大截面多分裂导线上扬问题探讨

电力建设 ›› 2013, Vol. 34 ›› Issue (7): 118-121.

大截面多分裂导线上扬问题探讨

刘利平1，熊织明2，郭玉莹3

1.辽宁省送变电工程公司，沈阳市 110021；2.国家电网公司交流建设分公司，北京市 100052； 3.中国电力科学研究院，北京市 100192

出版日期:2013-07-01
作者简介:刘利平（1960），男，本科，高级工程师，主要从事输电线路施工技术与管理工作，E-mail：sbdllp@163.com; 熊织明（1966），男，本科，高级工程师,主要从事输电线路施工技术与管理工作; 郭玉莹（1968），男，本科，高级工程师主要从事输电线路施工技术与管理工作。

Discussion on Updip Problem of Large Cross-Section Bundled Conductor

LIU Liping1, XIONG Zhiming 2, GUO Yuying3

1. Liaoning Province Transmission and Distribution Engineering Co., Shenyang 110021, China; 2. State Grid AC Engineering Construction Company, Beijing 100052, China; 3. China Electric Power Research Institute, Beijing 100192, China

Online:2013-07-01

摘要/Abstract

摘要：

为解决锦屏—苏南±800 kV渝3标段展放标称截面900 mm2导线时出现的导线上扬问题，通过分析上扬机理、模拟试验及现场试验等，找出了克服大截面多分裂导线上扬的新方法，使导线上扬问题得到有效解决。通过受力分析，推导出克服上扬力的计算公式，选择克服导线上扬用工器具。此方法在工程应用中保证了导线施工质量，提高了放线速度，降低了放线不安全因素，取得较好效果。

关键词: 大截面多分裂导线, 放线滑车悬挂, 导线上扬, 张力放线

Abstract:

In order to solve the conductor updip problem during the tension stringing of conductor with 900 mm2 nominal cross section occurred in Chongqing Section 3 of ± 800 kV Jinping-Sunan power transmission project, a new method that could overcome and effectively solve the updip problem of large cross-section bundled conductor has been found, through the analysis on updip mechanism, simulation tests and field tests. Then, through the force analysis, the calculation formula to overcome the updip force was deduced, and the apparatus that could overcome the updip problem were chosen. In the engineering application, this method could achieve good effect in construction, such as ensuring the conductor construction quality, improving the stringing speed, and reducing the unsafe factors of stringing.

Key words: large cross-section bundled conductor, pulley hanging, conductor updip, tension stringing

刘利平，熊织明，郭玉莹. 大截面多分裂导线上扬问题探讨[J]. 电力建设, 2013, 34(7): 118-121.

LIU Liping, XIONG Zhiming,GUO Yuying.

Discussion on Updip Problem of Large Cross-Section Bundled Conductor

[J]. ELECTRIC POWER CONSTRUCTION, 2013, 34(7): 118-121.

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