Hunan Electric Power ›› 2020, Vol. 40 ›› Issue (4): 39-42.doi: 10.3969/j.issn.1008-0198.2020.04.009

• Faults and Analysis • Previous Articles     Next Articles

Causes Analysis of Wire Spacer Falling Off in a 220 kV Three-span Transmission Line

CAO Xianhui1, OUYANG Kejian2, CHEN Junjun2, LIU Weike2, FENG Chao2, YANG Tao3   

  1. 1. Hunan Xiangdian Test ﹠ Research Institute Co., Ltd, Changsha 410004, China;
    2. State Grid Hunan Electric Power Company Limited Research Institute, Changsha 410007, China;
    3. State Grid Zhuzhou Power Supply Company,Zhuzhou 412000, China
  • Received:2020-05-21 Online:2020-08-25 Published:2020-09-30

Abstract: In view of the single side falling off failure occurred in the spacer rod of a “three-span” power transmission line, the dimensional inspection, physical and mechanical test analysis, field vibration measurement and simulation research are carried out. Based on the failure reason, the prevention and treatment of unilateral shedding of interphase spacer rod is proposed.

Key words: transmission line, three spans, wire spacer, the failure of falling off, loose bolt

CLC Number: