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- Software compensation for mains voltage fluctuation of welding machine based on DSP 基于DSP数字控制焊接电源的网压波动软件补偿法
- mains voltage fluctuation 电源电压波动
- Most house lighting runs at the full mains voltage of 240 volts. 大部分家用电灯在240伏特全电源电压时运行。
- 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?
- 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。
- The main contents of power energy include frequency deviation, voltage deviation, voltage fluctuation and flicker, voltage unbalance, temporary or transient over-voltage, wave distortion, voltage dips and interruption, power supply reliability and so on. 电能质量的内容包括频率偏差、电压偏差、电压波动与闪变、三相不平衡、暂时或瞬时过电压、波形畸变、电压暂降与短时中断以及供电连续性等。
- 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。
- The built-in battery ensures independence from a stationary power supply and avoids any injury risk by mains voltage. 内置的电池使测量仪不依赖固定电源工作,避免主电源电压对其伤害。
- 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。
- DOES THE VOLTAGE FLUCTUATE OR DROP OFF? 电压波动或消失?
- 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。
- Check if the voltage indicated on the base of the appliance corresponds to the local mains voltage before you connect the appliance to the power. 在将产品连接电源之前,检查电水壶底部所标电压与当地供电电压是否相符。
- 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。
- The operating value of earth leakage protection can be changed with the mains voltage,but the operating value of cables insulation resistance is held the line. 该设计可以根据电网电压的波动调整动作值,从而保证电缆绝缘电阻的动作值不变;
- 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。
- 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。