Lightning overvoltage is discharged to ground.
闪电压排放到地面。
To assure person and device, the overvoltage protection is necessary.
为保证设备和人员安全，必需设置过电压保护。
The overvoltage protection control circuit is formed inside the chip.
过压保护控制电路形成在芯片的内部。
And lightning accident main without installing overvoltage protector tower.
而雷电事故主要出现在没有安装过电压保护器的杆塔处。
In a building, how do we provide for protection against overvoltage switching?
在一幢建筑里，我们如何防护过电压转换？
Development of a high speed on-line monitoring device for overvoltage in power system.
一种高速电力系统过电压在线监测系统的开发。
Fling point, cutting point, overvoltage value, time delay value etc can be set by panel.
投入点、切除点、过压值、动作延时值、路数、电流反相等等参数，可通过面板设定。
The relationship between power frequency overvoltage and system operation mode is investigated.
电压与系统运行方式的关系。
The relationship between power frequency overvoltage and system operation mode is investigated.
电压与系统运行方式的关系。
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