过电压保护器可以大大降低附近雷击感应电压导致的闪络率。
Over-voltage protector can be greatly reduced near lightning flashover rates caused by induction voltage.
统计了广元电业局历年来输电线路雷击跳闸率，采取的防范措施以及取得的防雷效果。
The statistics of lightning trip-out rates of transmission line of Guangyuan Electric Power Bureau over the years are carried out.
改造后线路一年多的运行结果表明：所采用的措施防雷效果较明显，雷击跳闸率大为降低。
The operation results more than one year after the rebuilding revealed that the effect of the pretend thunder measurements were tremendous, and the lightning tripping outage was reduced rapidly.
并根据雷击跳闸率的变化和雷电流在杆塔中的分流情况，说明改进防雷措施。
The improvement anti-lightning stroke measure was proved by the variation of lightning trip-out rate and the tower-drainage of lightning current.
随着电压等级的提高及线路结构的变化，输电线路雷击跳闸率计算法也不断地改进。
With being higher the voltage and varying of transmission line structure, the calculation method of lighting trip-out rates should be improved continually.
该省线路雷击跳闸率满足部颁规程要求，在全国输电线路中雷击跳闸率也是较低的。
The lightning trip-out rate of Shandong province transmission line meets the demand of ministry regulation and it is lower than the average trip-out rate of transmission line in China.
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.
为了合理设计输电线路的耐雷水平及雷击跳闸率，通过理论推导，修正了现有规程的输电线路耐雷水平计算公式。
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.
为了合理设计输电线路的耐雷水平及雷击跳闸率，通过理论推导，修正了现有规程的输电线路耐雷水平计算公式。
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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