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- voltage fluctuation rate 电压波动率
- What is voltage fluctuation? How is it different from voltage variation? 什麽是电压波动?它与电压变化有什麽不同?
- Exhibitors with very sensitive equipment are advised to bring their own stabilizer to cater for voltage fluctuation. 参展商如使用较敏感的仪器,请自备稳定器以作电压变动之用。
- Cost price、nowday value、time、fluctuation rate、un- venture gainings rate are impact factors to real assets. 投资成本、当前价值、到期期限、波动率、无风险收益率等是创业投资实物资产的影响因素。
- Voltage fluctuation bandwidth is between 0 and 35 Hz, with a perceptibility maximum around 8.8Hz. 此现象称为闪变。电压波动的频率为0-35hz;而可察觉的最大值为8.;8hz。
- The most important issue of restraining and supervising the voltage fluctuation and flicker is to track the signal. 对电压波动和闪变进行有效监视与管理,首要任务是要准确提取电压波动信号。
- DOES THE VOLTAGE FLUCTUATE OR DROP OFF? 电压波动或消失?
- The gear form of internal gearing cycloidal gear pump has important influence on machining and characteristics of pump,such as flow rate,fluctuation rate and noise etc. 内啮合摆线转子齿轮油泵的齿形对泵的加工、性能(如:流量、脉动、噪声)等有很大的影响。
- Based on Fuzzy control, this paper studies and designs TSC-SVC controller to eliminate the voltage fluctuation and flicker. 本文研究并设计了基于模糊控制的TSC型动态无功补偿控制器,抑制快速波动性负荷造成的电压波动和闪变。
- In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation. 在电子技术中,把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的,使它的噪声及电压波动都很小。
- In electronics,a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation. 在电子技术中,把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的,使它的噪声及电压波动都很小。
- The voltage fluctuation introduced the glitter of lighting (the light flickering), and this glitter is called flicker which causes much uneasiness to daily work and life. 由电网电压波动引起的照明灯光闪烁现象 ,即闪变 ,给人们的日常工作和生活带来了许多不便。
- Secondly, the rate of wood drying under vacuum-floating increases coupled with the temperature of medium, the reduction of absolute pressure, and the raise of fluctuation rate of frequency. 木材的浮压干燥速率随着干燥介质温度的增加、绝对压力的减小和浮动频率的加大而增加。
- Dynamic Voltage Restorer (DVR) is a new type of power quality regulating device by which the influence of voltage fluctuation on sensitive loads can be effectively suppressed. 动态电压恢复器是一种新型电能质量调节装置,它能有效抑制电网电压波动对敏感负载的影响。
- The controlling system has many work patterns,such as manual,semiautomatic,and automatic,and can compensate for the effect of voltage fluctuation to welding current. 控制系统具有手动、半自动、全自动等工作方式，可自动补偿网压波动对焊接电流的影响。
- The present invention can satisfy demand of various users with simple structure, low cost, little low-voltage voltage fluctuation and high insulation reliability. 本发明不仅结构简单、成本低廉，而且低压电压波动小，绝缘可靠性高，能够满足各种用户的要求。
- The concept of power quality includes the quality of the supplying voltage with respect to, for instance, voltage sag, imbalance, harmonic distortion, voltage fluctuation and flicker, etc. 质量包括电源电压的质量的能力的概念与有关，例如，电压下跌，不平衡，谐波失真，电压波动并且摇曳，等等
- At this rate we won't be able to afford a holiday. 照这样下去，我们不会有时间／钱去度假的。
- To reduce the active power and DC voltage fluctuation and accelerate tracking speed during system start, this paper proposes a new strategy setting reactive power reference based on the error between the instantaneous active power and its reference. 为了抑制电压型PWM整流器直接功率控制中的有功功率、直流电压波动,加快系统的跟踪速度,提出了根据有功功率瞬时值与有功功率给定的差值设定无功功率给定值的新策略。 当有功功率瞬时值与有功功率给定的差值小于给定临界值时,无功功率给定值为零;
- A Dynamic Voltage Restorer (DVR) is connected in series with the network. The main function of a DVR is the protection of sensitive loads from influence of the voltage fluctuation, especially voltage sag. 动态电压恢复器DVR(Dynamic Voltage Restorer)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。
