同时提出了预防内部过电压的几种方法。
在变电站内,开关的操作将产生瞬态过电压。
In substations, Switching operation will give rise to transient overvoltage.
由此引起的过电压频率通常为正常的工作频率。
本文设计了一个变电站瞬时过电压在线监测系统。
In this paper, an on-line monitoring device for fast transient overvoltages on substations is designed.
常用的补偿法测电阻是通过电压补偿法来实现的。
We often use compensatory way to measure resistance. It realizes by voltage compensation.
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.
介绍了多磁路变压器的工作特点、输出能力和过电压的抑制。
The characteristics of transformer with multi magnetic circuits and its output ability and over voltage depression were introduced.
本文研究电力系统中电阻的非线性特征对谐振过电压的影响。
This paper studies the influence of nonlinear character resistance on resonant overvoltage in power systems.
切除空载变压器是真空断路器操作过电压问题最严重的情况。
Interrupting no load transformer is the most serious case in vacuum circuit breaker switching overvoltage.
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 inverse time delay characteristic is adopted by the basic zero-sequence over-voltage protection.
现代超高压避雷器必须能在这些高能量的操作过电压下放电。
Modern EHV arresters must be capable of discharging these high-energy switching surges.
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 protector can be greatly reduced near lightning flashover rates caused by induction voltage.
显然,这一调节过程只有通过电压的自动调节装置才能实现。
This regulating course can be realized only through the automatic voltage regulation device.
计算结果表明,过电压保护器的密度增加,感应过电压降低。
Calculation results show that the density of over-voltage protector increase, reduce the induced over-voltage.
最后探讨了串联谐振式限流器对继电保护和电网过电压的影响。
Finally, the impact of series resonant current limiter on relay protection and over voltage in grid was explored.
本文主要研究了TCSC的装置特性和主动过电压保护及其控制。
This dissertation focuses on the characteristics of TCSC installation, active overvoltage protection and control.
本文利用数字计算机研究了超高压电力系统的空载长线合闸过电压。
This paper studies closing overvoltage on unloaded line in EHV power system by means of digital computer.
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。
In this paper, the effect of the neutral grounded by the low reactance on switching over-voltage in the power system is studied.
并联稳压器可以迅速解决瞬态过电压的问题,使电压回到安全水平。
Transient over voltage problems are quickly solved using shunt regulators that clamp regeneration voltage to safe levels.
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。
The sag curve at atmospheric over-voltage calculated by this method can meet the needs of engineering.
随着配电网中采用的电缆线路的增多,弧光接地过电压问题日益突出。
With the increase of used cable lines, the problem of arc grounding overvoltage is more prominent.
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。
Power system restoration; Over-voltage prediction; Node importance; Ant Colony algorithm; Skeleton - network reconfiguration; Load recovery.
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.
那些用来降低过电压类别的元件应该符合IEC 61643-系列的要求。
Components used to reduce the Overvoltage Category shall comply with the requirements of IEC 61643-series.
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。
The Converter Control system has no effect on the first crest overvoltage but may have effect on the following crest overvoltage.
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。
With a typical fault analysis about the produce mechanism of resonance over-voltage, some practical restrain measures are put forward.
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。
Lightning stroke fault may cause power interruption and over-voltage due to lightning stroke may do harm to electronic apparatus.
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。
Protection equipment power supply system from lightning over-voltage, power grid fluctuations, operating over voltage, electrostatic discharge, etc.
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。
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.
氧化锌压敏电阻器的主要功能是探测和抑制反复出现的浪涌电压及过电压而自身不会破坏。
The major function of variators of ZnO is to detect and suppress surge voltage and over voltage without destroying themselves.
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