushing core technology research and device development

Shiling Zhang; Song Wei

doi:10.1117/12.2639669

27 June 2022 ±1000kV DC SF6 gas insulated through wall bushing core technology research and device development

Shiling Zhang, Song Wei

Proceedings Volume 12253, International Conference on Automation Control, Algorithm, and Intelligent Bionics (ACAIB 2022); 122531K (2022) https://doi.org/10.1117/12.2639669
Event: Second International Conference on Automation Control, Algorithm, and Intelligent Bionics (ACAIB 2022), 2022, Qingdao, China

Abstract

Facing the demand for key equipment of UHV DC transmission projects in China, and aiming at the technical difficulties of ±1000kV SF6 gas insulated through wall bushing, this project carries out the core technology research and device development of ±1000kV SF6 gas insulated through wall bushing. Through the research of this project, the problems in the design, manufacture and test during the development of ±1000kV DC through wall bushing, including the homogenization design of internal and external electric field, mechanical strength and current carrying capacity of bushing, put forward the design scheme of anti corona, anti pollution and external insulation of bushing, and master the performance of epoxy resin material for DC bushing and the electrical characteristics of epoxy resin insulator, formulate process flow, test scheme and technical standards. Finally, the prototype of ±1000kV DC SF6 gas insulated through wall bushing passing the type test is developed to meet the engineering application conditions and strive to realize the engineering application. The research of this project will solve one of the key difficulties restricting the development of ±1000kV UHVDC project in China, promote the manufacturing level of UHVDC key equipment in China to rank among international advanced ranks, and improve China's high-tech research and development capacity and the international competitiveness of the industry.

Citation Download Citation

Shiling Zhang and Song Wei "±1000kV DC SF6 gas insulated through wall bushing core technology research and device development", Proc. SPIE 12253, International Conference on Automation Control, Algorithm, and Intelligent Bionics (ACAIB 2022), 122531K (27 June 2022); https://doi.org/10.1117/12.2639669

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Dielectrics

Epoxies

Manufacturing

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