中国电力 ›› 2016, Vol. 49 ›› Issue (4): 49-54.DOI: 10.11930/j.issn.1004-9649.2016.04.049.06

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覆冰架空输电线路空间曲线计算

张暕1,何青1,魏靖一2   

  1. 1. 华北电力大学 能源动力与机械工程学院,北京 102206;
    2. 西安交通大学 电气工程学院,陕西 西安 710049
  • 收稿日期:2015-05-22 出版日期:2016-04-20 发布日期:2016-04-27
  • 作者简介:张暕(1990-),男,辽宁沈阳人,博士研究生,从事输电线路覆冰及除冰技术研究。E-mail: keith0808@163.com
  • 基金资助:
    中央高校基本科研业务费专项资金资助项目(11QX49)

Space Curve of Iced Overhead Transmission Line

ZHANG Jian1, HE Qing1, WEI Jingyi2   

  1. 1. School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China;
    2. School of Electrical Engineering, Xi’an Jiao Tong University, Xi’an 710049, China
  • Received:2015-05-22 Online:2016-04-20 Published:2016-04-27
  • Supported by:
    This work is supported by the Fundamental Research Funds for the Central Universities (No. 11QX49).

摘要: 输电线路系统由于地理位置、气象条件等不同会遇到一系列的静力和动力学问题,而确定架空输电线路空间曲线是研究覆冰架空输电线路力学问题的前提。针对原有的悬链法和抛物线法所存在的问题,提出了一种新的确定架空输电线路空间曲线的统一计算方法。以实际架空输电线路为例,应用原有方法和该方法对不同覆冰工况和不同高差角时的空间形态进行了计算。结果表明,所提出的计算方法精度更高,符合工程实际要求。

关键词: 架空输电线路, 覆冰, 空间形态, 悬链法, 抛物线法

Abstract: Because of differences of geographical locations and weather conditions, a series of static and dynamic problems exist in the transmission line system. Determining space curve of overhead transmission line is basic prerequisite for researching dynamic problems of iced transmission line. After review of two existing calculation methods, a new unified method for calculating transmission line space curve is proposed. Taken an existing overhead transmission line as example, the space curves under different ice thicknesses and elevation angles are calculated by both former and proposed methods. Calculation results show that proposed method yields more accurate and practical results.

Key words: overhead transmission line, icing, space curve, catenary curve method, parabolic curve method

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