杆塔的高度、避雷保护角、杆塔地面的坡度与绕击雷有直接关系。当杆塔高度

 杆塔的高度、避雷保护角、杆塔地面的坡度与绕击雷有直接关系。当杆塔高度越高，电感性能越强，雷电线通过杆塔所产生电压幅值就越大。而避雷线保护角越大，雷电绕击区就会增加，绕击次数和概率也相应增加。地面坡度越大，输电线暴露的弧段就会增加，使得电感也随之增加。当线路沿着坡体向杆塔时，坡体内侧绕击区就得到较少，但外侧又得以增加，绕击区大小直接影响着雷电绕击的次数。大量数据显示，由于地形造成线路的弧段过大和避雷线的保护角过大，雷击的概率就会相当高。某一些地区由于地下有大量的易导电矿物质，也容易造成雷击现象。由于大量的地下硿质，和云层具有相反的电荷，而杆塔则形成大地的“尖端放电”，和云层的电感增强，再加上杆塔和导线均是良导体，线路本身又自带电荷，这就极容易导致雷击。

 The height of the pole tower, the protection angle of the lightning protection, and the slope of the ground of the pole tower are directly related to the lightning strike. The higher the height of the pole tower, the stronger the inductive performance, and the greater the voltage amplitude generated by the lightning wire through the tower. The greater the protection angle of the lightning line, the more lightning around the strike area will increase, and the number and probability of winding will increase accordingly. The higher the slope of the ground, the more arcs the transmission line is exposed to, resulting in increased inductive sensing. When the line follows the slope to the pole tower, the side bypass area inside the slope is less, but the outside is increased, and the size of the bypass area directly affects the number of lightning strikes. A large number of data show that the probability of lightning strikes will be quite high due to the terrain causing the arc section of the line to be too large and the protection angle of the lightning line to be too large. Some areas are prone to lightning strikes because of the large amount of conductive minerals underground. Due to a large number of underground 硿 quality, and the cloud has the opposite charge, while the pole tower forms the earth's "tip discharge", and the cloud's inductive enhancement, coupled with the rod tower and wire are good conductors, the line itself has its own charge, which is very easy to lead to lightning strikes.

The height of tower, lightning protection angle and slope of tower ground are directly related to shielding lightning. When the tower height is higher, the inductance performance is stronger, and the voltage amplitude generated by lightning wire passing through the tower is greater. The larger the protection angle of lightning line is, the more lightning shielding area will be, and the number and probability of shielding failure will also increase accordingly. The greater the slope of the ground is, the more exposed arc section of the transmission line will be, and the inductance will also increase. When the line goes along the slope to the tower, the shielding failure area on the inner side of the slope is less, but the outer side is increased. The size of the shielding area directly affects the times of lightning shielding. A large number of data show that due to the terrain, the arc section of the line is too large and the protection angle of the lightning line is too large, the probability of lightning strike will be very high. In some areas, there are a large number of conductive minerals underground, which can easily cause lightning strike. Due to the large amount of underground dust, the electric charge is opposite to that of the clouds, while the poles and towers form the earth's "tip discharge", and the inductance of the clouds is enhanced. In addition, the towers and wires are good conductors, and the lines themselves have their own charges, which is very easy to lead to lightning strikes.