电网技术 2009, 33(7) 1-6 DOI:     ISSN: 1000-3673 CN: 11-2410/TM

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特高压输电
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本文关键词相关文章
特高压电网;双回路;单柱组合耐张塔
本文作者相关文章
PubMed
1 000 kV交流双回路单柱组合耐张塔型式规划
李显鑫1,郭咏华2,唐明贵2
1. 国网北京经济技术研究院
2. 河南省电力勘测设计院
摘要

针对在1000 kV交流特高压双回输电线路中使用鼓(伞)型耐张塔的不足,设计了一种全新的耐张塔型——单柱组合耐张塔,其特点是分塔挂线、无导线横担、水平布置跳线、灵活性好、施工方便等,与鼓(伞)型塔相比,在杆塔高度、塔重、横担长度、跳线等方面的技术经济性较为优越。最后提出了该塔在电磁环境、跳线、防雷等设计方面需要进一步探讨的技术问题。

关键词 特高压电网;双回路;单柱组合耐张塔  
Planning Research on Single-Pole-Combined Strain Tower for 1000 kV AC Double-Circuit Transmission Line
LI Xian-xin1,GUO Yong-hua2,TANG Ming-gui2
1.State Power Economic Research Institute,Xuanwu District,Beijing 100761,China;2.Henan Electric Power Survey & Design Institute,Zhengzhou 450007,Henan Province,China
Abstract:

In view of the shortcomings of adopting conventional drum-type or umbrella-type strain tower in 1000kV AC double-circuit transmission line, a brand new type of strain tower that is named as single-pole-combined strain tower, that consists of main pillar and sub-pillar, is designed. The features of the designed strain tower are as following: the conductors of three-phase double circuits are vertically arranged on two adjacent and mutual independent main pillars respectively while the jumpers are led to sub-pillar and horizontally arranged; cross-arm is not adopted; the main pillar and sub-pillars can be configured flexibly and the topographical restriction can be adapted conveniently; and the designed single-pole-combined strain tower is easy to construct. Comparing with conventional drum-type or umbrella-type strain towers, the designed strain tower possesses more superior technical and economical performance in tower height, tower weight, cross-arm length and jumpers. Finally, the authors put forward some technical problems to be further researched in the design of the proposed strain tower such as combination form of single-pole-combined strain tower, electromagnetic environment, jumper, lightning protection and so on.

Keywords: 1 000 kV AC power grid;double-circuit transmission line;single-pole-combined strain tower  
收稿日期 2008-03-25 修回日期  网络版发布日期 2009-04-05 
DOI:
基金项目:

通讯作者: 李显鑫
作者简介: 李显鑫(1974—),男,高级工程师,主要从事输电线路设计研究工作,E-mail:lxx741219@163. com; 郭咏华(1974—),男,高级工程师,主要从事输电线路结构专业设计研究工作; 唐明贵(1973—),男,高级工程师,主要从事输电线路设计工作。
作者Email:

参考文献:
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