Arcing horns and lightning arresters are necessary because lightning strikes to the mast are common.
灭弧角和避雷器是必需的，因为雷击桅杆是很常见的。
It provides evidence for the validation of the theoretical reliability of existing lightning arresters.
为现行避雷系统的可靠性理论的验证提供了依据。
The improved insulating bar was inspected by the State Quality Control and Inspecting Centre of Insulators and Lightning Arresters and met the operation requirements.
改进后的绝缘棒经国家绝缘子避雷器质量监督检验测试中心实测，满足了使用要求。
As the protected object is within the safe protective range of the lightning arresters, the lightning fell within the safe lightning falling range will hit on the arresters.
当被保护物在避雷针的安全保护范围之内时，落在安全落雷范围内的雷电将击中避雷针。
The line arresters can only protect the line insulators on the tower equipped with the line arresters from lightning flash and they have no extended protective range.
线路避雷器仅能保护安装了线路避雷器的杆塔自身的线路绝缘子（串）不发生雷击闪络，无外延的雷击保护范围。
The results obtained from simulation can help to determine the countermeasure to reduce lightning faults in the transmission line by installing transmission line arresters with series air gap.
仿真结果有助于制定用带串联间隙线路避雷器来降低线路雷击事故的相应措施。
Installing line ZnO surge arresters is a very important countermeasure to improve the lightning withstand level of transmission line.
采用线路用避雷器是提高输电线路耐雷水平十分重要的措施。
The LWLs of 35kV lines with and without lightning shield lines, in which various installation ways of MOAs used as line surge arresters are adopted, are compared;
具体比较了雷击有、无避雷线的线路，采取不同避雷器安装方案时的耐雷水平；
The LWLs of 35kV lines with and without lightning shield lines, in which various installation ways of MOAs used as line surge arresters are adopted, are compared;
具体比较了雷击有、无避雷线的线路，采取不同避雷器安装方案时的耐雷水平；
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