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- The energy flow and compensating voltage control in DVR are analyzed. 对这类装置中能量流动和补偿电压控制问题进行了分析。
- The energy fl ow and compensating voltage control in DVR are analyzed. 对这类装置中能量流动和补偿电压控制问题进行了分析。
- Dynamic voltage restorer (DVR) is the most effective device for compensating voltage sags. 动态电压恢复器(DVR)是补偿电压凹陷最有效的装置,控制方式是其技术核心。
- It shows that impedance relay is a kind of relay based on the concept of measuring impedance and distance relay is a relay which is typical of compensating voltage. 说明了阻抗继电器是建立在测量阻抗概念上的一类继电器;距离继电器是建立在补偿电压特点基础上的一类继电器。
- Study on Series Compensating Voltage in DVR 动态电压调节器串联补偿电压研究
- In them, Dynamic Voltage Restorer (DVR) is a better device which can compensate voltage quality problems. 动态电压恢复器(Dynamic Voltage Restorer,简写为DVR)是其中一种能够解决电压质量问题的装置。
- Provided discussion and analysis for the control of IGBT, output of compensatory voltage and the control strategy of the whole DVR system. 然后对DVR进行电压补偿过程中涉及到的对功率管、补偿电压输出以及整个DVR系统等的控制策略进行了探讨和分析。
- The experiment results show that the controller can quickly detect sags and drive the power electronic circuit to generate compensation voltage. 实验结果证明该算法以及采用的控制器能够快速检测出电压波动量,并驱动功率电路实现电压的及时补偿。
- Two optimal reference compensation voltage control strategies are proposed to determine the series APF injections to meet different constraints with an optimal APF size. 两种以最佳化为基础之参考补偿电压策略可确定串联主动式滤波器的最佳注入以符合不同限制式并获得最佳滤容器容量。
- In order to enhance the dynamic performance of DVR and make it running more economically, this paper do research in voltage sag detection algorithm, control methods, as well as the calculation methods of compensation voltage of DVR. 为了提高DVR的动态性能,减少DVR的能量输出,提高DVR的经济性及综合性,本文对DVR的电压凹陷检测算法,DVR系统控制方法和DVR补偿电压计算方法展开了研究,主要的研究成果包括以下几个方面:
- Simulation based on cascaded DVR model shows that the proposed control method can eliminate voltage harmonics and compensate voltage sags quickly, and the results are satisfactory. 根据DVR数学模型进行仿真,结果表明分程控制算法具有良好的鲁棒性与实时性,能够快速消除电压谐波及凹陷。
- Its voltage has not been exceeded. 它的电压没有超过。
- PRINCIPLE INVESTIGATION AND SIMULATION OF DIRECTIONAL PROTECTION BASED ON FAULT COMPONENT OF COMPENSATING VOLTAGE 基于补偿电压故障分量的纵联方向保护原理与仿真研究
- This thesis proposes three reference compensation voltage control strategies to keep load voltage being sinusoidal and balance under the distorted and/or imbalanced source voltages. 本论文提出三种参考补偿电压演算策略,应用于失真或不平衡的电源电压之下仍能够维持三相负载电压平衡及纯正弦。
- Study on sound phase operating characteristic of directional protective relaying based on fault component compensating voltage 补偿电压突变量方向判别元件的健全相动作特性研究
- According to requirement of aim temperature to implement compen... 按目标温度要求,进行补偿措施,有效地控制钢水温度。
- Note the polarity of the voltage drop across R. 注意R上电压降的极性。
- Study on Distance Relay Based on Pre-Fault Compensated Voltage 以故障前补偿电压为基准量的距离继电器研究
- An inadequacy often calls forth compensating forces. 一种缺陷往往会产生补偿的力量。
- It is fed into the grid at this voltage. 它是以这种电压馈入电力网。