Tiehai line a and line B in Huidong County, Huizhou City experienced tower fall and shift during typhoon "Shanzhu"; the length of n18-n23 strain section of 110kV Tiehai line a was 1406 meters, with a representative span of 282.8 meters, including n19 tower fall, N20 shift, all swampy terrain, small transportation of 800 meters or so; Guangdong and the ERS emergency repair team made a night-long field investigation, and worked with Huizhou power supply department of southern power grid. After discussion, it was decided to replace n19 and N20 cement poles with ers emergency repair towers to restore the power consumption of surrounding residents. Guangdong Hefa ers emergency repair force has the courage to take on responsibilities, not afraid of hardship, not afraid of fatigue, regardless of human and material resources, to overcome the steep slope, swamp and other difficult terrain environment on site. First, check all towers and their conductors within the strain section before emergency repair, and then check the lines without hesitation after emergency repair and before power transmission. Finally, check the phase sequence and line parameter test.
