Reasonable matching of wafer and wire: the advanced matching of wafer improves average voltage in electric field and current density of wafer corona, which the dedusting efficiency is higher. 板线匹配更合理。先进的板匹配,有效地提高了电场平均电压和板电晕电流密度,收尘效率更高。
Research of gap average voltage measuring method in micro-EDM 微细电火花加工间隙平均电压检测方法理论研究
Three-potential Equivalent Average Voltage Vector PWM Variable Frequency Speed Regulation Principle 电压矢量等效三电平PWM变频调速原理
The main reasons of the battery capacity degradation are analyzed. Battery electrolyte concentration is too high, and the charge upper limited voltage ( includes float charge and average charge voltage) is too low, these cause the sulphation. 分析了由于该类型号电池电液浓度过高,加之充电(包括浮充和均充电压)上限电压过低而导致电池的硫酸化,是电池容量锐减的主要原因之一;
Thereinto, Cr_2O_3 is more fitting for its high electrochemical activity and low average working voltage. 其中,Cr2O3既具有较高的电化学活性,又具有较低的平均工作电压,因此是较适合的锂离子电池负极材料。
There are some inventive attempts to measure voltage and frequence synchronously and obtain average alternate voltage through dual-slope convenor in the integral times of input signal period. 其在电压与频率的同步测量、双积分整周期测量交流信号电压平均值等问题都提出了一些有创意的解决方法。
This text is to take commutate circuit as an example, enumerating a few different circuits, deducing an expression about valid voltage, valid current and efficacy power, average voltage, average current and power, their physics meaning is explained. 本文以整流电路为例,列举了几个不同的电路,详细地推导出计算有效电压、电流和有功功率,平均电压、电流及功率的正确表达式,并说明了他们的物理意义。
Taking account of different operating conditions, the buses with big average voltage deviation are selected as compensation sites according to the principle of reactive power compensation on site after small disturbance occurs. 该方法根据就地无功补偿原则,兼顾系统不同运行方式,将系统发生无功小扰动之后,平均电压偏离较大的负荷节点作为补偿地点。
The practice proves that it could improve characteristic of dynamic average voltage for multi-thyristors in series and ensure the native fast thyristors 'stabilization which is applied in medium frequency power supply. 实践证明,该技术可改善多个串联快速晶闸管的动态均压特性,能有效地保证国产快速晶闸管在中频电源中的稳定运行。
Average gap voltage is one of most important parameters of servo-control in Electro-Discharge Machining ( EDM). 在电火花加工中,间隙平均电压是伺服控制的重要依据。
Test results indicated that the average flashover voltage is reduced with the hoist of altitude, the increase of ice amount and the rise of pollutant. 试验结果表明:覆冰状态对其闪络电压的极性效应有影响,且无论在正极性还是负极性,其平均冰闪电压随着海拔升高、覆冰量的增加以及覆冰水电导率的增加而降低。
Based on analyzing traditional gap investigation methods, a new investigation, digital average gap voltage during pulse width is presented. 在分析传统的间隙检测方法的基础上,提出了一种新型的间隙检测方法&间隙脉宽电压数字平均法。
And two basic methods for regulating motor speed are proposed based on this equation. That is to adjust the energizing angle and the average voltage of phase winding. 根据机械特性方程式提出SR电机两种基本调速方法,即调节相绕组的通电角和调节相绕组的平均电压。
To real time control the average output voltage in sine order in digital cycle-converter, the triggering delay angle of each thyristor have to be modulated. 在数控式AC/AC变频器中,为使其平均输出电压按正弦规律变化,必须对各组晶闸管的触发延迟角进行调制。
In this thesis the inverter control method is dual loop on voltage and inductor-current feedback with an outer average voltage loop. 本文首先探讨了逆变器控制采用电压电流双环控制的设计方法。
The longer the storage life, the greater the reversible special capacity loss of LiMn 2O 4, and the lower the average voltage. 贮存时间越长,LiMn2O4的可逆容量损失越大,平均放电电压越低;
Controlling the DC capacitor average voltage and fluctuant voltage at an adequate value is an important factor which guarantees the excellent compensation characteristics of shunt active filter ( APF). 控制逆变器直流电容的平均电压与电压波动为适当值是保证并联型电力有源滤波器具有良好补偿性能的一个重要因素。
An average voltage modulation strategy is proposed for three-phase to single-phase matrix converter, which is used to realize sinusoidal output with three-phase input voltages detection and simple calculation. 针对三相/单相矩阵式变换器系统,提出一种平均电压脉宽调制方法,通过实时检测三相输入相电压,经过简单计算即可对输出进行正弦调制。
Analysis of HV Electrostatic Precipitation Rectifier Transformer and Its Output No-Load DC Average Voltage Boost 高压静电除尘整流变压器及其输出空载直流平均电压飙升的浅析
Furthermore, the effects of the high voltage probability density are the biggest, the effects of high current probability density comes next, whereas the effects of average voltage and the coefficient of variation of voltage is relatively small. 其中大电压概率密度和对飞溅率的影响最大,大电流概率密度和的影响次之;而平均电压和电压变异系数对飞溅率的影响相对来说较小。
During different conditions, the paper analyzes three common methods which are the spark rate control, the highest average voltage control and the spark intensity control. 针对不同工况,本文分析了按火花率控制、按最高平均电压控制、按火花强度的二折线控制三种常用的控制方式。
More energy saving research works have been done to reduce the energy consumption of aluminium electrolysis by decreasing average voltage and increasing current efficiency. 很多学者从降低平均槽电压和提高电流效率角度对铝电解节能降耗做了深入的研究。
The average detection circuit was designed, it changed the high-frequency pulse voltage signal in the gap into a average voltage signal, this signal was transmit to the computer after sampling by the MCU, and the computer judge the gap state by the average voltage. 设计了平均电压检测电路,将间隙的高频脉冲电压信号转换成平均电压信号,电压平均值经过单片机采样后传送到上位机中,上位机根据电压平均值判断间隙状态。
The average discharge voltage of the battery was about 3.9V. The rate discharge performance was satisfactory. 该电池平均放电电压为3.9V,倍率充放电性能良好。
Experiments prove that the system can control the current waveforms and average arc voltage precisely. The study helps to establish a solid foundation for subsequent complex research and expert system. 实验表明,该系统能够实现精确的电流波形控制和弧压闭环控制,为后续复杂的工艺研究和专家库的建立打下了坚实的基础。
Based on established crystal structure model of electrode materials, average voltage of lithium ion battery and thermodynamic properties of the cathode and anode materials were predicted by using the first principles. 构建了锂离子电池体系中电极材料的晶体结构模型,应用第一性原理预测了电池的平均电压及正、负极材料的热力学性质,对于电池结构设计的优化及安全性能的提高具有非常重要的意义。
Basing on analysis of the influence of dead-time effect on torque fluctuations, the current distortion caused by dead time effect is reduced through reasonably predicting the sectors where the stator current vector lies and compensating average error voltage. 分析死区效应对力矩波动的影响,通过合理判断定子电流矢量所在扇区补偿平均误差电压,从而减小死区效应引起的电流畸变。