串混型SPD是铁路信号系统过电压防护的新用法。
The series mixed SPD is a new method of using for the railroad signal system of over voltage protection.
通过操作冲击电压的生物放电试验,研究了带电作业中屏蔽服对人体的防护效果。
Through the breakdown tests of life-form under switching impulse voltage, the protective effect of conductive clothes is studied.
在一幢建筑里,我们如何防护过电压转换?
In a building, how do we provide for protection against overvoltage switching?
阐述了加强远动设备防雷及过电压保护的紧迫性,并提出了具体的防护措施。
The urgency of strengthening lightning and over-voltage protection of telecontrol equipment is expounded with specific measures presented.
同时,系统对闪变电压跌落造成的生产设备停机可以实行自动恢复或报警,为连续性生产工艺提供了一种有效的防护。
In addition, shutdown of production equipment caused by drop off voltage flicker can be recovered or alarmed automatically, which offers effective protection to continuous production process.
监狱看守所周界防护传统的做法是用铁刺栅栏或很粗的铜线为周界前端与升高电压的交流电直接连接形成高压电网。
The traditional approach is to use iron thorn fencing or very rough week for the copper sector of the front-end and high-voltage ac directly connecting a high-pressure power grids.
因此本文对架空配电线路感应雷过电压的计算与防护进行研究具有十分重要的意义。
Therefore, it's significant to research the calculation and prevention of lightning induced overvoltages on overhead distribution lines.
一种具有过载保护电路的电压调节器和用于防护输出电压大于预定的电平的方法。
A voltage regulator having an overload protection circuit and a method for protecting against an output voltage being less than a predetermined level.
本文对高速重载铁路中车网耦合过电压及防护中出现的这些新问题进行了探索。
This paper explored these problems which appear in coupling overvoltage of the traction power supply system and its prevention.
本文对高速重载铁路中车网耦合过电压及防护中出现的这些新问题进行了探索。
This paper explored these problems which appear in coupling overvoltage of the traction power supply system and its prevention.
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