Research results show that when the output of voltage regulator is the maximum value, the voltage transient stability margin of power system does not achieve its maximum;
仿真结果表明,当电压调节器的输出电压为最大值时,系统电压暂态稳定裕度没有达到最大;
If a step voltage is applied to the circuit, a transient current is generated.
如果将一个阶跃电压施加到电路,会产生一个瞬态电流。
The key to power distribution system is to ignore transient process in this sub-system and to draw the network equivalent circuit diagram, therefore its node voltage equation is algebraic equation.
配电子系统的建模关键是忽略其内部的暂态过程并作出了网络的等值电路图,因而依此建立的节点电压方程为代数方程。
NOTE 3 When deducing the working voltage, the effect of transient voltages is ignored.
注3:在确定工作电压时,可忽略瞬间电压的影响。
A new high speed protection criterion for high voltage transmission line based on the wavelet transform of transient voltage signals from the two ends of the line is presented.
提出了一种基于双端电压暂态信号小波变换的高压输电线路快速保护算法。
Transient voltage of electronic ignition system is tested and analyzed according to ISO7637.
基于ISO7637标准的规定,进行了电子点火系统瞬变电压的测试分析。
According to features of power quality disturbance signal, this paper detects the disturbance signals of high-frequency, transient impulse and voltage notch with wavelet transforming.
针对电能质量扰动信号的特性,本文采用小波变换对电力系统的高频、瞬时脉冲、电压切痕扰动信号进行检测。
Transient power quality issues have been becoming extrusive, such as voltage well, voltage sag and voltage interruption, and bring customers amount of loss.
暂态电能质量问题越来越突出,如电压跌落、骤升、短时断电等现象经常发生,给用户带来了很大的损失。
Charge Pump dynamic analysis is analyzed, where the relationship between the voltage rising time and transient current to circuit is given.
详细分析了电荷泵的动态工作特性,给出了电荷泵电压上升时间及瞬态电流与电路的关系。
Transient over voltage problems are quickly solved using shunt regulators that clamp regeneration voltage to safe levels.
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。
The transient discharge voltage and current of the two pre ionization sources were measured also.
对两种预电离源的放电电压和电流进行测量,得到瞬态信息。
A direct method considering transient voltage dip is proposed to calculate the critical clearing time (CCT) ensuring that voltages of post fault power system are higher than limit.
提出了一种考虑暂态电压跌落限制的直接法,快速求取保证故障后电力系统电压高于限值的故障临界清除时间(CCT)。
The optical fiber transformer based on an optic electric conversion with low noise gains voltage measurement accuracy of 0.2%, satisfying the requirements of transient signal measurement.
基于低噪声光电探测电路设计的光纤电压互感器可获得0 .2 %的电压测量精度,并满足暂态信号的测量要求。
Therefore the impact of increased steady state and transient voltage stresses on the design of the main equipment for UHVDC stations has to be careful.
因此,必须深入研究提高的稳态和暂态电压应力对特高压直流换流站主设备设计产生的影响。
From the viewpoint of propagation of transient voltage and current in distribution network, the transfer characteristics of two-way power frequency signals in distribution network are analyzed.
从暂态电压和电流在配电网中传播的角度,分析了双向工频通信信号在配电网中的传输特性。
The restriction of transient voltage dip is a constraint on post fault power system.
暂态电压跌落限制可以考虑为对故障后电力系统的一个约束。
It is concluded upon analysis that transient voltage is the main stability problem of the strong Guangdong power system.
分析认为:广东电网属于强系统,电网的主要稳定问题是暂态电压问题。
Results from economic analysis and case simulations show that using this approach the transient voltage quality level in distribution system can be evidently improved without cost increase.
经济性分析和算例结果表明,该方案在不增加成本的前提下大大提高了配电系统的暂态电压质量。
The RC series circuit (linear time - invariant circuit)excited by the non - sine periodic voltage is analysed, both the transient response and the steady - state response of this circuit are obtained.
分析了非正弦周期电压作用下的RC串联电路(线性、非时变电路),得到了暂态响应分量和稳态响应分量。
Moreover, it is the basis of constructing a new non communication protection through absolutely utilizing the fault information which is comprised in transient component of fault current or voltage.
高压输电线路发生故障后的暂态电压或电流分量中包含比工频分量更多的故障信息,充分利用这一信息是构成具有绝对选择性单端无通信保护的前提。
The chip is adopted current-mode control, so that either its response to the supply voltage or its transient response to load changes is fast.
该芯片采用电流模控制方式,因此对电源电压的响应和对负载变化的瞬态响应迅速。
According to time, voltage stability can be divided into longer-term voltage stability and transient voltage stability.
从时间上划分,电压稳定性问题可以分为中长期电压稳定和暂态电压稳定。
Put forward the conception of steady voltage and transient voltage stability control of wind power plants.
提出风电场稳态电压和暂态电压稳定性控制的概念。
Transient voltage risk can be calculated by optimizing the total cost for generator adjustment and load shielding under restrictions of transient security.
通过满足暂态电压安全约束的无功发电调节与切负荷总代价最小化问题,来表示暂态电压安全风险。
Another protection device called Transient Voltage Suppression diode or TVS diode.
另一种保护装置称为瞬态电压抑制二极管或TVS二极管。
In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.
本文导出了同步电机三相对称负载突然拉开,电机端电压与励磁电流在瞬态过程中的解析表达式。
Voltage regulator diode. Working voltage (nom) 180 V. Transient suppressor diode. Reverse breakdown voltage 168 v.
稳压二极管。工作电压(名称)180 V。瞬态抑制二极管。反向击穿电压168V。
The measures to enhance transient voltage stability of induction generator based wind farm are studied in this paper.
研究了改善异步机风电场暂态电压稳定性的措施。
Flux linkage equation is constituted, the electromagnetic transient of voltage equation with constant speed is gained.
建立了磁链方程,得到了转速为常值时电压方程的电磁瞬态解。
Flux linkage equation is constituted, the electromagnetic transient of voltage equation with constant speed is gained.
建立了磁链方程,得到了转速为常值时电压方程的电磁瞬态解。
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