混凝土电杆的接地问题及改进措施 高翔 尚 雷 Abstract: There may be defects on the grounding down lead of concrete poles of 110kV Transmission Line which make the Grounding Device resistance value rise,it can lead to the probability of" back striking " increase.This paper put forward some methods used for test the defects on the grounding down lead of concrete poles, revelant modification measures and improvem