随着经济的不断发展，电网结构得到了进一步的发展和完善，同时推动了电力线路的建设的长足发展。对于电力线路来说，由于所处地理位置的环境比较复杂，并且杆塔点多、线长、面广，同时长时间暴露在野外，一方面遭受恶劣自然天气的侵袭，另一方面人为等外力破坏，也会造成线路跳闸，在一定程度上提升了线路停电事故发生概率。因此，需要我们给予高度的重视。%As the economy continues to develop, the grid structure has been further developed and improved, while it promotes the rapid development of power line construction. For power lines, because the geographical location of the environment is more complex, and the lines are dispersed in so many spots, too long lines and quite wide areas, while they prolonged exposure to the field, on the one hand suffered the invasion of harsh natural weather, on the other hand suffered man-made external damage, so the probability of line outages is large. So it is necessary to pay more attention to the man-made external damage.
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