voltage sag的例句大全

The detection and location of the start point and end point of the voltage sag and swell is a key problem for the power quality monitoring.

对于短时低电压扰动发生、恢复时刻的检测与定位则是电能质量监测和统计中获取相关指标首先要解决的问题。

These voltage perturbations along with voltage sag can strongly degrade customer power quality.

这些电压扰动和电压降将严重影响用户端的电能质量。

The analysis results illustrate that characteristics of voltage sag is correspond to certain interference source.

仿真分析结果表明：电压暂降的电压波形特征是和特定的干扰源相联系的，因此，可以利用它来辨识电压暂降的干扰源。

Many methods have been brought forward to resolving this problem in the past., but few of them considering the source classification of voltage sag.

过去不少人提出了解决电压凹陷这个问题的方法，但这些方法只涉及电压凹陷的检测和确定范围问题，很少考虑到确定电压凹陷干扰源的分类。

Voltage sag caused by transformer energizing is solved by the proposed method.

利用所提的方法对投运空载变压器引起的电压暂降波形进行了分析，对电压暂降的起点定位非常准确。

A Novel Time Optimal Control for Single Phase Voltage Sag Compensators

单相电压跌落补偿系统的新型时间优化控制

Among those several representative short-term power quality disturbances are introduced particularly, and their characteristics are analyzed. They are: voltage sag, voltage swell and voltage interruption;

其中，对几种有代表性的短时电能质量扰动作了详尽而细致的描述，分析了它们的扰动特征，分别是：电压凹陷、电压凸起和电压中断；

First, the wavelet coefficients of basic frequency are extracted to identify the short duration disturbance like voltage sag, swell and interruption.

先提取基波频段所在的小波系数将电压凹陷、电压凸起和电压中断分别检测出来；

Voltage Sag Disturbance Detection Based on Short Time Fourier Transform

基于短时傅里叶变换的电压暂降扰动检测

Simulation results also show that the three-phase voltage sag simulator can be used to evaluate the effects of momentary voltage sag and short interruptions not only on industrial passive load, but also on industrial active load.

仿真结果还表明这种三相电压暂降故障模拟器不仅可以用于评估瞬间电源电压暂降和电压短时中断对工业无源负荷的影响，还可以用于评估工业有源负荷的影响，例如太阳能并网装置等。

As we know, many power quality problems are caused by the voltage sags. Three-phase voltage sag simulator is used as a tool to evaluate the effects of momentary voltage sag and voltage short interruptions on industrial load.

众所周知，很多电能质量问题是由电压暂降引起的，三相电压暂降故障模拟器被用来作为一种评估电源电压暂降和电压短时中断对用电设备影响的试验装置。

However, the coming substantive power electronic equipments, impactive and nonlinear loads in power system lead to a series of power quality problems, such as voltage sag, voltage swell, voltage fluctuation, harmonics, voltage notch, impulse, oscillation transient and so on.

但随之而来的各种电力电子设备、冲击性与非线性负荷的大量投入，导致供电质量出现电压暂降、电压暂升、电压波动、谐波、电压缺口、脉冲与振荡暂态干扰等一系列电能质量问题。

By applying it in power quality detection, simulation trials are done for voltage sag, voltage swell and voltage interruption including the harmonics in different order and so forth, respectively, in noise and color noise disturbance environments, the results show the effectiveness of the method.

将其应用在电能质量扰动检测中，对电压暂降、电压暂升、电压间断及各次谐波在白噪声和色噪声环境下进行仿真试验，结果证明了该方法是十分有效的。

Based on the obtained magnitude characteristic of the signal and the morphologic gradient of the differential signal, five kinds of dynamic power quality disturbances, i.e., voltage sag, voltage swell, voltage interruption, transient pulse and oscillation, can be classified.

基于已得到的幅值特性和形态梯度可对五种动态电能质量扰动（电压暂降、暂升、中断、暂态脉冲和振荡）进行分类。

The dynamic voltage restorer is designed as unilateral energy flow equipment which can compensate continuous voltage sag or swell resulted from the voltage drop of power cable.

动态电压恢复器采用单向馈能电路结构，可以在能量单向流动的情况下，实现对因电缆压降而产生的电压暂降或暂升的持续补偿。

Advance-Decline Line ( ADL) A momentary voltage dip that lasts for a few seconds or less is classified as a voltage sag.

股票价格涨跌线、升降线短时电压跌落持续几秒或更短可归属电压下跌。

This paper provides a new method for fast qualitatively detecting the disturbance sources, which is based on their statistical instantaneous characteristics. There are four examples imitated under MATLAB including harmonics, voltage sag, voltage swell, short-time transform of voltage dip.

提出一种基于检测点产生的瞬时负荷统计特性快速确认扰动源的方法，展示了该原理在谐波、电压凹陷、电压膨胀、瞬间电压降落四种扰动，在MATLAB下的仿真和计算结果。

This facility can be connected in series with power network to protect sense load from voltage pulsation especially voltage sag. This facility can compensate voltage dip to achieve normal value in milliseconds.

将该装置串联于电网络，用来保护敏感负荷免受电压波动尤其是电压凹陷的影响，该装置能在毫秒级内将电压跌落补偿至正常值。

Problems concerning voltage sag, disunity standards on sags characteristics and indices are generally introduced in the thesis.

本文首先简要介绍了电压骤降相关问题，对电压骤降中目前还没有统一的标准问题进行了分析；

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。