Discharge tubes are mainly used for over-voltage protection.
放电管主要用于过压防雷保护。
Only in each column over-voltage protector installed on each phase can get good protection effect.
只有在每柱每相上安装过电压保护器才能得到好的保护效果。
The inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
其基本保护采用零序过电压保护，动作时间采用反时限特性；
The sag curve at atmospheric over-voltage calculated by this method can meet the needs of engineering.
通过此方法计算在大气过电压情况下的弧垂曲线，能满足工程需要。
This text introduces an structure simple, performance steady and output over-voltage protection circuit.
文章介绍一种结构简单、性能可靠的输出过压保护电路。
Over-voltage protector can be greatly reduced near lightning flashover rates caused by induction voltage.
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 protection is an important research area in electrical, electronic, and many equipment systems.
过电压保护在电子、电工和设备系统中是一个重要的研究领域。
Calculation results show that the density of over-voltage protector increase, reduce the induced over-voltage.
计算结果表明，过电压保护器的密度增加，感应过电压降低。
Operating voltage can seriously influence the over-voltage, arising from the transformer under the lightning impulse .
工作电压会严重地影响变压器遭受雷击时产生的过电压。
The installation of over-voltage protector the relationship between the line U1 induced over-voltage and density of the curve.
过电压保护器的安装密度与线路感应过电压u1的关系曲线。
In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.
文章就中性点小电抗的接入对系统的操作过电压的影响进行了研究。
Lightning stroke fault may cause power interruption and over-voltage due to lightning stroke may do harm to electronic apparatus.
雷击故障能够造成电力中断，雷击产生的过电压，会对用户微电子设备造成损害。
With a typical fault analysis about the produce mechanism of resonance over-voltage, some practical restrain measures are put forward.
以一起典型事故分析谐振过电压的产生机理，并提出一些具体实际的抑制措施。
A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.
该文提出一种新的基于负序电流补偿的自适应零序过电压保护原理。
The urgency of strengthening lightning and over-voltage protection of telecontrol equipment is expounded with specific measures presented.
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。
Power system restoration; Over-voltage prediction; Node importance; Ant Colony algorithm; Skeleton - network reconfiguration; Load recovery.
电力系统恢复；过电压预测；节点重要性；蚁群算法；网架重构；负荷恢复。
Features: use cross voltage pulse energy storing capacitance, PLC programming, over-voltage automatic protection, manual and automatic operation.
特点：采用交压胶冲储能电容，PLC程控，有过压自动保护和手动、自动操作。
There is still no integrated high voltage over-voltage protect circuit in SPIC. A novel integrated high voltage detector is proposed by using FFLR.
针对SPIC中没有可集成的高压过压保护，提出了一种利用场限环的分压特性设计的高压电压探测器。
Protection equipment power supply system from lightning over-voltage, power grid fluctuations, operating over voltage, electrostatic discharge, etc.
保护设备电源系统免受雷击过电压、电网波动、操作过电压、静电放电等造成的损害。
In this paper the induced over-voltage on transmission lines caused by lightning strike to tower is calculated based on Wagner Field -cancellation Method.
利用抵消场法计算雷击杆塔顶部时对线路造成的感应过电压，给出了线路感应过电压完整的波形。
The approximate expression of various transient over-voltage have been obtained by analysis and deduction according to the simplified transmission line model.
根据简化后的集中参数线路模型，详细分析并推导了特高压系统各种操作过电压的近似表达式。
Therefore, the over-voltage caused by the electromagnetic voltage transformer saturation in the system with insulated neutral belongs to shifting over-voltage.
故可得出结论：在中性点绝缘系统中，因电磁式电压互感器饱和引起的过电压现象属于工频位移过电压。
But from the constitute the whole a complete good protection of circuit's perspective, or in the each rails from over-voltage protector installed a set of lines way better.
但从对线路构成整个较完整的良好保护的角度出发，还是以每一个间隔档距均安装一组线路过电压保护器的方式更好。
The aim is to reduce the reignition rate and over-voltage damage from the perspective of the mechanical characteristics of the vacuum breaker switching shunt capacitor Banks.
最终的目标是从真空断路器机械特性方面入手，降低操作并联电容器组时的重燃率、并减小操作过电压危害。
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.
通过计算和分析表明：变压器中性点接入小电抗对系统的操作过电压基本不会产生影响。
Comparative analysis of series compensated and non series compensated EHV transmission line in power frequency over-voltage and switching over-voltage is destriked in this paper.
对有补偿和无补偿的超高压输电线路在工频过电压、操作过电压方面进行了对比性研究。
Therefore, if the foreign plants adopt plastic extrusion molding for over-voltage crosslinked polythene cable, they currently adopt "plastic extrusion sulfuration by layers" method.
因此国外厂家对超高压交联聚乙烯电缆如果采用“挤塑模铸法”，目前均采取“分层次挤塑硫化”工艺方式。
When bearing operating voltage, switching overvoltage or atmospheric over-voltage in the process of operating, the transmission line are likely to occur insulation flashover accident.
输电线路在运行过程中承受工作电压、操作过电压或大气过电压时，都可能会发生绝缘闪络事故。
Analysis shows that this is mainly due to not install over-voltage protector in across all tower, generally is a fundamental tower insulation installed a set of over-voltage protector.
分析表明，这主要是由于没有在全线所有杆塔安装过电压保护器引起的，一般是隔一基杆塔安装一组过电压保护器。
They must take the appropriate protective measures in order to avoid over-voltage and over-current generated by the transmission lines of communications equipment and personnel hazards.
因此必须采取适当的保护措施以避免因过电压及其所产生的过电流对传输线路、通信设备和人员造成的危害。
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