Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
She considers the current fluctuation span of plus or minus 0.5% appropriate for the time being, but said the central bank would not rule out widening that spread in the future.
胡认为，目前汇率波动在 0.5% 上下是合适的，但是不排除央行放宽这一限制的可能性。
By using the WKBJ method, the average of currents and square of the current are calculated, the results show the existence of the current fluctuation, which causes the noise in the circuits.
运用WKBJ方法计算了电流平均值和电流平方的平均值，计算结果表明电流涨落是存在的，它是介观电路中主要的量子噪声。
The design of the pantograph's active control system and the study of the simulation results reduce the fluctuation of the contact force theoretically and thus improve the current collecting quality.
通过受电弓主动控制系统的设计和对其的仿真研究，理论上降低了弓网系统接触压力的波动，从而改善了受流质量。
After SVC was put into operation, power quality problem caused by harmonic current, voltage fluctuation and flicker has been solved.
SVC投入运行后，对非线性负荷产生的谐波电流，电压波动及闪变等引起供电电能质量的问题起到了很好的治理效果。
The significant factors which exert an influence on instantaneous fluctuation of motor current are in sequence :Vari-speed wave form, vari-speed amplitude and vari-speed frequency.
在变速参数中影响电机瞬时电流波动最为显著的因素依次为变速波形、变速幅度和变速频率。
The result showed that the thermal fluctuation intensity of the resistance have a great influence on the current transient process.
计算结果表明，电阻的热涨落强度对电流的暂态过程有很大影响。
Using the circuits, the fluctuation of injection current is 10 -5 and the fluctuation of case temperature is better than 10 -4 under the room temperature.
使用该方式电路，室温下半导体激光二极管注入电流波动为10- 5，温度波动优于10- 4。
The gas bubble evolution introduces the periodic fluctuation of potential or current.
由于阳极气泡的析出，引起电极电位或电流的波动。
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 critical factor causing the arc length fluctuation to affect the input heat power to the anode proves to be the phenomenon of the current dispersion in plasma arc itself.
文中指出，弧长波动影响阳极输入热功率的重要因素是等离子电弧本身存在着电流分散现象。
Direct current control method is adopted to make the DSTATCOM produce compensated reactive current, so as to suppress voltage fluctuation and voltage flicker.
采用电流直接控制法，使DSTATCOM产生无功补偿电流，以此抑制电网电压波动与闪变。
So the properties of coating will be worse. The reason is that the larger fluctuation of current causes the larger nonuniformity in the size, temperature and distribution of spraying particles.
文中从理论上对电流波动影响涂层性能的机理进行了分析，认为电流波动造成电弧喷涂雾化粒子尺寸、温度、空间分布等不均是造成涂层综合性能不高的主要原因。
Then, the effects of current sensor measurement error and non-sinusoidal magnetic field distribution on motor torque fluctuation are theoretically investigated.
然后从理论上研究了电流传感器测量误差和非正弦磁场分布对永磁同步电机转矩波动的影响。
The feed forward of network voltage and output current is proposed to decrease the impaction of voltage fluctuation on the performance of active power filter.
针对电网电压波动对有源滤波器的影响进行了详细的分析，提出了通过电网电压和输出电流前馈的方法对其扰动进行抑制。
The theoretical analysis and experimental results demonstrate that the motor current has some fluctuation in vari-speed cutting process, but it is almost no effect on normal operation of machine tool.
理论分析和试验结果表明，采用变速切削加工时，电机瞬时电流确有一定程度的波动，但不影响机床电机的正常使用；
The fluctuation of current is larger than that of voltage in arc spray process. So the fluctuation of current is of importance to the quality of coatings and the stability of arc spray process.
由于喷涂过程中电压的波动范围不大，而电流的波动范围较大，因此喷涂电流的波动对电弧喷涂过程的稳定性及涂层质量的影响更为突出。
The quantum fluctuation of the voltage and current are calculated.
在此基础上获得各支路中电流和电压的量子涨落。
Finally we find that the-effective critical current of RF-SQUID loop is greatly reduced by large fluctuation and the transition width can be determined with a simple equation.
结果表明：大的热涨落使RF - SQUID环路有效临界电流明显下降，从而使跃迁点大大提前，跃迁宽度满足一个普适表达式。
Furthermore, with the increase of air gap spacing, the transition from the homogeneous to filamentary discharge is related to the fluctuation of discharge current.
随着空气间隙距离的增加，均匀放电向丝状放电的转化与电流脉冲波动相关。
Interest is the opportunity cost of current consumption and future income of savings. Savings behaviors are affected by the fluctuation of interest rate.
利息是当前消费的机会成本，是储蓄的未来收入，储蓄行为受利率变动的影响。
The current status of refractories of Henan province is introduced, causes of quality fluctuation are analyzed, measures and proposal to further improve refractory quality are offered.
介绍了河南省耐火材料质量现状，分析了产生质量波动的原因，提出了进一步提高耐火材料质量的措施和建议。
And some indexes of power quality: voltage deviation, real power, reactive power, harmonic content, voltage fluctuation and unbalanced three-phase voltage and current, are discussed at length.
同时本文对电能质量的有关指标：电压偏差、频率偏差、各种功率、谐波含量、电压波动和三相不平衡的计算和检测方法，进行了详尽地阐述。
Field experiments on fluctuation velocities were carried out at the section Huanglingmiao of stem stream of Yangtze River with an Acoustic Doppler Current Profile (ADCP).
采用多谱勒三相流速仪，在长江干流黄陵庙水文观测断面进行脉动流速观测，获得了不同流量级、不同垂线的脉动流速资料。
And the thesis expounds detection methods of current voltage fluctuation in the principle, characteristic, application scope, and analyzes present calculation technology and deficiency;
论述了现有波动电压检测方法的原理、特点、适用范围，分析了现有闪变值的计算方法及其不足；
The fluctuation of current is larger than that of voltage in arc spray process.
实验发现亚稳态电流波动峰具有快速上升、缓慢下降的特点。
It found that adoption of energy storage flywheel structure could improve the current operation situation and make the periodic speed fluctuation tend to be balanceable and homogeneous.
采用储能式飞轮结构能改善目前的运行状况，使周期性速度波动趋于平衡均匀；
The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.
三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。
The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.
三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。
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