voltage dip

Determination of Super-Capacitor Critical Voltage in Voltage Dip Compensate System

电压暂降补偿系统中超级电容临界电压的确定

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Considering grid voltage dip as disturbance, the thesis proposed a rotor damping current control based on feed-forward structure.

从电网电压作为扰动的角度出发，提出一种基于前馈结构的转子电流阻尼控制方法。

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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）。

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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。

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Moreover, it is suggested that transient voltage stability and transient voltage dip acceptability be quantitatively assessed along the same trajectory. The more critical one between the two kinds of limits is regarded as the transient voltage security limit.

提出在同一次仿真过程中定量评估暂态电压稳定性和暂态电压跌落可接受性，把最临界的极限值作为系统的暂态电压安全极限。

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The simulation and analysis of the influence on speed sensorless direct torque control system of asynchronous motor caused by momentary voltage dip

电源电压骤降对异步电动机无速度传感器直接转矩控制系统影响的仿真分析

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It is more important to the voltage hollow and dip, also to the judgement and analysis of flash changing, such as brief interrupt.

本产品有硬件及软件二个部分，除了用于谐波分析、功率分析、波动闪变分析等暂态指标分析以外，特别是针对电压凹陷和跌落事件以及短时中断的瞬态分析。

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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。

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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。

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Voltage Dip and Suppression Technique

电压暂降及其抑制技术

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In voltage dip control, combining with the capacity of converters, appropriating to relax the DC side capacitor design margins, we can further improve the grid-side converter control performance under the voltage drip situation.

在电压跌落控制中，结合变流器的容量，适当放宽直流侧电容设计裕度，可以进一步完善网侧变流器的电压跌落控制。

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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。

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The calculation of maximum generator voltage dip for a practical application verifies its effectiveness and correctness.

通过实际工程中同步发电机端电压最大偏移的计算与比较，验证了该方法的有效性和正确性。

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Detection Methods of Voltage Dip in Power Systems

电力系统中电压暂降的检测方法

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Transient voltage security ensures the two-element for transient voltage stability and transient voltage dip.

暂态电压安全是保证暂态电压稳定和暂态电压跌落可接受性两个方面。

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Design and Process Point on Raising Isolation Voltage of Molded DIP Optocoupler

提高塑封双列直插式光耦合器绝缘耐压的设计和工艺要点

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Transient Stability Analysis of Power Systems by Direct Method Considering Transient Voltage Dip

考虑暂态电压跌落限制的直接法暂态稳定分析

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The superconducting fault current limiter ( SFCL) can limit current and realize to control the voltage dip in non-faulted line.

超导故障限流器可以在限流的同时实现控制非故障线路电压跌落的目的。

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The state-space equations have linear features, so use the superposition principle to see the voltage dip transient process as the two cases of the operational status of the steady state and reverse voltage.

该状态空间方程具有线性特性，因此可以利用叠加原理将电压跌落的瞬态过程看成是稳定运行状态和加反向电压的运行状态两种情况的叠加。

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In this paper, the voltage dip in marine power station caused by emergency load and some key factors of exciting system are discussed, some concerned expressions are also given.

在分析船舶电站突加负载引起电网电压跌落问题的基础上，给出了对船舶电站自动励磁调节装置有关参数的要求，并给出具体表达式。

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Voltage dip in power supply network

供电系统的电压下凹

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The prototype of 380V/ 100kVA DVR can satisfy the design specification by simulating voltage dip when system was fault.

通过仿真系统故障时电压跌落，了解380V／100kVA动态电压调节器样机能够满足设计要求。

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Voltage dip analysis with EEAC method

电力系统电压最大跌落的EEAC法分析

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To achieve this control strategy, a very important point is that, under the conditions of the voltage dip, can conrol the grid-side converter very good, to make the DC side voltage is stable within a certain range.

要实现此控制策略，很重要的一点就是在电网电压跌落条件下能够很好的对网侧变流器进行控制，使得直流侧电压稳定在一定范围内。

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