• One of the major interference to threaten the power quality is the voltage sag.

    威胁电能质量主要干扰之一便是电压跌落

    dict.cnki.net

  • Expatiated on the principle of SPWM typed DVR compensating voltage sag amply then.

    接着对SPWMDVR补偿电压跌落原理进行了详细的推导。

    dict.cnki.net

  • Research on a new method of voltage sag measure and voltage compensation strategies.

    一种新的电压凹陷检测及其补偿控制策略研究

    danci.911cha.com

  • Monitor of the voltage sag is a direct way to obtain the information of voltage sag.

    电压跌落进行监测获得电压跌落信息直接途径

    dict.cnki.net

  • Finally, reasonable Suggestions of industry standard about voltage sag are proposed.

    最后提出了关于电压骤降行业标准建议

    www.fabiao.net

  • A method to determine the origin of voltage sag disturbance is proposed in this paper.

    本文提出方法确定原产地电压跌落扰动

    www.zl50.com

  • It is pointed out that the main aspect of electric power quality problem is voltage sag.

    指出电压现代电能质量主要问题

    dict.cnki.net

  • This thesis put up a new definition of voltage sag, which confirm the duration precisely.

    定义电压凹陷起止时间新的界定。

    www.fabiao.net

  • A momentary voltage DIP that lasts for a few seconds or less is classified as a voltage sag.

    短时电压跌落持续更短归属电压下跌。

    dict.ebigear.com

  • And the method can be easily used to estimate other sensing elements affected by voltage sag.

    方法容易推广其他敏感元件

    www.dictall.com

  • I also am curious about how voltage sag when the battery is under a 2.8 amp load affects the battery.

    好奇如何电池电压骤降2.8安培负荷是影响电池。

    www.songzhige.com

  • Dynamic voltage Restorer (DVR) is considered as the most effective device to compensate the voltage sag.

    动态电压恢复器(DVR)目前补偿电压凹陷最为有效装置

    dict.cnki.net

  • It could dynamically detect voltage sag characteristics including sag amplitude, sag duration and phase jump.

    方法可以实现对单相电压凹陷幅值起止时刻相位跳变特征量的动态检测

    dict.cnki.net

  • Absrtact: Proposes a new voltage sag detection method based on an improved synchronous reference frame transform.

    摘要提出一种新的基于改进同步坐标变换电压凹陷检测方法

    www.xactad.org

  • The energy stored in DC capacitor decides the compensation performance of DVR(Dynamic Voltage Restorer) on voltage sag.

    直流电容器所存储能量大小直接决定动态电压恢复器DVR电压跌落补偿能力。

    dict.cnki.net

  • For the operation of dynamic voltage restorer, fast and exact detection of voltage sag characteristics is very important.

    快速准确地检测出系统电压跌落特征动态电压恢复器运行的前提条件。

    www.boshuo.net

  • So this paper mostly studies the algorithm of detecting voltage sag, voltage fluctuation and flicker in power quality problems.

    因此论文确定将电能质量问题中的电压跌落和电压波动闪变现象作为主要研究对象。

    dict.cnki.net

  • Aiming at the problem of voltage sag real-time detection, the time-varying Kalman filter with compensation component is presented.

    针对电压凹陷实时检测问题提出了补偿分量时变卡尔曼滤波

    www.dictall.com

  • The experiment of researching character of the transducer during voltage sag is carried through, which shows the application value.

    最后变频器经受电压凹陷特性研究示例说明装置的应用价值。

    www.fabiao.net

  • This paper elaborates the main hazards of voltage sag as well as the solutions based on an instance of certain airport engineering.

    通过机场工程实例详细阐述电压骤降主要危害及治理对策

    www.jzdq.net.cn

  • Voltage sag, as one of the important aspect of power quality, its research is just underway in our country, which has no criterion related.

    作为电能质量中的一个重要方面——电压凹陷,我国研究刚刚起步,至今没有相应的国家标准

    www.fabiao.net

  • 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.

    对于短时电压扰动发生、恢复时刻检测定位电能质量监测统计中获取相关指标首先要解决的问题

    d.wanfangdata.com.cn

  • During the voltage sag, the reference values are replaced by those which are calculated from the actual values according to the forecast algorithm.

    电压扰动期间使用递推算法计算每一时刻参考电压。

    dict.cnki.net

  • The precise decision of the time that the voltage sag occurs and recovers will be the first problem to be solve for the sag characteristic parameters.

    电压跌落发生恢复时间精确确定获得跌落特性参数首先解决问题

    dict.cnki.net

  • 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电压跌落、骤升、短时断电等现象经常发生,用户带来了很大损失

    dict.cnki.net

  • This paper puts forward the assessment on the real-time operation state of the specific equipment while voltage sag happens based on the energy impact on users.

    电网构成存在缺陷、电压凹陷严重影响电力用户生产生活需要准确地衡量用电设备受影响状况以及电网用户的经济损失。

    dict.cnki.net

  • With the wide application of sensitive power electronic devices in industry, the power quality disturbance problems such as voltage sag and swell become more concerned.

    随着各种敏感电力电子设备工业中的广泛应用诸如短时电压、短时过电压等电能质量扰动问题已成为近年来各方面关注的焦点。

    d.wanfangdata.com.cn

  • Voltage sag is a crucial power quality problem. Due to the unbalance fault present in occurrence of sags, it is more complicated to deal with the unbalanced voltage sag.

    电压降作为一种电能质量问题由于对称故障存在,使处理对称电压变得复杂

    www.apshe.cn

  • Voltage sag is a crucial power quality problem. Due to the unbalance fault present in occurrence of sags, it is more complicated to deal with the unbalanced voltage sag.

    电压降作为一种电能质量问题由于对称故障存在,使处理对称电压变得复杂

    www.apshe.cn

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