1) voltage swell
电压骤升
2) voltage sag
电压骤降
1.
Charactristc Analysis and Reliability Evaluation of Voltage Sag in Distribution System;
配电系统电压骤降特性分析与可靠性评估
2.
For the concurrence of harmonic and voltage sag,by WVD and its refinement algorithm,the parameters of harmonics will be estimated accurately and the beginning and lasting time.
利用WVD的时间边缘特性和频率边缘特性,能精确估计平稳信号中谐波和间谐波成分的幅值和频率信息;对电压骤降和谐波交叉出现的情况,利用WVD及其改进算法也能较精确估计出谐波、间谐波的幅值与频率,以及电压骤降的起止时间和电压骤降后的基波电压幅值。
3.
How to reduce disturbance of sensitive electric power consumer caused by voltage sag has become a problem urgent to be solved,dynamic voltage restorer is one of the effective measures to resolve this power quality problem.
抑制电网中电压骤降对敏感电力用户的干扰已成为急需解决的问题,动态电压恢复器(DVR)是解决这一电能质量问题的有效手段之一。
3) Voltage sags
电压骤降
1.
Voltage sags, one of the modern Power Quality(PQ)issues, may cause tremendous economic loss, which needs scientific method to evaluate.
电压骤降作为现代电能质量的主要问题之一,会带来巨大的经济损失,需要科学的方法进行经济评估。
2.
The impact degree and sequent of voltage sags (dips) on industry sensitive customers in Quanzhou area are investigated.
调查了泉州地区工业用户受电压骤降影响的程度及电压骤降对敏感设备的影响后果,对泉州惠安变110kVⅠ、Ⅱ母线进行了电压监测,并且模拟计算了地区系统发生单相故障时对用户供电电压的影响。
3.
A method of load-off in the distribution network taking into voltage sags is presented.
提出了一种在考虑电压骤降对配网可靠性影响中负荷的处理方法。
4) voltage dips
电压骤降
1.
Through the investigation of influence of voltage dips on industrial user and sensitive equipment in Quanzhou area, the withstand ability on voltage dips for sensitive equipment was known.
电力系统的电压骤降问题值得关注。
2.
A project relating to voltage dips and short interruptions has been undertaken better to meet customer s requirements with respect to the quality of supply.
为了更好地满足用户对电能质量的要求 ,正在进行一个与电压骤降和短时断电有关的项目 ,其目的有三个 :首先 ,对在不同的电压等级电网的记录的电压骤降和断电的特征以及用户最常用设备的敏感性进行判别 ,找出可供推荐的解决方案 ;第二 ,宣传 EDF (法国电力公司 )在质量方面的标准化和政策 ;最后 ,形成与电压干扰有关的信息材料 (技术手册 )和研究 (软件 )工具。
5) voltage collapse
电压骤降
1.
Although chaos has been studied in electric power systems for only two decades, plenty of chaotic phenomena have been found in power systems, such as chaotic oscillation, bifurcation, voltage collapse, chaos in electric economy, etc.
混沌在电力系统的研究虽然只有近20年,但已有大量的混沌现象被研究,如机电系统混沌振荡,以及分叉、混沌与电压骤降,电力经济中的混沌,水轮发电机组调速系统中控制器参数诱发的混沌等。
2.
In this paper, a simple 3-bus power system model which includes a dynamic induction motor model is analyzed and simulated to study voltage collapse.
对于一种包含一个动态感应电动机模型的3总线电力系统模型进行了分析和仿真，研究了系统的电压骤降特性。
3.
It is shown that voltage collapse can be resulted from bifurcation and chaos phenomena that a system may experience under the influence of system.
仿真表明了该系统对初始条件的敏感性、内在的随机性等混沌运动的特征，以及因分支、混沌现象而导致的电压骤降现象。
6) voltage dip
电压骤降，低电压
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