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- Luminaire shall only be used with rated voltage and frequency. 灯具应该在额定功率和频率下使用。
- The luminaire shall only be used with rated voltage and frequency. 此灯具仅仅在额定电压和频率上使用。
- drive voltage and frequency 激励电压与频率
- Please look at the readings of voltage and frequency on the main switchboard to see if they are normal. 请你看看主配电板上电压、频率的数值是准确。
- At first, the generator to be set at 75% load (p.f = 1.0) and adjusted to the rated voltage and frequency. 先将发电机加载至75%25负荷（功率因数=1.;0），然后将电压、频率调至额定值。
- Power conditioning is used to minimize voltage and frequency variations in an external power. 电源调节用来最小化外部电源的电压变化和频率变化。
- The frequency changer set is adopted to providing test power, which regulates the electric voltage and frequency. 通过采用变频机组提供试验电源，实现电源电压与频率的调节。
- Automatic governing test of voltage and frequency for main generator (emergency generator). 主发电机(应急发电机)电压、频率自动调节试验。
- Telemeter the input/output voltage and frequency of UPS,load,battery capacity which will be shown appropriately on PC machine. 遥测UPS的输入、输出电压和频率、负载大小、电池容量，并适时显示在PC机上。
- The optics characteristics of TN-PDLC mode were superior to others.It has lower threshold voltage and driving voltage. 我们发现在高分子分散的情况下，TN-PDLC的模式无论在穿透、对比与反射等光学特性上都优于其它两者，并且具有较低的阀电压与驱动电压。
- Results were presented showing the effect of current and frepuency on the shape of meniscus and the effect of voltage and frequency on the current. 考察了电压和频率对系统电流的影响规律。
- Voltage and frequency generated by synchronous generator vary along with the wind variation, so the power must be dealt with before it is applied to grid. 同步直驱风力发电系统的定子电压和频率随风速的变化而变化,需要经过一系列控制电路的调整才能并网。
- Interference sources of electromagnetic flow meter mainly include electromagnetic interference, electrochemistry noise and power source voltage and frequency fluctuations. 电磁流量计的干扰源主要包括工频电磁干扰、流体电化学干扰噪声和电源干扰噪声。
- This paper deals with the designing of driving voltage and current for IGBT,points out the problems that should be paid attention to in the protection of IGBT. 本文论述了IGBT的栅驱动电压和栅电流的设计，指出了对IGBT施加保护时要注意的问题。
- The kw, voltage and frequency deviation to be measured and recorded when the load is changed in the following order without adjusting the governor control switch and VR notch. 锁定频率调节开关和电压调节开关，按下列顺序调节发电机负荷，测量并记录功率、电压和频率同额定值的偏差值。
- Finally the flexible PDLC films provided with low-threshold voltage, low saturation driving voltage and high contrast radio are prepared by optimizing the thickness of films and monomer concentration. 通过优化不同膜厚和单体的含量，制备出了具有低阈值电压、低饱和驱动电压、较高对比度的柔性PDLC膜。
- In this thesis, ac-to-dc and dc-to-ac power converters are proposed to convert the three-phase varying voltage and frequency PMSG power to single-phase source with constant voltage and frequency. 本系统采用交流-直流-交流功率转换器，将风力发电所产生之变动电压及频率转换为固定电压及频率之单相电源。
- Again, looking at some numbers, Blackfin processors run at a range of voltage and frequencies. [预览] 随着通信技术的飞速发展，光纤通信技术已成为通信的重要手段。
- The voltage and frequency fluctuating would be brought by the randomicity of wind speed and wind direction.How to minish so as to eliminate the fluctuation is an important research task. 风速、风向的随机波动性会使风力发电机组的输出电压、频率产生波动,如何减小以致消除这一波动是现代大型风力发电技术的一个重要研究课题。
- A novel hysteresis PWM digital-analog control of inverter power supply in the DSP environment is researched and the programmable change of output voltage and frequency is realized. 分析了带滤波电感电流内环的电压瞬时值反馈控制系统,研究了一种在DSP环境下的逆变电源滞环PWM数模控制方法,实现了输出电压和频率的可编程变化。
