雷电过电压是指由于雷云放电而产生的过电压。雷电过电压与气象条件有关，由电力系统外部原因造成的，因此又称之为大气过电压或外部过电压。
... pressure surge 压力冲花 ; 水击 ; 气压骤升 lightning surge 雷电过电压 ; 雷电冲击 ; 闪电震荡 ; 雷击 surge guard 振荡闭锁装置 ; 冲击防护 ...
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The most part of the overhead distribution lines are exposed in the air,so they are apt to be damaged by lightning and cause lightning overvoltages,which will interrupt power supply and affect users' production and lives.
架空配电线路大都裸露在空中，极易遭受雷击产生雷电过电压，从而造成供电中断，影响了广大用户的生产和生活。
参考来源 - 架空配电线路感应雷过电压计算与防护的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
雷电过电压具有很高的幅值，但持续时间极短，以微秒计算。
Lightning voltages may be of high magnitude but are of very short duration; their time is measured in microseconds.
变电站避雷器安装位置和数量及输电线终端塔的接地电阻对雷电过电压有著直接的影响。
The location and quantity of arrestor and impulse grounding resistance of towers has direct influence on lighting overvoltage.
雷击是导致输电线路故障的重要原因之一，杆塔的雷电冲击响应特性是决定输电线路雷电过电压的重要因素。
Lightning stroke is one of the important reasons that result in power failure. Tower lightning surge response performance is the important factor deciding transmission line lightning over-voltage.
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