As one of the most important part of power quality, voltage sag has been paid great attention all over the world, especially in the industrialized countries.
电力市场的发展把电压瞬间跌落作为电能质量的重要指标提出更加严格的限制。
The voltage sag, one of the most important dynamic power quality disturbances, may cause the misoperation of an electric power system s sensitive loads and cost a lot of money.
作为现代电能质量的重要部分，电压瞬间跌落产生的危害日益严重。
SMT solder joint reliability issues caused by drop impact are received more and more attention in recent years.
针对在跌落碰撞条件下便携式电子产品中SMT连接焊点的可靠性问题,对该领域相关的理论和实验研究成果进行了综述。
By using the Laplace transformation and Simulink, the dynamic characteristics of product under a varies of inputs and drop process are analyzed.
建立了缓冲包装系统的动力学模型，列写了系统在振动、冲击状态下的微分方程，在对微分方程进行拉民变换的基础上，讨论了运用Simulink动态仿真工具来仿真包装件在多种激励下及跌落过程中的动态特性。
The results showed that the damage boundary differs as the orientation changes,and even when the cookies are dropped in the same orientation,the damage rate is not identical.
结果表明,饼干不同方位的破损边界曲线都不相同,且同一方位的跌落下,不同破损率破损边界曲线也不相同。
The correlative factors and nursing of cancer patients tumbles during hospitalization;
癌症患者住院期间跌倒的相关因素及护理
Study on Inpatient Tumble From Medical Safety View;
基于医疗安全角度的住院患者跌倒研究
Nursing Intervention for the Prevention of Tumble of the Senile Hospitalized Patients;
预防老年住院患者跌倒的护理干预
Research of Power Voltage Decline Abruptly in Digital Circuits
数字电路中电源电压瞬间跌落的研究
Control strategy of two-stage matrix converter under input voltages sag
电压瞬时跌落时双级矩阵变换器的控制策略
In three model systems of different net structure, characteristic of FCL affecting to voltage sags due to short fault is analyzed by simulation.
对故障限流器在系统发生短路故障瞬间的电压跌落问题进行了分析。
Voltage sag and Momentary Outages Protection.
电压降落与瞬间停电的保护
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
A momentary voltage dip that lasts for a few seconds or less is classified as a voltage sag.
短时电压跌落持续几秒或更短可归属电压下跌。
Nearly 90% of all power quality problems are voltage sags and momentary outages.
在所有的电力质量问题中,几乎90%为电压降落与瞬间停电。
The Research on Voltage Sag s Restraint Technology in Power System;
电力系统中抑制电压跌落技术的研究
Research on Compensation Technique of Current Harmonic and Voltage Sag in UPQC
UPQC电流谐波与电压跌落补偿技术研究
Voltage sag generator for wind power generation system
一种用于风力发电的电压跌落发生器
Study on the Detection Method and Control Technology of Voltage Sag;
电压跌落检测方法与控制技术的研究
Application of Dynamic Voltage Restorer (DVR) in Voltage Sags
应用动态电压恢复器解决电压跌落问题
Voltage sag treatment for low voltage distribution networks based on LDVR
基于LDVR的低压配电网电压跌落治理研究
Simulation and Verification of DFIG Wind Turbine to Grid Voltage Sags
电网电压跌落时风电机组运行仿真与实证分析
The Application of New High-pressure Drop Fuse in the Distribution Transformer
新型高压跌落式熔断器在配电变压器中的应用
Between sampling instants there is no registration of the voltage.
在取样瞬间之间，没有电压的读数。
Development of a Novel Voltage Sag Generator for Wind Power System
一种新型风力发电用电压跌落发生器的研制
The voltage sags state estimation observability analysis in complicated distribution systems
复杂配电系统电压跌落状态估计可观性分析