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Blog
The Deployment and Use of Tension Towers
2025-10-22
The 110kV transmission line relocation project in Chuxiong Prefecture (2022) will construct 8 new bolt type tension towers, accounting for 42% of the total number of new towers, and achieve multiple line turning adjustments such as 45 ° angle. After adopting the direct jumping and winding layout scheme in a 500kV project in Yunnan, the investment in the single tower body was reduced by 18000 yuan, saving the amount of slope excavation.
In the 750kV line, the cage type hard jumper scheme reduces the wind deflection angle of the phase jumper in the JT301A tower by 15 °, increases the gap margin by 30%, and effectively suppresses conductor dancing. The anti bird component of the 220kV tension tower triggers an acoustic alarm through a mechanical bird repelling device, reducing the probability of insulator contamination by 60%.
