线路耐雷水平是指雷击线路时不致引起线路绝缘闪络的最大雷电流值，以kA为单位。
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。
Installing line ZnO surge arresters is a very important countermeasure to improve the lightning withstand level of transmission line.
这些新方法和新措施的采用在一定程度上提高了线路耐雷水平。
These new methods and measurements improved the lines' lightning withstand level in some degree.
衡量线路防雷性能优劣的重要指标有两个：一是线路雷击跳闸率； 二是线路耐雷水平。
There are two indexes to evaluate the power line performance on preventing lightning strikes: the one is the lightning trip-out rate, the other is the lightning withstand level of the power line.
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