1·Therefor by earthing connected net of set, it reduce earthing resistance, make the electricity discharge in earth prompt without dangerous overvoltage.
这样通过延伸机组的接地网进一步降低接地电阻,使雷电流迅速流散入大地而不产生危险的过电压。
2·The Converter Control system has no effect on the first crest overvoltage but may have effect on the following crest overvoltage.
换流器控制系统对过电压的第一个峰值没有影响,但对以后的峰值有控制作用。
3·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?
4·In substations, Switching operation will give rise to transient overvoltage.
在变电站内,开关的操作将产生瞬态过电压。
5·It is suggested that the excitation transformer power be introduced as the operational power supply for the regulator, and the rotor overvoltage protection of the unit be modified.
为此,提出了防范此类事故的对策,建议引入励磁变压器电源作为调节器的工作电源,并对该机组的转子过电压保护进行改造。
1·For clarity, the figure omits overvoltage diodes and protection circuits.
为明确起见,图中省略了过压二极管和保护电路。
2·Alarm function: sound alarm and stop machine. Alarm content: lacking phase, under-voltage, overvoltage, high temperature and urgent stopping.
报警功能:声响报警并停机;报警内容:缺相,欠压,过压,高温,紧急停机。
3·When the input voltage is higher than the overvoltage set point of the machine, the machine immediately shut down, and then red light flashes.
当输入电压高于机器过压点的设置,机器立即关闭,然后红灯闪烁。
4·In addition, startup protection circuit and overvoltage protection circuit is also designed, which raise stability of power device IGBT further, thus strengthen the ability to deal with trouble.
另外,设计了启动保护电路和过压保护电路,保护电路进一步提高了功率器件IGBT工作的稳定性,从而增强了处理故障的能力。
5·A surge protector or simple capacitor or varistor can protect against most overvoltage conditions, while a lightning arrestor protects against severe spikes.
电涌保护器或简单的电容或压敏电阻可以防止大多数过压情况的出现,而避雷器则保护严重尖峰的尖峰电流。