±1100kV直流SF<sub>6</sub>穿墙套管伞裙结构设计

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Abstract As the key equipment of HVDC transmission system, dc wall bushing has long been dependent on imports, which is of great significance to its research. Based on GB/T 26218.3—2011 "Selection and dimensioning of high-voltage insulators in-tended for use in polluted conditions Part 3: Composite insulators for a.c. systems" and "The equipment development specification of ±1100kV UHVDC transmission project-converter wall bushing". We investigated the umbrella the structural type and design specification of umbrella skirt of the Changji—Guquan ±1100kV UHVDC transmission project. Ac-cording to the research results, the structure and parameters of the umbrella skirt with outdoor DC SF₆ wall bushing for the Changji—Guquan ±1100kV UHVDC transmission project. It has an important guiding role for the development of ±1100kV DC SF₆ wall bushing and can also provide reference for other related projects.

Key words： ±1100kV; DC SF₆ wall bushing umbrella skirt structure umbels parameter

Received: 02 December 2018 Published: 16 July 2019

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Cite this article:

Niu Wanyu. Structure design of ±1100kV DC SF₆ wall bushing umbrella skirt[J]. Electrical Engineering, 2019, 20(7): 18-22.

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http://dqjs.cesmedia.cn/EN/Y2019/V20/I7/18

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