月刊
ISSN 1000-7229
CN 11-2583/TM
电力建设 ›› 2011, Vol. 32 ›› Issue (4): 38-41.
• 输配电技术 • 上一篇 下一篇
吴庆华,谢帮华
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摘要:
减小输电线路铁塔塔窗尺寸对降低工程整体投资有重要意义。分析了影响输电铁塔塔窗尺寸的因素,提出了中相采用T 型串的设计方案。输电铁塔中相采用T 型串减小了铁塔的塔窗尺寸、降低塔重,减少了地面电场强度和走廊拆迁宽度,提高了线路的耐雷水平和输送容量,建议地形条件较好的输电线路采用T型串以减小工程投资。
关键词: 输电铁塔, 绝缘子串, T型串, 塔窗尺寸, 技术经济比较
Abstract:
Reducing the transmission tower’s window dimension is important for lowering the overall project investment. The paper analyzes the factors that determine the transmission tower’s dimension and proposes a designing scheme of T-shaped insulator string in middle phase. The use of T-shaped insulator string has reduced the tower’s window dimension and weight, and decreased the electric field intensity and the transmission corridor width, subsequently improving the anti-lighting level and transmission capacity of transmission lines. So it is recommended to use the T-shaped string under better ground conditions to minimize the project investment.
吴庆华 谢帮华. 输电铁塔中相采用T 型串减小塔窗尺寸的分析[J]. 电力建设, 2011, 32(4): 38-41.
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